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Sony KD-43X720E Service Manual

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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE MANUAL (UNIQUE)
GN3UN
CHASSIS
Segment: KC - America
Version
Date
Subject
st
1
05/2017 1
Issue
2
06/2017 Add 49in , 55in and 65in model information
LCD TV
9-888-733-A2
For SM - Common , please refer :
9-888-733-0X

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Summary of Contents for Sony KD-43X720E

  • Page 1 HISTORY INFORMATION FOR THE FOLLOWING MANUAL: SERVICE MANUAL (UNIQUE) GN3UN CHASSIS Segment: KC - America Version Date Subject 05/2017 1 Issue 06/2017 Add 49in , 55in and 65in model information LCD TV 9-888-733-A2 For SM - Common , please refer : 9-888-733-0X...
  • Page 2 SERVICE MANUAL (UNIQUE) GN3UN CHASSIS Segment: KC - America LCD TV...
  • Page 3 MODEL LIST MODEL REMOTE DESTINATION MODEL REMOTE DESTINATION KD-43X720E RMT-TX300U UC2, LA1 KD-55X700E RMT-TX300U KD-43X727E RMT-TX300B KD-55X705E RMT-TX300B KD-55X706E RMT-TX300B KD-55X720E RMT-TX300U UC2, LA1 KD-49X700E RMT-TX300U KD-55X725E RMT-TX300B AR4 , ECU, LA8, KD-49X705E RMT-TX300B KD-55X727E RMT-TX300B KD-49X706E RMT-TX300U KD-49X720E RMT-TX300U...

  • Page 4: Table Of Contents

    TABLE OF CONTENTS Section Title Page 1. SAFETY NOTES 1-1. How to Remove Rear Cover ..………………………...….. 2. DIAGRAMS 2-1. Circuit Board Location…..……………………...…………….. 2-2. Wire Dressing…………………………………………………. 3. DISASSEMBLY, EXPLODED VIEWS AND OTHER PARTS 3-1. KD-43X7*E………….…………………………………………. 3-2. KD-49X7*E ……………………………………………….…… 3-3. KD-55X7*E ……………………………………………….…… 3-4.
  • Page 5 SECTION 1 DISSASSEMBLY AND REMOVAL CAUTION Rear Cover Disassemble Method & Caution Notes For EU model only Dummy card dismantle guide (before removing Rear Cover (RC))  After repairing complete, please insert back Dummy Card 65” 43” , 49” 55” Pull out Dummy Card...
  • Page 6 43” , 49” 55” Step2 : Take out the rear cover Step1 : Ensure all screws are removed. Screw type and quantity to dissemble RC Reference 43” 49” 55” Remarks 4-167-019-22 SCREW, +PSW M3X8 7-685-647-79 SCREW +BVTP 3X10 TYPE2 IT-3 *Rear cover can be dissembled without detach stand *Removed AC COVER and AC CORD –...
  • Page 7 Step2 : Take out the rear cover Step1 : Ensure all screws are removed. 65” Screw type and quantity to dissemble RC Reference 65” Remarks 4-579-926-01 SCREW, M3X3.0 STEP 7-685-647-79 SCREW +BVTP 3X10 TYPE2 IT-3 4-268-126-02 SCREW, ORNAMENTAL M6X12 *Rear cover can be dissembled without detach stand *Removed AC COVER and AC CORD –...
  • Page 8 Sharp Edge Information Caution point: Caution point: Sharp edge corner Sharp edge area Please wear glove while removing rear cover to avoid Please wear glove while removing rear cover to avoid sharp edge at bottom area as shown in figure below. sharp edge at bottom area as shown in figure below.
  • Page 9 Disassemble Smart Core From Set 2. Remove harness Remove screw in red box Smart Core Structure COVER, LIGHT, GUIDE PANEL, ORNAMENT FRONT VIEW H board CASE, BOTTOM BACK VIEW...
  • Page 10 Disassemble Cover Top ② ① Disassemble Guide Light Pull up the cover top by the following order Pull up Pull out with index finger Disassemble H Board Hold this area and pick up H board Disassemble Panel Ornament Pick up Panel Ornament...

  • Page 11: Diagrams

    SECTION 2 DIAGRAMS 2-1.CIRCUIT BOARD LOCATION 2-1-1. 43” 2-2-2. 49” SWITCH UNIT SWITCH UNIT LD1 BOARD UNIVERSAL SIL-TU CARD, WIRELESS LAN BB8 BOARD LD1 BOARD UNIVERSAL SIL-TU CARD, WIRELESS LAN BB8 BOARD 2-1-3. 55” 2-2-4. 65” SWITCH UNIT LD1 BOARD UNIVERSAL SIL-TU SWITCH CARD, WIRELESS LAN...

  • Page 12: Wire Dressing

    2-2. Wire Dressing UNIVERSAL SIL-TU INFORMATION UNIVERSAL SIL-TU INFORMATION 1 UNIVERSAL SIL-TU INFORMATION 2 UNIVERSAL SIL-TU INFORMATION 3...
  • Page 13 2-2. Wire Dressing UNIVERSAL SIL-TU INFORMATION 4 UNIVERSAL SIL-TU INFORMATION 5 UNIVERSAL SIL-TU INFORMATION 6 UNIVERSAL SIL-TU INFORMATION 7...
  • Page 14 2-2. Wire Dressing UNIVERSAL SIL-TU INFORMATION 8 UNIVERSAL SIL-TU INFORMATION 9 UNIVERSAL SIL-TU INFORMATION 10 UNIVERSAL SIL-TU INFORMATION 11...
  • Page 15 2-2. Wire Dressing UNIVERSAL SIL-TU INFORMATION 13 UNIVERSAL SIL-TU INFORMATION 12 INSERT CONNECTOR (65’ ONLY) INSERT CONNECTOR ( 43” 49” 55” )
  • Page 16 2-2. Wire Dressing FLEXIBLE FLAT CABLE 51P INSERT CONNECTOR INFORMATION INSERT CONNECTOR...
  • Page 17 2-2. Wire Dressing INSERT CONNECTOR INFORMATION 1 INSERT CONNECTOR INFORMATION 2 INSERT CONNECTOR INFORMATION 3...
  • Page 18 2-2. Wire Dressing INSERT CONNECTOR INSERT CONNECTOR INFORMATION TAPE...
  • Page 19 2-2. Wire Dressing INSERT CONNECTOR CONNECTOR ASSY 30P WIRE DRESSING INSERT CONNECTOR...
  • Page 20 2-2. Wire Dressing FLEXIBLE FLAT CABLE 5P INSERT CONNECTOR INFORMATION INSERT CONNECTOR INSERT CONNECTOR INFORMATION...
  • Page 21 2-2. Wire Dressing INSERT CONNECTOR TAPE (43” only) TAPE (43” only)
  • Page 22 2-2. Wire Dressing HARNESS ASSY INSERT CONNECTOR INSERT CONNECTOR...
  • Page 23 2-2. Wire Dressing (43” only) WIRE DRESSING WIRE DRESSING WIRE DRESSING...
  • Page 24 2-2. Wire Dressing (49” only) WIRE DRESSING WIRE DRESSING WIRE DRESSING...
  • Page 25 2-2. Wire Dressing INSERT CONNECTOR INSERT CONNECTOR TAPE (43” only) TAPE (43” only)
  • Page 26 2-2. Wire Dressing TAPE (43” only) TAPE (43” only) TAPE (49” only) TAPE (49” only)
  • Page 27 2-2. Wire Dressing (49” only) TAPE (49” only) TAPE (49” only) TAPE (49” only) TAPE (49” only)
  • Page 28 2-2. Wire Dressing INSERT CONNECTOR TAPE (49” only) WIRE DRESSING...
  • Page 29 2-2. Wire Dressing ( 55” and 65” ) INSERT CONNECTOR (55’ ONLY) TAPE INSERT CONNECTOR (55’ ONLY) INSERT CONNECTOR (65’ONLY)
  • Page 30 2-2. Wire Dressing INSERT CONNECTOR INFORMATION 1 INSERT CONNECTOR INFORMATION 2 INSERT CONNECTOR INFORMATION 3 INSERT CONNECTOR INFORMATION 4...
  • Page 31 2-2. Wire Dressing INSERT CONNECTOR INFORMATION INSERT CONNECTOR INSERT CONNECTOR (55’ ONLY)
  • Page 32 2-2. Wire Dressing INSERT CONNECTOR (65’only) TAPE (65’ONLY) INSERT CONNECTOR 30P (65’ONLY)
  • Page 33 2-2. Wire Dressing INSERT CONNECTOR (65’only) TAPE (65’ONLY) INSERT CONNECTOR HARNESS (65’)
  • Page 34 2-2. Wire Dressing INSERT CONNECTOR (65’only) INSERT CONNECTOR (65’only) INSERT CONNECTOR (65’ONLY) TAPE (65’ONLY) TAPE (65’) TAPE (65’)
  • Page 35 2-2. Wire Dressing TAPE (65’ONLY) TAPE (65’only) TAPE (65’only) TAPE (65’) WIRE DRESSING INFORMATION (65’)
  • Page 36 2-2. Wire Dressing INSERT CONNECTOR WIRE DRESSING INSERT CONNECTOR INSERT CONNECTOR INSERT CONNECTOR...
  • Page 37 2-2. Wire Dressing TAPE TAPE TAPE...
  • Page 38 2-2. Wire Dressing TAPE TAPE TAPE...
  • Page 39 2-2. Wire Dressing TAPE TAPE TAPE...
  • Page 40 2-2. Wire Dressing WIRE DRESSING WIRE DRESSING ( 55” only ) WIRE DRESSING (65” ONLY) INSERT CONNECTOR (65’ONLY) WIRE DRESSING (65’ONLY)

  • Page 41: Disassembly, Exploded Views And Other Parts

    SECTION 3 DISASSEMBLY, EXPLODED VIEWS AND OTHER PARTS  (*) Parts are not stocked since they are seldom required for routine service. •Place the TV set facing downwards on a stable, level surface before disassembly and assembly of parts. • and shaded parts are critical for safety.
  • Page 42 3-1. KD-43X7*E 3-1-1. Disassembly, Exploded View KD-43X720E KD-43X727E REF. NO. DESCRIPTION PART NO. LABEL, UNDER TERMINAL (CPN) 4-595-715-31 • LABEL, UNDER TERMINAL (CPN) 4-595-715-21 • • REAR COVER (SM CPN) A 4-686-662-01 • • REAR COVER (SM CPN) A 4-686-662-21 •...
  • Page 43 3-1. KD-43X7*E 3-1-2. Screws SCREW +BVTP 3X10 TYPE2 IT-3 7-685-647-79 SCREW, +PSW M3X8 * 4-167-019-22 SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11...
  • Page 44 3-1. KD-43X7*E 3-1-2. Screws SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11...
  • Page 45 3-1. KD-43X7*E 3-1-3. Connectors KD-43X720E KD-43X727E REF. NO. DESCRIPTION PART NO. REMARKS CONNECTOR ASSY 30P 1-910-806-10 CN5500(BB8)-CN3000(LD)(1) • • • FLEXIBLE FLAT CABLE 5P 1-912-077-11 CN9500(BB8)-WIFI (1) • • • FLEXIBLE FLAT CABLE 51P 1-912-072-11 CN9000(BB8)-TCON (1) • • •...
  • Page 46 3-1. KD-43X7*E 3-1-4. Other Parts KD-43X720E KD-43X727E REF. NO. DESCRIPTION PART NO. AC ADAPTOR (120W) 1-493-004-44 • • • CLAMPER, CABLE 4-262-708-04 • • • REMOTE COMMANDER(RMT-TX300U) 1-493-312-11 • • REMOTE COMMANDER(RMT-TX300B) 1-493-313-11 • POWER-SUPPLY CORD SET 1-849-876-11 • •...

  • Page 47: Kd-49X7*E

    3-2. KD-49X7*E 3-2-1. Disassembly, Exploded View SMART CORE COVER, TOP (CPN) P-MOD GUIDE, LIGHT PANEL, ORNAMENT (FRE) HKZ MOUNT CASE, BOTTOM SWITCH (FRE) UNIT LOUDSPEAKER CARD, WIRELESS STAND, BASE BOARD Narrow Type T-CON SHEET, BOARD SHEET, THERMAL THERMAL SHEET, (BM) (BM) THERMAL (BAF...
  • Page 48 3-1. KD-49X7*E 3-1-1. Disassembly, Exploded View REF. KD-49X705E KD-49X720E KD-49X706E KD-49X727E KD-49X700E KD-49X725E DESCRIPTION PART NO. LABEL, UNDER TERMINAL (CPN) 4-595-715-31 • • LABEL, UNDER TERMINAL (CPN) 4-595-715-21 • • • • • • • REAR COVER (M CPN) A 4-696-413-01 •...
  • Page 49 3-1. KD-49X7*E 3-1-2. Screws SCREW +BVTP 3X10 TYPE2 IT-3 7-685-647-79 SCREW, +PSW M3X8 * 4-167-019-22 SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11...
  • Page 50 3-1. KD-49X7*E 3-1-2. Screws SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11...
  • Page 51 3-2. KD-49X7*E 3-2-3. Connectors WILL BE UPDATED SOON REF. KD-49X705E KD-49X720E KD-49X706E KD-49X727E KD-49X700E KD-49X725E DESCRIPTION PART NO. REMARKS CN5500(BB8)- CONNECTOR ASSY 30P 1-910-806-12 CN3000(LD)(1) • • • • • • • • • FLEXIBLE FLAT CABLE 5P 1-912-081-11 CN9500(BB8)-WIFI (1) •...
  • Page 52 3-2. KD-49X7*E 3-2-4. Other Parts KD-49X705E KD-49X720E KD-49X706E KD-49X727E KD-49X700E KD-49X725E DESCRIPTION PART NO. .NO. AC ADAPTOR (120W) 1-493-004-44 • • • • • • • AC ADAPTOR (120W) 1-493-004-15 • AC ADAPTOR (160W) 1-493-298-12 • CLAMPER, CABLE 4-262-708-04 • •...

  • Page 53: Kd-55X7*E

    3-2. KD-55X7*E 3-2-1. Disassembly, Exploded View SMART CORE COVER, TOP (CPN) LCD PANEL GUIDE, LIGHT PANEL, ORNAMENT (FRE) HKZ MOUNT SWITCH UNIT CASE, BOTTOM (FRE) G BOARD STAND, BASE CARD, WIRELESS SPEAKER BOX SPACER ASSY R Narrow Type SHEET, INSULATION T-CON SHEET, THERMAL...
  • Page 54 3-1. KD-55X7*E 3-1-1. Disassembly, Exploded View REF. KD-55X700E KD-55X705E KD-55X706E KD-55X720E KD-55X725E KD-55X727E DESCRIPTION PART NO. AC COVER 4-297-989-01 • • • • • • • • • LABEL, UNDER TERMINAL (CPN) 4-595-715-31 • LABEL, UNDER TERMINAL (CPN) 4-595-715-21 • •...
  • Page 55 3-1. KD-55X7*E 3-1-2. Screws SCREW +BVTP 3X10 TYPE2 IT-3 7-685-647-79 SCREW, +PSW M3X8 * 4-167-019-22 SCREW, +PSW M4X10 4-159-298-01 SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11...
  • Page 56 3-1. KD-55X7*E 3-1-2. Screws SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 W12 4-256-393-12 SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11...
  • Page 57 3-1. KD-55X7*E 3-1-2. Screws SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11...
  • Page 58 3-2. KD-55X7*E 3-2-3. Connectors WILL BE UPDATED SOON REF. KD-55X700E KD-55X705E KD-55X706E KD-55X720E KD-55X725E KD-55X727E DESCRIPTION PART NO. REMARKS CN5500(BB8)- CONNECTOR ASSY 30P 1-910-806-14 • • • • • • • • • CN6401(G)(1) FLEXIBLE FLAT CABLE 5P 1-912-082-11 CN9500(BB8)-WIFI (1) •...
  • Page 59 3-2. KD-55X7*E 3-2-4. Other Parts KD-55X700E KD-55X705E KD-55X706E KD-55X720E KD-55X725E KD-55X727E DESCRIPTION PART NO. CLAMPER, CABLE 4-262-708-04 • • • • • • • • • REMOTE COMMANDER(RMT-TX300U) 1-493-312-11 • • • REMOTE COMMANDER(RMT-TX300B) 1-493-313-21 • REMOTE COMMANDER(RMT-TX300B) 1-493-313-11 • •...

  • Page 60: Kd-65X7*E

    3-2. KD-65X7*E 3-2-1. Disassembly, Exploded View SMART CORE COVER, TOP (CPN) GUIDE, LIGHT LCD PANEL PANEL, ORNAMENT (FRE) HKZ MOUNT CASE, BOTTOM SHEET, (FRE) INSULATION STAND, BASE SPACER SP-BOX ASSY CARD, WIRELESS G BOARD T-CON SHEET, THERMAL (BM) BB8 BOARD SWITCH UNIT BRACKET,...
  • Page 61 3-1. KD-65X7*E 3-1-1. Disassembly, Exploded View KD-65X725E KD-65X727E REF. DESCRIPTION PART NO. AC COVER(PDT 2L) 4-579-996-01 • • • • LABEL, UNDER TERMINAL (CPN) 4-595-715-21 • • • • REAR COVER (2L_HDN) A 4-691-911-31 • • • • BRACKET, UNDER (FRE) 4-595-951-41 •...
  • Page 62 3-1. KD-65X7*E 3-1-2. Screws SCREW , ORNAMENTAL M6X12 7-685-647-79 SCREW +BVTP 3X10 TYPE2 IT-3 * 4-167-019-22 SCREW, +PSW M3X3.0 STEP 4-159-298-01 SCREW, +PSW M3X3.0 STEP 4-159-298-01 SCREW, +PSW M3X3.0 STEP 4-159-298-01 SCREW, +PSW M3X3.0 STEP 4-159-298-01...
  • Page 63 3-1. KD-65X7*E 3-1-2. Screws SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 W12 4-472-518-11...
  • Page 64 3-1. KD-65X7*E 3-1-2. Screws SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M3X6 4-472-518-11 SCREW, +PSW M4X10 4-472-518-11...
  • Page 65 3-2. KD-65X7*E 3-2-3. Connectors WILL BE UPDATED SOON REF. DESCRIPTION PART NO. KD-65X725E KD-65X727E CONNECTOR ASSY 30P 1-910-806-16 CN5500(BB8)-CN6401(G)(1) • • • • 1-912-076-11 FLEXIBLE FLAT CABLE 5P CN9500(BB8)-WIFI (1) • • • • FLEXIBLE FLAT CABLE 51P 1-912-086-11 CN9000(BB8)-TCON (1) •...
  • Page 66 3-2. KD-65X7*E 3-2-4. Other Parts REF. NO. DESCRIPTION PART NO. KD-65X725E KD-65X727E CLAMPER, CABLE 4-262-708-04 • • • • REMOTE COMMANDER(RMT-TX300U) 1-493-312-11 REMOTE COMMANDER(RMT-TX300B) 1-493-313-11 • • • • POWER-SUPPLY CORD (WITH CONN.) 1-849-274-21 • POWER-SUPPLY CORD (WITH CONN.) 1-849-275-21 •...
  • Page 67 Sony EMCS (Malaysia) Sdn. Bhd. English 9-888-733-A2 RDCM © 2017. 06...
  • Page 68 HISTORY INFORMATION FOR THE FOLLOWING MANUAL: SERVICE MANUAL (COMMON) GN3TR CHASSIS Segment: KC Version Date Subject 4/2017 Issue. LCD TV 9-888-733-01 For SM - Unique , please refer : 9-888-733-Ax ( America )) 9-888-733-Ex ( Europe ) 9-888-733-Px ( Pan Asia)
  • Page 69 SERVICE MANUAL (COMMON) GN3TR CHASSIS Segment: KC LCD TV...
  • Page 70 MODEL LIST THIS SERVICE MANUAL CONTAINS COMMON INFORMATION FOR BELOW REGIONS AND MODELS: REGION ASIA AMERICA EUROPE MODEL KD-49XE7* KD-55XE7* KD-65XE7* KD-43XE7* KD-43X7*E KD-49X7*E KD-55X7*E KD-65X7*E...
  • Page 71 TABLE OF CONTENTS Section Title Page 1. SAFETY NOTES 2. SELF DIAGNOSTIC FUNCTION 3. TROUBLE SHOOTING 4. SERVICE ADJUSTMENTS 5. DIAGRAMS Please refer to Service Procedure for Panel , Board and Software Change / Upgrade Manual , part number 9-888-719-0x in TISS . Please refer Service Manual –...
  • Page 72 Replace these 8) Use care when handling the wires or connectors of the inverter circuit. components with Sony parts whose part numbers appear as shown in this manual or in supplements published by Sony. Circuit adjustments that are Damaging the wires may cause a short circuit.
  • Page 73 1-3. Caution About the Lithium Battery 1-5.Leakage Test 1) Danger of explosion if battery is incorrectly replaced. Replace only with (To protect electric shock when customer touch the terminal.) the same or equivalent type. Leakage current can be measured by V: Voltmeter or oscilloscope (r.m.s. or 2) Outer case broken battery should not contact to water.
  • Page 74 1-8. Handling the FLEXIBLE FLAT CABLE (FFC) 1-6. How to Find a Good Earth Ground  When you insert / pull out FFC, please grasp a reinforcement board and main 1) A cold-water pipe is a guaranteed earth ground; the cover-plate retaining body of FFC.
  • Page 75 1-8. Handling the FLEXIBLE FLAT CABLE (FFC) ( continue ) <PULL OUT> <INSERTION> Press release button at the same time pull out FFC cable Insert properly without slanting...
  • Page 76 1-8. Handling the FLEXIBLE FLAT CABLE (FFC) ( continue )
  • Page 77 1-8. Handling the FLEXIBLE FLAT CABLE (FFC) ( continue )
  • Page 78 1-9. Solder-less tuner replacement procedure  For removing Tuner Module, In the case of small type Tuner module. ① The insertion & extraction angle of the module is permitted to After un screwed, Automatically the Module will float to correct degree. specified degree for connector So please extract it with keeping this degree.
  • Page 79 1-9. Solder-less tuner replacement procedure (Cont. )
  • Page 80 1-9. Solder-less tuner replacement procedure ( Cont. )
  • Page 81 SECTION 2 SELF DIAGNOSTIC FUNCTION LED Colour Status Remarks Power Off *1 power switch off (by ( AC Off and *1) Side Key) White Power On Standby ( by remote control off and Side Key off) Picture Off White Amber Set "Sleep Timer"...
  • Page 82 Failure LED Display The Number of Standby Error Detection Error Location (RED blinking) AC Adaptor or Power Supply Main Power Error Unit Audio Error Main Board Panel Power Error Main Board Panel I2C Comm Error Main Board or Source Board Backlight Error Main Board Tuner Demod Error...
  • Page 83 Triage Chart Before you make the service call… 1. Confirm the symptom from the customer. 2. Select that symptom from the chart. 3. Bring all the boards and cables listed for that symptom. 4. Follow the troubleshooting charts in the technical guides to isolate the board. 5.
  • Page 84 SECTION 3 TROUBLESHOOTING 3.1 LED Blinking: 2x (Main power Error - Operating Chart ) BB8（G* Board model） BB8（AC adapter model） 13.2V 16.44V 12.2V TV Business Division...
  • Page 85 3.1 LED Blinking: 2x (Main power Error) BB8（G* Board model） BB8（AC adapter model） 2-time blinking 2-time blinking Check “+19.5_12.5V_MAIN” Check “+19.5_12.5V_MAIN” at pin 15/16 of CN5500 at pin 15/16 of CN5500 on BB8 Board, G* Board on BFX Board, LD Board Voltage 12.2V -13.2V? Voltage 16.44V –...
  • Page 86 Power Error 3.1 : 2x Blinking – Main Power Error LD Board Adaptor LD-Board Take out adaptor 2 times Check DC voltage at Change and check the output voltage. Blinking Q1002 Adaptor 18V – 20V? 18V – 20V? (Refer Figure 1) *Typical: 19.5V Ensure that *Typical: 19.5V...
  • Page 87 Check point for BFX Board Board PWB (A side) Detail Name (Q1002) Q1002 19.5V TV Business Division...
  • Page 88 3.2 : 3x Blinking – Audio Error Important Note : B Board TV must be power OFF condition before plug or unplug any of the FFC/FPC/wire/cable from the board. -> This is to prevent possibility circuit damage happen. START 3x blinking Check correct Option bit is set? Wrong Option bit Correct Option bit &...
  • Page 89 3.2 : 3x Blinking – Audio Error Important Note : B Board TV must be power OFF condition before (#Audio IC (IC3101) problem) plug or unplug any of the FFC/FPC/wire/cable from the board. -> This is to prevent possibility circuit START damage happen.
  • Page 90 3.2 : 3x Blinking – Audio Error B Board (Checking Point) Board PWB BB8 (KC) - Audio Amp circuit (A side) Purpose : Checking Audio Error pin not short F3101 to GND Checking fuse condition Change Audio IC Audio Error pin if need Audio IC each pin checking, please...
  • Page 91 3.2 : 3x Blinking – Audio Error B Board (Checking Point) Board BB8 (KC) (A side) Main IC (IC5000) Audio Amp circuit...
  • Page 92 3.3 : 4x Blinking – Panel Power Error BLM Board *Check Adaptor / G-board connection KC 43/49 = LD board & Adaptor KC 55/65 = G-board Start Adaptor: Remove and reinsert Harness from LD board  Main board G-board: Remove and reinsert Harness from Gboard  Main board RC ON Check Adaptor / G board connection...
  • Page 93 BB8 layout +12.5V_TCON PANEL_PWR...
  • Page 94 3.4 : 5x Blinking – Panel I2C Error BLM Board (General Checking) TV set is OK now NG sympton: Is 10.8 – 13.2V available? LD board/ G board START no +12.5V_TCON supply Replace B-Board Reinsert LVDS Flat TV set is OK now Flexible Cable (FFC) at B-Board and Panel Side.
  • Page 95 BB8 layout +12.5V_TCON PANEL_PWR...
  • Page 96 3.5: Blank Screen, Backlight Visible No Picture Check Smart Core Replace Got Any Abnormal Replace Replace LED Indication the V by One FFC Display? the main Board LD/G Board (5x Blinking) Harness LD/G Board Check Other Refer 5x Blinking Portion: Troubleshooting manual V by One FFC LCD Panel...
  • Page 97 3.5.1 NO PICTURE: TUNER (for Analogue , Digital and Satellite) Check fuse F1000 continuity. RF input no picture / noisy picture Part broken? Check RF source cable Change RF cable and antenna and antenna, OK? Change part Please refer DDCON 12V LNB For 1.8V Please refer DDCON F1000 Voltage troubleshooting (2a)
  • Page 98 Board Board PWB (A side) Detail Name BB8 board BB8 board (A side) (A side) CL1001 (3.3V) CL1000 (1.8V) (1.8V) CL1001 (12V) CL1006 F1000 CL1000 Detail (3.3V) F1000 CL1006 (12V)
  • Page 99 Notes: - Parts for IFOUTN1 line: FB1000,C1005,C1012 3.5.2 For Analogue Tuning Failed ( All destination) - Parts for IFOUTP1 line: R1030, FB1001,C1006,C1013 - Parts for IFAGC1 line: C1014, R1010 Analog Tuning For LA-ISDB(BR/AR), -Parts for M_SCL line: C1004,R1049 PH_ISDB-T & LA-T2(COL) -Parts for STB_SCL line: R1044...
  • Page 100 Board Detail Name BB8 board (A side) C1006 FB1001 R1030 (IFOUTN1) FB1000 C1005 C1012 C1005 FB1000 (IFOUTP1) R1030 FB1001 C1006 C1013 C1012 C1013...
  • Page 101 Board Name Board PWB (A side) Detail BB8 board (A side) (IFAGC1) C1014 R1010 C1014 R1010...
  • Page 102 Board Name Board PWB (A side) Detail BB8 board (A side) (M-SCL) C1004 R1049 (STB-SCL) C100 R104 R1044 C1003 R104 (M-SDA) C1003 R1048 (STB-SCL) R1045 R104...
  • Page 103 Notes: - Parts for IFOUTN1 line: FB1000,C1005,C1012 3.5.3 FOR DIGITAL TUNING 1:Only for AM - Parts for IFOUTP1 line: R1030, FB1001,C1006,C1013 ATSC(MX/UC) ,TW-DVB , AEP(STD) ,LA-ISDB, PH- ISDB - Parts for IFAGC1 line: C1014, R1010 -Parts for M_SCL line: C1004,R1049 Digital Tuning 1 -Parts for STB_SCL line: R1044...
  • Page 104 Board Name Board PWB (A side) Detail BB8 board (A side) C1006 FB1001 (IFOUTN1) R1030 FB1000 C1005 C1012 FB100 C100 (IFOUTP1) R1030 FB1001 C1006 C1013 C1012 C1013...
  • Page 105 Board Name Board PWB (A side) Detail BB8 board (A side) (IFAGC1) C1014 R1010 C1014 R1010...
  • Page 106 Board Name Board PWB (A side) Detail BB8 board (A side) (M-SCL) C1004 R1049 (STB-SCL) R104 C1004 R1044 C1003 R104 (M-SDA) C1003 R1048 (STB-SCL) R1045 R104 R1044...
  • Page 107 Notes: -Parts for M_SCL line: C1004,R1049 3.5.4 FOR DIGITAL TUNING 2: AEP-T2S2, EU-T2,PA-T2, CH, LA-T2(COL), -Parts for STB_SCL line: R1044 - Parts for M_SDA line: C1003,R1048 Digital Tuning 2 For LA-T2(COL) For AEP-T2S2 -Parts for STB_SDA line: R1045 - Parts for DEMOD_TSCLK line: R1020 For EU-T2, - Parts for DEMOD_TSDATA line:...
  • Page 108 Board Name Board PWB (A side) Detail BB8 board (A side) (M-SCL) C1004 R1049 C1004 (STB-SCL) R1049 R1044 C1003 R1048 (M-SDA) C1003 R1048 (STB-SCL) R1045 R1044 R1045...
  • Page 109 Board Board PWB (A side) Detail Name board (A side) (DEMOD_T R020 SCLK) R1020 R1019 (DEMOD_T SDATA0) R1019...
  • Page 110 NO SOUND: TUNER (only for Analogue) No Sound with normal picture Only RF tuner input? Please refer Audio Change B-board troubleshooting...
  • Page 111 3.6.1 USB Port 1– No Detection / Cannot Play / No picture / No Sound – General Checking TV turn ON condition: Remarks: *1 Confirm USB Auto Start at Set-up Menu. *2 Confirm with OSD on bottom panel, if playback not support. START Please refer to IM for detail supported USB format.
  • Page 112 3.6.2 USB Port 2– No Detection / Cannot Play / No picture / No Sound – General Checking TV turn ON condition: Remarks: START *1 Confirm USB Auto Start at Set-up Menu. Do a Factory Setting *2 Confirm with OSD on bottom panel, if playback not support.
  • Page 113 3.6.3 USB Port 3– No Detection / Cannot Play / No picture / No Sound – General Checking TV turn ON condition: START Remarks: *1 Confirm USB Auto Start at Set-up Menu. Do a Factory Setting *2 Confirm with OSD on bottom panel, if playback not support.
  • Page 114 3.6.4 USB Port 1 or 3 – No Detection / Cannot Play / No picture / No Sound – Checking Point USB (B-board Checking) – Checking 5V Points [USB Port 1 or 3] Board Board PWB (A side) Detail Name Have 5V? C7012 C7037...
  • Page 115 3.6.5 USB Port 2 – No Detection / Cannot Play / No picture / No Sound – Checking Point USB (B-board Checking) – Checking 5V Points [USB Port 2] Board Board PWB (A side) Detail Name Have 5V? C7029...
  • Page 116 3.6 Ethernet – No Connect – General Checking TV turn ON condition: START Check if TV has good cable connection Set-up  Network setup Failed Check if any abnormal Check if the Ethernet or broken point on Connector (J7000) and parts NG cable is good Ethernet Connector and parts Change B Board...
  • Page 117 3.6 Ethernet – No Connect – Checking Point Ethernet (B-board Checking) – Checking parts broken or knock off Board Board PWB (A side) Detail Name L7000 Check any T7000 T7001 parts broken or knock off? RB7000 C7003 J7000...
  • Page 118 3.6 CI Slot – Cannot Play / No picture / No Sound – General Checking Remarks: *1 Important: Please use a known Good CICAM for testing TV turn ON condition: *2 Both CI Detection at Pin 36/67 should be 3.3V before 2f.6 CI Slot CICAM insert and 0v when CICAM inserted.
  • Page 119 3.6 CI Slot – Cannot Play / No picture / No Sound – Checking Point CI Slot (B-board Checking) – Checking 5V Points [1/3] Board Board PWB (A side) Detail Name CI 5V at PIN 17/18/51/52...
  • Page 120 3.6 CI Slot – Cannot Play / No picture / No Sound – Checking Point CI Slot (B-board Checking) – Checking CI Detection Pin Points [2/3] Board Name Board PWB (A side) Detail Card Detect 1 – PIN Card Detect 2 – PIN Remark: Both CI Detection Pin should be 3.3V before CICAM insert and 0v when CICAM inserted.
  • Page 121 3.6 CI Slot – Cannot Play / No picture / No Sound – Checking Point CI Slot (B-board Checking) – Checking Resistor Part Mounting Points [3/3] Board Board PWB (A side) Detail Name Ref. No. Location Ref. No. Location RB7003 RB7012 Remark: RB7004...
  • Page 122 3.7.1 HDMI – No picture – General Checking Checking condition: - TV ON & HDMI Source ON except if the flow mentioned is AC OFF. - TV HDMI input connected to HDMI source (Player etc.) - TV Input Selection: HDMI HDMI No Picture Go to Verify with laptop/...
  • Page 123 3.7.1 HDMI – No picture – General Checking (Continued) Checking condition: - TV ON & HDMI Source ON except if the flow mentioned is AC OFF. - TV HDMI input connected to HDMI source (Player etc.) - TV Input Selection: HDMI Continue..
  • Page 124 3.7.2 HDCP Failure Analysis – General Checking Checking condition: - TV ON & HDMI Source ON except if the flow mentioned is AC OFF. - TV HDMI input connected to HDMI source (Player etc.) - TV Input Selection: HDMI HDCP Failure Analysis [OK] Compatible Verify HDMI Source...
  • Page 125 3.7.3 +5V Power Failure Analysis – HDMI1 and HDMI3 General Checking Checking condition: - TV ON & HDMI Source ON except if the flow mentioned is AC OFF. - TV HDMI input connected to HDMI source (Player etc.) +5V Power - TV Input Selection: HDMI Failure Analysis [NG] Impedance ≠...
  • Page 126 3.7.3 +5V Power Failure Analysis – HDMI2 General Checking Checking condition: - TV ON & HDMI Source ON except if the flow mentioned is AC OFF. - TV HDMI input connected to HDMI source (Player etc.) - TV Input Selection: HDMI +5V Power Failure Analysis [NG] Impedance ≠...
  • Page 127 3.7.4 HPD Failure Analysis – HDMI1 and HDMI3 Checking condition: - TV ON & HDMI Source ON except if the flow mentioned is AC OFF. - TV HDMI input connected to HDMI source (Player etc.) - TV Input Selection: HDMI [OK] All part as below R4021, R4022 ≈...
  • Page 128 3.7.4 HPD Failure Analysis – HDMI2 Checking condition: - TV ON & HDMI Source ON except if the flow mentioned is AC OFF. - TV HDMI input connected to HDMI source (Player etc.) - TV Input Selection: HDMI Failure Analysis Check HPD GPIO Line Check impedance of [OK] Impedance ≈...
  • Page 129 3.7.4 HPD Failure Analysis – Measuring point for HPD GPIO line references to ground R4019* HDMI3 Only measure this point reference to GND HDMI2 HDMI1 R4018* R4043* Only measure this point reference to Only measure this point reference to...
  • Page 130 3.7.5 I2C Failure Analysis – General Checking Checking condition: - TV ON & HDMI Source ON except if the flow mentioned is AC OFF. - TV HDMI input connected to HDMI source (Player etc.) - TV Input Selection: HDMI Failure Analysis OK] HDMI1 Impedance ≈...
  • Page 131 3.7.6 TMDS Failure Analysis – General Checking Checking condition: - TV ON & HDMI Source ON except if the flow mentioned is AC OFF. - TV HDMI input connected to HDMI source (Player etc.) TMDS - TV Input Selection: HDMI Failure Analysis Check impedance of Resistor, Check I2C GPIO Line impedance...
  • Page 132 3.7.7 HDMI Bravia Sync (CEC) Not function – General Checking Checking condition: - TV ON & HDMI Source ON except if the flow mentioned is AC OFF. - TV HDMI input connected to HDMI source (Player etc.) - TV Input Selection: HDMI Bravia Sync (CEC) Not Function [NG] Source Not Support CEC /...
  • Page 133 3.7.8 HDMI ARC Not function – General Checking Checking condition: - TV ON & HDMI Source ON except if the flow mentioned is AC OFF. - TV HDMI input connected to HDMI source (Player etc.) HDMI ARC - TV Input Selection: HDMI Not Function [NG] Source Not Support ARC / [OK] ARC functioning...
  • Page 134 HDMI – No picture HDMI No picture– Checking Point Zoom 2 : HDMI2 Pin 1 CN4002 L4004 L4005 Zoom 4 Zoom 2 R4005 Zoom 1 Zoom 3 RB4002 VR4011 RB4001 R4022 R4025 R4044 R4007 R4004 R4019 Pin 19 R4008 R4016 R4043 VR4010 Pin 1...
  • Page 135 HDMI – No picture HDMI No picture-Checking point (continued Zoom 3 : HDMI3 R4036 L4000 Zoom 4 Zoom 2 R4003 L4001 Zoom 1 RB4000 VR4009 R4006 Zoom 3 R4024 R4021 R4015 CN4000 RB4003 RB4004 R4018 R4031 RB4006 RB4005 RB4008 Zoom 4 RB4007...
  • Page 136 HDMI – No picture HDMI No picture– Part List Ref No Part No Description L4000,L4001, L4002, L4003, L4004, L4005 1-460-611-11 COMMON MODE CHOKE COIL RB4003, RB4004, RB4005, RB4006, RB4007, RB4008 1-257-559-21 CONDUCTOR, NETWORK (1005X4) RB4000, RB4001, RB4002 1-257-548-21 RES, NETWORK 47K (1005X4) R4043 1-220-803-81 RES, CHIP 4.7 (1005)
  • Page 137 3.8 WIFI – Cannot search device / Connection Failed – General Checking Start Connection Failed NG: Signal Strength NG: Built-In WiFi Off AP Device Check Built-In WiFi WiFi Feature is Check AP/Device Problem Not Enable (Change AP/Device) Change B*Board / Check WiFi Direct NG: WiFi Direct Off WiFi Direct Feature is...
  • Page 138 3.8 WIFI – Cannot search device / Connection Failed – Checking Point Board Name Board PWB (A side) Detail BB8 (IC6016) IC6016 IC6016...
  • Page 139 3.8 WIFI – Cannot search device / Connection Failed – Checking Point...
  • Page 140 3.9.1 Video Analog Signal Path – No Picture – General Checking - WW Destination (BB8) Video No Picture Check if input on OSD Check R2021 voltage. J2002 Connectivity is GREY OUT? Is it 3.3V? Problem. (not selectable) Check all parts Check waveform at CVBS0P signal path.
  • Page 141 3.9.1 Video Analog Signal Path – No Picture – Checking Point - WW Destination (BB8) Board Name Board PWB (A side) Details BB8 WW J2002 VR2000 Details R2021 R2004 C2000 R2021 VR2000 R2004 C2000 J2002 BB8 WW Details C2006 C2006 R2017 R2017...
  • Page 142 3.9.2 Video Analog Signal Path – No Picture – General Checking -No Picture UC Destination (BB8) No Picture or Abnormal Picture KM Unique Mini Plug Video Adaptor Reinsert Mini Plug Video Adaptor until hear “click” sound Video Component No Picture No Picture IC5000 Problem IC5000 Problem...
  • Page 143 3.9.2 Video Analog Signal Path – No Picture – Checking Point - No Picture UC Destination (BB8 Board Name Board PWB (A side) Details BB8 (UC) C2002 C2000 J2000 VR2000 R2004 Details R2005 R2004 R2006 C2000 VR2002 R2006 C2001 C2002 VR2001 R2005 VR2000...
  • Page 144 3.10 .1 Audio D Amp IC Normal Operation Condition AC Adapter PSU board Common AC Adapter PSU board Common Label Name Label Name Voltage Voltage Frequency Voltage Voltage Frequency ADDR VCCP2 19.5V 12.7V BCLK 3.3Vpp 3.3Vpp 3.07MHz GNDP2 LRCLK 3.3Vpp 3.3Vpp 48kHz BSP2P...
  • Page 145 3.10 .1 Audio D Amp IC Normal Operation Condition 19.5V/12.7V F3101 B board 5, 8, 9, 11 Zoom IC3101...
  • Page 146 3.10 .2 Troubleshooting detail audio problem Main Speaker Refer Audio Problem No Sound? “Main Speaker No Sound” Headphone (HP) Out Refer No Sound? “HP Out No Sound” Video/Component Refer No Sound? “Analog Audio Input No Sound” Analog RF Refer No Sound? “Analog RF No Sound”...
  • Page 147 3.10 .2 Troubleshooting detail audio problem 3.10 .2.1 Main Speaker No Sound START No Sound Sound Do a Factory Setting & set to desire channel with sound No Sound No connectivity for speaker harness Sound Check Speaker Harness Change Speaker Harness Connectivity No Sound No Sound...
  • Page 148 3.10 .2 Troubleshooting detail audio problem 3.10 .2.1 Main Speaker No Sound B board IC5000 IC5000 LRCLK SDATA0 BCLK...
  • Page 149 3.10 .2 Troubleshooting detail audio problem 3.10 .2.2 Headphone (HP) Out No Sound START No Sound Sound Do a Factory Setting & set to desire channel with sound No Sound Sound Check AV Setup, Headphone is selected No Sound Sound Use another Headphone Headphone problem No Sound, Headphone OK...
  • Page 150 3.10 .2 Troubleshooting detail audio problem 3.10 .2.2 Headphone (HP) Out No Sound B board IC5000 Pin4 IC3501 J3501...
  • Page 151 3.10 .2 Troubleshooting detail audio problem 3.10 .2.3 Analog Audio Input No Sound START No Sound Sound Do a Factory Setting & set to desire channel with sound No Sound Sound Check correct Source mode is selected No Sound Sound Use another RCA cable RCA cable problem No Sound &...
  • Page 152 3.10 .2 Troubleshooting detail audio problem 3.10 .2.4 Analog RF No Sound START No Sound Do a Factory Setting & Sound complete the RF tuning No Sound Sound RF cable, OK? Change RF cable No Sound Sound RF source, OK? Change RF source/channel No Sound Raster sound, OK?
  • Page 153 3.10 .2 Troubleshooting detail audio problem 3.10 .2.5 HDMI Audio No Sound START No Sound Sound Do a Factory Setting & set to desire HDMI source with sound No Sound Sound HDMI cable, OK? Change HDMI cable No Sound Sound HDMI source, OK? Change HDMI source/channel No Sound...
  • Page 154 3.10 .2 Troubleshooting detail audio problem Checking condition: 3.10 .2.6 HDMI ARC Failure - TV ON & HDMI Source ON except if the flow mentioned is AC OFF. - TV HDMI input connected to HDMI source (Player etc.) - TV Input Selection: HDMI HDMI ARC Failure [NG] Source Not Support ARC /...
  • Page 155 3.10 .2 Troubleshooting detail audio problem 3.10 .2.6 HDMI ARC Failure HDMI 2 (CN4000) Zoom HDMI 1 (CN4001) R4018 Ref No Part No Description R4018 1-218-944-81 RES, CHIP 180 (1005)
  • Page 156 3.10 .2 Troubleshooting detail audio problem 3.10 .2.7 USB Audio No Sound START No Sound Sound Do a Factory Setting & set to desire USB file with sound No Sound Sound USB device, OK? Change USB device No Sound Sound USB source, OK? Change USB source/channel No Sound...
  • Page 157 3.10 .2 Troubleshooting detail audio problem 3.10 .2.7.1 USB Port 1 – No Detection / Cannot Play / No Picture / No Sound Please refer to “3.6.1 USB Port 1 – No Detection / Cannot Play / No Picture / No Sound”.
  • Page 158 3.10 .2 Troubleshooting detail audio problem 3.10 .2.7.2 USB Port 2 – No Detection / Cannot Play / No Picture / No Sound Please refer to “3.6.2 USB Port 2 – No Detection / Cannot Play / No Picture / No Sound”.
  • Page 159 3.11 No Power DDCON/LDO Reference Points IC Ref Voltage Supply Fuse Enable Output Input IC6009 5V_DDC_OUT F6004 R6074 C6072 C6066 5V_Main Q6006(pin2) Q6007(pin1) Q6007(pin3) IC6010 3.3V_DDC_OUT & STBY F6005 R6089 C6093 C6086 3.3V_Main Q6008(pin2) Q6009(pin1) Q6009(pin3) IC6007 1.8V_TU R6162 C6058 C6055 IC6017 1.0V_M3...
  • Page 160 Block Diagram Adaptor /PSU B Board 1.05V LDO 43” 49” 3.3V DDC 19.5V 1.5V DDC 1.05V DDC 55” 1.0V DDC 5V DDC 65” (WIFI) G-Board 12.7V 1.8V LDO 5.0V DDC 1.8V DDC (TUNER)
  • Page 161 3.11 No Power DDCON/LDO DC-DC Converter Overall Check Check C6146 Voltage. DDC: +1.0V_M3 check Is the voltage 1V? START Check C6134, Check C6093 Voltage. LDO: +1.05V_M3_xx check C6050 is it DDC: +3.3V_DDC_OUT check 1.05V? Is the voltage 3.3V? Check C6042 Voltage.
  • Page 162 3.11 No Power DDCON/LDO DDC: +3.3V_DDC_OUT check START Check fuse F6005 Change F6005 Is fuse OK? G-Board model LD-Board model Check input Check input F6005 voltage F6005 voltage Is voltage >19.0V? Is voltage >12.0V? Check EN signal R6088 voltage G-Board/LD-Board Is voltage >2.9V? Check Vcc C6082...
  • Page 163 3.11 No Power DDCON/LDO DDC: +1.5V_DDR check START Check IC6009 Vcc voltage Check Vcc voltage Check C6066 Change D6001 C6040 D6001 Is voltage >19.5V? Is voltage >3.3V? Is diode ok? Check +3.3V_STBY. G board or IC6010 Check Vcc voltage Check C6040 D6002 Change D6002...
  • Page 164 3.11 No Power DDCON/LDO SW: +5V_MAIN check START Check VG signal Q6007 #pin1 Change Q6007 Is voltage > 4.9V? Check VB signal Q6006 #pin2 Change Q6006 Is voltage > 1.9V? Other Issue...
  • Page 165 3.11 No Power DDCON/LDO DDC: +5.0V_DDC_OUT check START Check fuse F6004 Change F6004 Is fuse OK? LD-Board model G-Board model Check input Check input F6004 voltage F6004 voltage Is voltage >19.0V? Is voltage >12.0V? G-Board/LD-Board Check EN signal R455 voltage 1.2 No Power U-Com Failure Is voltage >2.5V? Check Vcc...
  • Page 166 3.11 No Power DDCON/LDO DDC: +1.0V_M3 check START Check fuse F6006 Change F6006 Is fuse OK? LD-Board model G-Board model Check input Check input F6006 voltage F6006 voltage Is voltage >19.0V? Is voltage >12.0V? G-Board/LD-Board Check EN signal R6114 voltage MTK IC damage Is voltage >1.9V? Check Vcc...
  • Page 167 3.11 No Power DDCON/LDO LDO: +1.05V_M3_STBY LDO: +1.8V_EMMC +1.8V_EMMC +1.05V_M3_STBY START START Check input Check input C6049 voltage DDC: 3.3V_DDC_OUT check C6124 voltage DDC: 3.3V Switching check Is voltage >3.0V? Is voltage >3.0V? Check EN signal Check EN signal IC6005 #pin3 IC6018 #pin3 DDC: 3.3V_DDC_OUT check DDC:3.3V Switching check...
  • Page 168 3.11 No Power DDCON/LDO DDC: + 1.8V_TU check START Check voltage Check Change D6011 C6055 D6011 Is voltage >5.0V? Is diode ok? Check +5.0V_DDC_OUT Check EN signal Check R6162 D6009 Change D6011 Is voltage >1.6V? Is diode ok? MTK IC damage Change IC6007...
  • Page 169 3.11 No Power DDCON/LDO DDC: 1.05V_M3_A check START Check voltage C6130 DDC: 3.3V switching check Is voltage >3.0V? Check EN signal R6120 DDC: 3.3V switching check Is voltage >3.0V? Change IC6014...
  • Page 170 3.11 No Power DDCON/LDO DDC: 5.0V_WIFI check START Check voltage Check +3.3V_STBY. C6136 G board or IC6010 Is voltage >3.0V? Check EN signal MTK IC damage R6167 Is voltage >3.0V? Change IC6014...
  • Page 171 3.11 No Power DDCON/LDO SW: +3.3V_MAIN check START Check VG signal Change Q6009 Q6009 #pin1 Is voltage > 3.0V? Check VB signal Q6008 #pin2 Change Q6008 Is voltage > 1.9V? Other Issue...
  • Page 172 3.11 No Power DDCON/LDO DDC & LDO Locations IC6004 IC6010 IC6009 Q6008 Q6009 IC6017 Q6006 Q6007 IC6014 IC6005 IC6018 IC6007 IC6016...
  • Page 173 3.11 No Power DDCON/LDO DDC & LDO Locations DDC: +3.3V_DDC_OUT DDC: +1.5V_DDR DDC: +5.0V_DDC_OUT F6004 C6093 C6066 C6153 IC6009 C6086 IC6004 F6005 IC6010 C6040 C6042 C6072...
  • Page 174 3.11 No Power DDCON/LDO DDC & LDO Locations DDC: +5V_WIFI DDC: +1.0V_M3 DDC: +1.8V_TU R6114 C6136 C6141 R455 R6162 IC6017 C6055 IC6007 F6006 IC6016 C6058 C6106 C6146 R6167...
  • Page 175 3.11 No Power DDCON/LDO DDC & LDO Locations DDC: +3.3V_MAIN DDC: +5V_MAIN DDC: +1.05V_M3_A C6130 Q6009 #PIN1 (VG) Q6007 #PIN1 (VG) IC6014 Q6008 Q6006 R6120 C6134 #PIN2 (VB) #PIN2 (VB)
  • Page 176 3.11 No Power DDCON/LDO DDC & LDO Locations DDC: +1.05V_STBY DDC: +1.80V_EMMC C6124 C6050 C6125 IC6018 #PIN3 IC6005 #PIN3 C6049...
  • Page 177 SECTION 4 SERVICE ADJUSTMENTS 03.1 How to enter Service Mode Go to TV standby condition by remote commander (when TV in On condition, press “Power” once). Press “i+ (info)/Display”, “5”, “Volume+” then “Power” remote. You can see Service menu on display. Service Mode Status Information Status Information...
  • Page 178 03.2 Service Mode Unique Items These items availability depend on TV region Items Region/s Available Wide Band Tuning UC only Update CI+ Credentials EU only HDD Performance Check EU&PAD(AUS/NZ only) EU&PAD(AUS/NZ only) Except PAA, CHI/PE/PHI, SDB Service Menu BR/ARG/ECU Default Date for HDD EU&PAD(AUS/NZ only) Recording TV Business Division...
  • Page 179 03.3 Key Behavior Summary Remote Key Action Power Power off (Stand by Mode) Menu Close service menu, Return Previous page. Enter next page of focus item, Confirm the change, Return Enter Previous page. Cursor Change focus item, Change option of focus item, Return to (Left/Right/Up/Down) previous page Return...
  • Page 180 Press “Enter” or “→” button to enter “Status Information” Main Micro vX.XXX SW Version: TD1.000 NVM Version: vX.XX Boot Version: PA0.XXX Panel ID Version: JEDI.L0.MP1.mt7603u.vX.X Wi-Fi Version: PQ0.XXX PQ Version: AQ0.XXXX AQ Version: Only available if Wi-Fi set to on 2) Press “Enter”...
  • Page 181 03.5 How to enter Self Check Go to Self diagnosis history through Service Mode In Service Mode, select “Self diagnosis history”, press “Enter” or “” button to enter Self Check. Service Mode Status Information >> SELF CHECK Self diagnosis history >>...
  • Page 182 03.6 Diagnosis Menu Information Entry 1. Go to Standby by pressing the power button of remote/power key. 2. Push the buttons sequentially: Error name Error count <Display> <5> <Vol -> <Power> Exit SELF CHECK - Power off & on Back MAIN_POWER AUD_ERR 0 indicates no...
  • Page 183 03.7 Failure Diagnosis by LED Standby LED Flashing Times Monitoring Items Content REG19.5V_MON REG 19.5V Failure X_AUDIO_MON Audio Failure AUDIO_I2C(M_SDA1/SCL1) Audio I2C communication failure PANEL12V_MON Panel 12V Failure PANEL I2C ACK Panel ID NVM Failure BL_ERR Backlight Error...
  • Page 184 03.8 Panel Selection and LVDS Spectrum (%) Please refer to the following Table to confirm if Panel Selection and LVDS Spectrum(%) values are correct. Model Panel Selection LVDS spectrum KC 43 13_YS7S430HNG0101_4 KC 49 14_YS7S490HNG0101_4 KC 4K Panel Less 1_PNLLESS_4KMTFY17_0 KC 55 16_YS7W550HND0101_4 KC 65...
  • Page 185 03.9 Serial Number Edit 1) Press “→” button to enter edit mode for Serial Number 2) Press Up or Down button to change number and “” button to edit next number...
  • Page 186 03.9 Serial Number Edit 3) After user input data , press <Enter>. Pop dialog will appear to inform user to confirm data. Press → or ← button to select YES or NO. Select YES if input data is correct. Select NO if input data is incorrect. Press <Enter>...
  • Page 187 03.9 Serial Number Edit 5) If NO is selected, the input data is not saved into EEPROM. The serial number that has been input is displayed. User still can edit the Serial Number. * The font color of NO is change to black when it is selected * Serial Number clear: Serial Number can be set 5 times...
  • Page 188 03.10 Model Number Setting 1) Press “→” button to enter edit mode for Model Number 2) Press Up or Down button to select character and “” to edit next character...
  • Page 189 03.10 Model Number Setting 3) Model Name can be set ONLY ONCE. After user input data , press <Enter>. Pop dialog will appear to inform user to confirm data. Press → or ← button to select YES or NO. Select YES if input data is correct. Select NO if input data is incorrect.
  • Page 190 03.10 Model Number Setting 5) If NO is selected, the input data is not saved into EEPROM. The model name that has been input is displayed. User still can edit the Model Name. * The font color of NO is change to black when it is selected...
  • Page 191 03.11A White Balance Adjustment Please apply this Action when Main board or panel is replaced. 1) Select “Panel/PQ”. Press “Enter” or “” Select “WB Adjustment”...
  • Page 192 03.11A White Balance Adjustment 2) Start WB adjustment by changing R/G/B Gain & Offset register R/G/B Gain setting around High luminance Adjustment (Default Value 512; Range: 0 ~ 1023) R/G/B Offset setting around Low luminance Adjustment (Default Value 512; Range: 0 ~ 1023) Remark#1 Whenever these R/G/B Gain &...
  • Page 193 03.11B WB/MURA/CUC Data Transfer Please apply this Action when Main board or panel is replaced. 1) Select “Panel/PQ”. Press “Enter” or “” Select WB/MURA/CUC Data Transfer...
  • Page 194 03.11B WB/MURA/CUC Data Transfer 2) (a) Select transf” by pressing “↑” or “↓” on remote commander. “WB/Gamma data (b) To change the items, press “←” or “→” on remote commander and press “Enter” button. select “1. T-con to SoC” for each items. (c) Select “[start]”...
  • Page 195 03.12 Aging Mode 1) Press “” button to turn on “General Settings” Press “↓” button to select “Aging Mode” Remark#1 Toggle ”→” to select “ON” or Toggle “←” to select “OFF” Exit Service Mode by pressing “Return” on Remote Commander. Remark#2 Ensure that there is no Cable (RF, HDMI, etc.) connected to the TV...
  • Page 196 03.12 Aging Mode Remark#3 Perform Test Reset on TV after turning “OFF” Aging Mode Test Reset Press <Power> tact key on TV with keep pressing <Up> key on -> Then, displays “RESET” on Screen.
  • Page 197 03.13 Tuner Detection Press “Enter” or “” button to enter Tuner Detection Go to “Back” and press “Enter” or “” button to return to Service Mode...
  • Page 198 03.13 Tuner Detection 3) Go to “Tuner Check” and press “” or “” to enter selection “On” or “Off” *. • “Tuner Check” = , to execute “Tuner Check” and update “Tuner Status” value. • “Tuner Check” = (default value). Always set “Tuner Check” to “Off” after confirm “Tuner Status”...
  • Page 199 03.14 ATMOS CEC Disable 1) Go to “ATMOS CEC DISABLE” and Press “” or “” button to select ‘0’ or ‘A’ ATMOS_CEC_DISABLE (EEPROM 0x30A0) Data : [0/A] Default : 0 Purpose : Data [A] is able to skip Atmos judgment by CEC <Report Short Audio Descriptor>...
  • Page 200 03.15 CEC Force LA = 0 1) Go to “CEC FORCE LA=0” and Press “” or “” button to select ‘0’ or ‘A’ CEC_Force_LA=0 Data : [0/A] Default : 0 Purpose : To avoid CEC conflict for Non CEC compliant device. Usage: When market claim happen such as Bravia Sync malfunction or no ARC sound happen due to a device make CEC conflict, then Service side change this service register from 0 to "A"...
  • Page 201 03.16 Read HDMI EDID 1) Go to “Read HDMI EDID” and Press “” button to enter “Read HDMI EDID” display Scroll the “Read HDMI EDID” display using “” or “” button to view more HDMI EDID. 2) Press “Enter” at back selection to return to Service Mode Menu or “Return” button to exit. Read_HDMI_EDID Purpose : To read HDMI EDID data without using any external equipment.
  • Page 202 03.17 Option Bit 1) Go to “Option bit” and Press “Enter” or “” button Option Purpose To set the destination of the TV set. Please don’t Shipping region change this setting unless for service board replacement (EU only) . To select the Tuner type of the Set. Please don’t Tuner ID change this setting unless for service board replacement (EU only) .
  • Page 203 03.17 Option Bit (Shipping Region) 1) Go to “Shipping Region” and Press “” or “” button to 3) Press “<“ to select “Yes” & press “Enter” to confirm. select *region. (Region availability depends on SW pkg) 4) Pop-up will display & TV will reboot to reflect the new 2) Press enter to confirm Region.
  • Page 204 03.17 Option Bit (Tuner ID) 1) Go to “Shipping Region” and Press “” or “” button 3) Press “<“ to select “Yes” & press “Enter” to confirm. to select *Tuner ID. (availability depends on SW pkg) 4) Pop-up will display & TV will reboot to reflect the 2) Press enter to confirm Tuner ID.
  • Page 205 SECTION 5 DIAGRAMS 5-1.CIRCUIT BOARD LOCATION 1. 43” 2. 49” SWITCH UNIT SWITCH UNIT LD1 BOARD CARD, WIRELESS UNIVERSAL BB8 BOARD UNIVERSAL LD1 BOARD SIL-TU BB8 BOARD CARD, WIRELESS SIL-TU...
  • Page 206 5-2. Block Diagram Block Diagram FY17 (KC)-4K (BB8 PWB for COL,BR,PAA,PAD,LA,PH,CH,TW) USB2.0 H-Board (SIRCS,LED) USB HUB USB2.0 Side-Key (3keys) GL850G USB2.0 Stack USB2.0 connector eMMC 4.5 DDR3 DDR3 + 2Gb USB2.0 2Gb x 2 Wi-Fi Module STBY USB Port 32bit 32bit HDMI 2 MT5597...
  • Page 207 5-2. Block Diagram Block Diagram FY17 (KC)-4K (BB8 PWB for EU )
  • Page 208 5-2. Block Diagram Block Diagram FY17 (KC)-4K (BB8 PWB for UC )
  • Page 209 5-3. Connector Diagram : KC_43 & 49” Switch Module BAX_F To Main Board T-con HUS_GND VBTX7P RxP7 BB8 Main Board CN203 HUS_KEY_AD VBTX7N RxN7 Board HUS_POWER_KEY VBTX6P RxP6 PANEL FFC JAM SZ15-03WLR VBTX6N RxN6 P/N: 1-822-693-11 VBTX5P RxP5 VBTX5N RxN5 Main Harness VBTX4P RxP4...
  • Page 210 5-3. Connector Diagram : KC_55 & 65” To Main Board T-con Switch Module HUS_GND BAX_F VBTX7P RxP7 BB8 Main Board CN203 HUS_KEY_AD VBTX7N RxN7 Board HUS_POWER_KEY VBTX6P RxP6 PANEL FFC JAM SZ15-03WLR VBTX6N RxN6 P/N: 1-822-693-11 VBTX5P RxP5 VBTX5N RxN5 Main Harness VBTX4P RxP4...
  • Page 211 Sony EMCS (Malaysia) Sdn. Bhd. English RDCM 9-888-733-01 © 2017.04...

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