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Sony KD-75X7800F Service Manual

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2018/08/13 23:26:25 (GMT+09:00)
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE MANUAL (COMMON)
GN4TR CHASSIS
ORIGINAL MANUAL ISSUE DATE: 08/2018
Segment : CHML
Version
Date
Subject
st
1
08/2018
1
Issue
LCD TV
9-888-757-01
For SM - Unique , please refer :
9-888-757-A1 ( America )
9-888-757-C1( China)
9-888-757-E1 ( Europe )
9-888-757-P1 (Asia)
SYS SET

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  • Page 1 2018/08/13 23:26:25 (GMT+09:00) HISTORY INFORMATION FOR THE FOLLOWING MANUAL: SERVICE MANUAL (COMMON) GN4TR CHASSIS ORIGINAL MANUAL ISSUE DATE: 08/2018 Segment : CHML Version Date Subject 08/2018 Issue LCD TV 9-888-757-01 For SM - Unique , please refer : 9-888-757-A1 ( America ) 9-888-757-C1( China) 9-888-757-E1 ( Europe ) 9-888-757-P1 (Asia)
  • Page 2 2018/08/13 23:26:25 (GMT+09:00) SERVICE MANUAL (COMMON) GN4TR CHASSIS Segment : CHML LCD TV SYS SET...
  • Page 3 2018/08/13 23:26:25 (GMT+09:00) MODEL LIST THIS SERVICE MANUAL CONTAINS COMMON INFORMATION FOR BELOW REGIONS AND MODELS: REGION ASIA AMERICA EUROPE CHINA MODEL KD-75X7800F KD-75X780F SYS SET...

  • Page 4: Table Of Contents

    2018/08/13 23:26:25 (GMT+09:00) TABLE OF CONTENTS Section Title Page SAFETY NOTES SELF DIAGNOSTIC FUNCTION TROUBLE SHOOTING SERVICE ADJUSTMENTS DIAGRAMS PANEL and TV SET HANDLING Please refer Service Manual – Unique for below information : -Disassembly and Removal Caution -Wire Dressing -Circuit Board Location -Exploded Views and Parts List Note: Pictures provided in this Service Manual might have slight difference from the actual sets.

  • Page 5: Safety Notes

    7) Always clean the LCD panel with a soft cloth material. Sony. Circuit adjustments that are critical for safe operation are identified in this manual. Follow these procedures whenever critical components are 8) Use care when handling the wires or connectors of the inverter circuit.
  • Page 6 2018/08/13 23:26:25 (GMT+09:00) 10) During the repair, DO NOT leave the Power On or Burn-in period for *Do not recommend power-on in the conditions which laid face down the more than 1 hour while the TV is face down on a cloth. Refer Figure 1 . panel, in repair activity.
  • Page 7 2018/08/13 23:26:25 (GMT+09:00) To reduce the risk of image retention: Other feature •Fill the screen by changing [Wide mode] to eliminate the black bars. The screen brightness is automatically reduced when displaying still Select [Wide mode] other than [Normal]. images, clocks, bright colours or logos etc. •Turn off the OSD (On Screen Display) by pressing the DISPLAY button, and turn off the menus from connected equipment.
  • Page 8 2018/08/13 23:26:25 (GMT+09:00) Comply with the following requirement 4) Look for unauthorized replacement parts, particularly transistors that Class II equipment (2-pin plug): for each terminal, the worst value of were installed during a previous repair. Point them out to the customer and measurement must not exceed AC 350uA peak).
  • Page 9 2018/08/13 23:26:25 (GMT+09:00) 1-7. Lead Free Information The circuit boards used in these models have been processed using Lead Free Solder. The boards are identified by the LF logo located close to the board designation. Figure 5: LF logo on circuit board Figure 4: LF Logo The servicing of these boards requires special precautions.

  • Page 10: Self Diagnostic Function

    2018/08/13 23:26:25 (GMT+09:00) SECTION 2 SELF DIAGNOSTIC FUNCTION The units in this manual contain a self-diagnostic function. If an error occurs, the Smart Core Red LED will automatically begin to flash. The number of times the LED flashes translates to a probable source of the problem. A definition of the Smart Core Red LED flash indicators is listed in the instruction manual for the user’s knowledge and reference.
  • Page 11 2018/08/13 23:26:25 (GMT+09:00) Self Diag. Quick Reference (Not LED blinking [Record Only]) Blue italic: detect at startup sequence only. Error Item <G>: Power supply board, ( Not LED blinking CHML <B>: Main board, [Record Only]) <T>: T-con board, <TE>: Temp Sensor board, <B/Tu>...
  • Page 12 2018/08/13 23:26:25 (GMT+09:00) Self Diagnosis Service Menu and Display Error count Error Item Entry (Self Diagnosis Display) - Go to the standby by a remote. SELF CHECK - Push the buttons sequentially: << <Display><5><Vol-><Power> MAIN POWER 000000000000 000000000000 000000000000 DC ALERT 000000000000 000000000000 000000000000 Exit...

  • Page 13: Troubleshooting

    2018/08/13 23:26:25 (GMT+09:00) SECTION 3 TROUBLESHOOTING 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 14 2018/08/13 23:26:25 (GMT+09:00) 1.0 No Power START 12V output check Replace Power supply AC Connect (12.2~13.2V) Case 2 (80 ~ 288V) BL_ON active HIGH Can TV power on? Main Board Problem (~3.3V) Case 4 Case 3 F6101 Fuse OPEN LED output check BL Err level check Replace Power supply check...
  • Page 15 2018/08/13 23:26:25 (GMT+09:00) 1.2 No Power u-com Failure P-on u-com control signal path summary POWER_ON +3.3V_STBY #pin6 DDC : +12V_MAIN (IC1000) Vdd Ucom supply voltage PGOOD_1 #pin9 DDC : +1.0V_M2 (IC604) TYPE_DET #pin17 Type Detection Cir. P_ON_#1 #pin1 BL_ON DDCs : +1.8V_TU (IC405), +1.0V_BE (IC404) #pin7 G-Board / LD2 POWER_ON...
  • Page 16 2018/08/13 23:26:25 (GMT+09:00) 1.2 No Power u-com Failure START Check 12V_MON Check +12V_MAIN Line Check VDD Check +3.3V_STBY LIne (C521, CN400 #14pin) R446 Voltage. (G board or LD2 board). C506 Voltage. And (only for AC-ADP model) Is the voltage >2.6V? 3.3V_DDCON (IC403) Is the voltage >3.0V? (only for AC-ADP model) (only for AC-ADP model)
  • Page 17 2018/08/13 23:26:25 (GMT+09:00) 1.2 No Power u-com Failure Previous page Check P_ON_#2 CL417 P-on ucom #pin13 Change IC401 is >3.0V? Check P_ON_HL CL414 P-on ucom #pin18 Change IC401 is >3.0V? Check ORESETB CL416 P-on ucom #pin14 Change IC401 Is the voltage >3.0V? Check X_SYSTEM_RST CL412 P-on ucom #pin20...
  • Page 18 2018/08/13 23:26:25 (GMT+09:00) 1.3 No Power - DDCON/LDO Check item summary Board IC Ref Voltage supply Output ref. Enable pin Enable source Fuse Vcc ref. +12V_MAIN (AC-ADP only) P-on ucom IC401 #pin10 IC402 +5.0V_VBUS/+5V_MAIN C430 R455 P-on ucom IC401 #pin13 F400 C423 +3.3V_STBY (AC-ADP only) IC403 C445...
  • Page 19 2018/08/13 23:26:25 (GMT+09:00) 1.3 No Power - DDCON/LDO DDCON check IC Ref Voltage supply START IC601 +1.5V_DDR Check IC402 Vcc Check Vcc voltage Check voltage Change D600 C602 D600 C423 Is voltage >3V? Is diode alive? Is voltage >12V? Check +3.3V_STBY. G* board or IC403 Check Vcc voltage Check C602...
  • Page 20 2018/08/13 23:26:25 (GMT+09:00) 1.3 No Power DDCON/LDO DDCONs check Please refer page-18 (if necessary) IC Ref Voltage supply START IC402 +5.0V_VBUS/+5V_MAIN +3.3V_STBY (AC-ADP only) Check fuse IC403 /+3.3V_MAIN F4xx F6xx Change Fuse Is fuse OK? IC405 +1.8V_TU/+1.8V_BE IC404 +1.0V_BE 1) Check POWER_ON P-on ucom #pin10 Check Vcc voltage IC409...
  • Page 21 2018/08/13 23:26:25 (GMT+09:00) 1.3 No Power DDCON/LDO LDOs check Please refer page-18 (if necessary) IC Ref Voltage supply START IC602 +1.05V_M2_STBY IC603 +1.05V_M2_A_1 Check +3.3V_DDC_OUT Check Vcc voltage DDCON (IC403) C6xx IC605 +1.05V_M2_ST_ET Is voltage >3V? +3.3V_STBY (G* board) IC606 +1.05V_M2_A_2 IC607 VCC3IO_EMMC (1.8V) Check Enable pin 1.2 No Power U-Com Failure...
  • Page 22 2018/08/13 23:26:25 (GMT+09:00) 1.4 NO POWER-Muffin2 Failure Muffin2 Fail Suspected Muffin2 LOG is Write DDR check Is there DDR error? Replace DDR displayed bootloader Power uCom and Check Muffin Log Follow 1.2 & 1.3 DDCON/LDO OK? related to eMMC Replace eMMC Is there “CRC error”? Crystal X1000 Replace crystal Is there 24MHz?
  • Page 23 2018/08/13 23:26:25 (GMT+09:00) 1.5 NO POWER-Muffin2 Replacement Muffin2 replacement flow Data on eMMC need to be erase first before changing Muffin eMMC erase If cannot be erased, erase after replacing Muffin Muffin2 replacement SW write (Supplementary information) SYS SET...
  • Page 24 2018/08/13 23:26:25 (GMT+09:00) 2.0 LED Blinking: 2x (Main power Error) BCH (AC adapter model) BCH (G-Board model) 2-time blinking 2-time blinking Check “+12V_MAIN” Check “+12V_MAIN” pin 11/13 of CN400 pin 11/13 of CN400 LD board G-Board on B-Board. on B-Board. Voltage > 13.2V ? Voltage >...
  • Page 25 2018/08/13 23:26:25 (GMT+09:00) Check point for BCH BCH (A side) Detail CN400 CN400 pin 11/13 “+12V_MAIN” SYS SET...
  • Page 26 2018/08/13 23:26:25 (GMT+09:00) 2.1 LED Blinking: 3x (DC Alert Error) 3-time blinking Check “+5.0V_VBUS” at C431 on B-Board. Audio Error 4.959V < Voltage < 5.285V ? IC402, etc (BCH Board) Detail of 3x LED Blinking Error Item Number of STBY LED flashing Description DC_ALERT Main board 5V power rail monitoring...
  • Page 27 2018/08/13 23:26:25 (GMT+09:00) Check point for BCH BCH (A side) Detail C431 “+5.0V_VBUS” at C431 (Supplementary information) SYS SET...
  • Page 28 2018/08/13 23:26:25 (GMT+09:00) 2.2 LED Blinking: 3x (Audio Error) LED 3x blinking (Audio Error) Replace (1) BCH-PWB G-PWB or LD2-PWB Finish VDD-GND short ? or AC Adapter Power Off (2) BCH-PWB Check +3.3V_Audio short ? Replace Measure the Speaker BCH-PWB Replace impedance by multi-meter Speaker Less than 3Ω...
  • Page 29 2018/08/13 23:26:25 (GMT+09:00) 2.2 LED Blinking: 3x (Audio Error) (1) VDD-GND short check (4) POWER_AU check BCH-PWB Measure impedance between VDD and GND at Measure voltage at capacitor C3244. voltage is < → NG capacitor C3244. impedance is <100Ω → NG (2) +3.3V_Audio short check Measure impedance between +3.3V and GND at R3242(1).
  • Page 30 2018/08/13 23:26:25 (GMT+09:00) 2.5 LED BLINKING: 5x (Panel ID Read Error) 5-times blinking Replace Replace BCH Board Panel (T-con) Symptom Symptom Check Replace recover recover “+12.5V_TCON” G/LD Board G/LD Board at R4447/R4424 on BCH BCH Board Panel (T-Con) Symptom recover Replace the Harness from G/LD Board Harness to BCH &...
  • Page 31 2018/08/13 23:26:25 (GMT+09:00) Check point for BCH Name Board PWB (A side) Detail R4447/R4424 (Supplementary information) SYS SET...
  • Page 32 2018/08/13 23:26:25 (GMT+09:00) 2.6 LED BLINKING: 6x (Panel Backlight Error) (Supplementary information) SYS SET...
  • Page 33 2018/08/13 23:26:25 (GMT+09:00) Check point for BCH LEDVCC1 R3004 CN2000 LEDVCC2 F2005 F2004 SYS SET...
  • Page 34 2018/08/13 23:26:25 (GMT+09:00) 2.7 LED BLINKING: 7x (Temperature Error) 7-time blinking Setting circumstance is OK? Set to another Temperature, location, etc. Ventilation, etc. Change B* Board, and Aging a few Panel hours Symptom improvement Check I2C_C bus communication OK? Temp sensor B* Board NG (check the next page) I2C_C bus dumping or...
  • Page 35 2018/08/13 23:26:25 (GMT+09:00) Check point for BCH BCH board (A side) Detail I2C0_SCL IC1200 (Temperature Sensor) I2C0_SDA (Supplementary information) SYS SET...
  • Page 36 2018/08/13 23:26:25 (GMT+09:00) 2.8 LED BLINKING: 8x (4KPQ/BE Error) 8-time blinking improvement Replace Retry BCH Board Symptom recover BCH Board SYS SET...
  • Page 37 2018/08/13 23:26:25 (GMT+09:00) 3.0 No Sound No Sound Without LED 3x No sound only Go to Analog RF and Digital RF ? 3.7 No Sound Tuner Select [External Inputs]→ AV receiver is connected [BRAVIA Sync Settings]→ to HDMI in ? [BRAVIA Sync Control]→[off] Go to No sound only HDMI ? 3.8 No Sound HDMI...
  • Page 38 2018/08/13 23:26:25 (GMT+09:00) 3.1 No Sound Audio No Sound Audio Go to Replace BCH 3.4 No Sound Power On Check Finish SYS SET...
  • Page 39 2018/08/13 23:26:25 (GMT+09:00) 3.3 No Sound Power Off Check Power Off Check From 2.2 Power Off Check From 3.0 (1) BCH-PWB Fuse(F3200) broken? Confirm the speaker harness Replace Speaker Harness Cut or shorted to the chassis ? (2) BCH-PWB PVDD-GND(C3244,C3273) short ? Measure the Speaker Replace impedance by multi-meter...
  • Page 40 2018/08/13 23:26:25 (GMT+09:00) 3.4 No Sound Power On Check Power On Check From 2.2/3.1 *Power_AU is same as PVDD (4) POWER_AU* check POWER_AU is supplied to BCH for a moment before LED 3x brinking? Replace G-PWB Finish OK ? Return to 2.2 SYS SET...
  • Page 41 2018/08/13 23:26:25 (GMT+09:00) 3.5 No Sound Audio HP/Audio out No Sound Audio HP/Audio out Replace BCH-PWB SYS SET...
  • Page 42 2018/08/13 23:26:25 (GMT+09:00) 3.7 NO SOUND: @ TUNER No Sound with normal picture Only RF tuner input? Please refer Audio Check IC1000 (SOC) troubleshooting SYS SET...
  • Page 43 2018/08/13 23:26:25 (GMT+09:00) 3.8 NO SOUND: HDMI 1/2/3/4 No Sound Check the picture Refer to 4.5 HDMI NO PICTURE Does this model have Connect Stereo minijack cable between Source and the TV, and Check the mode Analog Audio In Change “HDMI/DVI Audio Source” to Auto or Analog Audio In. of Source equipment (Stereo minijack)? HDMI...
  • Page 44 2018/08/13 23:26:25 (GMT+09:00) 4.0 No Picture No Picture Replace Check Smart Core Got Any Normal Replace Panel Behavior the V by One FFC Display? the main Board (T-CON) (Blinking) Harness Symptom Symptom improvement improvement 4x Blinking Check Other V by One FFC Main board NG Portion: Harness...
  • Page 45 2018/08/13 23:26:25 (GMT+09:00) 4.1: Video Analog Signal Path AT35:GPIO56 VIDEO_DET SCART Video/Component (Back) (Back) N35:SOY0 SCART_FB/COMP_Y M35:CVBS2P CVBS2P M38:Y0P SCART_SB/COMP_Y L38:PB0P SCART_SG/COMP_PB IC1000 L37:PR0P SCART_SR/COMP_PR A16:SD_CLK CR_DET SYS SET...
  • Page 46 2018/08/13 23:26:25 (GMT+09:00) 4.2: No Picture (BCH) Condition Actions to be taken No Picture Muffin [IC1000] Refer to IC troubleshooting Problem for further investigation CN2600 Connectivity Problem Change Connector J2600 Connectivity Problem Component No Picture Video No Picture Change Part Parts Broken Check J2600 Check if input OSD NG (Vpp: 0 V)
  • Page 47 2018/08/13 23:26:25 (GMT+09:00) 4.2: Input Skip function (BCH) Input Signal Non-Detect Detect (Typical) (Typical) Component VIDEO_DET 3.3V /Video IC1000 AT35-GPIO56 CR_DET 3.3V IC1000 A16-SD_CLK Component/Video Rear Except AEP SYS SET...
  • Page 48 2018/08/13 23:26:25 (GMT+09:00) 4.4 NO PICTURE TUNER RF input no picture / noisy picture Check RF source cable Change RF cable and antenna and antenna, OK? Check Tuner power line: 3.3V at JL2800 = 3.3V? Please refer DDCON 1.8V at JL2801 = 1.8V? troubleshooting A_RESET value at JL2807 = 3.3V? Check part mounting condition...
  • Page 49 2018/08/13 23:26:25 (GMT+09:00) 4.4 NO PICTURE TUNER From Previous page Digital Satellite Terrestrial/Cable Analog Check Tuner power line 12V at JL2822 = 12V? For TW, NA-ATSC(MX/UC), For AEP_W, JP , PA_T2, JP and LA-ISDB-T CH/HK, and LA-T2(COL) Refer Analog Tuning 12V LNB Voltage Checking Refer Digital Tuning 1 Refer Digital Tuning 2 SYS SET...
  • Page 50 2018/08/13 23:26:25 (GMT+09:00) 4.4 NO PICTURE TUNER BCH (Top View) For Tuner Power Lines 1.8V 3.3V BCH Tuner potion(Top View) For Tuner Power Lines JL2822 = 12V JL2801 = 1.8V JL2800 = 3.3V JL2807 = A_RESET:3.3V SYS SET...
  • Page 51 2018/08/13 23:26:25 (GMT+09:00) 4.4 NO PICTURE TUNER BCH (Top View) For Tuner I2C line R2800 R2801 C2803 C2804 R2804 R2805 SYS SET...
  • Page 52 2018/08/13 23:26:25 (GMT+09:00) 4.4 NO PICTURE TUNER FOR 12V LNB Voltage Checking: @ AEP_W and JP +12V_LNB Voltage Checking Check LNB power line Check P_ON_HL signal line MOSFET Check fuse F2800 +12V_MAIN at R495 = 12V? R451 (CL414) = 3.3V? Q408/Q409 broken Change the fuse AC adapter Please refer DDCON...
  • Page 53 2018/08/13 23:26:25 (GMT+09:00) 4.4 NO PICTURE TUNER BCH (Top View) 12V LNB Voltage line R451 CL414 +12V_MAIN R495 Q408 +12V_LNB F2800 Q409 SYS SET...
  • Page 54 2018/08/13 23:26:25 (GMT+09:00) 4.4 NO PICTURE TUNER FOR ANALOG TUNING: @ All destination except JP Notes: - Parts for IFOUT_N line : FB2801, C2807, C2826 - Parts for IFOUT_P line : FB2802, C2808, C2825 - Parts for IFAGC line : R2838, C2827 For LA-ISDB(BR/AR), LA-T2(COL) and TW only : Insert correct signal in correct terminal.
  • Page 55 2018/08/13 23:26:25 (GMT+09:00) 4.4 NO PICTURE TUNER FOR DIGITAL TUNNING 1: @ TW, NA-ATSC(MX/UC), JP and LA-ISDB-T. Notes: - Parts for IFOUT_N line : FB2801, C2807, C2826 - Parts for IFOUT_P line : FB2802, C2808, C2825 Digital Tuning 1 - Parts for IFAGC line : R2838, C2827 : Insert correct signal in correct terminal.
  • Page 56 2018/08/13 23:26:25 (GMT+09:00) 4.4 NO PICTURE TUNER BCH (Top View) IF & IFAGC line R2838 C2827 C2808 C2807 C2825 C2826 FB2802 FB2801 (Supplementary information) SYS SET...
  • Page 57 2018/08/13 23:26:25 (GMT+09:00) 4.4 NO PICTURE TUNER FOR DIGITAL TUNNING 2: @ AEP_W, JP, PA_T2, CH/HK, and LA-T2(COL) Digital Tuning 2 LA-T2(COL) For PA_T2 and For AEP-W For JP CH/HK Confirm ANT or Cable connection Confirm ANT or Satellite connection Confirm ANT or Satellite connection Terrestrial All except JP Digital cable/ Terrestrial...
  • Page 58 2018/08/13 23:26:25 (GMT+09:00) 4.4 NO PICTURE TUNER BCH (Top View) TS1 line R2845 R2847 R2846 R2844 (Under the heatsink) (Supplementary information) SYS SET...
  • Page 59 2018/08/13 23:26:25 (GMT+09:00) 4.5 NO PICTURE: HDMI 1 No Picture Check HDMI cable Change HDMI cable Check the below point at All lines NG Connector side Other Input is OK ・Check +5V line CL3642 Check other Replace ・Check HPD line CL3629 HDMI input CN3603 ・Check DDC lines CL3616/CL3617 ・Check TMDS lines...
  • Page 60 2018/08/13 23:26:25 (GMT+09:00) 4.5 NO PICTURE: HDMI 2 No Picture Check HDMI cable Change HDMI cable Check the below point at All lines NG Connector side Other Input is OK ・Check +5V line CL3643 Check other Replace ・Check HPD line CL3624 HDMI input CN3600 ・Check DDC lines CL3610/CL3611 ・Check TMDS lines...
  • Page 61 2018/08/13 23:26:25 (GMT+09:00) 4.5 NO PICTURE: HDMI 3 No Picture Check HDMI cable Change HDMI cable Check the below point at All lines NG Connector side Other Input is OK ・Check +5V line CL3644 Check other Replace ・Check HPD line CL3627 HDMI input CN3601 ・Check DDC lines CL3612/CL3613 ・Check TMDS lines...
  • Page 62 2018/08/13 23:26:25 (GMT+09:00) 4.5 NO PICTURE: HDMI 4 No Picture Check HDMIcable Change HDMIcable Check the below point at Connector side All lines NG Other Input is OK ・Check +5V line CL3645 Check other Replace ・Check HPD line CL3628 HDMI input CN3602 ・Check DDC lines CL3614/CL3615 ・Check TMDS lines All Inputs NG...
  • Page 63 2018/08/13 23:26:25 (GMT+09:00) 5.0 Key Switch Buttons Error Check harness connection between B- Harness connection issue Side key buttons error board and switch module Change harness between B-board to B-board to switch module switch module harness issue harness Change switch module Switch module issue Main device issue Change B-board SYS SET...
  • Page 64 2018/08/13 23:26:25 (GMT+09:00) 5.1 IR Remote Commander Error Check harness IR remote commander Harness connection connection between B- does not respond issue board and Smart Core Change harness B-board to Smart Core harness between B-board to issue Smart Core harness Change Smart Core Smart Core issue Change B-board Main device issue...
  • Page 65 2018/08/13 23:26:25 (GMT+09:00) 5.2 Light Sensor Error Setting is “ON” Check UI setting and Backlight level does not Check harness Harness connection change when ambient light make sure light sensor connection between B- issue changed setting is “ON” board and Smart Core Setting is “OFF”...
  • Page 66 2018/08/13 23:26:25 (GMT+09:00) 6.0 Network Malfunction: Ethernet (Wired) [Network Set-up] >[Wired Set-up] on the TV Connection Results Connection Results Connection Results B board Cable Connection Local Access Internet Access Failed Failed Failed Auto Check Proxy setting Wired Set-up Check cable B board Local router IP address setting DHCP server...
  • Page 67 2018/08/13 23:26:25 (GMT+09:00) 6.2 Wireless Network malfunction (1/2) 1) Internal Wireless Network malfunction Wireless Network on the TV Error message or no scan result Is the Wi-Fi radio appear in the network setting? strength too weak Bxx Board or even No signal? Check with another Hardware defect suspected.
  • Page 68 2018/08/13 23:26:25 (GMT+09:00) 6.2 Wireless Network malfunction (2/2) From previous page Check harness Connect properly connection is OK Loose harness between Wi-Fi/BT module and Bxx Change harness Check with between Bxx board Change Bxx board another Wi-Fi/BT and Wi-Fi/BT module module If Wi-Fi malfunction happens, •...
  • Page 69 2018/08/13 23:26:25 (GMT+09:00) 6.3 Bluetooth malfunction Voice Remote doesn’t work Bluetooth Mouse/Keyboard/Controller doesn’t work Bluetooth Speaker/Headphone/ doesn’t work Please refer Voice Remote manual Check BT antenna Home > Settings > Connection is OK Bluetooth Mouse/Keyboard/Controller Bluetooth Settings Can read Near discoverable Bluetooth Speaker/Headphone operation manual Bluetooth Device else Loose BT antenna...

  • Page 70: Service Adjustments

    2018/08/13 23:26:25 (GMT+09:00) SECTION 4 SERVICE ADJUSTMENT When finished the operation of service mode , please AC Plug OFF/ON the TV set *If you don’t do AC plug OFF/ON, remain the Service Mode App and user can see the Service Mode after RC ON. 4.1 How to Enter Service Mode From Standby Mode 1.
  • Page 71 2018/08/13 23:26:25 (GMT+09:00) 4.2 Software Version 1) In Service Mode, select “Model Information”, press “Enter” or → button to enter Status Information Main Micro Service Mode SW Version: PKG1.1.0.03.26.1.00.0 Model NVM Version: 0043 CEI Boot Version: Model Information >> V1.00000000 PQ Version: 02000001 Status Information Self diagnosis History...
  • Page 72 2018/08/13 23:26:25 (GMT+09:00) 4.3 Serial Number Edit (1) Service Mode In “Service Mode”, select “Model Information” by Model Information >> pressing “↑” or “↓” then pressing “Enter” or “→” Self diagnosis History >> Video / Audio >> button to enter inside. Panel / PQ >>...
  • Page 73 2018/08/13 23:26:25 (GMT+09:00) 4.3 Serial Number Edit (2) YES is selected, the input data is saved into EEPROM. Model SERIAL NUMBER EDIT is grayed out and the serial Status Information >> number that has been input is displayed. Operator will not able to edit anymore.
  • Page 74 2018/08/13 23:26:25 (GMT+09:00) 4.4 Model Number Setting 1) In “Service Mode”, select “Model Information” by pressing “↑” or “↓” then pressing “Enter” or “→” Service Mode Model button to enter inside. Model Information >> Status Information >> Self diagnosis History >> Model Information >>...
  • Page 75 2018/08/13 23:26:25 (GMT+09:00) 4.5 WB Adjustment (If necessary) In “Panel/PQ” service mode category by “↑” or “↓”. Go to “WB Adjustment” Adjustment”, press → button. To select “WB To change data , press “←” or “→” on remote commander. Panel / PQ Back <<...
  • Page 76 2018/08/13 23:26:25 (GMT+09:00) 4.6 WB/Mura/CUC data transfer Please apply Main board or panel is replaced. In “Panel/PQ” service mode category by “↑” or “↓”. Go to “WB/Mura/CUC data transfer” transfer”, press → button. To select “WB/Mura/CUC data To change data , press “←” or “→” on remote commander. Back <<...
  • Page 77 2018/08/13 23:26:25 (GMT+09:00) 4.7 HDD Performance Check (EU only) In “Service Mode”, select Service Mode General Setting “General Setting” by pressing “↑” or “↓” then pressing “Enter” Model Information >> Back << or “→” button to enter inside. Self diagnosis History >> Aging mode <[ ]>...
  • Page 78 2018/08/13 23:26:25 (GMT+09:00) 4.8 HDD Re-Register (EU only) In “Service Mode”, select “General Service Mode General Setting Setting” by pressing “↑” or “↓” then pressing “Enter” or “→” button to enter Model Information >> Back << Self diagnosis History >> Aging mode <[ ]>...
  • Page 79 2018/08/13 23:26:25 (GMT+09:00) USB Update 1:Download USB image and unzip file. 2: copy unzip file to USB memory root folder. 3: USB memory insert TV. 4-a:USB image is newer soft version. 4-b:USB image is not newer soft version. Automatically show message and start update. Automatically show message.

  • Page 80: Diagrams

    2018/08/13 23:26:25 (GMT+09:00) SECTION 5 DIAGRAMS 5.1 Block Diagram * depend on destinations Video signal RGBW LEDs Center Key Audio signal Light Sens. L/R Keys Control Bus IR Rx * IR In Panel BCH board SPI Flash * BCAS/CI 16Mibit Flash SPI Flash Vx1 16-lane Power Micro 32Mibit...
  • Page 81 2018/08/13 23:26:25 (GMT+09:00) 5.2 Connector Diagram 75” SYS SET...

  • Page 82: Panel And Tv Set Handling

    2018/08/13 23:26:25 (GMT+09:00) SECTION 6 PANEL and TV SET HANDLING 1. Unpacking Caution: Does not apply when vacuum handling jig is used. 1. Take out panel from carton box by 2 operators. 2. Take out panel vertically from carton box. And do not hit other panel. Hit the back panel.
  • Page 83 2018/08/13 23:26:25 (GMT+09:00) 1. Unpacking 3. Please make protection for remaining modules to avoid abnormal hitting when take out modules. Example: Protection board Protection board Protection board Front view Side view SYS SET...
  • Page 84 2018/08/13 23:26:25 (GMT+09:00) 1. Unpacking Caution: Does not apply when vacuum handling jig is used. 4. Do not hold or press O-Cell. SYS SET...
  • Page 85 2018/08/13 23:26:25 (GMT+09:00) 1. Unpacking Caution: Does not apply when vacuum handling jig is used. 5. Put on to table & remove the protection bag. Caution: To avoid hitting the center area of Plastic BEZEL bottom for smart core. Please prepare and use support cushion on both side as below. Support cushion L/R (Not supplied) SYS SET...
  • Page 86 2018/08/13 23:26:25 (GMT+09:00) 2. Carrying Caution: Does not apply when vacuum handling jig is used. 1. Carry panel vertically. 2. Do not hold or press O-Cell. SYS SET...
  • Page 87 2018/08/13 23:26:25 (GMT+09:00) 2. Carrying Caution: Does not apply when vacuum handling jig is used. 3. Hold panel by 2 people. 4. Do not hold the panel at the center area. SYS SET...
  • Page 88 2018/08/13 23:26:25 (GMT+09:00) 3. Placing on table Caution: Does not apply when vacuum handling jig is used. Holding corner 1. Put the Panel by 2 operators. 2. Put the Panel within one flat table surface. SYS SET...
  • Page 89 2018/08/13 23:26:25 (GMT+09:00) 4. Others 1. Do not press the panel during assembly and disassembly. 2. Do not touch Panel module without gloves. SYS SET...
  • Page 90 2018/08/13 23:26:25 (GMT+09:00) 4. Others 3. Do not grasp Source Shield. 4. Do not grasp the BC hook. 5. Do not grasp the T-CON Shield. SYS SET...
  • Page 91 2018/08/13 23:26:25 (GMT+09:00) Sony EMCS (Malaysia) Sdn. Bhd. English RDCM 9-888-757-01 © 2018.08 SYS SET...
  • Page 92 2018/08/13 23:13:12 (GMT+09:00) HISTORY INFORMATION FOR THE FOLLOWING MANUAL: SERVICE MANUAL (UNIQUE) GN4TR CHASSIS ORIGINAL MANUAL ISSUE DATE: 08/2018 Segment : CHML Version Date Subject 08/2018 Issue LCD TV 9-888-757-A1 For SM - Common , please refer : 9-888-757-01 SYS SET...
  • Page 93 2018/08/13 23:13:12 (GMT+09:00) SERVICE MANUAL (UNIQUE) GN4TR CHASSIS Segment : CHML LCD TV SYS SET...
  • Page 94 2018/08/13 23:13:12 (GMT+09:00) MODEL LIST MODEL REMOTE DESTINATION KD-75X780F RMF-TX310U UC2, LA1 SYS SET...
  • Page 95 2018/08/13 23:13:12 (GMT+09:00) TABLE OF CONTENTS Section Title Page DISASSEMBLY AND REMOVAL CAUTION 1-1. Rear Cover Disassemble and Re-Assemble Method DIAGRAMS 2-1. Circuit Board Location 2-2. Wire Dressing EXPLODED VIEWS AND PARTS LIST 3-1. KD-75X780F 3.2. Smart Core Please refer Service Manual – Common for below information ...

  • Page 96: Rear Cover Disassemble And Re-Assemble Method

    2018/08/13 23:13:12 (GMT+09:00) SECTION 1 DISASSEMBLY AND REMOVAL CAUTION 1-1. Rear Cover Disassemble and Re-Assemble Method CHML 75” Rear Cover Disassemble Method 1. Remove the screw of Rear Cover and 2. Pull up at Reflector area on Rear Cover. remove AC-Cover/AC-cord. (unhook on Rear Cover at side jack area) AC COVER SYS SET...
  • Page 97 2018/08/13 23:13:12 (GMT+09:00) 3. Pushing on SP area and lift up Rear Cover. SYS SET...
  • Page 98 2018/08/13 23:13:12 (GMT+09:00) 4. If difficult disassemble, please push Rear Cover below area. *except Hi-gloss area CHML75 Hook position Push area Push position Nearly hook area. Center Right Recess Left SYS SET...
  • Page 99 2018/08/13 23:13:12 (GMT+09:00) Rear Cover Re-assemble Method 1. To hook at top hook. 2. Pull down at Rear Cover. Please check assemble condition. Check SYS SET...
  • Page 100 2018/08/13 23:13:12 (GMT+09:00) 3. Push Rear Cover at Side jack area. Ｖｉｓｉｂｌｅ Check After push, please check gap at side recess. Hook condition Rear Cover pushing area 4position SYS SET...
  • Page 101 2018/08/13 23:13:12 (GMT+09:00) 4. Fix the screw of Rear Cover and AC-Cover/AC-cord. AC COVER SYS SET...

  • Page 102: Diagrams

    2018/08/13 23:13:12 (GMT+09:00) SECTION 2 DIAGRAMS 2-1 Circuit Board Location 75” SILICON TUNER SWITCH UNIT GL86 BOARD WLAN/BT MODULE BCH BOARD Smart Core HCAL BOARD SYS SET...

  • Page 103: Wire Dressing

    2018/08/13 23:13:12 (GMT+09:00) 2-2 Wire Dressing : 75” CONNECT Overall View CONNECT 51P Overall View SYS SET...
  • Page 104 2018/08/13 23:13:12 (GMT+09:00) 2-2 Wire Dressing : 75” TAPE Overall View CONNECT 41P Overall View SYS SET...
  • Page 105 2018/08/13 23:13:12 (GMT+09:00) 2-2 Wire Dressing : 75” TAPE Overall View CONNECT Overall View SYS SET...
  • Page 106 2018/08/13 23:13:12 (GMT+09:00) 2-2 Wire Dressing : 75” WIRE DRESSING Overall View WIRE DRESSING CONNECT Overall View Overall View SYS SET...
  • Page 107 2018/08/13 23:13:12 (GMT+09:00) 2-2 Wire Dressing : 75” CONNECT INFORMATION Overall View INFORMATION CONNECT Overall View SYS SET...
  • Page 108 2018/08/13 23:13:12 (GMT+09:00) 2-2 Wire Dressing : 75” CONNECT Overall View CONNECT Overall View SYS SET...
  • Page 109 2018/08/13 23:13:12 (GMT+09:00) 2-2 Wire Dressing : 75” WIRE DRESSING Overall View CONNECT Overall View SYS SET...
  • Page 110 2018/08/13 23:13:12 (GMT+09:00) 2-2 Wire Dressing : 75” WIRE DRESSING Overall View WIRE DRESSING Overall View SYS SET...
  • Page 111 2018/08/13 23:13:12 (GMT+09:00) 2-2 Wire Dressing : 75” WIRE DRESSING Overall View WIRE DRESSING Overall View SYS SET...
  • Page 112 2018/08/13 23:13:12 (GMT+09:00) 2-2 Wire Dressing : 75” WIRE DRESSING Overall View CONNECT Overall View SYS SET...
  • Page 113 2018/08/13 23:13:12 (GMT+09:00) 2-2 Wire Dressing : 75” TAPE Overall View WIRE DRESSING Overall View SYS SET...
  • Page 114 2018/08/13 23:13:12 (GMT+09:00) 2-2 Wire Dressing : 75” TAPE TAPE Overall View Overall View TAPE Overall View SYS SET...
  • Page 115 2018/08/13 23:13:12 (GMT+09:00) 2-2 Wire Dressing : 75” TAPE Overall View WIRE DRESSING CONNECT WIRE DRESSING Overall View SYS SET...

  • Page 116: Exploded Views And Parts List

    2018/08/13 23:13:12 (GMT+09:00) SECTION 3 EXPLODED VIEWS AND PARTS LIST  (*) 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 117 2018/08/13 23:13:12 (GMT+09:00) 3-1. KD-75X780F Disassembly, Exploded View KD-75X780F REF. NO. PART NO. DESCRIPTION 4-731-366-01 LABEL, REAR TERMINAL (HRH) • • 4-731-521-01 LABEL, SIDE TERMINAL (HRH) • 4-731-521-11 LABEL, SIDE TERMINAL (HRH) • 4-297-989-41 AC COVER • • 1-849-274-11 POWER-SUPPLY CORD (WITH CONN.) •...
  • Page 118 2018/08/13 23:13:12 (GMT+09:00) 3-1. KD-75X780F Screws Q’ty Torque UC only SCREW M3X3.0 STEP 4-579-926-01 0.4 ± 0.05 [N・m] SCREW, +PSW M5X12 2-580-607-01 SCREW, ORNAMENTAL 4-268-126-02 1.2 ± 0.1 [N・m] M6X12 SCREW, +PSW M3X6 4-472-518-11 14 (UC only 16) 0.4 ± 0.05 [N・m] SCREW, +PSW M3X6 W12 4-256-393-12 0.4 ±...
  • Page 119 2018/08/13 23:13:12 (GMT+09:00) 3-1. KD-75X780F Connectors REF. NO. PART NO. DESCRIPTION REMARKS 1-910-113-68 HARNESS ASSY (MAIN) CN1000(BCH)-KEY-WIFI-CN001(HCA)-CN3201(BCH)-CN1002(BCH)-SP(1) 1-910-113-69 HARNESS ASSY (PWR) CN400(BCH)-CN6401(GL86)-CON3(TCON)(1) 1-912-402-11 FLEXIBLE FLAT CABLE 41P CCN4400(BCH)-U2(TCON)(1) 1-912-397-11 FLEXIBLE FLAT CABLE 51P CN4401(BCH)-U1(TCON)(1) SYS SET...
  • Page 120 2018/08/13 23:13:12 (GMT+09:00) 3-1. KD-75X780F Other parts KD-75X780F PART NO. DESCRIPTION 4-535-064-14 ASSY,FALL LOCK,BELT LL • • *7-600-040-44 ADHESIVE (SV380C) 333CC GRY • • BAG, SCREW A (CCT) (*Includes SCREW, +PSW M5X12 4-462-871-03 • • 2-580-607-01 (4pcs)) 1-493-452-11 REMOTE COMMANDER (RMF-TX310U) • •...

  • Page 121: Smart Core

    2018/08/13 23:13:12 (GMT+09:00) 3-2. Smart Core REF.NO. PART NO. DESCRIPTION 4-596-104-04 COVER, TOP (FRE) 4-596-101-21 PANEL, ORNAMENT (FRE) 4-596-102-01 GUIDE, LIGHT (FRE) A-2199-646-A HCAL_M2_PONR MOUNT 4-686-122-03 CASE, BOTTOM (SBT) SYS SET...
  • Page 122 2018/08/13 23:13:12 (GMT+09:00) Sony EMCS (Malaysia) Sdn. Bhd. English RDCM 9-888-757-A1 © 2018.08 SYS SET...

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