Toshiba 20HLV86S Service Manual
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Toshiba 20HLV86S Service Manual

Toshiba 20HLV86S Service Manual

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FILE NO. 810-200669GR
REVISED:01
SERVICE MANUAL
LCD TV/DVD COMBINATION
20HLV86S
The above model is classified as a green product (*1), as indicated by the underlined serial number.
This Service Manual describes replacement parts for the green product. When repairing this green
product, use the part(s) described in this manual and lead-free solder (*2).
For (*1) and (*2), see the next page.
DOCUMENT CREATED IN JAPAN, Aug., 2006 GREEN

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  • Page 1 REVISED:01 SERVICE MANUAL LCD TV/DVD COMBINATION 20HLV86S The above model is classified as a green product (*1), as indicated by the underlined serial number. This Service Manual describes replacement parts for the green product. When repairing this green product, use the part(s) described in this manual and lead-free solder (*2).
  • Page 2 Hazardous Substances. From July 1, 2006, the RoHS Directive will prohibit any marketing of new products containing the restricted substances. Increasing attention is given to issues related to the global environmental. Toshiba Corporation recognizes environmental protection as a key management tasks, and is doing its utmost to enhance and improve the quality and scope of its environmental activities.

  • Page 3: Caution

    CAUTION THIS LCD COLOR TELEVISION EMPLOYS A LASER SYSTEM. TO ENSURE PROPER USE OF THIS PRODUCT, PLEASE READ THIS SERVICE MANUAL CARE- FULLY AND RETAIN FOR FUTURE REFERENCE. SHOULD THE UNIT REQUIRE MAINTENANCE, CONTACT AN AUTHORIZED SERVICE LOCATION-SEE SERVICE PROCEDURE. USE OF CONTROLS, ADJUSTMENTS OR THE PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.

  • Page 4: Important Service Safety Information

    IMPORTANT SERVICE SAFETY INFORMATION Safety precautions to be followed during servicing: Parts marked with an are critical parts for safety. Replace only with the one described in the parts list. Before returning the DVD product to the customer, make the appropriate leakage current check or resistance measurements to ensure that exposed parts are properly insulated from the supply circuit.

  • Page 5: Important Safeguards

    IMPORTANT SAFEGUARDS READ INSTRUCTIONS All the safety and operating instructions should be read before the unit is operated. RETAIN INSTRUCTIONS The safety and operating instructions should be retained for future reference. HEED WARNINGS All warnings on the unit and in the operating instructions should be adhered to. FOLLOW INSTRUCTIONS All operating and use instructions should be followed.
  • Page 6 IMPORTANT SAFEGUARDS (CONTINUED) OUTDOOR ANTENNA GROUNDING If an outside antenna or cable system is connected to the unit, be sure the antenna or cable system is grounded so as to provide some protection against voltage surges and built-up static charges. Section 810 of the National Electrical Code, ANSI/NFPA 70, provides information with respect to proper grounding of the mast and supporting structure, grounding of the lead-in wire to an antenna discharge unit, size of grounding conductors, location of antenna discharge unit, connection to grounding electrodes, and requirements for the grounding electrode.
  • Page 7 EXAMPLE OF ANTENNA GROUNDING AS PER THE NATIONAL ELECTRICAL CODE ANTENNA LEAD IN WIRE GROUND CLAMP ANTENNA DISCHARGE UNIT (NEC SECTION 810-20) ELECTRIC SERVICE EQUIPMENT GROUNDING CONDUCTORS (NEC SECTION 810-21) GROUND CLAMPS POWER SERVICE GROUNDING NEC-NATIONAL ELECTRICAL CODE ELECTRODE SYSTEM (NEC ART 250, PART H) S2898A A1-5...

  • Page 8: When Replacing Dvd Deck

    WHEN REPLACING DVD DECK [ When removing the DVD Deck ] Before removing Pick Up PCB and DVD PCB connector, the short circuit the position shown in Fig. 1 using a soldering iron. If you remove the DVD Deck with no soldering, the Laser may be damaged. [ When installing the DVD Deck ] Remove all the soldering on the short circuit position after the connection of Pick Up PCB and DVD PCB connector.

  • Page 9: Table Of Contents

    TABLE OF CONTENTS CAUTION ........................A1-1 IMPORTANT SERVICE SAFETY INFORMATION ............. A1-2 IMPORTANT SAFEGUARDS ..................A1-3~A1-5 WHEN REPLACING DVD DECK ................A1-6 TABLE OF CONTENTS ....................A2-1 GENERAL SPECIFICATIONS ..................A3-1~A3-5 DISASSEMBLY INSTRUCTIONS 1.REMOVAL OF MECHANICAL PARTS AND P.C. BOARDS ........ B1-1~B1-4 2.REMOVAL AND INSTALLATION OF FLAT PACKAGE IC ........

  • Page 10: General Specifications

    GENERAL SPECIFICATIONS LCD Size / Visual Size 20.04 inch / 508.9mmV System LCD Type Color TFT LCD Number of Pixels 1366(H) x 768(V) View Range Left/Right 80/80 degree Up/Down 80/60 degree Color System NTSC Speaker 2 Speaker Position Front Size 1.8 x 3.9 inch Impedance 8 ohm...
  • Page 11 Timer Back-up (at Power Off Mode) more than G-10 Remote Unit RC-LT Control Glow in Dark Remocon Remocon Format TOSHIBA Format TOSHIBA Custom Code 40-BF h ,44-BB h ,45-BA h ,45-BC h Power Source Voltage(D.C) UM size x pcs UM-4 x 2 pcs...
  • Page 12 GENERAL S P ECIFICATIONS G-11 Featu r es Auto Shut Off ( T V) Auto Search Power On Memory Comb Filter Game Position Auto Setup(Language/CH Program) Picture Setting(TV) Mode(Picture Preference) Brightness , Contrast , Color Tint Sharpness Color Temperature Cable Clear Picture Setting(PC) BRIGHTNESS , CONTRAST HOR POSITION , VER POSITION...
  • Page 13 GENERAL SPECIFICATIONS Features Tray Lock (DVD) Video CD Playback SVCD Playback Overlay Graphics And Text Command List Entry Point Jump MP3 Playback Divx Playback DMF Support JPEG Digital Out (Dolby Digital) (MPEG) (PCM) (DTS) Down Mix Out (Dolby Digital) (DTS) Closed Caption Screen Saver Audio DAC...
  • Page 14 Container Stuffing (40' container) Sets G-17 Material Cabinet Front PS 94V0 DECABROM Rear PS 94V0 DECABROM Non-Halogen Demand Eyelet Demand G-18 Environment Environmental standard requirement (by buyer) Green PROCUREMENT of TOSHIBA Pb-Free Phase 3 (Phase 3A) Measures for Whisker A3-5...

  • Page 15: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS 1-3: BACK CABINET (Refer to Fig. 1-3) 1. REMOVAL OF MECHANICAL PARTS AND P.C. BOARDS Remove the 2 screws Remove the DVD Shield in the direction of arrow (A). 1-1: HANDLE/BACK COVER (Refer to Fig. 1-1) Remove the 4 screws Remove the 4 screws 4.
  • Page 16 DI S ASSE M BL Y I N S TRUCTI O N S 1-5: MAI N PCB (Refer to Fig. 1-5) 1-7: RE M O C O N PCB / O P E R ATI O N PCB (Refer to Fig. 1-7) Remove the 2 screws Remove the 2 screws Remove the Back Plate B in the direction of arrow (A).
  • Page 17 DISASSEMBLY INSTRUCTIONS 1-9: DECODER PCB (Refer to Fig. 1-9) Remove the 4 screws Remove the DVD Bracket in the direction of arrow (A). Remove the 4 screws Remove the Decoder PCB Cover in the direction of arrow (B). Disconnect the following connectors: (AH301898, AH301899, AH301900, AH301901).

  • Page 18: Removal And Installation Of Flat Package Ic

    DISASSEMBLY INSTRUCTIONS 2. REMOVAL AND INSTALLATION OF FLAT 3. When IC starts moving back and forth easily after desoldering completely, pickup the corner of the IC using PACKAGE IC a tweezers and remove the IC by moving with the IC REMOVAL desoldering machine.
  • Page 19 DISASSEMBLY INSTRUCTIONS INSTALLATION 4. When bridge-soldering between terminals and/or the soldering amount are not enough, resolder using a Thin- 1. Take care of the polarity of new IC and then install the tip Soldering Iron. (Refer to Fig. 2-8.) new IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily.

  • Page 20: Isp Instruction

    ISP INSTRUCTION 1. Connect one end of the Jig to the LPT jack of the computer, and the other 9. Unselect "Program" and "Verify", click "Run" (Refer to Fig. 6). end to the VGA connector PC at the side of the TV. 2.

  • Page 21: Re-Write For Dvd Firmware

    RE-WRITE FOR DVD FIRMWARE Turn on the power, and set the DVD mode. Confirm that the "OPEN" will be appeared on the screen. Insert the Up-Date Disc. Automatic read will start and "Upgrade file detected, Upgrade? Press PLAY key to start" will be displayed on the screen.

  • Page 22: When Replacing Eeprom (Memory) Ic

    WHEN REPLACING EEPROM (MEMORY) IC CONFIRMATION OF INITIAL DATA Turn POWER on. Press "up+ down + left + right + menu + enter" on the remote control in turn to enter Factory mode as FIG 1. FACTORY MENU SOURCE ANTE01tream HD ADC ADJ COLOR TEMP EEPROM...
  • Page 23 ELECTRICAL ADJUSTMENTS 1. ADJUSTMENT PROCEDURE Press "up+ down + left + right + menu + enter" on the remote control in turn to enter Factory mode as FIG 1-1. FACTORY MENU SOURCE ANTE01tream HD ADC ADJ COLOR TEMP EEPROM ADDR . DATA SAVE VERSION :...

  • Page 24: Electrical Adjustments

    ELECTRICAL ADJUSTMENTS 2. WHITE BALANCE ADJUSTMENT Press "up+ down + left + right + menu + enter" on the remote control in turn to enter Factory mode as FIG 2-1. FACTORY MENU SOURCE COLORStream HD ADC ADJ COLOR TEMP EEPROM ADDR .
  • Page 25 AH301815 AH301810 XS002...
  • Page 26 TROUBLESHOOTING GUIDE No w o rk / LED is of f Check if pow e r Replace pow e r connection connection isnormal Check if v o ltage of Replace Pow e r PCB Pow e r PCB CZ3, CZ4 is normal Replace f u se and eliminate short Check if f u se F1 is normal or open situation...

  • Page 27: Troubleshooting Guide

    TROUBLESHOOTING GUIDE No w o rk / LED is red Check if RMC Replace RMC PCB PCB is normal Check if v o ltage of Replace N9 or N4 or U8 N9,N4,U8 is normal Replace Main PCB...
  • Page 28 TROUBLESHOOTING GUIDE No Picture / LED is blue Check the pow e r and Check if v o ltage of HV Check if back l ight is normal control signal of XP5 Replace Main PCB pow e r PCB U1,U2 is normal in main PCB is normal Replace HV pow e r PCB Check if connector...
  • Page 29 TROUBLESHOOTING GUIDE No CVBS/SVIDEO Picture Check if SVIDEO/CVBS Replace Input PCB signal of U3 is normal Check if SVIDEO/CVBS Replace connec w i re signal of U9 pin54,53 is normal Replace Main PCB No HDMI Check if signal of Replace connection JN2 is normal Check if v o ltage of Replace U35 or U14...
  • Page 30 TROUBLESHOOTING GUIDE No DVD picture Check if v o ltage of Replace Main PCB XP7 pin 15 is normal Check if signal of Replace DVD ass' y XP7 pin 6,7,8 is normal Replace Main PCB...
  • Page 31 TROUBLESHOOTING GUIDE No VGA picture Check if signal of JN4 Replace connection pin 1,2,3,12,13,15 is normal Check if v o latge of Replace N9 U16 pin 8 is normal Check if signal of Replace Main PCB U9 pin 16~ 2 8 is normal Check if v o latge of Replace N9 U16 pin 8 is normal...
  • Page 32 TROUBLESHOOTING GUIDE No AV1/AV2 audio Check if signal of XP8 Replace connection pin 5,7,11,13 is normal Check if signal of Replace U9 U9 pin 85,86 is normal Check if signal of Replace U2 U2 pin 1,7 is normal Check if signal of U1 pin 16,17,20,21 Replace U1 40,41,44,45 is normal...
  • Page 33 TROUBLESHOOTING GUIDE No PC/HDMI audio Check if signal of U19 Replace U19 pin 3,13 is normal Check if signal of Replace U9 U9 pin 85,86 is normal Check if signal of Replace U2 U2 pin 1,7 is normal Check if signal of U1 pin 16,17,20,21 Replace U1 40,41,44,45 is normal...
  • Page 34 TROUBLESHOOTING GUIDE No DVD audio Check if signal of XP7 Replace DVD ass' y pin 12,13 is normal Check if signal of Replace U9 U9 pin 85,86 is normal Check if signal of Replace U2 U2 pin 1,7 is normal Check if signal of U1 pin 16,17,20,21 Replace U1...

  • Page 36: Dvd

    REPLACEMENT PARTS LIST Location TSB P/N Reference No. Description Q'ty AH302023 eb44523u BACK COVER AH302024 eb44527u HANDLE AH302025 eb44512up BACK PANEL AH301860 eb44540 JACK SHEET A AH301861 eb44541 JACK SHEET B eb44542 JACK SHEET C AH301862 AH301842 eb44521 CORD HOLDER (left) AH302035 es12693 LABEL without serial No.
  • Page 37 RC-LT010(DC-LWB1) REMOTE CONTROL AH301805 AH301806 es14314 20HLV16S PRODUCT REGISTRATION CARD AH301885 es14312 20HLV16S STOP CARD AH301886 es15145qss 20HLV86S OWNER MANUAL( ENGLISH) AH301887 es15145qssa 20HLV86S OWNER MANUAL (FRENCE) AH301809 es2701 7# BATTERY AH301889 eb31003 OWNER MANUAL BAG eb44535 LAMIFILM BAG...
  • Page 38 Location TSB P/N Reference No. Description Q'ty AH301899 es3139 FFC CC-1.0X16X250 AH301900 es3534 FFC CC-1.0X16X70 AH301901 es3904 FFC CC-0.5X24X120 AH302048 e25049 20HLV upgrade tool kit...
  • Page 39 TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...

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