Sony KDL-42W805A Repair Manual

Sony KDL-42W805A Repair Manual

Lcd digital color tv
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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
REPAIR MANUAL
Version
Date
1.0
04/11/2013
2.0
12/11/2013
KDL-42W805A
Subject
Original Manual Release Date.
Updated Section 2 - Troubleshooting. Added page 12.
Updated Section 3 - Repair Information. Replaced pages 13 and 16.
RB1G
MODEL
COMMANDER
KDL-42W805A
RM-YD088
KDL-47W805A
RM-YD088
Self Diagnosis
Supported model
Chassis
Segment: MW
DESTINATION
BRAZIL
BRAZIL
LCD Digital Color TV
9-883-519-02

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Summary of Contents for Sony KDL-42W805A

  • Page 1 Self Diagnosis Supported model HISTORY INFORMATION FOR THE FOLLOWING MANUAL: REPAIR MANUAL RB1G Chassis Segment: MW MODEL COMMANDER DESTINATION KDL-42W805A RM-YD088 BRAZIL KDL-47W805A RM-YD088 BRAZIL KDL-42W805A Version Date Subject 04/11/2013 Original Manual Release Date. 12/11/2013 Updated Section 2 - Troubleshooting. Added page 12.
  • Page 2: Table Of Contents

    Removing the Rear Cover ...................13 Checking the Accessories..................1 Replacing the Main Board ................14 Board Layout ....................2 Replacing the Power Supply Board .............17 KDL-42W805A .......................2 Replacing the Switch Unit ................17 KDL-47W805A .......................2 Smart Core Block....................2 Removing the Speakers ................17 Wire Dressing ....................3 Removing the Smart Core Block ..............18...
  • Page 3: Cautions And Warnings

    0.5 mA (500 microamperes). Leakage current can be measured by any one of three methods. A commercial leakage tester. Follow the manufacturers’ instructions provided with the tester. A battery-operated AC milliammeter. KDL-42W805A/47W805A...
  • Page 4 Try both slots, if necessary, to locate the hot side on the line; the lamp should light at normal brilliance if the screw is at ground potential. (see Figure B) Trouble Light AC Outlet Box Figure B. Checking for earth ground. KDL-42W805A/47W805A...
  • Page 5: Section 1 - Specifications And Layouts

    SECTION 1 - SPECIFICATIONS AND LAYOUTS SPECIFICATIONS Nome do Modelo KDL-47W805A KDL-42W805A Sistema Alimentação e Outros Sistema de Televisão Analógico: NTSC/PAL-M/PAL-N Digital: SBTVD Requisitos de Alimentação 110-240 V AC, 60 Hz Consumo de em uso 128 W 116 W Cobertura de Canais...
  • Page 6: Board Layout

    SECTION 1 - SPECIFICATIONS AND LAYOUTS BOARD LAYOUT KDL-42W805A SMART CORE BLOCK WLAN POWER SUPPLY MAIN BOARD MODULE BOARD (GL2E) (BA2S) HIR BOARD SWITCH HSC BOARD UNIT TCON BLUETOOTH MODULE SMART CORE BLOCK KDL-47W805A POWER SUPPLY MAIN BOARD BOARD (GL2E)
  • Page 7: Wire Dressing

    SECTION 1 - SPECIFICATIONS AND LAYOUTS WIRE DRESSING KDL-42W805A/47W805A SMART CORE BLOCK KDL-42W805A/47W805A...
  • Page 8: Section 2 - Troubleshooting

    Total operation time by hour (MAX:65535) Total operation time by hour (MAX:65535) *Format of Error History = YYMMDDhhmmss example 120123132522= Jan 23, 2012 13:25:22 (1:25:22PM) NOTE: date and time must be set for this to work SAMPLE SELF CHECK DIAGNOSIS PAGE KDL-42W805A/47W805A...
  • Page 9: Triage Chart

     TCON ▲  SERVICE BULLETIN   SOFWARE UPDATE  WLAN *NOTE: REFER TO LCD PANEL SERVICE MANUAL IN * Immediate Shutdown After Power ON & 7X REFERENCE LIBRARY DATABASE FOR CORRECT REPLACEMENT PARTS BASED ON SERIAL NUMBER. KDL-42W805A/47W805A...
  • Page 10: Flowcharts And Diagrams

    HP/LINE OUT IC 9000 DECODER HDMI 1 VIDEO HDMI PROCESS HDMI 2 SWITCH HDMI 3 HDMI 4 LVDS ETHERNET TCON PANEL LCD BA2S SMART CORE IR RX SWITCH UNIT OPTICAL BLUETOOTH WIFI SENSE USB PORT AC IN POWER SUPPLY GL2E KDL-42W805A/47W805A...
  • Page 11: Power And Control Block Diagram

    GND (AU) 7, 9 BLINKING REG 12V 8, 10 REG 12V (AU) BL_ON 11, 13, 14 DIGITAL_STBY 10~12 REG 12V (PANEL) 13~17 REG 12V DIGITAL_STBY 21, 22 BL_ON STBY 3.3V BLINKING AC OFF DET BL_ERR PWM_DIMMER POWER_ON DC_DIMMER BA2S GL2E KDL-42W805A/47W805A...
  • Page 12: No Power Flowchart

    See Stanby High (3.3V) Power Supply Is Standby LED Power Supply LED Blinking appears Board* blinking? Board* Flowchart momentarily? Power Supply Main Board* Board* *For Part Number information, refer to “Section 4 - Exploded View/Part Number Information” on page KDL-42W805A/47W805A...
  • Page 13: Standby Led Blinking Flowchart

    Board* See Triage Chart HEM3 Board Main Board* After a while Check ventilation Imediately TCON* Power Supply LCD Panel* Main Board* (LCD Panel) Board* *For Part Number information, refer to “Section 4 - Exploded View/Part Number Information” on page KDL-42W805A/47W805A...
  • Page 14: No Video Flowchart

    Locate Backlights CN2 on Zero volts at Zero volts at LCD Panel* turned on? Power Supply Pin 2? Pin 4? Board. Sony logo TCON* Main Board* appears Main Board* (LCD Panel) momentarily? Unplug LVDS connector with Test patterns TCON* unit off. Turn unit...
  • Page 15: Video Distortion Flowchart

    Main Board* (LCD Panel) Any horizontal LCD Panel* lines? Any single or LCD Panel* isolated vertical lines? More than 1 TCON* vertical band? (LCD Panel) *For Part Number information, refer to “Section 4 - Exploded View/Part Number Information” on page KDL-42W805A/47W805A...
  • Page 16: No 3D Viewing

    “Simulated 3D”. Double images Main Board* displayed on screen? View image with Double images Passive 3D Passive 3D become one? Glasses Glasses. 3D OK *For Part Number information, refer to “Section 4 - Exploded View/Part Number Information” on page KDL-42W805A/47W805A...
  • Page 17: Section 3 - Repair Information

    1. Remove 4 screws from Table-Top Stand and pull down as shown to detach from Rear Cover. HOLD 3. Grasp the AC Cover opening and the bottom right side of the Rear Cover, then carefully pull upwards to detach. KDL-42W805A/47W805A...
  • Page 18: Replacing The Main Board

    1. Press down the 2 locking clips and pull LVDS cable to release. 7. Update the Software. After ALL repairs UPDATE the SOFTWARE to the latest version. Instructions are included with the Software package on the Sony 2. Disconnect remaining connectors. Authorized website.
  • Page 19 SBTVD-T_BASE 001 DEST 002 MODEL 002 MODELNAME KDL-42W805A CAUTION: If the incorrect Destination Data Value is selected, it may WRITE corrupt the Sofware requiring a Main Board replacement. 17. Locate the Serial Number for the TV on the side of the Rear Cover.
  • Page 20 104 STBY_WDT --------------------- --------------------- --------------------- 00 00345 000333 06789 c. To clear the error history and error count press d. Press to exit Self Check Mode. POWER 24. Cycle AC Power (Unplug and plug AC Cord from the outlet). KDL-42W805A/47W805A...
  • Page 21: Replacing The Power Supply Board

    4. Update the Software. After ALL repairs UPDATE the SOFTWARE to the latest version. Instructions are included with the Software package on the Sony Authorized website. a. Insert the USB device with the latest Software into one of the TVs’...
  • Page 22: Removing The Smart Core Block

    3. Disconnect 2 connectors from the Smart Core Block. 8. Remove HIR, Wi-Fi PWB Board and BT Module. 4. Grasp Smart Core Block as shown, then twist it downwards to release. WIFI PWB HIR, BOARD BT, MODULE 9. Release 2 hooks from HSC Board and detach. BOARD KDL-42W805A/47W805A...
  • Page 23: Section 4 - Exploded View/Part Number Information

    AC COVER 1-846-001-11 POWER SUPPLY CORD 4-262-708-04 CLAMPER, CABLE A-1920-736-A STAND HEAD NECK A-1923-995-A STAND, BASE 4-449-086-31 LABEL, UNDER TERMINAL 4-449-201-31 LABEL, SIDE TERMINAL 4-444-461-02 REAR COVER (42) (KDL-42W805A ONLY) 4-449-323-02 REAR COVER (47) (KDL-47W805A ONLY) 4-297-468-01 BRACKET, VESA KDL-42W805A/47W805A...
  • Page 24 REF. NO. PART NO. DESCRIPTION A-1927-707-A GL2E BOARD, COMPLETE 4-439-644-11 SHEET, INSULATION (GL2) (KDL-42W805A ONLY) ORDER THIS PART WHEN REPLACING THE LCD PANEL. 4-439-644-01 SHEET, INSULATION (GL2) (KDL-47W805A ONLY) ORDER THIS PART WHEN REPLACING THE LCD PANEL. 1-858-861-21 SPEAKER BOX (RIGHT)
  • Page 25: Smart Core Block

    Replace only with part number specified. REF. NO. PART NO. DESCRIPTION 4-449-080-01 LID, SC 1-492-076-11 WLAN MODULE A-1930-359-B HSC BOARD, MOUNTED 1-492-062-11 BLUETOOTH MODULE 4-451-770-02 CASE, SC A-1930-362-A HIR BOARD, MOUNTED 4-440-734-01 GASKET (B) 4-440-733-01 GASKET (W) 4-438-006-12 PANEL ORNAMENT, SC KDL-42W805A/47W805A...
  • Page 26: Connectors

    Replace only with part number specified. KDL-42W805A/47W805A SMART CORE BLOCK REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION 1-910-803-17 CONNECTOR ASSEMBLY 28P 1-910-803-21 CONNECTOR ASSEMBLY 5P 1-846-658-11 (LVDS) FLEXIBLE FLAT CABLE 51P 1-910-803-73 HARNESS ASSEMBLY (KDL-42W805A ONLY) 1-910-803-74 HARNESS ASSEMBLY (KDL-47W805A ONLY) KDL-42W805A/47W805A...
  • Page 27: Screws

    Specific instructions must be adhered to whenever these components are mark are critical for safety. repaired and/or replaced. (See Appendix A) Replace only with part number specified. DESCRIPTION KDL-42W805A KDL-47W805A 4-256-393-01 SCREW, +PSW M3X6 W12 Rear Cover (11), AC Cover (1)
  • Page 28: Section 5 - Accessories/Part Number Information

    PASSIVE 3D GLASSES (SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV) 4-414-470-01 SUPPORT BELT KIT For product protection and safety reasons, Sony strongly recommends 1-492-078-11 ONE TOUCH REMOTE CONTROL (RMF-YD0092) that you use the screws provided with the TV. CAUTION: These screws cannot be used to secure the TV REMOTE COMMANDER to the Wall Mount Brackets.
  • Page 29: Appendix A: Encryption Key Components

    APPENDIX A: ENCRYPTION KEY COMPONENTS Encryption key components developed by Sony Corporation contain confidential information and shall be handled under the non-disclosure obligations provided in the applicable agreement with Sony Corporation (and/or its subsidiary). As part of this agreement specific instructions must be adhered to whenever a Circuit Board containing encryption key components is repaired and/or replaced pursuant to the following: In the service manual the Circuit Board(s) containing encryption key components shall be identified with a red outline and a .

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