Sony KDL-42W650A Repair Manual
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Sony KDL-42W650A Repair Manual

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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
REPAIR MANUAL
Version
Date
1.0
10/15/2013
2.0
12/16/2013
KDL-42W650A
Subject
Original Manual Release Date.
Updated Section 3 - Repair Information. Replaced page 13.
Updated Section 5 - Optional Accessory included. Replaced page 24.
RB1G
MODEL
COMMANDER
KDL-42W650A
RM-YD089
Self Diagnosis
Supported model
Chassis
Segment: LW
DESTINATION
CND
LCD Digital Color TV
9-883-551-02

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Summary of Contents for Sony KDL-42W650A

  • Page 1 Self Diagnosis Supported model HISTORY INFORMATION FOR THE FOLLOWING MANUAL: REPAIR MANUAL RB1G Chassis Segment: LW MODEL COMMANDER DESTINATION KDL-42W650A RM-YD089 KDL-42W650A Version Date Subject 10/15/2013 Original Manual Release Date. 12/16/2013 Updated Section 3 - Repair Information. Replaced page 13.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Cautions and Warnings ...................ii Section 4 - Exploded View/Part Number Information .........18 Section 1 - Specifications and Layouts ............1 KDL-42W650A .....................18 Specifications ....................1 Smart Core Block ..................20 Connectors ....................21 Checking the Accessories..................1 Board Layout ....................2 KDL-42W650A .....................21 Smart Core Block....................22...

  • Page 3: Cautions And Warnings

    Ne les remplacer que par des composants Sony dont le numero de piece est indique dans le present manuel ou dans des supplements publies par Sony. Les reglages NOTE: Do not modify the original design without obtaining written permission de circuit dont l’importance est critique pour la securite du fonctionnement...
  • Page 4 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. Figure B. Checking for earth ground. KDL-42W650A...

  • Page 5: Section 1 - Specifications And Layouts

    SECTION 1 - SPECIFICATIONS AND LAYOUTS SPECIFICATIONS Model name KDL-42W650A System NTSC: American TV standard Television system Power and others ATSC (8VSB terrestrial): ATSC compliant 8VSB Power requirement 19.5 V DC with AC Adaptor QAM on cable: ANSI/SCTE 07 2000 (Does not include CableCARD functionality)

  • Page 6: Board Layout

    SECTION 1 - SPECIFICATIONS AND LAYOUTS BOARD LAYOUT KDL-42W650A SMART CORE BLOCK WLAN MODULE LD BOARD HIR BOARD HSC BOARD SMART CORE BLOCK MAIN BOARD (BLX) SWITCH UNIT KDL-42W650A...

  • Page 7: Wire Dressing

    SECTION 1 - SPECIFICATIONS AND LAYOUTS WIRE DRESSING KDL-42W650A SMART CORE BLOCK KDL-42W650A...

  • 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-42W650A...

  • Page 9: Triage Chart

    * Immediate Shutdown After Power ON & 7X REFERENCE LIBRARY DATABASE FOR CORRECT REPLACEMENT PARTS BASED ON SERIAL NUMBER. To access the most recent version of the Triage documents for the models listed in this manual, login into the Sony Authorized Servicer Portal at http://www.sony.com/asp. KDL-42W650A...

  • Page 10: Flowcharts And Diagrams

    VIDEO 1 CVBS HEAD PHONES VIDEO 2 CVBS/COMP LOCAL DIMMING IC9000 IC5009 HDMI 1 HDMI DECODER SWITCH VIDEO HDMI 2 PROCESS LED BACKLIGHTS ETHERNET LVDS TCON LCD PANEL SMART CORE IR RX SWITCH WIFI LED’s UNIT AC IN AC ADAPTOR KDL-42W650A...

  • Page 11: Power And Control Block Diagram

    1, 2 19.5V IP_REF 3, 4 LD_ERR LED 1 PWM_DIMMER LD_MODE_SW LED 2 VLED LD_STBY LED 3 BACKLIGHTS LD_STBY FB_REF LED 4 5 ~ 10 LD_MODE_SW 7, 8 11 ~ 14 LD_ERR LED_VCC 9, 10 DC_DIMMER VCC_IN DC IN KDL-42W650A...

  • Page 12: No Power Flowchart

    Substitute 19.5V AC Adaptor with another. Is red light blinking Main Board* Does TV turn ON? on front of TV? See protection AC Adaptor* flowchart *For Part Number information, refer to “Section 4 - Exploded View/Part Number Information” on page KDL-42W650A...

  • Page 13: Standby Led Blinking Flowchart

    Protect Shutdown. Standby LED Blinking Main Board* Main Board* After a while 4X N/A Check ventilation Immediately TCON* LD Board* Main Board* (LCD Panel) *For Part Number information, refer to “Section 4 - Exploded View/Part Number Information” on page KDL-42W650A...

  • Page 14: No Video Flowchart

    Backlights Zero volts at Zero volts at CN8202 on LCD Panel* turned on? Pin 5? Pin 1? Main Board. SONY logo TCON* appears Main Board* Main Board* (LCD Panel) momentarily? LCD Panel* *For Part Number information, refer to “Section 4 - Exploded View/Part Number Information” on page...

  • 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-42W650A...

  • Page 16: Section 3 - Repair Information

    1. Remove 2 screws from Chassis Box and pull down as shown to detach. 3. Press down the 2 locking clips and pull LVDS cable to release. CAUTION: Do not use the Table-Top Stand 4. Locate and remove screws. to hold or carry the TV. KDL-42W650A...

  • Page 17: Replacing The Main Board

    1. Remove Harness and screws from the Main Board Bracket. After ALL repairs UPDATE the SOFTWARE to the latest version. Instructions are included with the Software package on the Sony website. a. Insert the USB device with the latest Software into one of the TVs’...
  • Page 18 (Use the table below for reference). 12. Press MUTING then to save the changes. Model Name Destination Data Value KDL-42W650A ATSC_UC_BASE DIGITAL SERVICE MUTING 21. Press then to save the changes. 002 MODEL...
  • Page 19 CAUTION: The Serial Number can only be selected once. Be sure 002 MODEL to verify the information is correct before saving the changes. 002 MODELNAME KDL-42W650A 29. Enter the Serial Number of the TV. WRITE NOTE: If the incorrect Serial Number is entered, press RETURN 25.

  • Page 20: Removing The Speakers

    To clear the error history and error count press to exit Self Check Mode. POWER d. Press 2. Install the new Switch Unit, screws and connectors. 33. Cycle AC Power (Unplug and plug AC Cord from the outlet). KDL-42W650A...

  • Page 21: Removing The Smart Core Block

    3. Apply pressure on both sides of Cover, SC and pull it apart to detach. 7. Detach the HIR Board and WLAN Module. WLAN MODULE HIR BOARD 4. Disconnect connectors and release cable from Lid, SC hook. 8. Release hooks from HSC-WIFI Board to detach. HSC-WIFI BOARD KDL-42W650A...

  • Page 22: Section 4 - Exploded View/Part Number Information

    Components not identified by a part number or description The component parts of an assembly are indicated by the reference numbers in KDL-42W650A are not stocked because they are seldom required for routine the far right column of the parts list and within the dotted lines of the diagram.
  • Page 23 NOTE: The components identified by a red outline and a mark contain confidential NOTE: The components identified by shading and KDL-42W650A information. 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.

  • Page 24: Smart Core Block

    (See Appendix A) Replace only with part number specified. REF. NO. PART NO. DESCRIPTION 1-492-076-11 WLAN MODULE A-1906-604-B HSC WIFI BOARD, MOUNTED 4-454-489-03 CASE, SC A-1924-408-A HIR BOARD, MOUNTED 4-451-771-02 PANEL ORNAMENT, SC 4-446-121-01 LID, SC KDL-42W650A...

  • Page 25: Connectors

    NOTE: The components identified by shading and CONNECTORS information. 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. KDL-42W650A REF. NO. PART NO. DESCRIPTION REF. NO. PART NO.

  • Page 26: Smart Core Block

    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. SMART CORE BLOCK REF. NO. PART NO. DESCRIPTION 1-910-803-21 CONNECTOR ASSEMBLY 5P KDL-42W650A...

  • 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-42W650A 4-159-298-01 SCREW, +PSW M4X10 Chassis Box (4) 2-990-421-41 SCREW (+PSW) (M3X6)

  • Page 28: Section 5 - Accessories/Part Number Information

    (SCREWS TO ATTACH TABLE TOP STAND TO LCD TV) 4-485-844-01 W/M VESA ADAPTER ASSEMBLY For product protection and safety reasons, Sony strongly recommends that you use the screws provided with the TV. REMOTE COMMANDER CAUTION: These screws cannot be used to secure the TV 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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