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Sony KDL-50W700B Repair Manual

Sony KDL-50W700B Repair Manual

Lcd digital color tv
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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
REPAIR MANUAL
Version
Date
1.0
07/07/2014
2.0
07/31/2014
KDL-55W700B
Subject
Original Manual Release Date.
Updated Section 4 - Exploded View/Part Number Information. Page 21 replaced.
RB2G
MODEL
COMMANDER
KDL-50W700B
RM-YD103
KDL-55W700B
RM-YD103
Self Diagnosis
Supported model
Chassis
Segment: HE
DESTINATION
US/CND
US/CND
LCD Digital Color TV
9-888-644-02

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Summary of Contents for Sony KDL-50W700B

  • Page 1 Self Diagnosis Supported model HISTORY INFORMATION FOR THE FOLLOWING MANUAL: REPAIR MANUAL RB2G Chassis Segment: HE MODEL COMMANDER DESTINATION KDL-50W700B RM-YD103 US/CND KDL-55W700B RM-YD103 US/CND KDL-55W700B Version Date Subject 07/07/2014 Original Manual Release Date. 07/31/2014 Updated Section 4 - Exploded View/Part Number Information. Page 21 replaced.
  • Page 2: Table Of Contents

    TABLE OF CONTENTS Cautions and Warnings ...................ii Section 4 - Exploded View/Part Number Information .........19 Table Top Stand ...................19 Section 1 - Specifications and Layouts ............1 KDL-50W700B ....................20 Specifications ....................1 KDL-55W700B ....................21 Checking the Accessories..................1 Board Layout ....................2 Smart Core Block ..................22 KDL-50W700B .......................2...
  • 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: Leakage Test

    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-50W700B/55W700B...
  • Page 5: Section 1 - Specifications And Layouts

    SECTION 1 - SPECIFICATIONS AND LAYOUTS SPECIFICATIONS System Model name KDL-55W700B KDL-50W700B Television system NTSC: American TV standard ATSC (8VSB terrestrial): ATSC compliant 8VSB Power and others QAM on cable: ANSI/SCTE 07 2000 (Does not include CableCARD functionality) 19.5 V DC with AC adapter...
  • Page 6: Board Layout

    SECTION 1 - SPECIFICATIONS AND LAYOUTS BOARD LAYOUT KDL-50W700B SMART CORE BLOCK HSC2-S BOARD BT MODULE TUS BOARD MAIN BOARD (BAX BOARD) LD BOARD SWITCH UNIT WIRELESS LAN CARD SMART CORE KDL-55W700B TUS BOARD MAIN BOARD (BAXL BOARD) LD BOARD...
  • Page 7: Wire Dressing

    SECTION 1 - SPECIFICATIONS AND LAYOUTS WIRE DRESSING KDL-50W700B SMART CORE BLOCK KDL-55W700B KDL-50W700B/55W700B...
  • 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-50W700B/55W700B...
  • Page 9: Triage Chart

    ▲  LD BOARD  BT BOARD   WIFI AUDIO/ BACK- SOFT- Problem POWER TCON TEMP POWER LIGHT WARE *NOTE: REFER TO LCD PANELS SERVICE MANUAL IN REFERENCE LIBRARY DATABASE FOR CORRECT REPLACEMENT PARTS BASED ON SERIAL NUMBER. KDL-50W700B/55W700B...
  • Page 10: Flowcharts And Diagrams

    TCON LED BACKLIGHTS HEADPHONES AUDIO TUNER DEMODULATOR SWITCH TUNER BOARD UNIT ADC / DACAMP VIDEO 1 CVBS OPTICAL VIDEO 2 CVBS/COMP AUDIO OUT LOCAL DIMMING TUNER BAXL SMART CORE IR RX WIFI SWITCH UNIT HSC2 AC ADAPTOR AC IN KDL-50W700B/55W700B...
  • Page 11: Power And Control Block Diagram

    +19.5V_HOLD(12V) +19.5V_SS(12V) +19.5V(12V) REG+12V +19.5V(12V) +19.5V_SS(12V) BL_ERR +19.5V_HOLD(12V) POWER_ON REG+12V AC_OFF_DET LD_MODE_SW PANEL STBY+3.3V STBY+3.3V MODULE AC_OFF_DET PWM_3 POWER_ON IP_REF LD_STBY PWM_2 IP_REF FB_REF FB_REF PWM_1 LD_PWM_3 LD_STBY LD_PWM_2 PWM_0 LD_PWM_1 LD_PWM_0 LD_MODE_SW AC_IN DC-IN DC IN DC_GND BAXL KDL-50W700B/55W700B...
  • Page 12: No Power Flowchart

    Does TV turn ON? Main Board* Pin 12 CN2001 on 3.3 volts? on front of TV? LD Board. See: Standby LD Board AC Adaptor* LED Blinking flowchart *For Part Number information, refer to “Section 4 - Exploded View/Part Number Information” on page KDL-50W700B/55W700B...
  • Page 13: Standby Led Blinking Flowchart

    Wireless LAN Card* Main Board* After a while Check ventilation Immediately LCD Panel/ TCON* LCD Panel* Main Board* LD Board* (LCD Panel) (LED Backlight) *For Part Number information, refer to “Section 4 - Exploded View/Part Number Information” on page KDL-50W700B/55W700B...
  • Page 14: 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-50W700B/55W700B...
  • Page 15: No 3D Viewing

    Remote works One Touch Remote Control? Bluetooth 3D OK Board* *For Part Number information, refer to *For Part Number information, refer to “Section 4 - Exploded View/Part Number Information” on page “Section 4 - Exploded View/Part Number Information” on page KDL-50W700B/55W700B...
  • Page 16: Section 3 - Repair Information

    4. After releasing the hooks, firmly lift upwards as shown to detach 1. Place TV on a flat and steady surface in a standing position. Rear Cover from TV. 2. Locate and remove all screws from the Rear Cover. KDL-50W700B KDL-55W700B KDL-50W700B/55W700B...
  • Page 17: Replacing The Main Board / Tuner Board

    TV to turn it ON. e. Wait until the Software update is completed. 9. To access Service Mode, turn TV ON and OFF again then press the following buttons within 1 second of each other: Channel Volume Power DISPLAY KDL-50W700B/55W700B...
  • Page 18 DIGITAL SERVICE 002 MODEL CAUTION: If the incorrect Destination Data Value is selected, 003 MODELNAME KDL-50W700B it may corrupt the Sofware requiring a Main Board replacement. WRITE 12. Press until the correct destination of the TV displays. 17. Locate the Serial Number for the TV on the side of the Rear Cover.
  • Page 19 28. When the DIGITAL Menu appears, press until 002 MODEL category displays. DIGITAL (MODEL) SERVICE SerialNumberEdit DIGITAL SERVICE *1 SerialNumber 002 MODEL 5000001 WRITE 000 BOARD CHECK 23. Press until 006 VAR_TYPE item displays. DIGITAL SERVICE 002 MODEL 006 VAR_TYPE KDL-50W700B/55W700B...
  • Page 20 TUNER BOARD OPTION: PCA / HTL TUNER BOARD OPTION is changed correctly CAUTION: If the Main Board is a mismatch to the Tuner Board, a “NG: WRONG COMBINATION OF MAIN BOARD AND TUNER BOARD” will display. 31. Press RETURN KDL-50W700B/55W700B...
  • Page 21: Removing The Speakers

    104 STBY_WDT --------------------- --------------------- --------------------- 00 00345 000333 06789 c. To clear the error history and error count press d. Press Power to exit Self Check Mode. 37. Cycle AC Power (Unplug and plug AC Cord from the outlet). KDL-50W700B/55W700B...
  • Page 22: Removing The Smart Core Block

    Wireless LAN Card. Wireless Wireless LAN Card LAN Card Smart Core Block Smart Core Block BT Module BT Module 4. Pull Bottom Cover on the direction shown to detach from Top Cover. Top Cover Top Cover Bottom Cover Bottom Cover KDL-50W700B/55W700B...
  • Page 23: Section 4 - Exploded View/Part Number Information

    (See Appendix A) Replace only with part number specified. REF. NO. PART NO. DESCRIPTION 4-485-111-11 STAND, PIPE (KDL-50W700B ONLY) 4-532-540-11 STAND, PIPE (KDL-55W700B ONLY) 4-462-165-02 STAND, NECK (KDL-50W700B ONLY) 4-462-167-02 STAND, NECK...
  • Page 24: Kdl-50W700B

    NOTE: The components identified by a red outline and a mark contain confidential NOTE: The components identified by shading and KDL-50W700B 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 25: Kdl-55W700B

    AFTER REPLACING THE TUNER BOARD, YOU MUST UPDATE THE SOFTWARE TO THE LATEST VERSION. A-1998-282-B BAXL BOARD, COMPLETE AFTER REPLACING THE MAIN BOARD, YOU MUST UPDATE THE SOFTWARE TO THE LATEST VERSION. 4-532-398-01 VESA, BRACKET RIGHT 4-532-397-01 VESA, BRACKET LEFT KDL-50W700B/55W700B...
  • Page 26: Smart Core Block

    (See Appendix A) Replace only with part number specified. REF. NO. PART NO. DESCRIPTION 4-474-893-01 FRONT COVER 1-492-760-12 BT MODULE 4-474-894-01 BACK COVER 1-458-723-11 WIRELESS LAN CARD 4-474-892-01 TOP COVER A-1969-162-A HSC2 BOARD, MOUNTED 4-474-888-03 BOTTOM CASE KDL-50W700B/55W700B...
  • Page 27: 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-50W700B KDL-55W700B REF. NO. PART NO. DESCRIPTION REF. NO.
  • Page 28: Screws

    (See Appendix A) Replace only with part number specified. DESCRIPTION KDL-50W700B KDL-55W700B Rear Cover - Panel Bracket (6), Rear Cover - Smart Core (1), Rear Cover - SP Bracket (6), Rear Cover - SmartCore (1),...
  • Page 29: Section 5 - Accessories/Part Number Information

    4-414-470-01 SUPPORT BELT KIT (SCREWS TO ATTACH TABLE TOP STAND TO LCD TV) For product protection and safety reasons, Sony strongly recommends REMOTE COMMANDER that you use the screws provided with the TV. CAUTION: These screws cannot be used to secure the TV PART NO.
  • Page 30: 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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Kdl-55w700b

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