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Sony KDL-32EX655 Service Training Manual
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Sony KDL-32EX655 Service Training Manual

Lcd digital color tv, az3g chassis
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Self Diagnosis
Supported model
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE / TRAINING MANUAL
AZ3G
Chassis
Segment: P-2A
ORIGINAL MANUAL ISSUE DATE: 6/2012
Version Date
Subject
1.0
06/05/2012
Original Manual Release Date
LCD Digital Color TV
9-883-892-01

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Summary of Contents for Sony KDL-32EX655

  • Page 1 Self Diagnosis Supported model HISTORY INFORMATION FOR THE FOLLOWING MANUAL: SERVICE / TRAINING MANUAL AZ3G Chassis Segment: P-2A ORIGINAL MANUAL ISSUE DATE: 6/2012 Version Date Subject 06/05/2012 Original Manual Release Date LCD Digital Color TV 9-883-892-01...
  • Page 2 Self Diagnosis Supported model SERVICE / TRAINING MANUAL AZ3G Chassis Segment: P-2A LCD Digital Color TV KDL-32EX655 9-883-892-01...
  • Page 3 MODEL LIST MODEL COMMANDER DESTINATION MODEL COMMANDER DESTINATION KDL-32EX655 RM-YD079 BRAZIL KDL-40EX655 RM-YD079 BRAZIL KDL-46EX655 RM-YD079 BRAZIL 9-883-892-01...

  • Page 4: Table Of Contents

    When Replacing the Main Board ..............26 No Power ....................12 Updating the Software ................26 Standby LED Blinking ................14 Updating the Software ................26 No Picture ....................15 Selecting the Segment Code ..............27 Selecting the Destination ................29 Selecting the Model Name ..............30 Adding the Serial Number ...............30 KDL-32EX655/40EX655/46EX655...
  • Page 5 Optional Adjustments ..................39 Enabling VCOM to Adjust the Picture .............39 Setting White Balance Adjustments ............40 Resetting the TV to Factory Condition ............40 Resetting the TV to Factory Condition Using Service Mode ....40 Appendix A: Encryption Key Components ..........A-1 KDL-32EX655/40EX655/46EX655...

  • Page 6: Cautions And Warnings

    NOTE: Do not modify the original design without obtaining written permission from the manufacturer or you will void the original parts and labor warranty. KDL-32EX655/40EX655/46EX655...
  • Page 7 Damaging the wires may cause a short. Protect the panel from ESD to avoid damaging the electronic circuit (C-MOS). 10. During the repair, DO NOT leave the Power On for more than 1 hour while the TV is face down on a cloth. KDL-32EX655/40EX655/46EX655...
  • Page 8 Using any of these harsh cleaners may result in permanent damage to the screen. Do Not spray water or detergent directly onto the TV screen . If liquid drips into the bottom of the screen it may cause a failure. KDL-32EX655/40EX655/46EX655...
  • Page 9 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-32EX655/40EX655/46EX655...

  • Page 10: Section 1 - Features And Overview

    SECTION 1 - FEATURES AND OVERVIEW FEATURES SPECIFICATIONS The AZ3G chassis is one of several designs for the 2012 model line of Sony System Television system Analog: NTSC/PAL-M/PAL-N Bravia® LCD televisions. This manual covers the following models: Digital: SBTVD Channel coverage...

  • Page 11: Checking The Accessories

    10 % – 80 % RH (non-condensing) *1 Total Harmonic Distortion. *2 Screen size, dimensions and mass are approximate values. • Optional accessories availability depends on countries/region/TV model/stock. • Design and speci cations are subject to change without notice. KDL-32EX655/40EX655/46EX655...

  • Page 12: Chassis Overview

    NOTE: For connector part number information, refer to “Connectors” on page 22. For Wire Dressing information, refer to “Wire Dressing” on page BAPS SWITCH SWITCH BAPS UNIT UNIT TCON TCON BOARD LAYOUT FOR KDL-40EX655 ONLY BOARD LAYOUT FOR KDL-32EX655 ONLY KDL-32EX655/40EX655/46EX655...
  • Page 13 SECTION 1 - FEATURES AND OVERVIEW SWITCH BAPS UNIT TCON BOARD LAYOUT FOR KDL-46EX655 ONLY KDL-32EX655/40EX655/46EX655...

  • Page 14: Overall Circuit Description

    LED’s that are located on this board along with the IR remote receiver and light level sensor. transmission to the TCON Board circuits located internally to the LCD Panel. KDL-32EX655/40EX655/46EX655...

  • Page 15: Switch Unit

    The TCON Board communicates between the LCD Panel and the microprocessor on the Main Board. NOTE: The TCON Board is not available as a replacement part for all models. To determine if the TCON Board is available as a replacement part, refer to the LCD Panels Manual. KDL-32EX655/40EX655/46EX655...

  • Page 16: Section 2 - Troubleshooting

    4X blink the Sony site for any issues that are software related. Most symptoms that error as this circuit is found in models that are backlit with fluorescent lamps.

  • Page 17: Viewing The Self Check Diagnosis History

    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-32EX655/40EX655/46EX655...
  • Page 18 An open LED in the backlight strings will cause an over-voltage condition in the converter circuits. The symptom will be a momentary appearance of the backlights (Sony logo may appear) followed by a 6X shutdown. Replacement of the LCD panel is required to remedy this condition.

  • Page 19: Triage Chart

    ▲   TCON  SERVICE BULLETIN  SOFTWARE UPDATE  WLAN *NOTE: REFER TO LCD PANEL SERVICE MANUAL IN REFERENCE Immediate Shutdown After Power ON & 7X * LIBRARY DATABASE FOR CORRECT REPLACEMENT PARTS BASED ON SERIAL NUMBER. KDL-32EX655/40EX655/46EX655...

  • Page 20: Section 3 - Flow Charts And Diagrams

    HDMI 3 PROCESS HDMI 4 PC HD15 ETHERNET LVDS USB2.0 USB HUB TCON BAPS USB2.0 LCD PANEL LED BACKLIGHTS IR RX SWITCH LIGHT SENSE UNIT POWER SUPPLY/ CONVERTER AC IN GL2 (32") GL4 (40" & 46") OVERALL BLOCK DIAGRAM KDL-32EX655/40EX655/46EX655...

  • Page 21: No Power

    BL_ON AUDIO_12V DIGITAL_STBY STBY3.3V 7, 8 AU_GND BLINKING 9~12 POWER_ON 13,14 REG12V PWM_DIMMER 17, 18 AU_12V DIGITAL_STBY TCON_VCC DC_DIMMER STBY3.3V BL_ON TCON_ON BL_ERR AC_OFF_DET AC_OFF_DET POWER_ON TCON_ON GL2 (32") BAPS GL4 (40" & 46") POWER AND CONTROL BLOCK DIAGRAM KDL-32EX655/40EX655/46EX655...
  • Page 22 High (3.3V) Is standby LED Power Supply Power Supply Protection Shutdown appears blinking? Board* Board* flowchart momentarily? Power Supply Main Board* Board* NO POWER FLOWCHART *For Part Number information, Refer to “Section 4 - Disassembly/Part Number Information” on page KDL-32EX655/40EX655/46EX655...

  • Page 23: Standby Led Blinking

    Board* See Resolving an 8x Error Main Board* After a while Check ventilation Imediately TCON Power Supply Main Board* (LCD Panel)* Board* PROTECTION SHUTDOWN FLOWCHART *For Part Number information, Refer to “Section 4 - Disassembly/Part Number Information” on page KDL-32EX655/40EX655/46EX655...

  • Page 24: No Picture

    Any flashes LCD Panel* is running. This seen on TCON Board* may need to be screen? done more than once Main Board* NO VIDEO FLOWCHART *For Part Number information, Refer to “Section 4 - Disassembly/Part Number Information” on page KDL-32EX655/40EX655/46EX655...
  • Page 25 (LCD Panel) Any horizontal LCD Panel* lines? Any single or isolated vertical LCD Panel* lines? More than 1 TCON* vertical band? (LCD Panel) VIDEO DISTORTION *For Part Number information, Refer to “Section 4 - Disassembly/Part Number Information” on page KDL-32EX655/40EX655/46EX655...

  • Page 26: Section 4 - Disassembly/Part Number Information

    A-1875-985-A STAND, HEAD P(M) (WHITE) (SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV) (KDL-32EX655 MODELS ONLY) For product protection and safety reasons, Sony strongly recommends A-1880-666-A STAND, HEAD P(ML) that you use the screws provided with the TV. (KDL-40EX655/46EX655 ONLY) CAUTION: These screws cannot be used to secure the TV to the Wall Mount Brackets.

  • Page 27: Rear Cover Removal

    [52] the Bezel and Rear Cover. (KDL-40EX655 ONLY) (FOR ALL EXCEPT KDL-32EX655 WHITE MODEL) D Gently hold down the Rear Cover as shown in the steps below, then grasp the inside bottom corner and carefully lift 4-419-379-61 REAR COVER (46 ZEU) A...

  • Page 28: Handling The Lvds Ffc Connector

    Correctly holding onto the LVDS FFC Connector, pull out the connector Connector into the Main Board connector. while continuing to hold down the release tabs of the Main Board connector. Main Board Main Board Reinforcement Press down Press down Reinforcement KDL-32EX655/40EX655/46EX655...

  • Page 29: Main Board (Baps) And Power Supply Board (Gl2/Gl4) Removal

    [ASSEMBLY INCLUDES] REF. NO. PART NO. DESCRIPTION [ASSEMBLY INCLUDES] 4-299-504-01 BRACKET, SIDE (MOLD) 1-490-075-21 SWITCH UNIT (WHITE) (FOR ALL EXCEPT KDL-32EX655 WHITE MODEL) (KDL-32EX655 MODELS ONLY) 4-299-504-51 BRACKET, SIDE (MOLD) (WHITE) 4-298-004-01 SPACER (B) (KDL-32EX655 MODELS ONLY) A-1885-393-A GL2 BOARD, COMPLETE...

  • Page 30: Panel Brackets And Lcd Panel Removal

    SCREW, +PSW M4X10 Clean the cabinet of the TV with a dry soft cloth, and wipe the LCD screen gently with a soft cloth. 4-414-815-21 BEZEL (40 NK1) A (FOR ALL EXCEPT KDL-32EX655 WHITE MODEL) (KDL-40EX655 ONLY) △ 4-159-298-21 SCREW, +PSW M4X10 (WHITE) ;...

  • Page 31: Connectors

    SCREW, +PSW M3X6 W12 RC(7), AC(1), PNL BRKTS(2) 1-910-802-55 CONNECTOR ASSEMBLY 28P 1-910-802-36 HARNESS ASSEMBLY ● 2-990-421-41 SCREW (+PSW) (M3X6) BAPS(6), GL4(5) (KDL-32EX655 ONLY) (KDL-32EX655 ONLY) 1-839-951-11 (LVDS) FLEXIBLE FLAT CABLE 51P 1-910-802-81 HARNESS ASSEMBLY (KDL-32EX655 ONLY) (KDL-40EX655 ONLY) 1-839-949-11...

  • Page 32: Accessories And Packaging

    (SCREWS TO ATTACH STAND HEAD TO STAND PIPE) (SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV) For product protection and safety reasons, Sony strongly recommends that you use the screws provided with the TV. CAUTION: These screws cannot be used to secure the TV to the Wall Mount Brackets...

  • Page 33: Wire Dressing

    SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION WIRE DRESSING OVERALL WIRE DRESSING FOR KDL-46EX655 ONLY OVERALL WIRE DRESSING FOR KDL-32EX655 ONLY OVERALL WIRE DRESSING FOR KDL-40EX655 ONLY KDL-32EX655/40EX655/46EX655...

  • Page 34: Section 5 - Updates And Adjustments

    TCON circuits. This information is automatically loaded to updating the software in their products. If a customer contacts the Sony onto the Main Board when the TV is powered up. With the correct software Customer Support Center and it is deemed to be correctable with a software version the Main Board and/or the TCON can be replaced more efficiently.

  • Page 35: Software Update Responsibility

    Póngase en contacto con Sony UPDATING THE SOFTWARE Póngase en contacto directament con Sony si tiene algún problems con el TV: There are 2 situations that can occur after replacing the Main Board. Sitio Web de soporte técnico: www.sony.co,.br/contato...

  • Page 36: Selecting The Segment Code

    NOTE: There are 3 Service Menus for this model, DIGITAL, Press to increase the data value to 1. CHASSIS, and VPC. If the DIGITAL Service Menu is not displayed, JUMP OPTIONS press on the Remote Commander. CHASSIS SERVICE PID_DATA_MISMAT 1 KDL-32EX655/40EX655/46EX655...
  • Page 37 001 OP 000 VERS Model Name Code Name Data Value Model Name <MAIN> <EXT> KDL- -2A_BASE KDL-32EX655 DM1.027AAA RF:0000 WF1.002W00AA WF:9.2.1.12.4 KDL- -2A_BASE KDL-40EX655 DF3.130W00AA WF:0A YM1.409W00AA FD:0.068...

  • Page 38: Selecting The Destination

    Model Name Code Name Data Value Model Name Destination Data Value The correct destination needs to be selected after replacing the Main Board. KDL- -2A_BASE KDL-32EX655 ISDB-LTN_BASE CAUTION: Selecting the incorrect destination may require replacing the KDL- -2A_BASE KDL-40EX655 ISDB-LTN_BASE Main Board.

  • Page 39: Selecting The Model Name

    The correct model name needs to be selected to ensure all of the TV features are available. DIGITAL SERVICE 002 MODEL Verify before proceeding to the next step: 002 MODELNAME KDL-32EX655 ; Updated the Software ; Selected the Segment Code DONE ; Selected the Destination 13. Proceed to “Adding the Serial Number”.
  • Page 40 20. Using the remote commander, enter the serial number of the TV. 17. Press until the 003 SERIAL item displays. NOTE: If the incorrect serial number is entered, press to go back to the Serial Number input screen and re-enter the DIGITAL SERVICE correct serial number. 002 MODEL 003 SERIAL KDL-32EX655/40EX655/46EX655...

  • Page 41: Confirming The Model Id And Product Id

    After completing all of the service adjustment changes, verify that the ID and Product ID are correct. correct Model ID and Product ID displays in the Service menu. Model Name Destination Panel Name Model-ID Product-ID KDL-32EX655 LTY320HN0301 1C23A225 04047040 KDL-40EX655 LTY400HM1001 1C23A226 04047040 KDL-46EX655 LTY460HN0501 1C23A227 04047040...

  • Page 42: Clearing The Self Diagnosis Self Check Information

    --------------------- --------------------- --------------------- 00 Verify before proceeding to the next step: 102 MEPS_WDT --------------------- --------------------- --------------------- 00 ; Updated the Software 103 HOST_WDT --------------------- --------------------- --------------------- 00 104 STBY_WDT --------------------- --------------------- --------------------- 00 ; Selected the Segment Code 00345 000333 06789 KDL-32EX655/40EX655/46EX655...

  • Page 43: Resolving An 8 Blink Error

    007 FAN_ERR ----------------- ----------------- ----------------- 00 010 EMITTER ----------------- ----------------- ----------------- 00 101 VPC_WDT ----------------- ----------------- ----------------- 00 102 MEPS_WDT ----------------- ----------------- ----------------- 00 103 HOST_WDT 1201231325 1201231136 ----------------- 02 104 STBY_WDT ----------------- ----------------- ----------------- 00 00345 000333 00345 KDL-32EX655/40EX655/46EX655...

  • Page 44: Verifying There Is An 8X Error

    Verify before proceeding to the next step: ; Verified the error is an 8X error ; Reset the TV to Factory Condition Check for latest Software Version through Network Connection or Reference Library. Connect and Configure TV Network Connection. KDL-32EX655/40EX655/46EX655...

  • Page 45: Completing Service Requirements When Replacing The Lcd Panel Or Tcon Board

    ID and Product ID are correct. LCD Panel to Update the Software”. Model Name Destination Panel Name Model-ID Product-ID After the update is complete, proceed to “Confirming the Model ID KDL-32EX655 LTY320HN0301 1C23A225 04047040 and Product ID”. KDL-40EX655 LTY400HM1001 1C23A226 04047040 KDL-46EX655 LTY460HN0501 1C23A227 04047040...

  • Page 46: Resetting The Panel Operation Time

    Verify before proceeding to the next step: ; Updated the Software ; Confirmed Model ID and Product ID POWER Take the TV out of deep Standby mode by pressing turn on the TV. POWER Press to turn the TV back off. KDL-32EX655/40EX655/46EX655...

  • Page 47: Clearing The Self Diagnosis Self Check Information

    --------------------- --------------------- --------------------- 00 103 HOST_WDT --------------------- --------------------- --------------------- 00 104 STBY_WDT --------------------- --------------------- --------------------- 00 00345 000333 06789 Exit Self Check by turning the TV power off. Cycle AC Power. (Unplug and Plug AC Cord from the AC Outlet). KDL-32EX655/40EX655/46EX655...

  • Page 48: Optional Adjustments

    1. Press to move to the 001 ADJUST item. All Sony TVs are set for optimal viewing performance. Refer to the following instructions if the customer requests additional adjustments. SERVICE ENABLING VCOM TO ADJUST THE PICTURE...

  • Page 49: Setting White Balance Adjustments

    Memory settings to the preset factory conditions. POWER Turn the TV On by pressing , then wait approximately 40 to 60 seconds. While holding down the on the Remote Commander, press the POWER button on the side of the TV. KDL-32EX655/40EX655/46EX655...
  • Page 50 When the process is complete the green SERVICE text displays and the LED display as shown below: TIMER Standby POWER Cycle AC Power (Unplug and Plug AC Cord from the AC Outlet). The set restarts and displays the Initial Setup screen. This may take several minutes. KDL-32EX655/40EX655/46EX655...
  • Page 51 Sony Electronics Reproduction in whole or part without written permission is prohibited. All rights reserved Sony Corporation English 2012FJ74WEB-1 Sony LCSC Printed in USA LCSC Technical Services 9-883-892-01 © 2012.6 Service Publication Department KDL-32EX655/40EX655/46EX655...

  • Page 52: 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 .

This manual is also suitable for:

Kdl-40ex655Kdl-46ex655

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