Sony KDL-22EX425 Service Manual
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Sony KDL-22EX425 Service Manual

Lcd digital color tv
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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE MANUAL
AZ2-F
Chassis
Segment: P-1
ORIGINAL MANUAL ISSUE DATE: 2/2011
Version Date
Subject
1.0
2/28/2011
No revisions or updates are applicable at this time.
LCD Digital Color TV
9-888-401-01

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Summary of Contents for Sony KDL-22EX425

  • Page 1 HISTORY INFORMATION FOR THE FOLLOWING MANUAL: SERVICE MANUAL AZ2-F Chassis Segment: P-1 ORIGINAL MANUAL ISSUE DATE: 2/2011 Version Date Subject 2/28/2011 No revisions or updates are applicable at this time. LCD Digital Color TV 9-888-401-01...
  • Page 2 Self Diagnosis Supported model SERVICE MANUAL AZ2-F Chassis Segment: P-1 LCD Digital Color TV KDL-32EX525 9-888-401-01...
  • Page 3 MODEL LIST MODEL COMMANDER DESTINATION MODEL COMMANDER DESTINATION KDL-22EX425 KDL-40EX525 RM-YD064 BRAZIL RM-YD064 BRAZIL KDL-32EX425 RM-YD064 BRAZIL KDL-46EX525 RM-YD064 BRAZIL KDL-32EX525 RM-YD064 BRAZIL 9-888-401-01...

  • Page 4: Table Of Contents

    Updating the Software ............... 27 Triage Chart ................28 Software Update Responsibility ..........14 Checking the Software Version ..........14 Protection Shutdown ..............29 Examples of Software Correctable Symptoms ......15 Diagnostic Code Descriptions ..........33 Viewing the Self Check Diagnostic History ....... 34 KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 5 TABLE OF CONTENTS Section 5 - Flow Charts and Diagrams ........35 Bezel, Panel Brackets and LCD Panel Removal .....60 Overview ..................35 KDL-22EX425 Only ..............60 KDL-32EX425/32EX525/40EX525/46EX525 Only ....61 Diagnosing the Error ..............35 Cleaning the LCD Panel ............61 No Power ...................
  • Page 6 Removing the LCD Panel from the Bezel ......C-1 Verifying the Destination ............68 KDL-22EX425 Only ..............C-1 Verifying the Model Name ............69 All Except KDL-22EX425 ............C-3 Optional Adjustments ...............69 Reattaching the LCD Panel onto the Bezel ......C-4 Setting White Balance Adjustments .......... 69 KDL-22EX425 Only ..............C-4...

  • Page 7: Section 1 - Safety And Features

    Components identified by shading and ! mark on the exploded views are critical for safe operation. Replace all components with Sony parts whose part numbers appear as shown in this manual or in supplements published by Sony. It is essential that all critical parts be replaced only with the part number specified in this manual to prevent electric shock, fire, or other hazard.
  • Page 8 R If using a chemically pretreated cloth, please follow the instruction provided on the package. R Never use strong solvents such as a thinner, alcohol or benzine for cleaning. R Periodic vacuuming of the ventilation openings is recommended to ensure to proper ventilation. KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 9: Handling The Ffc Connector

    If it is inserted upside down, the pins on the FFC connector Use caution when you connecting or removing the FFC connector. will short-circuit and damage the board. Remove the connector by the reinforcement tab only. Reinforcement tab shows Terminal side shows Inserted Correctly Inserted Incorrectly Correct Incorrect KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 10: Safety-Related Warnings

    8. Use care when handling the wires or connectors of the inverter circuit. Damaging the wires may cause a short. 9. 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-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 11: Safety Check-Out

    6. Check the line cords for cracks and abrasion. Recommend the replacement of any such line cord to the customer. 7. Check the antenna terminals, metal trim, “metallized” knobs, screws, and all other exposed metal parts for AC leakage. Check leakage as described below. KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 12 Try both Cold-water Pipe 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). Figure B. Checking for earth ground. KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 13 If an error symptom cannot be reproduced, the remote commander can be used to review the failure occurrence data stored in memory to reveal past problems and how often these problems occur. “Section 4 - Troubleshooting” on page For complete information, refer to KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 14: Overview

    TV by streaming them from compatible DLNA® device like your PC or Playstation®3 system.3 FASTER START-UP Quick Start & Viewing feature enables this Sony television to go from ‘OFF’ to ‘ON’ 2-3 times faster than previous Sony televisions. BRAVIA® SYNC™ COMPATIBLE Conveniently operate and control other BRAVIA®...

  • Page 15: X-Reality™ Engine

    SECTION 1 - SAFETY AND FEATURES X-REALITY™ ENGINE Enjoy a vivid, lifelike picture experience. Sony’s X-Reality engine brings out the best by analyzing each scene so you see sharpened images, and amazing contrast detail. NAVIGATION MADE EASY Enjoy an easy-to-use menu that allows you to navigate additional content or adjust the picture settings while watching your favorite program.

  • Page 16: Specifications

    Para conexões LAN, utilize um cabo 10BASE-T/100BASE-TX de categoria 7 (não fornecido). • A disponibilidade dos acessórios opcionais depende do estoque. • A disponibilidade dos acessórios opcionais depende do país/região. • Projeto e especificações técnicas sujeitos a alterações sem prévio aviso. • Os pesos e dimensões são aproximados. KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 17 Manual de instruções (este manual) e outros documentos *1Consulte o nome do modelo impresso no controle remoto. *2Necessária montagem do pedestal. Consulte o folheto que acompanha o pedestal para montar o pedestal. *3Exceto para os modelos KDL-22EX42x, KDL-32EX42x, KDL-32EX52x e KDL-40EX52x. KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 18 Sony Ericsson marcas comerciais ou marcas registradas Mobile Communications AB. da Sony Corporation. A tecnologia de reconhecimento de “PS3” é uma marca comercial da Sony música e vídeo e os dados relacionados Corporation e/ou Sony Computer ® são fornecidos pela Gracenote Entertainment Inc.

  • Page 19: Section 2 - Software Requirements

    If a customer contacts the Sony Customer Support Center and it is deemed to be correctable with a software update, the issue is handled at the customer level.

  • Page 20: Software Updates For Servicers

    The easiest way to check the version of software that is currently on In addition to software installation, service adjustment information the TV is to access the Contact Sony screen by using the customer may need to be modified or verified to complete the service of the menu.

  • Page 21: Examples Of Software Correctable Symptoms

    Unit turns on and off by itself ● Loss of color ● Internet connectivity ● Certain features not working correctly (photo or video file viewing)Loss of color ● Internet connectivity ● Certain features not working correctly (photo or video file viewing) KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 22: Section 3 - Chassis Overview

    NOTE: For connector part number information, refer to “Connectors” on page 62. For Wire Dressing information, refer to “Wire Dressing” on page BATV GE2A BATS SWITCH UNIT SWITCH UNIT TCON TCON HLR2 HMS3 HLR2 HMS3 FIGURE 3-1. KDL-22EX425 BOARD LAYOUT FIGURE 3-2. KDL-32EX425/32EX525 BOARD LAYOUT KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 23 SECTION 3 - CHASSIS OVERVIEW BATV GE3A SWITCH UNIT TCON HLR2 HMS3 FIGURE 3-3. KDL-40EX525 BOARD LAYOUT BATV GE3A SWITCH UNIT TCON HLR2 HMS3 FIGURE 3-4. KDL-46EX525 BOARD LAYOUT KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 24: Overall Circuit Description

    All video sources which are not native 1920 X 1080p 60HZ are scaled to this resolution. Digital audio content is output to the class D amplifier for processing and amplification. KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 25: Power Supply

    LED’s are located on this board along with the IR are: remote receiver and light level sensor. LCD PANEL ASSEMBLY ● G1A Board (KDL-22EX425) ● GE2A Board (KDL-32EX425) The LCD Panel Assembly includes the LCD Panel, TCON Board, and LED Backlight system.

  • Page 26: Diagrams

    LCD Panel Control LCD PANEL Power BATV Main Power Supply Standby Power Supply Backlight System AC Relay Power + Input Power - GE2A Board (32") GE3A Board (40" & 46") FIGURE 3-5. OVERALL BLOCK DIAGRAM FOR ALL EXCEPT KDL-22EX425 MODELS KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 27 HP / LINE Ladder HORUS ASCOT2Ssip (Si Tu- T) (Si Tu- S) Audio Sub AMP PC AUDIO (Shared CATV TMDS TMDS w/ HDMI) SPDIF Lumi Sensor Human Sensor IR Remote Rx Key (Normal) FIGURE 3-6. OVERALL BLOCK DIAGRAM FOR KDL-22EX425 MODELS KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 28 POWER_LED SPEAKER Assist Speaker_Out_LR STBY_LED X_SYSTEM1_RST [D–510D] TIMER_LED REC_LED PIC_MUTE_LED Audio Main Power AMP Main Speaker_Out_LR [D–510D] SPEAKER X_FAULT AUDIO_MON X_SYSTEM1_RST X_AUDIO_MUTE1 Panelless Digital Video/TS/TMDS Digital Audio UART Analog Video Analog Audio Analog Signal FIGURE 3-7. ENGINEERING BLOCK DIAGRAM KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 29: Connector Diagrams

    26" ,22" Only 26" ,22" Only 30pin connector RFRC module RFRC module RFRC module RFRC module SYNC RESET JAM SYT10-06-WL-ET 1-821-146-11 W ifi module (EU Only) WIFI GND SM05B-GHS-TB 1-819-334-11 FIGURE 3-8. CONNECTOR DIAGRAM FOR KDL-22EX425 ONLY (PAGE 1 OF 2) KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 30 JST SM14B-SRSS-TB JST XA 6P AC_ IN AC pigtail AC pigtail AC-N AC-L CN6001 SFP79-02WLB JAM 1-822-908-11 R3 or RU board STBY3.3V RS232_RXD RS232_TXD SIRCS_IN SIRCS_OUT CN101 182018311 FIGURE 3-9. CONNECTOR DIAGRAM FOR KDL-22EX425 ONLY (PAGE 2 OF 2) KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 31 6pin connector 182113311 SFP79-02WLB JAM 1-822-908-11 STBY_+3.3V AUDIO+12.5V AUDIO+12.5V AUDIO+12.5V_GND UARTC_RX HEADER ASSEMBLY FOR PWB 10P UARTC_TX G-B Harness G-B Harness R3 or RU board STBY3.3V RS232_RXD RS232_TXD SIRCS_IN SIRCS_OUT CN101 182018311 FIGURE 3-10. CONNECTOR DIAGRAM FOR KDL-32EX425 ONLY KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 32 SFP79-02WLB JAM SIRCS_IN 1-822-908-11 CN9005 6pin connector 182113311 STBY_+3.3V AUDIO+12.5V AUDIO+12.5V AUDIO+12.5V_GND G-B Harness G-B Harness UARTC_RX R3 or RU board HEADER ASSEMBLY FOR PWB 10P STBY3.3V UARTC_TX RS232_RXD RS232_TXD SIRCS_IN SIRCS_OUT CN101 182018311 FIGURE 3-11. CONNECTOR DIAGRAM FOR KDL-32EX525/40EX525/46EX525 KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 33: Section 4 - Troubleshooting

    “Section 2 - Software Requirements” on page 13 there are several issues that may be resolved by updating the software to the latest version. For a list of possible correctable issues see “Examples of Software Correctable Symptoms” on page KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 34: Triage Chart

    *NOTE: REFER TO LCD PANEL SERVICE MANUAL IN REFERENCE * Immediate Shutdown After Power ON & 7X LIBRARY DATABASE FOR CORRECT REPLACEMENT PARTS 4X* Momentary Backlight before Shut OFF BASED ON SERIAL NUMBER. ▲* Sharp Vertical or Horizontal Lines, Missing Pixels 4X** No Backlight before Shut OFF KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 35: Protection Shutdown

    If the Self Check screen displays a “0”, FIGURE 4-1. LED DISPLAY no error has occurred. 2 times 5 times LED ON 0.3 sec. LED OFF LED OFF 0.3 sec. 3 sec. FIGURE 4-2. BLINK COUNT KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 36 CN6701/pins 1 & 3 before the TV shuts off. There will be 2 to 4 ● Loss of AU12V (Open Fuse on Power Supply Board) wires (Red & Blue) depending on the panel size. All individual wires should be checked for proper voltage level. In normal operation the KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 37 NOTE: All models will make two attempts to power up before a 6X is the physical condition of the speakers and speaker connections. The activated. The SONY logo (Backlight) may or may not display on the speakers should measure 8 ohms. Shorted speakers or connections screen.
  • Page 38 This is because it will take time for the TV components to heat up and for the temperature sensor to detect the excessive temperature and shut the TV off. If the TV takes a considerable period of time to shut-off check the KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 39: Diagnostic Code Descriptions

    GE2A (Power) Board (KDL-32EX425/32EX525 Only) MAIN_POWER Main Power Error GE3A (Power) Board (KDL-40EX525/46EX525 Only) BATS Board (KDL-22EX425 Only) BATV Board (For All Except KDL-22EX425) BATS Board (KDL-22EX425 Only) DC_ALERT DC Regulator/Audio Error BATV Board (For All Except KDL-22EX425) G1A (Power) Board (KDL-22EX425 Only)

  • Page 40: Viewing The Self Check Diagnostic History

    12345-00333-06789 12345-00333-06789 Panel operation time by hour (MAX:65535) Panel operation time by hour (MAX:65535) Boot count (MAX:65535) Boot count (MAX:65535) Total operation time by hour (MAX:65535) Total operation time by hour (MAX:65535) FIGURE 4-4. SAMPLE SELF CHECK DIAGNOSIS PAGE KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 41: Section 5 - Flow Charts And Diagrams

    Standby LED Blinking functioning OK? Not Working Is the Picture and Sound OK? No Picture or No Sound Do the buttons on the TV & Remote TV/Remote Commander Commander work Buttons Not Working properly? FIGURE 5-1. OVERALL FLOWCHART KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 42: No Power

    SECTION 5 - FLOW CHARTS AND DIAGRAMS NO POWER No Power Check STBY 3.3V Replace Harness at 10 pin of CN6001 Between G* Board and G* Board B* Board on the B* Board B* Board Harness FIGURE 5-2. NO POWER KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 43: Standby Led Blinking

    SECTION 5 - FLOW CHARTS AND DIAGRAMS STANDBY LED BLINKING 2X Blink Check REG12V at Replace Harness pins 2/3 of 12V NG between G* Board and G* Board CN6001 on B* Board the B* Board 12V OK B* Board Harness FIGURE 5-3. 2 BLINK ERROR KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 44 B* Board Check +12.5V F4601,IC4601,etc at F4601 on (B* Board) the B* Board Check +3.3V_MAIN F6003,IC6003,etc at JL9234 on (B* Board) the B* Board AUDIO FE/BE Communication IC4601,etc (B* Board) Check Speaker Speaker Connector FIGURE 5-4. 3 BLINK ERROR KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 45 B* Board 12V OK Symptom improvement Replace the Symptom Harness improvement between G* and Harness TCON (LCD PANEL) LCD PANEL (a) exclude 60Hz LCD PANEL Model Symptom improvement Replace LVDS Connector the LVDS Connector FIGURE 5-5. 5 BLINK ERROR KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 46 SECTION 5 - FLOW CHARTS AND DIAGRAMS 6X Blink Under 2.65V Check BL_ERR at B* Board pin 7 of CN6002 on the B* Board Over 2.65V Symptom improvement Change G* Board G* board LCD PANEL FIGURE 5-6. 6 BLINK ERROR KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 47 SECTION 5 - FLOW CHARTS AND DIAGRAMS 7X Blink Setting is OK? Set to another Check Temperature Location, etc. Ventilation. Change B* Board, LCD PANEL B* Board FIGURE 5-7. 7 BLINK ERROR KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 48 SECTION 5 - FLOW CHARTS AND DIAGRAMS POWER LED (Green) blinking Check the harness between the G* Board Harness and LCD PANEL Check LCD PANEL LCD PANEL Check G* Board G* Board B* Board FIGURE 5-8. POWER LED BLINKING KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 49: No Picture

    B* Board 12V NG BL_ON: L Harness Replace Harness Harness (G* Board to B* Board G* Board between G* Board (LVDS) B* Board) to B* Board Change B* Board G* Board B* Board FIGURE 5-9. NO PICTURE ERROR KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 50: No Sound

    SECTION 5 - FLOW CHARTS AND DIAGRAMS NO SOUND No Sound “Audio System” Change to Check the “Speakers setting” “TV Speaker” “TV Speakers” Check the Speaker Replace B* Board Harness the B* Board Speaker Harness Speaker FIGURE 5-10. AUDIO ERROR KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 51: Tv/Remote Commander Buttons Not Working

    SECTION 5 - FLOW CHARTS AND DIAGRAMS TV/REMOTE COMMANDER BUTTONS NOT WORKING TV POWER Button not working Replace the Harness between B* to Switch Unit change Switch Unit Switch Unit Harness B* Board FIGURE 5-11. TV BUTTONS MALFUNCTIONING KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 52 (ex. bezel) near sensor’s window Check the Harness between the B* Board Sensor is broken and the HLR Board Exchange the Harness Harness Exchange the HLR Board HLR Board B* Board FIGURE 5-12. IR MALFUNCTIONING KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 53: Network Not Connecting

    Check Ethernet Cable Ethernet Cable Cable Connection B* Board Auto Check Wired Set-up Check Local router DHCP server Local Access IP address setting Manual Check IP address and Local router setting Check Proxy setting Internet Access FIGURE 5-13. WIRELESS NETWORK MALFUNCTIONING KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 54 SECTION 5 - FLOW CHARTS AND DIAGRAMS Wireless Network on the TV Error Message displays when the USB Dongle Wireless Network is selected? Is the signal field strength too weak Access Point or is there No signal? B* Board FIGURE 5-14. USB DEVICE MALFUNCTIONING KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 55: Skype Accessory Not Working

    Skype unit USB device a different B* board Skype App? -AC OFF/ON USB port USB dongle Spec. USB overload. B* board Skype unit Network connected? Reset network Next page FIGURE 5-15. SKYPE NOT WORKING PROPERLY (PAGE 1 OF 2) KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 56 No video? sound test from speaker Video problem Network speed Enough Far end setting/system Skype unit network speed? far end system issue Manual Focus work? Skype unit Check Auto-Focus area FIGURE 5-16. SKYPE NOT WORKING PROPERLY (PAGE 2 OF 2) KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 57: Section 6 - Disassembly/Part Number Information

    NOTE: The components identified by a red outline and a mark contain NOTE: The components identified by shading NOTE: The KDL-22EX425 Models is available in Black or White Please be sure to order confidential information. Specific instructions must be adhered to whenever mark are critical for safety. Replace only these components are repaired and/or replaced.

  • Page 58: Kdl-32Ex425/32Ex525/40Ex525 Only

    (SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV) (KDL-32EX425/32EX525 ONLY) A-1811-828-A STAND, HEAD P(ML) For product protection and safety reasons, Sony strongly recommends (KDL-40EX525 ONLY) that you use the screws provided with the TV CAUTION: These screws cannot be used to secure the TV to...

  • Page 59: Kdl-46Ex525 Only

    NECK (L9) (SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV) A-1811-837-A STAND, BASE(L2) For product protection and safety reasons, Sony strongly recommends 4-259-541-01 USER SCREW ST that you use the screws provided with the TV (SCREWS TO ATTACH HEAD STAND AND BASE STAND TO NECK)

  • Page 60: Rear Cover And Ac Cover Removal

    “Appendix A - Removing the Rear Cover” on page A-1 for complete instructions. KDL-22EX425 ONLY NOTE: The KDL-22EX425 Models is available in Black or White Please be sure to order the correct replacement part based on the color of the TV. Remove 4 screws from Rear Cover...

  • Page 61: Kdl-32Ex425/32Ex525/40Ex525/46Ex525 Only

    SCREW, +PSW M3X6 W12 (KDL-32EX425/32EX525 ONLY) 7-685-648-79 SCREW +BVTP 3X12 TYPE2 IT-3 4-275-423-01 REAR COVER(40) 2-580-639-01 SCREW, +BVTP 4X12 TYPE2 IT-3 (KDL-40EX525 ONLY) 4-257-907-01 JOINT, STAND 4-275-416-01 REAR COVER(46 SYR) 4-268-126-02 SCREW, ORNAMENTAL M6X12 (KDL-46EX525 ONLY) 4-259-168-01 COVER, AC(M) KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 62: G1A/Ge2A/Ge3A (Power Supply) Board, Hms3 Board And Switch Unit Removal

    See Appendix A: Encryption Key Components in the back of this manual. KDL-22EX425 ONLY NOTE: The KDL-22EX425 Models is available in Black or White Please be sure to order the correct replacement part based on the color of the TV.

  • Page 63: Kdl-32Ex425/32Ex525/40Ex525/46Ex525 Only

    4-256-435-01 LABEL, (BAT-V MOLD SIDE) (SIDE JACK LABEL) 1-858-592-11 LOUDSPEAKER (KDL-40EX525/46EX525 ONLY) (KDL-40EX525/46EX525 ONLY) ORDER THIS PART WHEN REPLACING THE LCD PANEL A-1815-011-A HMS3 BOARD, MOUNTED 1-856-184-11 FRENEL LENS 2-990-421-41 SCREW (+PSW) (M3X6) 7-685-646-79 SCREW, +BVTP 3X8 TYPE2 IT-3 KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 64: Bats/Batv (Main) Board And Hlr2 Board Removal

    Side) are not included with the LCD Panel and must be replaced when replacing the LCD Panel. KDL-22EX425 ONLY NOTE: The KDL-22EX425 Models is available in Black or White Please be sure to order the correct replacement part based on the color of the TV...

  • Page 65: Kdl-32Ex425/32Ex525/40Ex525/46Ex525 Only

    BATV BOARD, COMPLETE (KDL-40EX525/46EX525 ONLY) (FOR ALL MODELS EXCEPT KDL-32EX425) ORDER THIS PART WHEN REPLACING THE LCD PANEL AFTER REPLACING THE MAIN BOARD OR THE LCD PANEL, YOU MUST UPDATE THE SOFTWARE TO THE LATEST VERSION. 2-990-421-41 SCREW (+PSW) (M3X6) KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 66: Bezel, Panel Brackets And Lcd Panel Removal

    “Appendix C - Replacing the LCD Panel” on page C-1) KDL-22EX425 ONLY NOTE: The KDL-22EX425 Models is available in Black or White Please be sure to order the correct replacement part based on the color of the TV. Remove 4 screws to detach LCD Bracket from LCD Panel Gently lift-up LCD Panel to detach from Bezel (Refer to “Appendix C - Replacing the LCD Panel”...

  • Page 67: Kdl-32Ex425/32Ex525/40Ex525/46Ex525 Only

    If using a chemically pretreated cloth, please follow the instruction provided on the package Never use strong solvents such as a thinner, alcohol or benzine for cleaning Periodic vacuuming of the ventilation openings is recommended to ensure to proper ventilation KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 68: Screw Legend

    USER SCREW ST NOT IN THIS MODEL ■ 7-685-648-79 SCREW, +BVTP 3X12 TYPE2 IT-3 TERMINAL AREA(1), LCD BRKT to BEZ(3) KDL-22EX425 ONLY □ 2-580-639-01 SCREW, +BVTP 4X12 TYPE2 IT-3 (BLACK MODEL) RC(4) ◢ 7-685-661-71 SCREW, +BVTP 4X12 TYPE2 IT-3 (WHITE MODEL) RC(4) ◆...

  • Page 69: Kdl-32Ex425/32Ex525 Only

    (LVDS) FLEXIBLE FLAT CABLE I1 32WS 1-838-881-11 (LVDS) FFC WITH CONNECTOR I1 40S 1-838-880-11 (LVDS) FFC WITH CONNECTOR I1 46S (KDL-32EX425 ONLY) 1-910-801-62 HARNESS ASSEMBLY 1-910-801-73 HARNESS ASSEMBLYW 1-838-883-11 (LVDS) FFC WITH CONNECTOR I1 32S (KDL-32EX525 ONLY) 1-910-801-07 HARNESS ASSEMBLY KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 70: Accessories And Packaging

    ACCESSORIES AND PACKAGING (KDL-22EX425 ONLY) (SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV) 4-273-012-11 MANUAL, INSTRUCTION For product protection and safety reasons, Sony strongly recommends 4-271-055-11 SUPPLEMENT(STAND INSTALLATION) that you use the screws provided with the TV (KDL-32EX425/32EX525/40EX525 ONLY) CAUTION: These screws cannot be used to secure the TV to...

  • Page 71: Wire Dressing

    SECTION 6 - DISASSEMBLY/PART NUMBER INFOR KDL-40EX525 ONLY WIRE DRESSING KDL-22EX425 ONLY FIGURE 6-3. KDL-40EX525 OVERALL WIRE DRESSING FIGURE 6-1. KDL-22EX425 OVERALL WIRE DRESSING KDL-46EX525 ONLY KDL-32EX425/32EX525 ONLY FIGURE 6-4. KDL-46EX525 OVERALL WIRE DRESSING FIGURE 6-2. KDL-32EX425/32EX525 OVERALL WIRE DRESSING...

  • Page 72: Section 7 - Service Adjustments

    Main Board, LCD Panel, or TCON Board are replaced. other: UPDATING THE SOFTWARE DISPLAY Channel 5 Volume + POWER . POWER After replacing the Main Board, LCD Panel, or TCON Board, you MUST UPDATE the SOFTWARE to the latest version. DISPLAY VOLUME+ RM-YD064 KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 73: Viewing Or Changing Service Data

    Data Value or to decrease the Data Value. 7. Press MUTING then press to WRITE (Save) the changes. FIGURE 7-5. SAMPLE CHASSIS SERVICE MENU HOME 8. To exit service mode, press or turn the TV power off. KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 74: Verifying Service Adjustments

    001 DEST item. DIGITAL SERVICE DIGITAL SERVICE 001 OP 002 MODEL 000 VERS 001 DEST <MAIN> <EXT> DM1.301W00AA RF:01.05 WF1.003W00AA WF:2.0.0.99 DF1.001W00AA WF:0B YM1.010W00AA CAN:X.XXX DB2.105W00AA FDlXXXX (DM1.301W00A) DD1.016W00AA WP0.521W00AA <PEM> MID:1C117081 PM1.012W00LU PID:0402000 PB1.000W00LU PNL:LTU400HM0101 PL1.011J46LUX PD1.011J46LUX POP:X.XXX KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 75: Verifying The Model Name

    7. Using the table, press to increase the data value or to decrease the data value, to select the correct All Sony TVs are set for optimal viewing performance. Refer to the destination of the TV. following instructions if the customer requests additional adjustments.

  • Page 76: Resetting The Tv To Factory Condition

    8. Repeat steps 6 and 7 for each of the following items: 002 B_DRV 003 R_BKG 004 G_BKG 005 B_BKG 9. To save the changes, press MUTING then press HOME 10. To exit service mode, press or turn the TV power off. KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 77: Resetting The Tv To Factory Condition Using Service Mode

    LED display as shown below: TIMER TIMER Standby Standby POWER POWER 7. 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-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 78 Sony Electronics Reproduction in whole or part without written permission is prohibited. All rights reserved Sony Corporation English 2011BJ74WEB-1 Sony Technology Center Printed in USA Technical Services 9-888-401-01 © 2011.2 Service Publication Department KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 79: Appendix A - Removing The Rear Cover

    Cover use caution to avoid pulling the AC Power Cord which may damage the cord. Caution: These instructions should be followed whenever removing the Rear Cover. KDL-22EX425 ONLY 1. Using the instructions provided in the “Rear Cover and AC Cover Removal” on page 54, remove the screws from the Rear Cover.

  • Page 80: Kdl-32Ex425/32Ex525 Only

    Rear Cover. 2. Remove 1 screw from AC Cover. 3. Using the illustration to locate the clips that secure the Rear Cover to the Bezel, gently start to lift the Rear Cover to detach it from the Bezel. KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 81 AC Cover. NOTE: Hold AC Power Cord while lifting up Rear Cover. Do not pull the AC Power Cord or damage the connector on the Power Supply Board. 7. Disconnect the AC Power Cord to detach from Power Supply Board. KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 82: Kdl-40Ex525 Only

    3. Using the illustration to locate the clips that secure the Rear Cover to the Bezel, gently start to lift the Rear Cover to detach it from the Bezel. 5. Continue pulling the Rear Cover up from the Bezel one section at a time. KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 83 AC Cover. NOTE: Hold AC Power Cord while lifting up Rear Cover. Do not pull the AC Power Cord or damage the connector on the Power Supply Board. 7. Disconnect the AC Power Cord to detach from Power Supply Board. KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 84: Kdl-46Ex525 Only

    3. Using the illustration to locate the clips that secure the Rear Cover to the Bezel, gently start to lift the Rear Cover to detach it from the Bezel. 5. Continue pulling the Rear Cover up from the Bezel one section at a time. KDL-22EX425/32EX425/32EX525/40EX525/46EX525...
  • Page 85 7. Lift up Rear Cover with AC Cover and AC Power Cord attached. NOTE: Hold AC Power Cord while lifting up Rear Cover. Do not pull the AC Power Cord or damage the connector on the Power Supply Board. KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 86: Appendix B - Attaching The Rear Cover

    2. Re-attach the Rear Cover. 3. Using the illustration below, ensure that the Rear Cover is securely attached by aligning the slots on the Rear Cover with the clips on the Bezel and then press the Rear Cover onto the Bezel. KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 87: Kdl-40Ex525 Only

    Rear Cover with the clips on the Bezel and then press the Cover with the clips on the Bezel and then press the Rear Cover onto the Bezel. Rear Cover onto the Bezel. KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 88: Appendix C - Replacing The Lcd Panel

    BEZEL The LCD Panel is adhered to the Bezel using double sided tape. When replacing the panel, you should also replace the tape. KDL-22EX425 ONLY Caution: These instructions should be followed whenever separating the LCD Panel from the Bezel. 1. Using the instructions provided in the “Rear Cover and...
  • Page 89 5. To detach the bottom of the LCD Panel from the Bezel, 6. Continue the process until the panel is removed from pul up on the LCD Panel while pushing down on the the bezel. Bezel as shown below. KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

  • Page 90: All Except Kdl-22Ex425

    APPENDIX C - REPLACING THE LCD PANEL ALL EXCEPT KDL-22EX425 3. Remove the HMS3 Board and the HLR2 Board. NOTE: The LED Bracket is part of the bezel assembly. Caution: These instructions should be followed whenever separating the LCD Panel from the Bezel.

  • Page 91: Reattaching The Lcd Panel Onto The Bezel

    KDL-22EX425 ONLY 1. Place the replacement bezel face down on a soft cloth. 2. Using the next 2 illustrations, ensure that all of the original tape has been removed from the LCD panel and the bezel.

  • Page 92: All Except Kdl-22Ex425

    APPENDIX C - REPLACING THE LCD PANEL ALL EXCEPT KDL-22EX425 3. Using the illustration below, place the double-sided tape onto the bezel. 1. Place the replacement bezel face down on a soft cloth. 2. Ensure that all of the original tape has been removed from the LCD panel and the bezel.
  • Page 93 Slowly place the bottom of the panel within the 32” bezel. 32” models use 2 pieces 40” 5. Ensure the panel is securely placed inside the bezel. 40” models use 2 pieces 46” 46” models use 3 pieces KDL-22EX425/32EX425/32EX525/40EX525/46EX525...

This manual is also suitable for:

Kdl-32ex425Kdl-32ex525Kdl-40ex525Kdl-46ex525

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