Sony KDL-22EX355 Service Training Manual

Sony KDL-22EX355 Service Training Manual

Lcd digital color tv
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Self Diagnosis
Supported model
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE / TRAINING MANUAL
AZ3FK
Chassis
Segment: P-2L
ORIGINAL MANUAL ISSUE DATE: 6/2012
Version Date
Subject
1.0
6/04/2012
Original Manual Release Date
LCD Digital Color TV
9-883-889-01

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Table of Contents
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Summary of Contents for Sony KDL-22EX355

  • Page 1 Self Diagnosis Supported model HISTORY INFORMATION FOR THE FOLLOWING MANUAL: SERVICE / TRAINING MANUAL AZ3FK Chassis Segment: P-2L ORIGINAL MANUAL ISSUE DATE: 6/2012 Version Date Subject 6/04/2012 Original Manual Release Date LCD Digital Color TV 9-883-889-01...
  • Page 2 Self Diagnosis Supported model SERVICE / TRAINING MANUAL AZ3FK Chassis Segment: P-2L LCD Digital Color TV KDL-40EX455 9-883-889-01...
  • Page 3 MODEL LIST MODEL COMMANDER DESTINATION MODEL COMMANDER DESTINATION KDL-22EX355 RM-YD081 CHILE/PERU KDL-40EX455 RM-YD081 CHILE/PERU KDL-22EX355 RM-YD081 VENEZUELA KDL-40EX455 RM-YD081 VENEZUELA KDL-32EX355 RM-YD081 CHILE/PERU KDL-40EX456 RM-YD081 CHILE/PERU KDL-32EX355 RM-YD081 VENEZUELA KDL-32EX356 RM-YD081 CHILE/PERU 9-883-889-01...
  • Page 4: Table Of Contents

    Table-Top Stand and Rear Cover Removal ..........15 Section 1 - Features and Overview ..............1 Main Board (A) and Power Supply Board (GE22/GL5/GL8) Removal ..16 Features ......................1 KDL-22EX355 Only ................16 Specifications ....................1 KDL-32EX355/32EX356/40EX455/40EX456 Only .........17 Chassis Overview ..................3 LCD Brackets and LCD Panel Removal ............18 Overall Circuit Description ................4...
  • Page 5: 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-22EX355/32EX355/32EX356/40EX455/40EX456...
  • Page 6 ● Correct hand placement while carrying the TV is very important for safety and to avoid damage. KDL-32EX355/32EX356 KDL-22EX355 KDL-40EX455/40EX456 USE CAUTION WHEN HANDLING THE LCD PANEL When repairing the LCD panel, be sure you are grounded by using a wrist band.
  • Page 7 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-22EX355/32EX355/32EX356/40EX455/40EX456...
  • Page 8 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-22EX355/32EX355/32EX356/40EX455/40EX456...
  • Page 9: Section 1 - Features And Overview

    SECTION 1 - FEATURES AND OVERVIEW FEATURES SPECIFICATIONS The AZ3FK chassis is one of several designs for the 2012 model line of Sistema Sony Bravia® LCD televisions. This manual covers the following models: Sistema de TV Analógico: NTSC / PAL-M / PAL-N Digital: SBTVD-T KDL-22EX355...
  • Page 10 SECTION 1 - FEATURES AND OVERVIEW Nombre de modelo KDL-40EX456 KDL-32EX356 KDL-22EX355 KDL-40EX455 KDL-32EX355 Corriente y otras especi caciones Requisitos de alimentación 110-240 V CA, 50/60 Hz Consumo energético en uso en espera Menos de 0,2 W con 120 V CA y con 240 V CA menos de 0,3 W Tamaño de pantalla*...
  • Page 11: Chassis Overview

    GL5 Board for the 40” models), the IR Board (H Board), the Switch Unit, and the LCD Panel Assembly which includes the TCON Board and the Inverter MT Board. NOTE: For connector part number information, refer to “Connectors” on page 20. For Wire Dressing information, refer to “Wire Dressing” on page SWITCH UNIT BOARD LAYOUT FOR ALL MODELS KDL-22EX355/32EX355/32EX356/40EX455/40EX456...
  • Page 12: Overall Circuit Description

    HDMI Input and Switching: The customer can select the HDMI1 through This board contains the power, channel and volume up/down, and menu HDMI4 input. Each HDMI input contains a dedicated EDI NVM (not shown) buttons. to provide display information data to any device connected via the HDMI inputs. KDL-22EX355/32EX355/32EX356/40EX455/40EX456...
  • Page 13: Lcd Panel Assembly

    AC to power the backlight lamps. A control line to turn on the inverter (backlights on) is used in conjunction with a dimmer control to vary the light level of the CCFL lamps. KDL-22EX355/32EX355/32EX356/40EX455/40EX456...
  • Page 14: Section 2 - Troubleshooting

    ● TV turns on and off by itself LED OFF 0.3 sec. 3 sec. ● Loss of color ● Internet connectivity ● Certain features not working correctly Standby LED (photo or video file viewing) LED DISPLAY & BLINK COUNT KDL-22EX355/32EX355/32EX356/40EX455/40EX456...
  • Page 15: Viewing The Self Check Diagnosis History

    (TCON Board) has occurred. If the TCON Board is available for replacement, replace it, if not, replace the LCD Panel Assembly. In rare cases a loose or defective LVDS cable could also be the cause. KDL-22EX355/32EX355/32EX356/40EX455/40EX456...
  • Page 16: Triage Chart

    *NOTE: REFER TO LCD PANEL SERVICE * TV Immediate Shuts Off After Power ON & 7X **Backlight Turns ON before TV Shuts Off MANUAL IN REFERENCE LIBRARY DATABASE ***Backlight Does NOT Turn ON before TV Shuts FOR CORRECT REPLACEMENT PARTS BASED ▲* Secondary Component KDL-22EX355/32EX355/32EX356/40EX455/40EX456...
  • Page 17: Section 3 - Flow Charts And Diagrams

    A/V PROCESS HDMI 4 PC HD15 LCD PANEL, TCON, & LVDS CCFL BACKLIGHTS USB 1 USB 2 Ethernet INVERTER SWITCH UNIT IR RX POWER SUPPLY 24V & CTL AC IN GE22 (22") GL8 (32") GL5 (40") OVERALL BLOCK DIAGRAM KDL-22EX355/32EX355/32EX356/40EX455/40EX456...
  • Page 18: No Power

    5, 7, 9 AC_OFF_DET POWER_ON AUDIO_12V AUDIO_12V DIMMER AUDIO_GND BL_ERR 6, 7 REG12V_GND BL_ON 8, 9 REG12V TCON_12V BL_ERR AC_FF_DET BL_ON TCON_ON DIMMER STBY 3.3V POWER_ON TCON_12V GE22 (22") TCON_ON GL8 (32") GL5 (40") POWER AND CONTROL BLOCK DIAGRAM KDL-22EX355/32EX355/32EX356/40EX455/40EX456...
  • Page 19 Is standby LED High (3.3V) Protection Shutdown Main Board* blinking? on pin 2? flowchart Power Supply Board* Power Supply Board* NO POWER FLOWCHART *For Part Number information, Refer to “Section 4 - Disassembly/Part Number Information” on page KDL-22EX355/32EX355/32EX356/40EX455/40EX456...
  • Page 20: Standby Led Blinking

    Board* Main Board* Check room After a While temperature and ventilation around unit Immediately Main Board* “SONY” logo Power Supply appears before LCD Panel* Board* shutdown? LCD Panel* PROTECTION SHUTDOWN FLOWCHART *For Part Number information, Refer to “Section 4 - Disassembly/Part Number Information” on page...
  • Page 21: No Video

    TCON while unit Any flashes is running. This seen on LCD Panel* 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-22EX355/32EX355/32EX356/40EX455/40EX456...
  • Page 22 Any horizontal LCD Panel* lines? Any single or LCD Panel* isolated vertical lines? More than 1 LCD Panel* vertical band? TCON Board* VIDEO DISTORTION FLOWCHART *For Part Number information, Refer to “Section 4 - Disassembly/Part Number Information” on page KDL-22EX355/32EX355/32EX356/40EX455/40EX456...
  • Page 23: Section 4 - Disassembly/Part Number Information

    SCREW, +PSW M5X16 (KDL-40EX455/40EX456 ONLY) (SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV) 4-421-635-01 AC COVER (22IRSF) For product protection and safety reasons, Sony strongly recommends (KDL-22EX355 ONLY) that you use the screws provided with the TV. 4-299-528-01 AC COVER...
  • Page 24: Main Board (A) And Power Supply Board (Ge22/Gl5/Gl8) Removal

    KDL-22EX355 ONLY NOTE: The components identified by a red outline and a mark contain A Detach the Side Bracket from A Board.
  • Page 25: Kdl-32Ex355/32Ex356/40Ex455/40Ex456 Only

    ORDER THIS PART WHEN REPLACING THE LCD PANEL SOFTWARE TO THE LATEST VERSION 4-297-996-51 SHEET, INSULATION (GL6) 1-895-183-11 H BOARD, MOUNTED (KDL-40EX455/40EX456 ONLY) 1-858-796-11 LOUD SPEAKER (40X100MM) ORDER THIS PART WHEN REPLACING THE LCD PANEL 1-858-796-21 LOUD SPEAKER (40X100MM) KDL-22EX355/32EX355/32EX356/40EX455/40EX456...
  • Page 26: Lcd Brackets And Lcd Panel Removal

    See Appendix A: Encryption Key Components in the back of this manual. KDL-22EX355 ONLY A Remove screws from LCD Bracket, then release Bezel clips and gently lift up LCD Panel to detach from Bezel. Use CAUTION to avoid breaking the Bezel clips...
  • Page 27: Kdl-32Ex355/32Ex356/40Ex455/40Ex456 Only

    Using any of these harsh cleaners may result in permanent damage (KDL-40EX455 ONLY) 4-419-891-01 FRAME, BOTTOM (40IRSF) to the screen. (KDL-40EX455/40EX456 ONLY) 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-22EX355/32EX355/32EX356/40EX455/40EX456...
  • Page 28: Connectors

    DESCRIPTION [ASSEMBLY INCLUDES] REF. NO. PART NO. DESCRIPTION [ASSEMBLY INCLUDES] 1-910-106-19 CONNECTOR ASSEMBLY22MB-H/KEY/SP14P 1-910-106-18 CONNECTOR ASSEMBLY 22 MB-PSU 15P (KDL-22EX355 ONLY) (KDL-22EX355 ONLY) 1-910-106-24 CONNECTOR ASSEMBLY32MB-H/KEY/SP14P 1-910-106-23 CONNECTOR ASSEMBLY 32 MB-PSU 15P (KDL-32EX355/32EX356 ONLY) (KDL-32EX355/32EX356 ONLY) 1-910-106-28 CONNECTOR ASSEMBLY40MB-H/KEY/SP14P 1-910-106-27...
  • Page 29: Accessories And Packaging

    PART NO. DESCRIPTION 3-299-071-06 FLYER, SAFETY 4-437-132-01 GEAR, SCREW M3X5 4-418-306-31 GUIDE, QUICK SET UP 4-427-807-31 MANUAL, INSTRUCTION 4-416-690-11 SUPPLEMENT(STAND INSTALLATION) OPTIONAL ACCESSORIES PART NO. DESCRIPTION 4-414-470-01 SUPPORT BELT KIT REMOTE COMMANDER PART NO. DESCRIPTION 1-489-991-11 REMOTE COMMANDER (RM-YD081) KDL-22EX355/32EX355/32EX356/40EX455/40EX456...
  • Page 30: Wire Dressing

    SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION WIRE DRESSING KDL-22EX355/32EX355/32EX356/40EX455/40EX456...
  • Page 31: Section 5 - Updates And Adjustments

    Most customers who own computers and other digital devices are familiar with and are accustomed to updating the software in their products. 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 32: Software Update Responsibility

    Certain features not working correctly is to access the Contact Sony screen by using the customer menu. (photo or video file viewing) Contact Sony Please contact Sony directly if you have questions on the use of your television con: Website Support: www.sony.com/tvsupport...
  • Page 33: Overview

    Press the following buttons on the Remote Commander within a second of each other: After replacing the Main Board, LCD Panel, or TCON Board, you MUST DISPLAY POWER Channel Volume UPDATE the SOFTWARE to the latest version. POWER DISPLAY Onscreen cursor and select button VOLUME+ RM-YD081 KDL-22EX355/32EX355/32EX356/40EX455/40EX456...
  • Page 34: Selecting The Panel Id Code

    Self diagnosis history >> 00001 00036 00001 Status Information… >> LVDS Spectrum(%0) <[ ]> [Home] Exit Panel Selection <[ LTY320AN03 ]> SERIAL NUMBER EDIT 5001692 POWER To exit service mode, turn the off. MODEL NAME EDIT KDL-32EX355 [</>]Set [Home] Exit KDL-22EX355/32EX355/32EX356/40EX455/40EX456...
  • Page 35: Accessing Factory Adjustment Mode

    For these models, adjusment data is changed in Factory Mode. Model Name Panel Code Panel Type Panel ID ADJUSTING THE COLOR TEMPERATURE KDL-22EX355 15_LED_WXGA_CMI_22 V216B1LE3 The default White Balance data values are set for optimal viewing. The KDL-32EX355 following instructions are for technicians who have been requested to...
  • Page 36 <[ ]> R Offset <[ ]> G Offset <[ ]> B Offset <[ ]> Recall Data <[ ]> Data Backup <[ ]> [</>]Set [EXIT] Exit Press the buttons to select the Color Temp type. (Cool, Neutral, Warm1, or Warm2.) KDL-22EX355/32EX355/32EX356/40EX455/40EX456...
  • Page 37 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 9-883-889-01 © 2012.6 Service Publication Department KDL-22EX355/32EX355/32EX356/40EX455/40EX456...
  • Page 38: 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-32ex355Kdl-32ex356Kdl-40ex455Kdl-40ex456

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