Sony KDL-40R450A Repair Manual
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Sony KDL-40R450A Repair Manual

Lcd digital color tv
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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
REPAIR MANUAL
KDL-40R450A
Version
Date
1.0
01/28/2013
Subject
Original Manual Release Date.
RB1FK
MODEL
COMMANDER
KDL-40R450A
RM-YD092
KDL-46R450A
RM-YD092
Self Diagnosis
Supported model
Chassis
Segment: BA
DESTINATION
US/CND/LA/MX
CND/LA/MX
LCD Digital Color TV
9-883-499-01

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Summary of Contents for Sony KDL-40R450A

  • Page 1 Self Diagnosis Supported model HISTORY INFORMATION FOR THE FOLLOWING MANUAL: REPAIR MANUAL RB1FK Chassis Segment: BA MODEL COMMANDER DESTINATION KDL-40R450A RM-YD092 US/CND/LA/MX KDL-46R450A RM-YD092 CND/LA/MX KDL-40R450A Version Date Subject 01/28/2013 Original Manual Release Date. LCD Digital Color TV 9-883-499-01...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Cautions and Warnings ...................ii Section 4 - Exploded View/Part Number Information .........20 KDL-40R450A/46R450A ................20 Section 1 - Specifications and Layouts ............1 Connectors ....................21 Specifications ....................1 KDL-40R450A ..................21 Board Layout ....................2 KDL-46R450A ..................21 KDL-40R450A ...................2 Screws ......................22 KDL-46R450A ...................2 Wire Dressing ....................3...

  • 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-40R450A/46R450A...

  • Page 5: Section 1 - Specifications And Layouts

    Quick Setup Guide (1) / Warranty Card (1) / Safety and Regulatory Booklet (1) / Software License (1) Stand installation guide (1) / Table-Top Stand (1 set) / Screws (4) (KDL-46R450A) Screws (2) (KDL-40R450A) / Attachment Parts (2) (KDL-46R450A only) Optional accessories Connecting Cables / Support Belt Kit •...

  • Page 6: Board Layout

    SECTION 1 - SPECIFICATIONS AND LAYOUTS BOARD LAYOUT KDL-40R450A KDL-46R450A POWER SUPPLY POWER SUPPLY BOARD (GL4) MAIN BOARD BOARD (GL5) MAIN BOARD (A BOARD) (A BOARD) SWITCH SWITCH UNIT UNIT TCON TCON H BOARD H BOARD KDL-40R450A/46R450A...

  • Page 7: Wire Dressing

    SECTION 1 - SPECIFICATIONS AND LAYOUTS WIRE DRESSING KDL-40R450A KDL-46R450A KDL-40R450A/46R450A...

  • Page 8: Section 2 - Troubleshooting

    TV and then turn it off again. POWER Press the following buttons on the Remote Commander within 1 second of each other: Channel Volume DISPLAY POWER NOTE: This differs from accessing Service Adjustments Mode (Volume +). KDL-40R450A/46R450A...

  • Page 9: Triage Chart

    *NOTE: REFER TO LCD PANEL SERVICE MANUAL IN 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.

  • Page 10: Flowcharts And Diagrams

    HEADPHONE AUDIO OUT HDMI 2 ANALOG AUDIO OUT MT5389 A/V DECODER OPTICAL AUDIO OUT A/V PROCESS PC HD15 LVDS USB 1 LCD PANEL, TCON, & LED BACKLIGHTS SWITCH UNIT IR RX POWER SUPPLY AC IN GL4 (40") GL5 (46") KDL-40R450A/46R450A...

  • Page 11: Power And Control Block Diagram

    1, 3 STBY 3.3V STBY 3.3V 2, 7, 11 POWER_ON 5, 7 3, 8 VCC_12V VCC-12V AC_OFF_DET BL PWM BLKT_EN AC_DET 9, 11 AUDIO_12V POWER_ON BL_CNTRL TCON_VCC AUDIO_12V AUDIO_12V BKL_ERR BL_ERR 13, 15 VCC_12V BL_EN GL4 (40") GL5 (46") KDL-40R450A/46R450A...

  • Page 12: No Power Flowchart

    4 of Power Supply Board LED on front panel on pin 4? CN6401 on power light steady? supply board Is standby LED See protection High (3.3V) Main Board blinking? flowchart on CN6401 pin 6? Power Supply Board Power Supply Board KDL-40R450A/46R450A...

  • Page 13: Standby Led Blinking Flowchart

    STANDBY LED BLINKING FLOWCHART Protect Shutdown. Standby LED Blinking Power Supply Board Main Board “SONY” logo appears before Power Supply Board LCD Panel shutdown? LCD Panel *For Part Number information, refer to “Section 4 - Exploded View/Part Number Information” on page...

  • Page 14: No Video Flowchart

    TCON while unit Any flashes is running. This LCD Panel seen on may need to be screen? done more than once Main Board *For Part Number information, refer to “Section 4 - Exploded View/Part Number Information” on page KDL-40R450A/46R450A...

  • Page 15: Video Distorsion Flowchart

    Any horizontal LCD Panel lines? Any single or LCD Panel isolated vertical lines? More than 1 Uneven LCD Panel vertical band? brightness? LCD Panel *For Part Number information, refer to “Section 4 - Exploded View/Part Number Information” on page KDL-40R450A/46R450A...

  • Page 16: Section 3 - Repair Information

    1. Place TV facing down on a soft and flat surface. 3. Grasp the Cover Under from the corner and lift to detach from the bottom. 2. Remove 2 screws from Table-Top Stand and carefully detach from Rear Cover. KDL-40R450A/46R450A...

  • Page 17: Replacing The Main Board

    Hold the blue FFC cables and insert back in the connector. Once the black marking line is straight, close the bar to secure position. CAUTION: Make sure the black line is aligned to the Main Board connector when reinserting. KDL-40R450A/46R450A...
  • Page 18 After ALL repairs UPDATE the SOFTWARE to the latest version. Service Mode Instructions for updating the Software are included with the Software Sound Adjustment >> package on the Sony Authorized Service Portal website. Wide Band Tuning >> Range Scan… >>...
  • Page 19 (Use the table below for reference). Service Mode Model Name Panel Code Panel Type Panel ID Sound Adjustment >> Wide Band Tuning >> KDL-40R450A 20_LSY400HM02 LSY400HM02 Range Scan… >> Self diagnosis history >> KDL-46R450A 22_LSY460HN01 LSY460HN01 Status Information…...
  • Page 20 Demo Special >> Bypass AVI Info Detect <[ ]> Panel Selection <[ 20_LSY400HM02 ]> UART Selection No Log SERIAL NUMBER EDIT 6000001 MODEL NAME EDIT _ _ _ _ _ _ _ _ _ _ _ [</>]Set [Home] Exit KDL-40R450A/46R450A...
  • Page 21 No Log SERIAL NUMBER EDIT 6000001 MODEL NAME EDIT KDL-40R450A [</>]Set [Home] Exit CAUTION: The Model Name can only be selected once. Be sure to verify the information is correct before saving the changes. 25. When the complete Model Name is displayed, press 26.

  • Page 22: Replacing The Power Supply Board

    3. Disconnect the Power Cord from the Power Supply Board. 4. Disconnect all the connectors to detach from the Rear Cover. 5. Confirm if the latest version of the Software is installed and if not, you must update it. KDL-40R450A/46R450A...

  • Page 23: Removing The Bezel

    6. Gently lift up and unhook the Bezel to dettach. Caution:To avoid damaging the connector, make sure the H Board is disconnected before removing the SPK BFL from the Rear Cover. 3. Remove the harness assembly carefully. 4. Gently lift up the cover and dettach from LCD Panel. KDL-40R450A/46R450A...

  • Page 24: Section 4 - Exploded View/Part Number Information

    (See Appendix A) Replace only with part number specified. REF. NO. PART NO. DESCRIPTION [ASSEMBLY INCLUDES] 4-459-446-01 COVER, UNDER (40FANF) (KDL-40R450A ONLY) 4-459-473-01 COVER, UNDER (46FANF) (KDL-46R450A ONLY) 4-459-511-01 PLASTIC, STAND (ML1F) 1-858-888-11 LOUD SPEAKER (L) 40X100MM...

  • Page 25: Connectors

    NOTE: The components identified by shading and 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-40R450A KDL-46R450A REF. NO. PART NO. DESCRIPTION REF.

  • Page 26: 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-40R450A KDL-46R450A Rear Cover (12), Bracket Vesa (2), Rear Cover (12), Bracket Vesa (4), 2-580-639-01...

  • Page 27: Section 5 - Accesories Part Number Information

    (SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV) 4-414-470-01 SUPPORT BELT KIT 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 REMOTE COMMANDER Brackets.

  • Page 28: 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-46r450a

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