Sony KDL-46EX400 Service Manual

Sony KDL-46EX400 Service Manual

Lcd digital color tv
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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE MANUAL
SERVICE MANUAL
ORIGINAL MANUAL ISSUE DATE: 1/2010
Version Date
Subject
1.0
1/5/2010
No revisions or updates
2.0
4/19/2010 Added Safety Related Warning. Replaced page 5.
Corrected instructions for Accessing Factory Mode. Replaced page 19.
AZ1-K
Chassis
LCD Digital Color TV
9-883-842-02

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Summary of Contents for Sony KDL-46EX400

  • Page 1 HISTORY INFORMATION FOR THE FOLLOWING MANUAL: SERVICE MANUAL SERVICE MANUAL AZ1-K Chassis ORIGINAL MANUAL ISSUE DATE: 1/2010 Version Date Subject 1/5/2010 No revisions or updates 4/19/2010 Added Safety Related Warning. Replaced page 5. Corrected instructions for Accessing Factory Mode. Replaced page 19. LCD Digital Color TV 9-883-842-02...
  • Page 2 Self Diagnosis Supported model SERVICE MANUAL SERVICE MANUAL AZ1-K Chassis LCD Digital Color TV 9-883-842-02...
  • Page 3 MODEL LIST MODEL COMMANDER DESTINATION MODEL COMMANDER DESTINATION KDL-46EX400 RM-YD035 KDL-46EX400 RM-YD035 LATIN AMERICA KDL-46EX400 RM-YD035 MEXICO KDL-46EX400 RM-YD035 KDL-46EX401 RM-YD035 MEXICO 9-883-842-02...
  • Page 4: Table Of Contents

    1-7. Accessories & Packing ..............................17 1-8. Miscellaneous ................................. 17 1-9. Remote Commander ..............................17 SEC 2. Service Adjustments ................................18 2-1. Accessing Service Adjustment Mode ..........................18 SEC 3. Diagrams ...................................20 3-1. Circuit Boards Location ..............................20 3-2. Block Diagram ................................21 KDL-46EX400/46EX401...
  • Page 5: Specifi Cations

    , Motionflow, BRAVIA Sync, and VIDEO IN 1/2 VIDEO: 1 Vp-p, 75 ohms unbalanced, sync negative are trademarks or registered marks of Sony Corporation. AUDIO: 500 mVrms (Typical) / Impedance: 47 kilohms “PlayStation” is a registered trademark and “PS3” is a trademark of COMPONENT IN 1/2 (Component Video): Y: 1.0 Vp-p, 75 ohms unbalanced, sync negative / P...
  • Page 6: Specifications

    (1)/Table-Top Stand (1 set) i v i Optional accessories Connecting cables / Support Belt Kit / Wall-Mount Bracket: SU-WL500 • Optional accessories availability depends on its stock. • Design and specifications are subject to change without notice. KDL-46EX400/46EX401...
  • Page 7: Warnings And Cautions

    Components identifi ed 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 specifi...
  • Page 8: Warning And Cautions

    Les composants identifi es par une trame et par une marque ! sur les schemas de principe, les vues explosees et les listes de pieces sont d’une importance critique pour la securite du fonctionnement. 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.
  • Page 9: Safety-Related Warning

    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-46EX400/46EX401...
  • Page 10: Safety Check-Out

    Figure A. Using an AC voltmeter to check AC leakage. Check the antenna terminals, metal trim, “metallized” knobs, screws, and all other exposed metal parts for AC leakage. Check leakage as described below. KDL-46EX400/46EX401...
  • Page 11: Leakage Test

    Try both 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). KDL-46EX400/46EX401...
  • Page 12: Self Diagnosis Functions

    LED blinks Possible Location Main Power Error GD2 (Power) Board Audio Error A (Main) Board LCD Panel Balancer LCD Panel TCON Control MT Board TCON Error HFR Error LCD Panel Backlight Error LCD Panel Temperature Error A (Main) Board KDL-46EX400/46EX401...
  • Page 13 SELF DIAGNOSIS FUNCTIONS STANDBY LED FLASH COUNT 2 times 5 times LED ON 0.3 sec. LED OFF Ambient Sensor/ Picture Off / Standby LED Power LED LED OFF 0.3 sec. 3 sec. (IR) Infrared Receiver Timer LED KDL-46EX400/46EX401...
  • Page 14 001 indicates an error was detected AUD_PORT 000 indicates no error was detected DC_ALERT BALANCER TCON_ERR HFR_ERR P_ID_ERR PANEL_POWE BACKLITE TEMP_ERR 00000 00010 00000 [Menu] Exit Panel Operation Time by Hour (max 99999) Boot Count (max 99999) Total Operation Time by Hour (max 99999) KDL-46EX400/46EX401...
  • Page 15 2. Panel operation time :Press the Channel Channel EXITING THE SELF CHECK DIAGNOSTIC SCREEN 1. To exit the Self Diagnostic screen, turn off the power to the TV by pressing the POWER button on the remote or the POWER button on the TV. KDL-46EX400/46EX401...
  • Page 16: Sec 1. Disassembly/Part Number Information

    TABLE-TOP STAND ASSEMBLY (L3B) [2-4] 2-580-608-01 SCREW, +PSW M5X16 4-167-479-01 COVER, STAND (L3B) For product protection and safety reasons, Sony strongly recommends 4-166-871-01 COVER,NECK(ML3B) that you use the screws provided with the TV 4-166-868-01 NECK(ML3B) CAUTION: These screws cannot be used to secure the TV to...
  • Page 17: Rear Cover And Under Cover Removal

    See Appendix A: Encryption Key Components in the back of this manual. Remove 2 screws from Rear Cover Top-Center (Check the Sony Electronics Service Information website for any additional service related issues for this model.) Remove 2 screws from Rear Cover Bottom-Center...
  • Page 18: Speaker Brackets, Loudspeakers, Ac Inlet, And Panel Supports Removal

    Remove 2 screws from Loudspeaker and lift up to detach from Speaker Bracket Left (Check the Sony Electronics Service Information website for any additional service related issues for this model.) Remove 1 screw from AC Inlet Bracket to detach from Bottom Frame...
  • Page 19: Bottom Frame, Switch Unit, Gd2 (Power) Board, A Board, Side Jack Bracket, Lcd Panel, And H2 Board Removal

    Holder (KDL-46EX400 US MODELS ONLY) 1-857-593-21 A BOARD, COMPLETE 1-474-205-11 GD2 (POWER) BOARD, COMPLETE X-2547-683-1 BEZEL (CY46)F ASSEMBLY (KDL-46EX400 CND & MX MODELS ONLY) 1-487-889-11 SWITCH UNIT X-2546-679-1 BEZEL (CY46)DF ASSEMBLY (KDL-46EX401 ONLY) 2-580-640-01 SCREW, +BVTP 4X16 TYPE2 IT-3 2-580-592-01...
  • Page 20: Cleaning The Lcd Panel

    See Appendix A: Encryption Key Components in the back of this manual. Clean the cabinet of the TV with a dry soft cloth. (Check the Sony Electronics Service Information website for any additional service related issues for this model.) Wipe the LCD screen gently with a soft cloth.
  • Page 21: Accessories & Packing

    DISASSEMBLY/PART NUMBER INFORMATION 1-7. ACCESSORIES & PACKING 1-8. MISCELLANEOUS A-1758-142-A ACCESSORY ASSY 4-163-802-01 BRACKET, VESA (S) (KDL-46EX400 ONLY) 1-823-512-12 POWER SUPPLY CORD A-1758-122-A ACCESSORY ASSY X-2348-140-1 SUPPORT BELT KIT (KDL-46EX401 ONLY) 4-175-270-01 CARTON, INDIVIDUAL (CY46)D 1-9. REMOTE COMMANDER (KDL-46EX401 ONLY)
  • Page 22: Sec 2. Service Adjustments

    No Define ]> POWER [</>]Set [Menu] Exit NOTE: The Service Mode information will be covered in the DISPLAY training manual for these models. 3. To exit service mode, turn the POWER off. Onscreen cursor and select button VOLUME+ RM-YD035 KDL-46EX400/46EX401...
  • Page 23: Service Adjustments

    Audio Quality AQ1.000 MCU Version SM1.00W00AA Pahel Info MT001.0000.0000?LT MUTING EDID Version [</>]Set [Menu] Exit NOTE: The Factory Mode information will be covered in the training manual for these models. 3. To exit service mode, turn the POWER off. RM-YD035 KDL-46EX400/46EX401...
  • Page 24: Sec 3. Diagrams

    SEC 3. DIAGRAMS 3-1. CIRCUIT BOARDS LOCATION SWITCH UNIT KDL-46EX400/46EX401...
  • Page 25: Block Diagram

    DIAGRAMS 3-2. BLOCK DIAGRAM KDL-46EX400/46EX401...
  • Page 26 Sony Electronics Reproduction in whole or part without written permission is prohibited. All rights reserved Sony Corporation English 2010AJ74WEB-1 Sony Technology Center Printed in USA Technical Services 9-883-842-02 © 2010.1 Service Promotion Department KDL-46EX400/46EX401...

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Kdl-46ex401

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