Sony KDL-40BX450 Service Manual
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Also See for KDL-40BX450:
- Service training manual (142 pages) ,
- Operating instructions manual (120 pages) ,
- Specifications (3 pages)
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Table of Contents
Related Manuals for Sony KDL-40BX450
Summary of Contents for Sony KDL-40BX450
- Page 1 Self Diagnosis Supported model HISTORY INFORMATION FOR THE FOLLOWING MANUAL: SERVICE / TRAINING MANUAL AZ3FK Chassis Segment: P-2F ORIGINAL MANUAL ISSUE DATE: 2/2012 Version Date Subject 2/24/2012 Original Manual Release Date LCD Digital Color TV 9-883-873-01...
- Page 2 Self Diagnosis Supported model SERVICE / TRAINING MANUAL AZ3FK Chassis Segment: P-2F LCD Digital Color TV KDL-40BX450 9-883-873-01...
- Page 3 MODEL LIST MODEL COMMANDER DESTINATION MODEL COMMANDER DESTINATION KDL-40BX450 RM-YD080 US/CND KDL-46BX450 RM-YD080 US/CND KDL-40BX450 RM-YD080 LA/MX KDL-46BX450 RM-YD080 LA/MX KDL-40BX451 RM-YD080 KDL-46BX451 RM-YD080 KDL-40BX451 RM-YD080 9-883-873-01...
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Page 4: Table Of Contents
Updating the Software .................24 Accessing Service Adjustment Mode ............24 Standby LED Blinking ................12 Selecting the Panel ID Code ...............25 No Video ....................13 Accessing Factory Adjustment Mode ............26 Adjusting the Color Temperature ............26 APPENDIX A: ENCRYPTION KEY COMPONENTS ........A-1 KDL-40BX450/40BX451/46BX450/46BX451... -
Page 5: 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 6 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-40BX450/40BX451/46BX450/46BX451...
- 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-40BX450/40BX451/46BX450/46BX451...
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Page 8: How To Find A Good Earth Ground
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-40BX450/40BX451/46BX450/46BX451... -
Page 9: Section 1 - Features And Overview
FEATURES SPECIFICATIONS The AZ3FK chassis is one of several designs for the 2012 model line of System Sony Bravia® LCD televisions. This manual covers the following models: Television system NTSC: American TV standard ATSC (8VSB terrestrial): ATSC compliant 8VSB KDL-40BX450... - Page 10 SECTION 1 - FEATURES AND OVERVIEW Model name KDL-46BX450 KDL-40BX450 KDL-46BX451 KDL-40BX451 Power and others Power requirement 110-240 V AC, 50/60 Hz (U.S.A./Canada/Mexico 120 V AC, 60 Hz) Power consumption in use in standby Less than 0.2 W with 120 V AC and with 240 V AC less than 0.3 W...
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Page 11: Chassis Overview
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 19. For Wire Dressing information, refer to “Wire Dressing” on page G10/G11 SWITCH UNIT BOARD LAYOUT KDL-40BX450/40BX451/46BX450/46BX451... -
Page 12: Overall Circuit Description
This board contains the power, channel and volume up/down, and menu buttons. HDMI Input and Switching: The customer can select the HDMI1 through HDMI4 input. Each HDMI input contains a dedicated EDI NVM (not shown) to provide display information data to any device connected via the HDMI inputs. KDL-40BX450/40BX451/46BX450/46BX451... -
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-40BX450/40BX451/46BX450/46BX451... -
Page 14: Section 2 - Troubleshooting
Not all of the available protect codes are used in every model. For example, resolved by updating the TV software to the latest version. Always check models that don’t have the local dimming feature do not use the 4X blink the Sony Authorized Servicer Portal at http://www.sony.com/asp for any error as this circuit is found in models that are backlit with fluorescent lamps. -
Page 15: Viewing The Self Check Diagnosis History
No Log SERIAL NUMBER EDIT 5000027 4X Blink – Balancer Error MODEL NAME EDIT KDL-40BX450 NOT USED IN THIS MODEL SERIES [</>]Set [Home] Exit 5X Blink - TCON Error/Panel Error The 5X blink protection mode indicates a communications error with the... -
Page 16: Triage Chart
***Backlight Does NOT Turn ON before TV Shuts **Backlight Turns ON before TV Shuts Off FOR CORRECT REPLACEMENT PARTS BASED 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. KDL-40BX450/40BX451/46BX450/46BX451... -
Page 17: Section 3 - Flow Charts And Diagrams
HDMI 3 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 G10 (40") G11 (46") OVERALL BLOCK DIAGRAM KDL-40BX450/40BX451/46BX450/46BX451... -
Page 18: No Power
REG 12V 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 TCON_ON G10 (40") G11 (46") POWER AND CONTROL BLOCK DIAGRAM KDL-40BX450/40BX451/46BX450/46BX451... - 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-40BX450/40BX451/46BX450/46BX451...
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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-40BX450/40BX451/46BX450/46BX451... -
Page 22: Kdl-40Bx450/40Bx451/46Bx450/46Bx451
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-40BX450/40BX451/46BX450/46BX451... -
Page 23: Section 4 - Disassembly/Part Number Information
D Hold Power Supply Cord while lifting up Rear Cover, 4-409-857-11 REAR COVER (46APOF) For product protection and safety reasons, Sony strongly recommends then pass Power Supply Cord through Rear Cover (KDL-46BX450/46BX451 ONLY) that you use the screws provided with the TV. -
Page 24: Handling The Lvds Ffc Connector
Main Board connector. Holding onto the entire LVDS FFC Connector, insert the LVDS FFC Connector into the Main Board connector. Main Board Main Board Press down Reinforcement Reinforcement Press down KDL-40BX450/40BX451/46BX450/46BX451... -
Page 25: Main Board (A) And Power Supply Board (G10/G11) Removal
BRACKET, SIDE (APOF) 1-895-183-11 H BOARD, MOUNTED 1-895-182-11 A BOARD, COMPLETE 1-858-771-11 SPEAKER 4X10 (L) (KDL-40BX450/46BX450 ALL EXCEPT LA MODELS) 1-839-938-31 POWER-SUPPLY CORD AFTER REPLACING THE MAIN BOARD, YOU MUST UPDATE THE 4-300-803-01 COVER, AC CORD (40APOF) SOFTWARE TO THE LATEST VERSION... -
Page 26: Panel Brackets And Lcd Panel Removal
See Appendix A: Encryption Key Components in the back of this manual. NOTE: The Insulation Sheet is NOT included with the replacement LCD Panel. (Check the Sony Authorized Servicer Portal at http://www.sony.com/asp website for any additional service related issues.) A Remove Panel Brackets from Bezel. -
Page 27: Connectors
See Appendix A: Encryption Key Components in the back of this manual. (Check the Sony Authorized Servicer Portal at http://www.sony.com/asp website for any additional service related issues.) SCREWS SCREW INFORMATION NOT AVAILABLE FOR THESE MODELS REF. -
Page 28: Accessories And Packaging
SCREW, +PSW M5X16 (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 29: Wire Dressing
SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION WIRE DRESSING KDL-40BX450/40BX451/46BX450/46BX451... -
Page 30: Section 5 - Updates And Adjustments
Keeping the software in the television up-to-date is a procedure that is normally handled by the owner of the television. 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 KDL-40BX450/40BX451/46BX450/46BX451... -
Page 31: Software Update Responsibility
Contact Sony screen by using the customer menu. ● Certain features not working correctly Contact Sony (photo or video file viewing) Please contact Sony directly if you have questions on the use of your television con: Website Support: www.sony.com/tvsupport United States Phone Contact:... -
Page 32: Overview
After replacing the main Board, LCD Panel, or TCON Board, you MUST DISPLAY POWER Channel Volume UPDATE the SOFTWARE to the latest version. Instructions for updating the software are included with the software package on the Sony Authorized POWER Service Portal website. DISPLAY Onscreen cursor and select button... -
Page 33: Selecting The Panel Id Code
>> Mode. Instructions for updating the software are included with the software Self diagnosis history >> Status Information… >> package on the Sony Authorized Service Portal site. LVDS Spectrum(%0) <[ ]> TV must be in Standby mode. (Power On). DPMS <[... -
Page 34: Accessing Factory Adjustment Mode
13_FHD_SLCD_40 ]> MUTING MUTING HOME UART Selection No Log SERIAL NUMBER EDIT 5000027 Factory Mode MODEL NAME EDIT KDL-40BX450 Input Source <[ ]> [</>]Set [Home] Exit White Balance <[ ]> Internal Pattern <[ ]> Using the table below, press the... - Page 35 <[ ]> R Offset <[ ]> G Offset <[ ]> B Offset <[ ]> Recall Data <[ ]> Data Backup <[ ]> [</>]Set [EXIT] Exit Press he buttons to select the Color Temp type. (Cool, Neutral, Warm1, or Warm2.) KDL-40BX450/40BX451/46BX450/46BX451...
- Page 36 Sony Electronics Reproduction in whole or part without written permission is prohibited. All rights reserved Sony Corporation English 2012BJ74WEB-1 Sony Technology Center Printed in USA Technical Services 9-883-873-01 © 2012.2 Service Publication Department KDL-40BX450/40BX451/46BX450/46BX451...
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Page 37: 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 .