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Related Manuals for Sony KDL-40HX752
Summary of Contents for Sony KDL-40HX752
- Page 1 Self Diagnosis Supported model HISTORY INFORMATION FOR THE FOLLOWING MANUAL: SERVICE / TRAINING MANUAL AZ3G Chassis Segment: 3a ORIGINAL MANUAL ISSUE DATE: 5/2012 Version Date Subject 5/21/2012 Original Manual Release Date LCD Digital Color TV 9-883-877-01...
- Page 2 Self Diagnosis Supported model SERVICE / TRAINING MANUAL AZ3G Chassis Segment: 3a LCD Digital Color TV KDL-40HX752 9-883-877-01...
- Page 3 MODEL LIST MODEL COMMANDER DESTINATION MODEL COMMANDER DESTINATION KDL-40HX752 RM-YD078 ARGENTINA KDL-46HX752 RM-YD078 ARGENTINA 9-883-877-01...
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Page 4: Table Of Contents
Standby LED Blinking ................13 Selecting the Destination ................29 Selecting the Model Name ..............29 No Picture ....................14 Adding the Serial Number ...............30 No 3D Viewing ..................16 Confirming the Model ID and Product ID ..........32 Clearing the Self Diagnosis Self Check Information .......33 KDL-40HX752/46HX752... - Page 5 Optional Adjustments ..................39 Enabling VCOM to Adjust the Picture .............39 Setting White Balance Adjustments ............40 Resetting the TV to Factory Condition ............40 Resetting the TV to Factory Condition Using Service Mode ....40 Appendix A: Encryption Key Components ..........A-1 KDL-40HX752/46HX752...
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Page 6: 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-40HX752/46HX752... - Page 7 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-40HX752/46HX752...
- Page 8 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-40HX752/46HX752...
- Page 9 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-40HX752/46HX752...
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Page 10: Section 1 - Features And Overview
SECTION 1 - FEATURES AND OVERVIEW SPECIFICATIONS FEATURES The AZ3G chassis is one of several designs for the 2012 model line of Sony Sistema Bravia® LCD televisions. This manual covers the following models: Sistema de TV Análogo: NTSC 3.58 / PAL-M / PAL-N... -
Page 11: Checking The Accessories
* El tamaño, las dimensiones y el peso de la pantalla son valores aproximados. • La disponibilidad de los accesorios opcionales dependerá de los países, regiones, modelo del TV y de las existencias. • El diseño y las especi caciones están sujetos a cambios sin previo aviso. KDL-40HX752/46HX752... -
Page 12: Chassis Overview
(HEM3 Board), the Switch Unit, and the LCD Panel Assembly which includes the TCON Board. NOTE: For connector part number information, refer to “Connectors” on page 22. For Wire Dressing information, refer to “Wire Dressing” on page BAPS BAPS SWITCH SWITCH UNIT UNIT TCON TCON HEM3 HEM3 KDL-46HX752 ONLY KDL-40HX752 ONLY KDL-40HX752/46HX752... -
Page 13: Overall Circuit Description
LED’s that are located on this board along with the IR remote receiver Signaling (LVDS) transmitter. This circuit converts the 8-bit parallel RGB and light level sensor. video information into a set of high speed serial lines for noise-free transmission to the TCON Board circuits located internally to the LCD Panel. KDL-40HX752/46HX752... -
Page 14: 3D Ir Emitter Board
The TCON Board communicates between the LCD Panel and the microprocessor on the Main Board. NOTE: The TCON Board is not available as a replacement part for all models. To determine if the TCON Board is available as a replacement part, refer to the LCD Panels Manual. KDL-40HX752/46HX752... -
Page 15: Section 2 - Troubleshooting
4X blink the Sony site for any issues that are software related. Most symptoms that error as this circuit is found in models that are backlit with fluorescent lamps. -
Page 16: Viewing The Self Check Diagnosis History
Total operation time by hour (MAX:65535) Total operation time by hour (MAX:65535) *Format of Error History = YYMMDDhhmmss example 120123132522= Jan 23, 2012 13:25:22 (1:25:22PM) NOTE: date and time must be set for this to work SAMPLE SELF CHECK DIAGNOSIS PAGE KDL-40HX752/46HX752... - Page 17 An open LED in the backlight strings will cause an over-voltage condition in the converter circuits. The symptom will be a momentary appearance of the backlights (Sony logo may appear) followed by a 6X shutdown. Replacement of the LCD panel is required to remedy this condition.
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Page 18: Triage Chart
▲ ▲ TCON SERVICE BULLETIN SOFTWARE UPDATE WLAN *NOTE: REFER TO LCD PANEL SERVICE MANUAL IN REFERENCE * Immediate Shutdown After Power ON & 7X LIBRARY DATABASE FOR CORRECT REPLACEMENT PARTS BASED ON SERIAL NUMBER. KDL-40HX752/46HX752... -
Page 19: Section 3 - Flow Charts And Diagrams
HDMI 2 DECODER HDMI VIDEO SWITCH HEM3 HDMI 3 PROCESS HDMI 4 PC HD15 EITHERNET LVDS USB2.0 USB HUB TCON BAPS USB2.0 LCD PANEL LED BACKLIGHTS IR RX SWITCH LIGHT SENSE UNIT POWER SUPPLY/ CONVERTER AC IN OVERALL BLOCK DIAGRAM KDL-40HX752/46HX752... -
Page 20: No Power
12, 8 BLINKING AUDIO_GND 7, 9 BL_ON AUDIO_12V DIGITAL_STBY STBY3.3V 7, 8 AU_GND BLINKING 9~12 POWER_ON 13,14 REG12V PWM_DIMMER 17, 18 AU_12V DIGITAL_STBY TCON_VCC DC_DIMMER STBY3.3V BL_ON TCON_ON BL_ERR AC_OFF_DET AC_OFF_DET POWER_ON TCON_ON BAPS POWER AND CONTROL BLOCK DIAGRAM KDL-40HX752/46HX752... - Page 21 High (3.3V) Is standby LED Power Supply Power Supply Protection Shutdown appears blinking? Board* Board* flowchart momentarily? Power Supply Main Board* Board* NO POWER FLOWCHART *For Part Number information, Refer to “Section 4 - Disassembly/Part Number Information” on page KDL-40HX752/46HX752...
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Page 22: Standby Led Blinking
HEM3 Board 8x Error Main Board* After a while Check ventilation Imediately TCON Power Supply LCD Panel* Main Board* (LCD Panel)* Board* PROTECTION SHUTDOWN FLOWCHART *For Part Number information, Refer to “Section 4 - Disassembly/Part Number Information” on page KDL-40HX752/46HX752... -
Page 23: No Picture
Locate Backlights CN6205 on Zero volts at Zero volts at LCD Panel* turned on? Power Pin 2? Pin 4? Supply Board Sony logo TCON appears Main Board* Main Board* (LCD Panel)* momentarily? Unplug LVDS connector with Test patterns TCON unit off. Turn unit... - Page 24 (LCD Panel) Any horizontal LCD Panel* lines? Any single or isolated vertical LCD Panel* lines? More than 1 TCON* vertical band? (LCD Panel) VIDEO DISTORTION *For Part Number information, Refer to “Section 4 - Disassembly/Part Number Information” on page KDL-40HX752/46HX752...
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Page 25: No 3D Viewing
SYNC EMITTER displayed on Main Board* LED’s screen? View image with known working pair of shutter LOCATED ON LOWER BEZEL NEAR SONY LOGO glasses. Use video or still camera to view IR Double images IR LED’s lighting? Shutter Glasses become one? LED’s on IR... -
Page 26: Section 4 - Disassembly/Part Number Information
(SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV) A-1867-530-A HEAD PACKING (ML9) For product protection and safety reasons, Sony strongly recommends (KDL-46HX752 ONLY) that you use the screws provided with the TV. CAUTION: These screws cannot be used to secure the TV to... -
Page 27: Rear Cover Removal
AC Power Cord. Power Supply Cord B Remove the remaining screws from the Rear Cover. 19 from KDL-40HX752 Only 21 from KDL-46HX752 Only C Gently hold down the Rear Cover from the center, then carefully start to lift the Rear Cover from the bottom to create clearance between the Bezel and Rear Cover. -
Page 28: Handling The Lvds Ffc Connector
Correctly holding onto the LVDS FFC Connector, pull out the connector Connector into the Main Board connector. while continuing to hold down the release tabs of the Main Board connector. Main Board Main Board Reinforcement Press down Press down Reinforcement KDL-40HX752/46HX752... -
Page 29: Main Board (Baps) And Power Supply Board (Gl6) Removal
4-297-996-51 SHEET, INSULATION (GL6) 4-297-986-41 BRACKET, UNDER (MOLD C) ORDER THIS PART WHEN REPLACING THE LCD PANEL A-1865-272-A HL BOARD, MOUNTED 2-990-421-41 SCREW, (+PSW) (M3X6) 1-858-713-21 LOUDSPEAKER (3X15CM) A-1865-271-A HEM3 BOARD, MOUNTED 1-489-986-21 SWITCH UNIT A-1865-909-A GL6 BOARD, COMPLETE KDL-40HX752/46HX752... -
Page 30: Panel Brackets And Lcd Panel Removal
; Stubborn stains may be removed with a cloth slightly moistened with a solution of mild soap and warm water. 4-297-524-01 BRACKET, PANEL (V) (KDL-40HX752 ONLY) ; If using a chemically pretreated cloth, please follow the instruction provided on the package. 4-300-810-01... -
Page 31: Connectors
[ASSEMBLY INCLUDES] REF. NO. PART NO. DESCRIPTION [ASSEMBLY INCLUDES] 1-910-802-78 HARNESS ASSY (NON WIFI) 1-839-883-11 (LVDS) FLEXIBLE FLAT CABLE 51P (KDL-40HX752 ONLY) (KDL-40HX752 ONLY) 1-910-802-82 HARNESS ASSY (NON WIFI) 1-839-884-11 (LVDS) FLEXIBLE FLAT CABLE 51P (KDL-46HX752 ONLY) (KDL-46HX752 ONLY) KDL-40HX752/46HX752... -
Page 32: Accessories And Packaging
The 3D glasses listed below are available through the Sony store website. (SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV) Use the description to locate the part and pricing information on the Sony Store website. For product protection and safety reasons, Sony strongly recommends... -
Page 33: Wire Dressing
SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION WIRE DRESSING OVERALL WIRE DRESSING FOR KDL46HX752 ONLY OVERALL WIRE DRESSING FOR KDL-40HX752 ONLY KDL-40HX752/46HX752... -
Page 34: Section 5 - Updates And Adjustments
TCON circuits. This information is automatically loaded to updating the software in their products. If a customer contacts the Sony onto the Main Board when the TV is powered up. With the correct software Customer Support Center and it is deemed to be correctable with a software version the Main Board and/or the TCON can be replaced more efficiently. -
Page 35: Software Update Responsibility
Contact Sony There are 2 situations that can occur after replacing the Main Board. Please contact Sony directly if you have questions on the use of your television After replacing the Main Board, turn the TV ON. Website Support:... -
Page 36: Selecting The Segment Code
NOTE: There are 3 Service Menus for this model, DIGITAL, CHASSIS, and VPC. If the DIGITAL Service Menu is not displayed, Press to increase the data value to 1. JUMP OPTIONS press on the Remote Commander. CHASSIS SERVICE PID_DATA_MISMAT 1 KDL-40HX752/46HX752... - Page 37 10. Wait a minute while lights flash, and initial setup screen shows. Item Name Data Value 11. Proceed to “Selecting the Destination”. SERVICE DATA DEFINITIONS Press to move to the next category until the 002 MODEL category displays. DIGITAL SERVICE 002 MODEL 000 SEG 3a_WIFI_READY KDL-40HX752/46HX752...
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Page 38: Selecting The Destination
Using the table, press to increase the data value or ; Selected the Segment Code to decrease the data value, to select the correct destination of the TV. ; Selected the Destination Model Name Destination Data Value KDL‐40HX752 ISDB‐LTN_BASE KDL‐46HX752 ISDB‐LTN_BASE KDL-40HX752/46HX752... -
Page 39: Adding The Serial Number
The replacement board does not contain a serial number. Use the following instructions to add the customer’s serial number. CAUTION: The serial number can only be entered once. Please make sure to enter the correct serial number for the customer’s TV. KDL-40HX752/46HX752... - Page 40 DONE 21. Proceed to Confirming the Model ID and Product ID. Please input serial number (0000000-9999999) ---------------- CAUTION: The serial number can only be entered once. Please make sure to enter the correct serial number for the customer’s TV. KDL-40HX752/46HX752...
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Page 41: Confirming The Model Id And Product Id
25. Cycle AC Power. (Unplug and Plug AC Cord from the AC Outlet). 26. Wait a minute while lights flash, and initial setup screen shows. 27. TV update is complete. The additional features of the TV, including 3D, are now available. KDL-40HX752/46HX752... -
Page 42: Clearing The Self Diagnosis Self Check Information
Press the following buttons on the Remote Commander within a 103 HOST_WDT --------------------- --------------------- --------------------- 00 second of each other: 104 STBY_WDT --------------------- --------------------- --------------------- 00 DISPLAY POWER Channel Volume 00345 000333 06789 To clear the error history and error count press KDL-40HX752/46HX752... -
Page 43: Resolving An 8 Blink Error
007 FAN_ERR ----------------- ----------------- ----------------- 00 010 EMITTER ----------------- ----------------- ----------------- 00 101 VPC_WDT ----------------- ----------------- ----------------- 00 102 MEPS_WDT ----------------- ----------------- ----------------- 00 103 HOST_WDT 1201231325 1201231136 ----------------- 02 104 STBY_WDT ----------------- ----------------- ----------------- 00 00345 000333 00345 KDL-40HX752/46HX752... -
Page 44: Verifying There Is An 8X Error
Update. Do one of the following: NOTE: If TV is not connected to a network go to the Sony support website for your region and download the latest software for these a. If the Standby LED blinks red 8 times, proceed to “Resetting models and install using a USB Thumb Drive. -
Page 45: Completing Service Requirements When Replacing The Lcd Panel Or Tcon Board
CONFIRMING THE MODEL ID AND PRODUCT ID After completing all of the service adjustment changes, verify that the correct Model ID and Product ID displays in the Service menu. Verify before proceeding to the next step: ; Updated the Software KDL-40HX752/46HX752... -
Page 46: Resetting The Panel Operation Time
010 EMITTER --------------------- --------------------- --------------------- 00 101 VPC_WDT --------------------- --------------------- --------------------- 00 102 MEPS_WDT --------------------- --------------------- --------------------- 00 103 HOST_WDT --------------------- --------------------- --------------------- 00 104 STBY_WDT --------------------- --------------------- --------------------- 00 00345 000333 06789 Panel operation time Panel operation time KDL-40HX752/46HX752... -
Page 47: Clearing The Self Diagnosis Self Check Information
--------------------- --------------------- --------------------- 00 103 HOST_WDT --------------------- --------------------- --------------------- 00 104 STBY_WDT --------------------- --------------------- --------------------- 00 00345 000333 06789 Exit Self Check by turning the TV power off. Cycle AC Power. (Unplug and Plug AC Cord from the AC Outlet). KDL-40HX752/46HX752... -
Page 48: Optional Adjustments
OPTIONS Press on the Remote Commander until the VPC menu displays. All Sony TVs are set for optimal viewing performance. Refer to the following Press to move to the 002 VCOM category. instructions if the customer requests additional adjustments. ENABLING VCOM TO ADJUST THE PICTURE... -
Page 49: Setting White Balance Adjustments
004 G_BKG 005 B_BKG Press the following buttons on the Remote Commander within a second of each other: MUTING 16. To save the changes, press then press MUTING Press 17. Exit service mode by turning the TV power off. KDL-40HX752/46HX752... - Page 50 When the process is complete the green SERVICE text displays and the LED display as shown below: TIMER Standby POWER 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-40HX752/46HX752...
- Page 51 Sony Electronics Reproduction in whole or part without written permission is prohibited. All rights reserved Sony Corporation English 2012EJ74WEB-1 Sony Technology Center Printed in USA Technical Services 9-883-877-01 © 2012.5 Service Publication Department KDL-40HX752/46HX752...
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Page 52: 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 .