Sony XBR-49X850B Repair Manual
Lcd digital color tv
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Also See for XBR-49X850B:
- Operating instructions manual (59 pages) ,
- Operating instructions manual (80 pages) ,
- Operating instructions manual (82 pages)
Table of Contents
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Table of Contents
Related Manuals for Sony XBR-49X850B
Summary of Contents for Sony XBR-49X850B
- Page 1 Self Diagnosis Supported model HISTORY INFORMATION FOR THE FOLLOWING MANUAL: REPAIR MANUAL RB2T Chassis Segment: HA MODEL COMMANDER DESTINATION XBR-49X850B RM-YD102/RMF-YD003 US/CND/LA/MX XBR-49X850B Version Date Subject 06/03/2014 Original Manual Release Date. LCD Digital Color TV 9-888-632-01...
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Page 2: Table Of Contents
Removing the Rear Cover ...................13 Checking the Accessories..................1 Replacing the Main Board and Tuner Board ..........14 Board Layout ....................2 Replacing the Power Supply Board .............17 XBR-49X850B .......................2 Replacing the Switch Unit ................18 Smart Core Block....................2 Removing the USB Assembly ..............18 Wire Dressing ....................3 Removing the Speakers ................18... -
Page 3: Cautions And Warnings
Ne les remplacer que par des composants Sony dont le numero de piece est indique dans le NOTE: Do not modify the original design without obtaining written permission present manuel ou dans des supplements publies par Sony. -
Page 4: Leakage Test
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. XBR-49X850B... -
Page 5: Section 1 - Specifications And Layouts
- Port Replicator accessories (set) - Table-Top Stand (2) - Size AAA batteries (4) - IR Blaster (1) - Fixing Screws for Table-Top Stand * Refer to the model name printed on the remote (M5 × 12) (4) control. XBR-49X850B... -
Page 6: Board Layout
SECTION 1 - SPECIFICATIONS AND LAYOUTS BOARD LAYOUT XBR-49X850B SMART CORE BLOCK MAIN BOARD WIRELESS LD BOARD (BAXF BOARD) LAN CARD POWER SUPPLY (G7A BOARD) BT MODULE TUNER BOARD (TUS BOARD) T CON K2 BOARD HSC2 BOARD SWITCH UNIT SMART CORE... -
Page 7: Wire Dressing
SECTION 1 - SPECIFICATIONS AND LAYOUTS WIRE DRESSING XBR-49X850B SMART CORE BLOCK XBR-49X850B... -
Page 8: Section 2 - Troubleshooting
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 XBR-49X850B... -
Page 9: Triage Chart
*NOTE: REFER TO LCD PANELS 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 Service Portal at http://www.sony.com/asp. -
Page 10: Flowcharts And Diagrams
CAMERA LED BACKLIGHTS HEADPHONES AUDIO TUNER SWITCH DEMODULATOR TUNER BOARD UNIT ADC / DACAMP VIDEO 1 CVBS OPTICAL VIDEO 2 CVBS/COMP AUDIO OUT LOCAL DIMMING TUNER BAXF SMART CORE IR RX WIFI SWITCH UNIT HSC2 POWER SUPPLY AC IN XBR-49X850B... -
Page 11: Power And Control Block Diagram
5 NC 1 SET_12V VLED_GND 2 SA_REF_L VLED_GND 3 GL_CTRL VLED_GND 4 LD_ERR VLED_GND 5 VLED_GND SENSE_GND 6 VLED_GND LD_ERR 7 VLED_GND GL_CTRL 8 VLED_GND 13 NC 9 VLED_GND REG12V 10 SA_REF_H 11 VLED_VCC 12 VLED_VCC 13 VLED_VCC 14 VLED_VCC XBR-49X850B... -
Page 12: No Power Flowchart
See Stanby High (3.3V) Power Supply Is Standby LED Power Supply LED Blinking appears Board* blinking? Board* Flowchart momentarily? Power Supply Main Board* Board* *For Part Number information, refer to “Section 4 - Exploded View/Part Number Information” on page XBR-49X850B... -
Page 13: Standby Led Blinking Flowchart
See Triage Chart HEM3 Board Main Board* After a while Check ventilation Imediately LCD Panel/ TCON Power Supply Main Board* LD Board* (LCD Panel)* Board* *For Part Number information, refer to “Section 4 - Exploded View/Part Number Information” on page XBR-49X850B... -
Page 14: No Video Flowchart
Locate Backlights CN6401 on Zero volts at Zero volts at LCD Panel* turned on? Power Supply Pin 5? Pin 3? Board. Sony logo TCON* Main Board* appears Main Board* (LCD Panel) momentarily? Unplug LVDS connector with Test patterns TCON* unit off. Turn unit... -
Page 15: Video Distortion Flowchart
Main Board* (LCD Panel) Any horizontal LCD Panel* lines? Any single or LCD Panel* isolated vertical lines? More than 1 TCON* vertical band? (LCD Panel) *For Part Number information, refer to “Section 4 - Exploded View/Part Number Information” on page XBR-49X850B... -
Page 16: No 3D Viewing
Active Double images Active 3D become one/ 3D Glasses/ become one? Glasses Remote works One Touch Remote Control? Bluetooth 3D OK Board* *For Part Number information, refer to “Section 4 - Exploded View/Part Number Information” on page XBR-49X850B... -
Page 17: Section 3 - Repair Information
1. Locate and remove 1 screw and disconnect 1 connector from 2. Locate and remove all screws from the Rear Cover. the Camera Module to lift as shown and detach from TV. XBR-49X850B... -
Page 18: Replacing The Main Board And Tuner Board
Insert the USB device with the latest Software into the TV. the Main Board Plate to detach. b. Press to turn on the TV. POWER c. Wait until the Software update is complete and the TV turns OFF. Main, Plate Main, Plate XBR-49X850B... - Page 19 DIGITAL SERVICE corrupt the Sofware requiring a Main Board replacement. 002 MODEL 002 MODELNAME XBR-49X850B 11. Select the correct destination of the TV, press to increase or WRITE to decrease the data value (Use the table below for reference). Model Name...
- Page 20 If the incorrect Serial Number is entered, press RETURN 002 MODEL to go back to the Serial Number input screen and re-enter 005 VAR_TYPE the correct number. WRITE 21. Press to save the Serial Number. DIGITAL (MODEL) SERVICE SerialNumberEdit *1 SerialNumber 5000001 WRITE XBR-49X850B...
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Page 21: Replacing The Power Supply Board
TV. POWER d. Press to exit the Self Check screen. POWER c. Wait until the Software update is complete and the TV turns OFF. 8. Cycle AC Power (Unplug and plug AC Cord from the outlet). XBR-49X850B... -
Page 22: Replacing The Switch Unit
2. Refer to these instructions for removing the opposite speaker. 2. Release the USB connector from the Bracket, Top. Then lift USB Holder to detach from Cable with Connector (USB) as shown. USB Holder USB Holder Cable with Cable with Connector Connector (USB) (USB) XBR-49X850B... -
Page 23: Removing The Smart Core Block
3. Release the hooks to detach the Back Cover, then lift the Mic Unit to remove. Unit Unit 4. Locate and unclamp the clips from BT Module and Wireless LAN Card, then slide as shown to detach. Wireless Wireless BT Module BT Module LAN Card LAN Card XBR-49X850B... -
Page 24: Section 4 - Exploded View/Part Number Information
SECTION 4 - EXPLODED VIEW/PART NUMBER INFORMATION XBR-49X850B Components not identified by a part number or description The component parts of an assembly are indicated by the reference numbers in are not stocked because they are seldom required for routine the far right column of the parts list and within the dotted lines of the diagram. - Page 25 NOTE: The components identified by a red outline and a mark contain confidential NOTE: The components identified by shading and XBR-49X850B 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.
- Page 26 NOTE: The components identified by a red outline and a mark contain confidential NOTE: The components identified by shading and XBR-49X850B 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.
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Page 27: Smart Core Block
(See Appendix A) Replace only with part number specified. REF. NO. PART NO. DESCRIPTION 4-474-892-01 TOP COVER A-2057-722-A HSC2 BOARD, MOUNTED 4-474-888-02 BOTTOM CASE 4-480-411-01 FRONT COVER 1-492-760-12 BT MODULE 1-458-723-11 WIRELESS LAN CARD 1-458-793-12 MIC UNIT 4-480-412-01 BACK COVER XBR-49X850B... -
Page 28: Connectors
1-910-109-47 CONNECTOR ASSEMBLY 14P (G7A/LD) 1-910-109-45 CONNECTOR ASSEMBLY 28P (G7A/BAXF/K2/TCON) 1-910-109-48 FLEXIBLE FLAT CABLE 20P (LD/BAXF) 1-848-368-11 (LVDS) FLEXIBLE FLAT CABLE 41P (BAXF/TCON) 1-848-369-11 (LVDS) FLEXIBLE FLAT CABLE 51P (BAXF/TCON) 1-910-109-52 CONNECTOR ASSEMBLY 20P (BAXF/K2) 1-910-109-46 HARNESS ASSEMBLY (BAXF/SPKS/SC) XBR-49X850B... -
Page 29: Screws
Stand to TV (4) 4-159-298-01 SCREW, +PSW M4X10 Camera Module (1), AC Cover (1) 4-268-126-02 SCREW, ORNAMENTAL M6X12 Rear Cover (4) Holder Neck (8), Bracket Stand Left (3), 2-580-600-11 SCREW, +PSW M4X8 Bracket Stand Right (3), Bracket Vesa (4) XBR-49X850B... -
Page 30: Section 5 - Accessories/Part Number Information
4-414-470-01 SUPPORT BELT KIT (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. REMOTE COMMANDER CAUTION: These screws cannot be used to secure the TV PART NO. -
Page 31: 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 .