Related Manuals for Sony XBR-75X855C
Summarization of Contents
SERVICE MANUAL
Manual History and Identification
Details on the manual's history, issue date, chassis, and segment.
Warnings and Cautions
General Safety and Handling Precautions
Covers service safety, shock hazards, carrying, critical components, batteries, and LCD panel.
Safety Check-Out Procedures
Post-Repair Checks and Tests
Verifying repairs, leakage tests, and grounding before releasing the TV.
Self Diagnosis Function
Diagnostic Indicators and Screen Usage
Explanation of LED codes, screen display, and how to use the diagnostic function.
SEC 1. DISASSEMBLY
General Disassembly Guidelines
General caution regarding the disassembly and assembly of parts.
Model-Specific Disassembly Steps
Step-by-step instructions for disassembling various components across different models.
SEC 2. ADJUSTMENT
Service Mode Entry and Operation
Steps to enter service mode, use the remote commander, and navigate menus.
Software Version and Model Configuration
How to check software version and configure model information in service mode.
Serial Number and Model Number Editing
Procedures for editing serial number and setting model number.
White Balance and Data Transfer Adjustments
Procedures for WB adjustment and data transfer for Mura/CUC.
HDD Performance Check and Re-registration
Procedures for checking HDD performance and re-registration.
SEC 3. TROUBLE SHOOTING
Triage and Initial Diagnosis
Guide to using the triage chart for diagnosing symptoms based on LED blinking.
No Power Troubleshooting Flowcharts
Flowcharts for diagnosing 'No Power' issues related to PCU, U-Com, DDCON, and LDOs.
LED Blinking Error Troubleshooting
Troubleshooting for common LED blinking error codes (2x, 3x, 4x, 5x, 6x, 7x).
HDMI and Picture Input Troubleshooting
Diagnosing 'No Picture' or 'HDMI EQ Error' issues for HDMI inputs.
No Sound Troubleshooting
Diagnosing 'No Sound' issues related to audio, tuner, MHL, and HDMI.
No Picture Troubleshooting Flowcharts
Flowcharts for diagnosing various 'No Picture' scenarios including tuner and video inputs.
SEC 4. DIAGRAMS
Block Diagrams by Model
Schematic block diagrams illustrating the internal architecture of different TV models.
Connector Diagrams and Pin Assignments
Detailed diagrams showing connector pin assignments for various models.
PC Board Diagrams
Printed circuit board layouts for the BMFL board (A and B sides).
Circuit Boards Location
Diagrams showing the physical location of major circuit boards within different TV models.
SEC 5. EXPLODED VIEWS
Exploded View Notes
Explanations of symbols and notes used in the exploded views section.
Exploded View: Rear Cover
Detailed exploded view of the rear cover assembly and its parts for XBR-55 models.
Exploded View: LCD Panel
Detailed exploded view of the LCD panel assembly and its components for XBR-55 models.
Exploded View: Connectors and Screws
Exploded views showing connectors and screw types with part numbers.
Exploded View: Smart Core Assemblies
Exploded views of Smart Core (M,L) and (L,C) assemblies for different models.
Other Parts and Accessories
Lists miscellaneous parts and accessories like labels, remotes, and stands.
APPENDIX-1
USB Software Update Procedures
Step-by-step guide for updating TV software using a USB drive.
Software Update After Board Replacement
Guides for updating software after replacing B board or Panel/T-CON.
APPENDIX-2
Wire Dressing Guidelines by Model
Visual guides for wire dressing using tape and ties for XBR-55, XBR-65, and XBR-75 models.
APPENDIX-3
Panel Handling and Unpacking Guidance
Instructions for safely unpacking and handling the TV panel.
Panel Carrying and Placement Guidance
Guidelines for carrying and placing the TV panel to avoid damage.
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