Sony XBR-55X900H / X900H GN6UR Chassis Service Manual (PDF)
Original price was: $95.00.$18.95Current price is: $18.95.
Official Sony LCD TV Service Manual for GN6UR (NX/NXB) chassis covering XBR-55X900H and related X900H series models. Includes safety notes, self-diagnostic LED blink codes, service mode self-check screen, technical triage charts, troubleshooting flowcharts, service adjustment procedures, diagrams, and panel handling—ideal for board-level fault isolation and repair
Description
Sony XBR-55X900H / X900H GN6UR Chassis Service Manual (PDF) DOWNLOAD
Description
🔧 Sony X900H Series (GN6UR / NX-NXB) – Service Manual (PDF)
This is the common Sony Service Manual for the GN6UR chassis (Segment NX/NXB) used across multiple X900H-family LCD TVs. It’s packed with the real service content technicians need: LED blink diagnostics, on-screen self-check logs, triage charts to pinpoint likely boards, and structured troubleshooting flowcharts, plus service adjustments and diagrams.
✅ Models Covered
Includes coverage for many regional model names in the same chassis family, including:
XBR-55X900H / XBR-65X900H / XBR-75X900H / XBR-85X900H
KD-55X9000H / KD-65X9000H / KD-75X9000H / KD-85X9000H
KD-55XH9005 / KD-65XH9005 / KD-75XH9005
FW-55BZ40H / FW-65BZ40H / FW-75BZ40H / FW-85BZ40H
📑 What’s Inside
1) Safety Notes
Servicing safety warnings (isolation transformer guidance, live chassis precautions)
LCD panel handling cautions + ESD handling reminders
Leakage test and lead-free solder notes
2) Self Diagnostic Function (LED Blink Codes + Self-Check Screen)
Smart Core Red LED blinking quick reference
Error categories like:
2x: Main 12V over-voltage
3x: Main 5V failure / audio protection
4x: LED driver failure / I2C communication errors
5x: Panel ID EEPROM / panel power suspected
6x: Backlight failure
7x: Over-temp protection
Service menu entry to view stored failure history (self-check display)
3) Troubleshooting
“Technical triage summary sheet” to decide which boards/cables to bring and what’s most likely defective
Step-by-step flowcharts for common faults such as:
No Power / Dead set
u-com failure
DDCON/LDO checks
2x / 3x / 4x blink condition troubleshooting
4) Service Adjustment
Service mode and adjustment procedures (system information checks, settings after board replacement)
5) Diagrams
Circuit/diagnostic diagrams to support fault isolation
6) Panel Handling
Panel handling guidance to prevent damage during service
📌 File Details
| Item | Details |
|---|---|
| Manual Name | Sony LCD TV Service Manual (Common) – GN6UR Chassis (NX/NXB) |
| Models Covered | XBR-55X900H and multiple X900H-family variants (see list above) |
| Document Code | 9-888-784-02 |
| Original Issue | 2020.03 |
| Revision | 2020.06 (adds software update info) |
| Manual PDF Quality | Text + tables + flowcharts/board check visuals |
| Pages | 111 pages |
Fix your X900H faster with the exact Sony diagnostic blink codes + troubleshooting flowcharts + service adjustments technicians use. Instant PDF download so you can start diagnosing immediately.
