Sony XBR-55X900H Service Manual page 17

2021/04/27 23:25:57 (GMT+09:00)
Triage Chart (NX2)
Before you make the service call...
1. Confirm the symptom from the customer.
2. Select that symptom from the chart.
3. Bring all the boards and cables listed for that symptom.
4. Follow the troubleshooting charts in the technical guides to isolate the board.
5. Chart Color Code
RED DOT: Most likely defective part
BLUE TRIANGLE: Secondary possible defective part
GREEN SQUARE: Tertiary possible defective part
BLACK TEXT: Board that may correct the symptom
No
Power
Reference
No White Power
LED & does not
response to remote
(Dead Set)
▲
Main Board
●
Power Board
▲
Reiving Board
Speaker
Wifi & BT Module
Local Dimming
Board
V By One FFC
Tcon
LCD Panel
Problem
SAFETY NOTES
Video
- missing or distorted
Stationary colored No video One of
NO RF input
lines or dots Inputs
●
▲
▲
▲
●
SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING
T R O U B L E S H O O T I N G
Remote
No video all Inputs No Remote
●
▲
▲
●
▲
▲
■
■
SERVICE ADJUSTMENT
Network Audio Smart Core
Cannot connect to Smart Core no LED
No Audio
Wireless Network (Set is still alive)
●
▲
▲
●
●
DIAGRAM
Bluetooth (BT)
Bluetooth / One Step
Remote (OSR) can't
connect
▲ ▲
●
●
17
HANDLING GUIDE
SYS SET