Triage Chart - Sony XBR-70X850B Repair Manual

TRIAGE CHART

Use this general Triage Chart to determine what may possibly be causing the error before going out to the customers location.
1. Confirm the symptom from the customer.
2. Select that symptom from the chart.
3. Bring the primary component listed for that symptom.
4. Follow the associated flowcharts in the Training Manual to isolate the board.
5. Chart Color Code.
Symptoms - Shutdown. Power LED blinking
red diagnostics sequences
Board Reference
2X 3X
▲

MAIN BOARD
▲
TUNER BOARD
▲
K BOARD
▲

POWER SUPPLY
H BOARD
▲
SPEAKER
CAMERA MODULE
MIC MODULE
WIFI
BT MODULE
LD BOARD
LVDS FFC
TCON
LCD PANEL
POWER POWER
AUDIO
LOCAL I2C
Problem
4K
UNIQUE
(ROGUE/
SCORPIO
4K FRC)
*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.
XBR-70X850B
No
Power
No White
4X 5X 6X 7X 8X 9X
Power lines or
LED
▲ ▲ ▲
 
▲

▲
 


▲
▲ ▲

▲
 

BACK- SOFT-
LD TCON TEMP
LIGHT WARE
SECTION 2 - TROUBLESHOOTING
Red Dot: (Primary) Most likely defective part.
Blue Triangle: (Secondary) Possible defective part.
Video Remote Network
Steady No Video Wireless
No Video No Remote
One of can't
All Inputs (IR RC)
dots Inputs connect
▲ ▲ ▲
 
▲
 


▲
▲ ▲
▲ ▲
▲

Smart
Audio Skype
Core
Bluetooth
No Can't
can't No LED
Audio
work
connect
▲
▲ ▲ ▲
▲

▲


▲

▲

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