Sony XBR-75X945C, Service Manual

Page: 129 / 209

XBR-65X930C, 75X940C, 945C
129
SEC 3. TROUBLE SHOOTING
3-1. TRIAGE
Reference
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
No
Power
Video
- missing or distorted
Remote Network Audio Skype Smart Core
Bluetooth
(BT)
2 3 4 5 6 7 8 9 10
No White
Power LED
& does not
reponse to
remote
(Dead Set)
Stationary
colored
lines or
dots
No video One
of Inputs
No video all
Inputs
No Remote
Wireless
can't connect
No Audio
Skype
Can't Work
Smart Core no
LED (Set is still
alive)
Bluetooth /
One Step
Remote
(OSR) can't
connect
B* Board p l p p p l l p p l l p p l p p p
G* Board l p p p l l p
H* Board p
l l
K* Board p l
Speaker p l
Wifi & BT Module
l l
p
l
LD* Board l p
V By One FFC
p p p
Tcon
l
p p p
LCD Panel p l l p l p
Problem
Power Power LD
Panel
(Communi
cation)
Panel
(Backlight) TEMP
Soft-
ware Emitter
Audio
Local
UART
Local
I2C
Chart of triage information
1. Confirm the claimed symptom.
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
BLACK TEXT: Board that may correct the symptom
Sets with software version updated or installed to PKG2173 or higher have this function disabled.