Troubleshooting - Sony KD-55XD9305 Service Manual

TROUBLE SHOOTING
TRIAGE
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
BLACK TEXT: Board that may correct the symptom
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
Reference
2 3 4
B* Board p l p
G* Board/ADP
l p p
H* Board
Speaker p
Wifi & BT
Module
LD* Board l p l
V By One FFC
Tcon
LCD Panel p
Temp Board
Power Power LD (Communication)
Problem
Audio
KD-55/65XD9305
No White Power LED &
5 6 7 8 9 10 does not response to
remote (Dead Set)
p p l l
p l
p l
p
l
l l
l
Panel Panel Soft-
(Backlight) TEMP ware
4KBE
Video
No
Remote
Power - missing or distorted
Stationary
No video
colored No video
One of No Remote
lines or all Inputs
Inputs
dots
p p l l p
l
p
l
l p
p p
p p
p
l
Network Audio Skype
Wireless Skype
No Audio
can't connect Can't Work
p l p
p
l
l p
p
Bluetooth
Smart Core
(BT)
Bluetooth / One
Smart Core no LED Step Remote
(Set is still alive) (OSR) can't
connect
p p
l
l
20