Troubleshooting - Sony KD-43X7 G Series Service Manual

2019/05/01 02:23:15 (GMT+09:00)
Triage Chart
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 Colour Code
RED DOT: Most likely defective part
BLUE TRIANGLE: Secondary possible defective part
BLACK TEXT: Board that may correct the symptom
Reference
2
B* Board
p
G* Board l
H* Board
Speaker
Wifi Module
LD* Board l
VBO FFC
Tcon/Source Board
LCD Panel
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
3 4 5
l p p
p l
p
l
p
p l
p l
SECTION 3

TROUBLESHOOTING

Video
No
Power - missing or distorted
No White Power
Stationary No video
LED & does not
6 colored lines One of
reponse to remote
or dots Inputs
(Dead Set)
p p p l
l l
l p
p
p
p l
CHASSIS:
Remote Network
No video all Wireless
No Remote
Inputs can't connect
l p p
l
l
p
p
p
SG 43/49/55/65
Audio Smart Core
Smart Core no LED
No Audio
(Set is still alive)
l p
p
l
l
15
SYS SET