Read Sony KDL-70X4500 (serv.man2) Service Manual online
KDL-70X4500 (HK) 2-1
SECTION 2
TROUBLESHOOTING
2-1. TRIAGE CHART
Symptoms - (dead set)
Video - distorted or missing
2
5
6
7
8
9
13
No
No Video
No Video
No Video
No Tuner
No
Reference
Blinks
Blinks
Blinks
Blinks
Blinks
Blinks
Blinks
Power
BL OK
No BL
BL OK
Video
No HDMI
Audio
OSD OK
No OSD
OK
ACW Board
FBA Board
K2 Board
G8 / G9 Board
F2 Board
Panel Module
LVDS cable between FBA Board
and CF1 Board
Joint connector of ACW
Board and FBA Board
Flowchart Reference
FBA Board
K2 Board
G8 / G9 Board
F2 Board
Panel Module
LVDS cable between FBA Board
and CF1 Board
Joint connector of ACW
Board and FBA Board
Flowchart Reference
C
C
C
C
C
C
C
B
E
E
E
E
E
D
Problem
Low B+ T-CON
BL
Temp
Audio
FAN
Balancer
: Doubtful part
: just a few possibility
: just a few possibility
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