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TC-P42/50/55/60/65S60
TC-P50/55/60/65ST60
These conditions can cause the TV to shutdown and the power LED to blink 7 times
1.
VAD or VSCN circuit defect
2.
Disconnection of SC and SU/SD board
3.
F5V / F15V abnormal voltage
4.
VAD / VSCN abnormal voltage
SC(SN)
SC2(SN2)
VSUS
1
VAD
Circuit
The VAD and VSCN circuits are monitored in the SC(SN) board.
If these circuits don't work normally, the SOS circuit generates the SOS7_SC2 signal causing the
unit shutdown and the power LED to blink 7 times.
5.SOS Detect Circuit Explanation (9)
7 Blinks Error Code
P5V
GND
Other error
VFO
OK:L
VSCN
NG:H
Circuit
SC20
(SN20)
25
VFG
A
IC5000
ASIC
Panel_SOS
12
A20
SOS_PRIO1
6
11
SOS7_SC2
To IC8000
A/D Input
Slide 42
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