Panasonic TC-P50S60 Technical Manual page 63

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
SC2
VSUS
1
VAD
Circuit
The VAD and VSCN circuits are monitored in the SC 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.
SOS Detect Circuit Explanation (9)
7 Blinks Error Code
P5V
GND
Other error
VFO
OK:L
VSCN
NG:H
Circuit
SC20
25
VFG
A
IC5000
ASIC
Panel_SOS
12
A20
SOS_PRIO1
6 11
SOS7_SC2
To PARAGON
A/D Input
Slide 63