Slide 58
5.SOS Detect Circuit Explanation (25)
8 Blinks Error Code
1. Failure of SS board
2. Disconnection of SS (SS2) board and Panel
3. Disconnection of C board and A board
4. Disconnection of SC board and A board
These conditions can cause the TV to shutdown and the power LED to blink 8 times
TC-P50/55/60/65ST60
IC5000
ASIC
A
To IC8000
A/D Input
SC
P5V
12
Panel_SOS
30
22
1
9
IC9300
PD6H
A20
W3
UHZ
SC20
IC16921
1718
SOS_PRIO2
10
SS control
No signal
SOS8_SS
D_UHZ
SS
The IC9300 monitors the UHZ signal via IC5000.
if the connection of SC and A board is disconnected, the IC9300 doesn’t output the control signal of
SS. Consequently, the SS board detects error and generates the SOS8_SS causing the unit
shutdown and the power LED to blink 8 times.
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