Slide 46
7 Blinks Error Code
These conditions can cause the TV to shutdown and the power LED to blink 7 times
5.SOS Detect Circuit Explanation (13)
The IC16725 in the SC board checks several errors (CERR as disconnection between SC and
SU/SD board, SERR as OC2 check, OVP as VAD and VSCN voltage, PGOOD as F15V voltage).
If the IC detects error, the SOS circuit generates the SOS7_SC2 signal causing the unit 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
SOS7_SC2
1
2
SU11
SU41
SU
9
19
SD42
SD11
SD
SC20
SC
25
F5V
F15V
<VAD
VFG
9
1
IC16725
Abnormal Check
OK/NG
VFG
2 1
VFG
SC42
SC41
Other Error
To IC8000
A/D Input
A20
6
IC5000
ASIC
12
11
SOS_PRIO1
Panel_SOS
A
5V
SC50
Invert OC2
TC-P50/55/60/65S60
TC-P50/55/60/65ST60
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