Power Led Blinks 13 Times - Panasonic TH-103PF9UK Technical Manual

DN SOS – Power LED Blinks 13 Times
Trouble Mode
DN board SOS (3.3V, 2.5V, 1.8V, 1.5V down)
Power Supply / Protect Circuit
P(SS)
P
25
15V 1,2
P
P(SC)
25
1,2
15V
D
DN
D
2
3
15V 15 15
PC
PC
202
1,2
D
PC
25
201
15V
1,2 1,2
PC
203
1,2
Defective Board
DN Board
How to find the defective board
The Defective Board is the DN Board ONLY.
IC4304
DN
2.5V
21
23
IC4303
3.3V
21
23
15V
IC4307
1.5V
21
23
IC4306
1.8V
21
23
Q4718
Q4717
46
D4710
Q4702
D4713
Q4704
Q4705 139
D4712
Q4703
D4708
Q4719
P_ON/OFF 34
27
IC4701
DN_SOS
(L : SOS)
LED R