Panasonic TH-42PM50U Service Manual page 128

2
-2
D5646
D5649
Q5642
D5647
PA DC-DC CONV./POWER SOS
66
MAIN5V
MAIN2.5V
MAIN9V
PA20 TO DG20
8 MAIN3.3V
9 MAIN3.3V
SUB3.3V
11
13 SUB9V1
SUB9V1
14
16 MAIN9V
18
MAIN2.5V
19
MAIN2.5V
SUB5V
22
MAIN5V
24
26
STBY5V
28 TUNER_MAIN_ON
29 SOS(PA_SOS)
RESET
30
(TUNER_SUB_ON)
PA30 TO H30
8 +10Vs(W)
9
+10Vs(W)
10 +10Vs(W)
15
MAIN3.3V
17 SUB3.3V
19 MAIN9V
21 SUB9V2
23 SUB9V2
25 MAIN2.5V
27 MAIN2.5V
29 SUB5V
TH-42PM50U
PA and PB-Board Block Diagram