Pa And Pb-Board Block Diagram - Panasonic TH-42PD50U Service Manual

TH-42PD50U

13.10. PA and PB-Board Block Diagram

TO P10
PA10
F_STBY_14V 1
2
F_STBY_14V
NR14V
F_STBY_14V 3
TO P5
PB5
7
+12Vs(W)
+12Vs(W) 8
PB AUDIO POWER
TH-42PD50U
PA and PB-Board Block Diagram
IC5602
AVR 2.5V/3.3V
15 13 Q5606
ON/OFF VOUT1
VOUT1_3.3V
ON\OFF
9 VIN
Q5613 1 ON/OFF VOUT2 3 Q5603
VOUT2_5V
ON/OFF
SUB9V-1
IC5601
AVR 2.5V/5V/9V
15 ON/OFF VOUT1 13
VOUT1_9V
ON/OFF
9 VIN
Q5610 1 ON/OFF VOUT2 3
VOUT2_2.5V
ON/OFF
Q5604 Q5643 Q5641
D5641
D5643
D5637
Q5644
D5638
IC5803
AVR 10V
1 VIN VOUT 2
SUB3.3V
MAIN3.3V
Q5607
MAIN5V
Q5605
SUB5V
IC5603
AVR BT30V
Q5614
2 VDD EXT 5
MAIN9V
Q5601
VOUT 1
Q5602
SUB9V-2
D5646
SUB3.3V
SUB9V
SUB5V
BT30V
D5645
D5649
Q5642
D5647
PB7 PA7
1 Wo_10V 1
2 Wo_10V 2
PA DC-DC CONV./POWER SOS
66
PA20 TO DG20
6 BT30V
8 MAIN3.3V
9 MAIN3.3V
11 SUB3.3V
13 SUB9V1
14 SUB9V1
16 MAIN9V
18 MAIN2.5V
19 MAIN2.5V
22 SUB5V
MAIN5V
24
26 STBY5V
28 TUNER_MAIN_ON
29 SOS(PA_SOS)
30 RESET
(TUNER_SUB_ON)
MAIN5V
PA30 TO H30
8 +10Vs(W)
9 +10Vs(W)
10 +10Vs(W)
MAIN2.5V
13
S_BT30V
MAIN9V
15 MAIN3.3V
17 SUB3.3V
19 MAIN9V
21
SUB9V2
23 SUB9V2
25 MAIN2.5V
27 MAIN2.5V
SUB5V
29
TH-42PD50U
PA and PB-Board Block Diagram