Pa-Board Block Diagram - Panasonic TH-50PV30E Service Manual

15.12. PA-Board Block Diagram

PA DC/DC
TO PF10
PA10
UNR_21V 1
UNR_21V 2
UNR_14V
5
STB_5V
7
AC_ON/OFF 9
Q7543
R7539
R7540
Q7504
UNR21V,UNR14V
+9V1(S),+9V2(S)
+5V(S) LINE
VOLTAGE DOWN DET
TH-50PV30E
PA-Board Block Diagram
Audio
Q7552
IC7502
SW REG
+9V2(S) Q7501
+9V(M)
L7505
1 AVR 2
9V
C7506
R7505
Q7502
R7506
+9V(M)
CONTROL
SW REG
IC7501
+9V1(S)
L7502
1 AVR 2
9V
C7502
SW REG
IC7503
+5V(S)
L7508
1 AVR 2
5V
C7512
R7516
Q7506
R7514 AUDIO+14V
Q7507
AUDIO+14V
CONTROL
SW REG
IC7504
+4.2V(M)
L7511
AVR
1 2
4.2V
5 C7517
IC7505 SW REG
+2.5V(M)
L7514
1 AVR 2
5 2.5V
C7522
R7519
Q7509
Q7510
+3.3V(M)
+2.5V(M)
CONTROL
+3.3V(M)
STB5V Q7541
R7543
R7544
R7541
R7525
D7542
NR_21V Q7542
D7541
NR_14V
C7541
R7545
D7544
+5V(S)
R7546
D7543
+9V1(S)
D7545
C7543
+9V2(S)
D7539
D7538
R7537
Q7544
R7538 R7526
D7540
D7537
R7527
+3.3V(M),+2.5V(M) LINE
OVER VOLTAGE DET
TUNER POWER SOS DET
SOS BLINKING TIMES LED 12 TIMES
SW REG
IC7551
MAIN 12V
L7552
1 AVR 2
R7560
5 12V 4
C7552
Q7553
R7551
R7552
TV POWER
CONTROL
C7582
Q7581
BT+30V CONTROL
D7546
R7549
R7547
R7548
D7549
D7547
+9V(M)
D7548
MAIN 5V
+2.5V(M)
+2.5V(M),+9V(M) LINE
VOLTAGE DOWN DET
L7582
D7582
3 VREF
ERROR
1 PWM 8
DET
COMPARATOR
C7583
OSC 7
PROTECT
2 START
Q7582
4 OUT 5
BT+30V OUT
IC7581
BT+30V
Q7503
MAIN5V
Q7505
MAIN 5V
CONTROL
IC2304
AUDIO+9V
AVR
1 3
9V
FAN ON/OFF
Q7561
Q7563
Q7562
IC7561
AVR 9V/7.2V
5 ON/OFF OADJ 4
1 VIN V0 5
1 3
PA11
TO DG2
PA2
1 BT_30V
R7582
R7586
34
TV_ON/OFF
21 SUB_9V2
23 SUB_9V2
2 MAIM_12V
3 SUB_5V
M
SUB_5V
5
POWER_O
15 MAIN_9V
7 SUB_5V
19 SUB_5V
11 MAIN_4.2V
13 MAIN_4.2V
MAIN_2.5V
25
27
MAIN_2.5V SPE
17 UNR_14V
32
TV_ON
33
SOS
36
AC_ON/OFF
29 MAIN_5V
31 MAIN_5V
FAN_ON/OFF
37
FAN_MAX/MIN
38
FAN_SOS
39
1 3 1 3 1 3
PA13 PA14 PA15
TO FAN
86