Panasonic TH-42PX20U-P Service Manual page 196

HOT
! T404
5
Q412
!
2
Q413
!
1 2
7 8 10 9
T402
1 3 5
T407
6 4
!
0V
D530
Q510
Q519
Q518
Q545
Q514 Q525
Q528
5 6 7
Q CLR PR
IC521
CK
Q D
3 2 1
Q512
4 6
IC522
3 1
Q517
Q551
01
R MCA
00 20
01 19
TV ON/OFF
02 18
17
03
16
10
PS SOS
Q544
11 15
12 14
13
13
12
D0
ALL OFF
D1 11
67
COLD
DC85V
D531
Q527
7
9
D541
8
13
D536
12
D534
11
14
K
D533
R
A
IC512
DC15V
DC12V
IC511
DC5V D535
5VAVR
1 4
PR509
D563
Q543
1 3
IC520
6 4
Q540
1 2 3
CK Q
D
IC523
Q
PR CLR
7 6 5
Q521
D564
Q516
Q513 Q506
Q511
P30
3
FAN SOS
VCC 1
P31
3
FAN SOS
VCC 1
FAN
P32
3
FAN SOS
VCC 1
P33
3
FAN SOS
VCC 1
DC75V
D543
D544
D545
R665
Vda
DC15V
!
Q509
1
R661
2
Vlow
3
Q541
Q508
Q542
Q524
!
PR510
Q520
R641
Vsus
R608
Csus
ALL OFF
!
PR502
Q531
D553
Q532
Q530
D549
D554
D565
D505
D506
Q552 Q537
Q546
TH-42PX20U-P
P-BOARD BLOCK Diagram
TO SS-BOARD
SS12
P12
1
Vda
2
Vda
10
STB_PS
4 +15V
TO PA-BOARD
P7
PA7
1
+15V
2
+15V
TO SC-BOARD
P23
SC23
1
+15V
2
+15V
TO SS-BOARD
P11
SS11
2
Vsus
3
Vsus
TO SC-BOARD
P2
SC2
1
Vsus
2
Vsus
TO PA-BOARD
P5
PA5
1
+12V
2
+12V
3
5V
4
STB 5V
7 +12Vs
8
+12Vs
11
+15V
TO D-BOARD
D25
P25
1
+12V
2
+12V
5
5V
7
FAN CONT
8
STB7V
TO D-BOARD
D27
P27
2
TV ON/OFF
4
STB5V
6
FAN SOS
7
PS SOS
8
ALL OFF