Panasonic TH-42PM50U Service Manual page 114

PR402
10
T402
C405
2
16 15 13
IC520
Ex.I/O
2 4
COLD
4
IC404
PHOTO
3
COUPLER
IC509
4
IC403
AC-DC CONVERTER
PHOTO
3
COUPLER
1
IC401
PHOTO
COUPLER
2
R671
IC501
POWER MCA
D567
VDD
1
2 VSS
3
IC502
XIN
3
X501
4NHz
1
XOUT
4
RESET
5
6
RESET
D555
Q535
7 P21
8 P20
Q501
9
D5
10 D4
11 D3
Q502 Q503
12
D2
Q565
Q567
59
HOT COLD
D539
13
14
T404
D531
1
9
Q412
3
2
Q408
4
15
D534
7
8
11
6
Q413
5
Q409
2 1
9 6 5
3 4
T407
6 5 4 D568
D530
12
6
Q516 Q510
Q520,Q517
Q507
Q506
9 6 T601
8 7 5
VCC GD ZCD
5 4 3
INV VFF CB
1 3 4
PHOTO
IC505
COUPLER
4 1
Csus
3 2
Q561
P30
24
Q559
P31 23
P00
22
P01
21
P02 20
P03 19
P10
18
P11
17
P12 16
Q550
P13
15
Q551
D0
14
D1 13
Q518
Q560
Q564
Q562
Q527
D532
D542 D544
D536
Q509
Q541
PR601
IC506
Q505
SHUNT REGULATOR
3 REG 1
R628
Vsus
Q530
Q525
Q552
PR503
IC507
1 REG 5
REGULATOR
Q519
Q558
IC503
2 1
STB 14V
DC75V
D545
2 1
3
IC512
AVR DC75V
1
R665
2
Vda
3
DC15V
D535
DC12V
PR509
D521
1
R661
2
Vlow
3
Q508
Q536
Q537
Q538
Q557
Q544
Q554
Q553
TH-42PM50U
P-Board Block Diagram
TO
P12
SS12
1
Vda
+15V
2
STB12V
5
4 STB_PS
TO
P23
SC23
1
+15V
2 +15V
TO
P11
SS11
2 Vsus
3 Vsus
TO
P2
SC2
1 Vsus
2 Vsus
TO
P5
PB5
1
+12V
2 +12V
4 +15V
6 +12Vs
7 +12Vs
8 +12Vs
NO
P30
USE
1 +15V
4 +5V
5 FAN CONT
3 FAN SOS
TO
P25
D25
1
12V
2 12V
3 FAN CONT
+5V
7
+5V
9
STB5V
10
13 F STBY ON
14 FAN SOS
ECO_ON
15
17 PANEL MAIN ON
16 PS SOS
18 ALL OFF
TO
P10
PA10
1 F STB 14V
2 F STB 14V
3
F STB 14V