Panasonic TH-42PA20A, Service Manual

Page: 184 / 192

4.30. G-Board Schematic Diagram
+
+
L
R G
R V L
Y
C
SIDE
TERM
BALLAN
BALLAN
BALLAN
S3701
EVQ23405R
C3714
0.01u
50V
JS3706
JK3709
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
D3717
MAZ31000ML
D3719
MAZ31000ML
5%
R3702
22k
D3715
MAZ31400ML
S3703
EVQ23405R
R3720
4.7k
5%
R3706
12k
R3716
180k
C3711
10V
100u
C3710
50V
1u
JK3714
K4BK29A00005
C Y G Y-
G
C-G G R2 SW4 NC4 SW3 NC3 R1 T NC1 SW1 NC2 SW2 R R-G L L-G V
-SW
V V-
G
R-SW
R3721
4.7k
R3712
75
1%
S3702
EVQ23405R
R3714
75
1%
C3713
0.01u
50V
R3715
180k
D3764
MAZ31100ML
R3713
75
1%
R3711
10k
JS3705
D3766
MAZ31100ML
5%
R3701
68k
G7
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
R3723
100
R3724
100
R3725
0
R3726
0
L3773
J0HABB000003
1
2
3
4
L3772
J0HABB000003
1
2
3
4
L3777
J0HABB000004
1
2
3
4
L3776
J0HABB000004
1
2
3
4
L3775
J0HABB000004
1
2
3
4
C3718
560p
50V
G18
1
2
3
4
5
6
L3770
G1C121Z00004
L3769
G1C121Z00004
L3778
G0B101Y00001
1
2
3
4
L3779
G0B101Y00001
1
2
3
4
L3780
G0B101Y00001
1
2 3
4
JS3712
S3705
EVQ23405R
R3705
0
R3704
0
S3704
EVQ23405R
5%
R3703
6.8k
L3768
G1C121Z00004
G5
1
2
3
4
5
6
C3719
560p
50V
L3767
G1C121Z00004
HEADPHONE
V H
B
G
SL SR
R
GND
HPDET
GND_C
Y
GND_Y
S2
KEYSCAN
SW5V
SW
C V
V3_DET
PC IN
STR ASPECT TV/VTR
R
G
B
SW9V
AV3
7
A
5 6
D
E
C
B
1 8 3 2 4
VOL.UP VOL.DN
LOUT
SUB_OUT
ROUT
GND_HP
GND_HP
GND_HP
TO
(DG18)
DG-BOARD
DG-BOARD
(DG7)
TO
K-BOARD
TO
(K5)
!
G-BOARD TNPA2881AD
TH-42PA20A/F/M/H/R G-BORAD Schematic Diagram TH-42PA20A/F/M/H/R G-BORAD Schematic Diagram
54