Panasonic TH-37PD25U-P Service Manual page 156

15.21. H-Board (1 of 2) Schematic Diagram
H-BOARD TNPA3178 (1/2)
A
HDMI
AUDIO IN
B
L
R
JK4001
K2HA204A0041
VIDEO1
MONITOR OUT
JK002
K2HA306A0024
C
D
3 2 Y1
4 1
R3011
75
C3059
10V
1000
E
VIDEO1
PROG. OUT
F
TH-37/42PD25U/P
H-Board (1 of 2) Schematic Diagram
1
TV2 NC GND GND GND GND SC2 SD2
TV2
D4104
D4102
MAZ81100ML MAZ81100ML
R4119
180K
R4120
180K
D4105 D4103
MAZ81100ML MAZ81100ML
VIDEO2
JK001
K1U824A00002
V1 Y2 V2
R3017
75
C3043
C3045
1500p
1500p
C3049 C3051
1500p 1500p
VIDEO2
2
TO
TB-BOARD
(T21)
H21
SUB9V
TO
DV-BOARD
H7
(DV7)
0
1
SUB5V
0 21
0
2
3.3
22
2.5
3
3.3
23
0
4
0
24
2.5
5
0
25
0
6
3.3
26
0 7
4.8
27
4.9
8
4.8
28
4.9
9
0
29
0
10
0
30
9.0
11
0 Q4514
31
9.0 2SD1819A-TX
12
0
32
0
AUDIO-L 13
0
33
R4836
220
0 14
AUDIO-R 0
34
0
15
Q4515
0
35
2SD1819A-TX
1.4
16
0
36
R4837
0
17
220
0
37
1.4
18
0 38
0 Q4516
19
0
39
2SD1819A-TX
0
20
0
40
R4838
220
Pr
R3001
R3002
180K
180K
C3033
C3031
1500p
1500p
DTV1
3
+5V 30 9V GND GND GND AFC2 GND
C4860
16V
0.1
C4861
47/16V
Q4517
LC4426
2SB1218A-TX_M
J0HAAB000012
R4848 220
3 1
R4842
4 2
68
Q4518
LC4427
J0HAAB000012 2SB1218A-TX_M
3 1
R4843 R4849
4 2
68 220
LC4428
J0HAAB000012
3 1
R4844 R4850
4 2
68 220
DTV2
DTV1
JK004
JK003
K2HA510A0002
K2HA510A0002
Pb Y Pr Pb Y
T3001 T3002
G0B250D00001
G0B250D00001
R3005
R3007
180K
180K
C3035
C3037
1500p
1500p
DTV2
4
TO
TB-BOARD
(T22)
H22
HDMI_AUDIOMUTE
HDMIINT
P_OUT
DVI_L
SCLHDMI
DVI_R
SDAHDMI
STB3.3V
DVI_Y
DVI_PB
DVI_PR
Q4519
N
2SB1218A-TX_M
R4201
4700
5
92