Panasonic TH-42PA25U-P Service Manual page 146

14.12. H-Board (1 of 2) Schematic Diagram
H-BOARD TNPA2817(1/2)
A
B
C
D
E
F
TH-42PA20U
H-Board(1of2)Schematic Diagram
1
(NON USE)
JK3001
K1U824A00002
JK3002
VIDEOIN
K2HA306A0024
PROG OUT
3 2 Y1 V1
4 1
R3016
R3015 180K
180K
R3011
C3045
75
1500p
1% C3043
1500p
C3059
16V
470
R3014
10K
VIDEO1
PROG. OUT
2 3
TO
TB-BOARD
(T21)
TV2 TVA2 GND GND GND GND SC2 SD2
TV2
VIDEOIN
Y2 V2
R3021
180K
R3022
180K
R3001
180K
R3017
75
1%
C3031
1500p
C3049 C3051
1500p 1500p
VIDEO2
4
TO
TB-BOARD
(T22)
+5V 30 9V GND GND GND AFC2 GND
GND
AUDIO
Max25mA
C4251
16V 0.1[KB]
C4252
50V 10/50V
+
C4250
R4249
0.47
2200
C4253
0.047[KB]
R4251
100
R4252
100
TP4215 R4253
1K
LTV1
RTV1
TP4216
R4250
1K
TP4224 TP4225
JK3003 JK3004
K2HA510A0002 K2HA510A0002
COMP1 IN COMP2 IN
DTV1
T3001
G0B250D00001
Pr Pb Y
Pr Pb
R3002
R3005
R3007
180K 180K
180K
C3033 C3037
C3035
1500p 1500p
1500p
DTV1 DTV2
5
66
TO
TA-BOARD
(T11)
TV1
GND
IC
AN5
SAP D
13
MPX I
14
PILOT
15
PLL
16
GND
17
SCL
18
SDA
19
PE
20
L OUT
21
R OU
22
23
24
DTV2
Y
G0B2