Panasonic TH-42PX20U-P Service Manual page 224

TO
TA-BOARD
(T11)
ND AFC2 GND
TV1 NC MPXIN GND GND GND SC2 SD2
GND GND
AUDIO
IC4205
AN5849S-E1V
Max25mA
C4251
16V 0.1[KB]
SAP DET NOISE DET
13
C4252
50V 10/50V
MPX IN SPEC DET
+ 14
C4250
R4249
0.47
SPEC TIME
2200
PILOT DET
15
C4253
0.047[KB]
PLL SPEC FILTR
16
R4251 GND WB DET
17
100
SCL
18
R4252
100
SDA WB TIME
19
PE OFFCAN2
TP4215
R4253 20
1K
LTV1
L OUT OFFCAN1
21
RTV1
R OUT
22
TP4216
R4250
1K
23
24
TP4224 TP4225
MTS
3003 JK3004
10A0002 K2HA510A0002
MP1 IN COMP2 IN
DTV2
Y
Pr Pb Y
R3005
R3007
180K
180K T3002
G0B250D00001
C3037
C3035
1500p
1500p
DTV2
5
81
TO
TA-BOARD
(T12)
+5V 30 9V GND GND GND AFC1 FMTRAP
5V
C4262
16V 0.1[KB]
12
C4260
0.1[KB]
11
C4254
16V 3.3
10
C4261
9
0.022
C4255
8
1/6.3V
VCC
7
C4263
C4256
16V
16V 10
100
6
C4257
50V 4.7
5
C4258
50V 2R2/50V
4
3
2
1
6
P_OUT
TH-42PX20U-P
H-BOARD (1 of 2) Schematic Diagram
7 8
1
2
3
4
5
6
7
8
9
10
9