Panasonic TH-42PX20U-P Service Manual page 132

D-BOARD TXN/D10QKS (1/15)
!
Y_S
40
AM_G
GND
39
PB_S
38 AM_B
A
GND
37
PR_S
36
AM_R
GND
35
R9130 100
HD_S
34 AL_HD_S
GND
33 100
R9131
VD_S
32
P5V 100 AL_VD_S
R9132
NCLP_S
31
AL_NCLP_S
GND
30
5V
29 100
R9730
STB_ON
28
100 AA_STB_ON
R9929
REAL TIME /INTRA
27
0 AA_SOS_STATUS
R9988
FAN_CONT
26 AA_FAN_CONT
R9728 0
REMOCON_OUT
25 AA_REMOCON_OUT
R9987 0
ALL_OFF
24 AA_ALL_OFF1
RXD_PC
23
GND
22
AR_RXD_PC
TXD_PC
21
AR_TXD_PC
GND
20
AR_RXD_TU
RXD_TU
19
GND AR_TXD_TU
18 AVR 3.3V
R9727
TXD_TU EXB38VR000V
17
GND IC9001
16
R9986 0
P5V
POWER STATUS
15
C0CBCBD00008
GND
14
R9726
0
CABLE DET
13
B
SOUND MAIN MUTE
12
R9984 0
RESET
11
GND 5V
10
SDA3
9 AK_SDA3
SCL3
8 AK_SCL3
SDA2
7 AK_SDA2
SCL2
6 AK_SCL2
SDA1
5 AK_SDA1
SCL1
4 AK_SCL1
GND C9002
3 C9001
16V
6.3V
IIC_CONT 0.1u
2 AK_IIC_CONT 10u
STB5V 1
D3
TO
DG-BOARD
(DG3)
C
D
E
A B C D E F G H
TH-42PX20U-P D-BOARD (1 of 15) Schematic Diagram
1
D6
C9008 C9011
L9001
D9001 16V
ELKE103FA 4V
MAZ30360HL 0.1u
220u 3.3V
3.3V
1 3
2
C9006
C9004
6.3V 16V
10u 0.1u R9001
C9012
C9009
L9002 EXB38V470JV
16V
ELKE103FA 4V
C9005 C9007
220u 0.1u
16V 4V
1 3
0.1u 220u 2
C9003
16V
C9014
0.1u
C9010
C9013 16V
L9003
16V
4V 0.1u
ELKE103FA
0.1u
220u
1 3
2
IC9002
C0ZBZ0000551
3.3V
3.3V
2 3
IC9003
INVERTER
C0JBAB000550
R9015
33
C9022
16V
0.1u
R9010 R9012
R9004
R9006
EXB38V470JV EXB38V470JV EXB38V470JV
EXB38V470JV
C9023
C9016
16V
16V
0.1u
0.1u
LVDS/TTL (PARALLEL)
R9016
56
P5V
C9028
C9029
6.3V
16V
10u
0.1u
IC9005
BUS SW
C0JBAZ001992
I
4 5
SW
IC9004
C0JBAS000109
ANALOG(S)
&
C9027
16V
DIGITAL2
0.1u
C9050 C9052
R9025
6.3V 16V
10k 10u
0.1u
IC9008
BUS SW
C0JBAZ001992
R9026
47k
R9018
R9027
0
Q9001
330
2SD0601A0L
TH-42PX20U-P D-BOARD (1 of 15) Schematic Diagram
6
1
2
3
4
R9030
4.7k
5
6
8
K
7 8