Panasonic TH-42PM50U Service Manual page 271

A B C D
A
B
C
D
DG-BOARD TNPA3625AK (8/11)
E
TH-42PM50U
DG-Board (8 of 11) Schematic Diagram
1
E F
TO
DG-BOARD
(1/11)
SUB5V
SUB3.3V
R4379
3.3k
R4045
2.7k
M_SCL0
SCL0B
R4028
22
Q4066
B1CBHD000001
BA_SCL0
R4029
22
C4002
16V
0.1u
R4050
IC4004
22k
C0JBAS000069
R4059
10k
SWITCHING
R4056
10k
Q4004
L1
B1ABCF000138
M_SDA0
SUB5V
R4026
R4380
2.7k
3.3k
SDA0B
R4024
22 Q4067
B1CBHD000001
R4025
22
BA_SDA0
2 3
G H I J
TP4002
R4223
1k
R4219
1k
Q4012
B1ABCF000138
4 5
K L M
IC4008
TVRN720
256K EEPROM
TP4004
1 E0 Vcc 8
C4033
10V
1u
2 E1 /WP 7
TP4003
TP4005
SCL0A
3 E2 SCL 6
R4230
TP4006
22
SDA0A
4 Vss SDA 5
R4231
22
TP4042
R4225
100
6
N O P Q
111
112
113
114
115
116
TH-42PM50U
DG-Board (8 of 11) Schematic Diagram
7 8