Dg-Board (2 Of 6) Schematic Diagram - Panasonic TH-50PM50U Service Manual

13.19. DG-Board (2 of 6) Schematic Diagram

DG-BOARD TNPA3625AL (2/6)
1
2
3
4
5
6
7
C4038 R4237
50V
1k
100p
STB3.3V
C4043
16V
R4238
C4456 1u
4.7k
TP4007
50V
0.01u
IC4010
C0EBF0000431
STB3.3V/RESET
C4042
16V
1u
STB5V(SUB5V BACKUP)
D4012
MA2J72900L
D4014
D4013
MA2J72900L
MA2J72900L
R4674 R4676 R4677
10k 470k
470k
D4027
MA2J11100L
D4025 D4026
MA2J11100L MA2J11100L
C4461
16V
0.1u
IC4030
C0EBF0000335
RESET
C4464
10V 10u
C4463
10V 10u
8
9
10
11
12
13
TH-50PM50U DG-Board (2 of 6) Schematic Diagram
10 11
Q4021
R4264 B1ABCF000138
R4266
3.3k
R4254
10k
10k
SUB5V C4051
R4255 Q4017
3.3k 10V
B1ABCF000138
0.22u
STB5V
Q4019
R4260
B1ABCF000138
6.8k
Q4015 R4262
47k
B1ABCF000138
C4053
R4252 10V
R4256 R4267
82k 0.22u
100k 47k
Q4020
R4261
Q4016 B1ABCF000138
6.8k
B1ABCF000138
R4263
C4054
47k
R4253 6.3V
82k R4257 2.2u
R4268
100k
47k
R4259
10
12 13
0
0
0
0
0
30.0
0
MAIN3.3V FL4004
TP4035
J0HABH000012
G 3.3
1 3
G
2
3.3
0
FL4005
TP4009
SUB3.3V G J0HABH000012 3.3
1 3
G
2
0
FL4006
TP4010
J0HABH000012
G 9.0
1 3
G 2
9.0
0
MAIN9V FL4007
TP4029
J0HABH000012
G 9.0
1 3
G 2
MAIN2.5V 0
FL4008
TP4036 J0HABH000012
G 2.5
1 3
G
2
2.5
0
SUB5V 0
FL4009
TP4011 J0HABH000012
G 5.0
1 3
G
2
0
MAIN5V
FL4010
TP4012
J0HABH000012
G 5.0
1 3
G 2
0
TP4013
5.0
0
TUNER_MAIN_ON 3.3
SOS 0
TUNER_SUB_ON 2.6
14 15 16
81
TO
H-BOARD
(H1)
DG1
SBI1
1
2 SBO1
3
SCL0A
4
SDA0A
5
6
7 SCL0B
SDA0B
8
9
10 SCL2
SDA2
11
12
13 SCL1
14 SDA1
15
16
RESET
17
SUB_DEF
18
MAIN_DEF MAIN_DEF
19
20 SP_MUTE
SP_MUTE
21 SRQ
SRQ
22
23
24
25
LED_R
26
STB_LED
27
28
29
RM_IN
30
RM_IN
31 KEYSCAN
KEYSCAN
32
33
MONITOROUT_DEF
KEYSCAN3
34
KEYSCAN3
35
36 SP_SHORT
SP_SHORT
BA_SCL0
37
38 BA_SDA0
39
STB5V 40
ODU_ON/OFF
30
29
28 ODU +B
ODU +B
27
26
25 BT30V
24
23 MAIN3.3V(1.55A/1.847A)
22 MAIN3.3V(1.55A/1.847A)
21
SUB3.3V
20
19
18
SUB9V1(1A/0.766A)
17 SUB9V1(1A/0.766A)
16
15 MAIN9V(0.1A/NC)
14
13 MAIN2.5V (0.98A/NC)
MAIN2.5V (0.98A/NC)
12
11
10
9 SUB5V(0.63A)
8
7 MAIN5V(0.37A/0.46A)
6
STB_5V
5
4
3 Tuner_Main_ON
2 PA_SOS
TUNER_SUB_ON
1
DG20 TO
PA-BOARD
(PA20)
TH-50PM50U DG-Board (2 of 6) Schematic Diagram
17 18
TH-50PM50U
21
22
23
24