Dg-Board (2 Of 11) Schematic Diagram - Panasonic TH-37PX50U Service Manual

TH-37PX50U / TH-42PX50U / TH-50PX50U

13.38. DG-Board (2 of 11) Schematic Diagram

1
2
3
4
5
6
7
8
A16
1 A15 48
A16
A15
2 A14 47
BYTE
A14
3 A13 46
VSS
A13
4 A12 45
DQ15/A-1
A12
5 A11 44
DQ7
A11
6 A10 43
DQ14
A10
7 A9 42
DQ6
A9
8 A8 41
DQ13
9 N.C. 40
DQ5
10 N.C. 39
DQ12
ABI_D
11 WE 38
DQ4
12 RESET 37
VCC
13 N.C. 36
DQ11
14 N.C. 35
DQ3
15 RY/BY 34
DQ10
ABI_J1
16 N.C. A18 33
DQ2
A18
17 A17 32
DQ9
A8
18 A7 31
DQ1
A7
19 A6 30
DQ8
A6
20 A5 29
DQ0
A5
21 A4 28
OE
A4
22 A3 27
VSS R4226
0
A3
23 A2 26
CE
A2
24 A1 25
A0
DG-BOARD (2/11)
TNPA3625AE (37inch)
TNPA3625AC (42inch)
TNPA3625AD (50inch)
9
10
11
TH-37/42/50PX50U
DG-Board (2 of 11) Schematic Diagram
8 9
STB3.3V
STB3.3V
R4237
A17
1k
C4038
STB3.3V
R4224 50V
10k 100p
C4456
D15
50V
R4238 0.01u
C4043
D07 TP4007 4.7k
16V
1u
D14
D06
IC4010
D13
C0EBF0000431
D05
STB 3.3V
D12
D04
C4042
16V
1u
D11
STB5V(SUB5V BACKUP)
D03
C4034 C4035
16V 16V
D10
0.1u 4.7u
D02
D09
D01 D4012
MA2J72900L
D08
D00
ABI_I
D4013 D4014
MA2J72900L MA2J72900L
ABI_8M
A1
R4677
R4674 R4676
10k 470k 470k
D4027
C4461
MA2J11100L 16V
0.1u
D4025 D4026
MA2J11100L MA2J11100L
IC4030
C0EBF0000335
RESET
C4464
10V 10u
C4463
10V 10u
10 11
RST (AD_STB_RST)
Q4021
R4264
B1ABCF000138
3.3k
R4254
10k
R4266
10k
SUB5V
R4255 C4051 Q4017
10V
3.3k
0.22u B1ABCF000138
STB5V
Q4019
R4260
B1ABCF000138
6.8k
Q4015
B1ABCF000138
R4262
C4053
10V 47k
R4252
0.22u
82k R4267
47k
R4256
100k
TP4040
Q4020
R4261
B1ABCF000138
6.8k
Q4016
B1ABCF000138
R4263
C4054
6.3V 47k
R4253
2.2u
82k
R4268
47k
R4257
100k
R4259
10
MONTEROUT_DEF
TO
AA AB AC
DG-BOARD
(9/11)
12 13
146
TO
H-BOARD
DG1
(H1)
1 SBI1
2 SBO1
3
SCL0A
4
SDA0A
5
6
7 SCL0B
8 SDA0B
9
SCL2
10
SDA2
11
12
13 SCL1
14 SDA1
15
RESET
16
17
KEYSCAN2
18 KEYSCAN2
MAIN_DEF
19 MAIN_DEF
SP_MUTE
20 SP_MUTE
SRQ SRQ
21
22
23
24
25
STB_LED LED_R
26
R4281 0 IR
27
28
29
RM_IN
30 RM_IN
KEYSCAN
31 KEYSCAN
32
MONITOROUT_DEF
33
KEYSCAN3 KEYSCAN3
34
35
SP_SHORT
36 SP_SHORT
BA_SCL0
37
BA_SDA0
38
39
40
STB5V
AD AE AF
TH-37/42/50PX50U
DG-Board (2 of 11) Schematic Diagram
14 15
21
22
23
24
25
26