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53
TH-32LRT12U-A * TH-37LRT12U/M/A
12.15. Main Board (14 of 15) Schematic Diagram
5
4
3
2
1
D
C
B
A
SC
L
_3
V
3_AO
V
SDA_3
V
3_AO
V
SIFAIN0_AO
V
Tuner_C
V
BS_IN_AO
V
TX_AO
V
RX_AO
V
DT
V
_IR_AO
V
DT
V
_KEY_CH-_AO
V
DT
V
_AO
V
SC
L
_3
V
3
SDA_3
V
3
SIFAIN0
Tuner_C
V
BS_IN
DT
V
_AUDIO_R
DT
V
_AUDIO_
L
DT
V
_IR
DT
V
DT
V
_KEY_CH-
DT
V
_S
V
-Y_IN
DT
V
_S
V
-C_IN
DT
V
_AUDIO_R_AO
V
DT
V
_AUDIO_
L
_AO
V
DT
V
_S
V
-Y_IN_AO
V
DT
V
_S
V
-C_IN_AO
V
DETECTTU_AO
V
DT
V
DT
V
_AO
V
DT
V
_KEY_CH-_AO
V
DT
V
_S
V
-Y_IN_AO
V
DT
V
_S
V
-C_IN_AO
V
DT
V
_S
V
-C_IN
DT
V
_S
V
-Y_IN
SC
L
_3
V
3_AO
V
SDA_3
V
3_AO
V
SIFAIN0_AO
V
Tuner_C
V
BS_IN_AO
V
DT
V
_AUDIO_R_AO
V
DT
V
_AUDIO_
L
_AO
V
TX_AO
V
RX_AO
V
DT
V
_IR_AO
V
DT
V
_DETECT_AO
V
SC
L
_3
V
3
DT
V
_KEY_CH-
TUNER_MODE
DT
V
_IR
TUNER_RX
DT
V
_AUDIO_R
DT
V
_AUDIO_
L
Tuner_C
V
BS_IN
SIFAIN0
TXD
RXD
DETECT_TUNER
DETECTTU_AO
V
DETECT_TUNER
DT
V
_DETECT_AO
V
TUNER_MODE
SDA_3
V
3
DETECTTU_AO
V
RS232_DETECT
TUNER_RX
RXD
RS232_RX
RS232_TX
TXD
TUNER_TX
TUNER_TX
RS232_DETECT
RS232_TX
RS232_RX
TUNER_5
V
P_12
V
GND_A
V
GND_A
V
GND_A
V
GND_A
V
GND_A
V
GND_A
V
GND_A
V
GND_A
V
GND_A
V
GND_A
V
GND_A
V
GND_A
V
GND_A
V
GND_A
V
GND_A
V
GND_A
V
GND_A
V
GND_A
V
GND_A
V
+5
V
_SB
+5
V
_SB
GND_A
V
+5
V
_SB
3
V
3_SB
+5
V
_SB
3
V
3_SB
F_5
V
3
V
3_SB
DT
V
_IR
P(3,10)
SC
L
_3
V
3
P(5,7,10,16)
SDA_3
V
3
P(5,7,10,16)
SIFAIN0
P(3,7)
Tuner_C
V
BS_IN P(3,6)
DT
V
_AUDIO_R P(3,6)
DT
V
_AUDIO_
L
P(3,6)
DT
V
P(3,10)
DT
V
_KEY_CH- P(3,10)
DT
V
_S
V
-Y_IN P(3,6)
DT
V
_S
V
-C_IN P(3,6)
TXD
P(10,16)
RXD
P(10,16)
DETECT_TUNER P(16)
TUNER_MODE P(16)
RS232_RX
P(10)
RS232_TX
P(10)
RS232_DETECT P(7,10)
A+D_TUNER
S1 S0
0 0
0 1
1 0
1 1
0
1
2
3
OUTPUT
S0(Pin11)
RS232_DET
0
1
TUNER RS232
0
0
N.C
1
0
TP192
1
1
C495
0.1uF
CON35
32PIN_SOCKET
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
FB50
BEAD
R559
0
TP218
1
1
R555
0
R551
0
R522
75
R547
0
TP193
1
1
TP219
1
1
TP194
1
1
Z61
ZMM55C6
V
8
1
2
R521
75
Z53
ZMM55C6
V
8
1
2
TP195
1
1
R519
47K
Z73
ZMM55C6
V
8
1
2
TP196
1
1
FB51
NC/BEAD
R560
0
R556
0
Z51
ZMM55C6
V
8
1
2
R552
0
R520
47K
TP198
1
1
TP197
1
1
R548
0
TP206
1
1
C491
100uF/16
V
1
2
R604
4.7K
TP205
1
1
Z71
SD12
1
2
TP199
1
1
TP207
1
1
C493
0.1uF
TP200
1
1
Z62
ZMM55C6
V
8
1
2
Z55
ZMM55C6
V
8
1
2
TP208
1
1
C492
220uF/35
V
1
2
R562
10K
Z57
ZMM55C6
V
8
1
2
R581
4.7K
TP209
1
1
TP201
1
1
R557
0
TP203
1
1
R553
0
R549
0
TP210
1
1
Z59
ZMM55C6
V
8
1
2
TP204
1
1
Z52
ZMM55C6
V
8
1
2
TP202
1
1
R605
NC/4.7K
TP211
1
1
R577
4.7K
TP212
1
1
Z63
ZMM55C6
V
8
1
2
Z56
ZMM55C6
V
8
1
2
TP213
1
1
Z58
ZMM55C6
V
8
1
2
R558
0
R554
0
R550
0
TP214
1
1
TP189
1
1
Z60
ZMM55C6
V
8
1
2
Z54
ZMM55C6
V
8
1
2
TP215
1
1
R571
10K
TP188
1
1
TP190
1
1
U44
74HC4052_1
1Y0
12
1Y1
14
1Y2
15
1Y3
11
2Y0
1
2Y1
5
2Y2
2
2Y3
4
1Z
13
2Z
3
V
CC
16
V
EE
7
GND
8
IE
6
S1
9
S0
10
R561
0
TP216
1
1
TP191
1
1
R564
0
Z70
ZMM55C6
V
8
1
2
TP217
1
1
Z64
ZMM55C6
V
8
1
2
MAIN BOARD PCB-657-D (14/15) A+D Tuner Socket
TH-32/37
L
RT12
Main Board (14 of 15) Schematic Diagram
TH-32/37
L
RT12
Main Board (14 of 15) Schematic Diagram
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