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49
TH-32LRT12U-A * TH-37LRT12U/M/A
12.11. Main Board (10 of 15) Schematic Diagram
A
B
C
D
E
4
3
2
1
F_5
V
+5
V
_SB
+3
V
3_SP
V
+3
V
3_SP
V
+3
V
3_ADC
+3
V
3_ADC
+1
V
8
+1
V
8_ADC
+5
V
_SB
+5
V
F_5
V
P_12
V
+12
V
+8
V
_A
+2
V
5
+3
V
3
F_5
V
F_5
V
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_AU
GND_AUGND_AU
GND_AU
GND_A
GND_TMDS
GND_AU
GND_A
V
F_5
V
+5
V
+12
V
P_12
V
TUNER_5
V
GND_A
V
POWER_ON_WT P(16)
P_ON/OFF
P(16)
P_ON/OFF
P(16)
Audio POWER/GND (12V/8V/5V)
SPV7100 POWER/GND (3.3V/ 1.8V)
SOURCE POWER/GND (3.3V/2.5V)
Modify the
L
DO for +1.8
V
to adjust core voltage
Modified by Monlong 2K70425
VOUT 2.51V
P_12V --> +12V
Add R598,C546 for prevent surge current too high, and breaking P-MOS
D=5/Pitch
2mm
Κ
D=5/Pitch
2mm
Κ
C254
0.1uF
U42 AP9435GM
4
4
5
5
6
6
7
7
8
8
1
1
2
2
3
3
TP104
1
1
U24
APE1117-33CY/SOT-223/
SOT223
OUT
2
IN
3
GN
D
1
TAB
4
U29
AP1084-ADJ/TO-263/
AD
J
1
OUT
2
V
IN
3
C250
0.1uF
TP95
1
1
R544
10K
C276
100uF/16
V
1
2
C264
100uF/16
V
1
2
R568
47K
C559
10uF
C284
100uF/16
V
1
2
C269
100uF/16
V
1
2
FB32
FB/1206/19-ohm
C558
NC/10uF
TP96
1
1
R428
220
TP106
1
1
J5
BASE/16P/2.0mm
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
FB31
FB/1206/19-ohm
C285
0.1uF
U41 AP9435GM
4
4
5
5
6
6
7
7
8
8
1
1
2
2
3
3
C257
100uF/16
V
1
2
TP98
1
1
FB35 FB/1206/19-ohm
R498
180
C266
220uF/35
V
1
2
TP107
1
1
R251
10K
R496
180
TP97
1
1
TP108
1
1
FB33 FB/1206/19-ohm
R599
0
C263
0.1uF
C256
0.1uF
R546
47K
Q33
2N3904
SOT23(2SC2859)
2
3
1
C546
NC/10nF
TP99
1
1
C252
0.1uF
C547
NC/10nF
U30
APE1117-33CY/SOT-223/
SOT223
OUT
2
IN
3
GN
D
1
TAB
4
C277
0.1uF
TP109
1
1
U31
AT1117-18CY/SOT-223/
GN
D
1
OUT
2
V
IN
3
OUT
4
C274
100uF/16
V
1
2
R429
100
TP100
1
1
R567
10K
TP110
1
1
C251
100uF/16
V
1
2
C278
100uF/16
V
1
2
C268
0.1uF
C282
100uF/16
V
1
2
R331
10K
TP101
1
1
+
C516
100uF/16
V
100UF/16
V
(SMD)
1
2
U25
APE1117-ADJ/SOT-223/
GN
D
1
OUT
2
V
IN
3
OUT
4
C253
100uF/16
V
1
2
U28
78D08A/UTC/TO263
G
1
D
2
S
3
C262
100uF/16
V
1
2
C275
0.1uF
TP102
1
1
C273
0.1uF
C255
100uF/16
V
1
2
Q32
2N3904
SOT23(2SC2859)
2
3
1
FB36 FB/1206/19-ohm
C265
0.1uF
R566
10K
TP103
1
1
C267
0.1uF
C283
0.1uF
FB37 FB/1206/19-ohm
Q12
2SC2411
2
3
1
C279
0.1uF
R250
NC/0
R598
10K
U27
AP1084-33CY/SOT-263/
TO263-3
L
OUT
2
IN
3
GN
D
1
TP105
1
1
U45
78D05A
G
1
D
2
S
3
R545
10K
C272
100uF/16
V
1
2
MAIN BOARD PCB-657-D (10/15) Power Supply
TH-32/37
L
RT12
Main Board (10 of 15) Schematic Diagram
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