Thomson T32C30U service manual
MAINPOWER_IN
R101
NC
0R
R100
NC
0R
Q104
PMV65XP
S
MAIN_PWR
T
D
MAIN_POWER
OPWRSB
OPWRSB
BL
R121
10K
NC
R137
4K7
NC
BL
3V3SB
R132
R139
4K7
4K7
C136
0.01U
NC
STB_POWER
C
B
E
GND
R135
330R
Back Light control
R133
3K3
Q102
BT3904
R134
100R
BL_ON
ON/OFF_PWR
PWR_ON
T
C125
0.1U
C134
0.1U
DIM_DC
TT
DIM_DC
T
MAIN_PWR0
T
MAIN_PWR1
2
10
T
T
MAIN_GND1
MAIN_GND0
P100
Q101
BT3904
R123
2K7
G
C138
0.1U
AVDD1V2
0R
T
AVDD1V2
VCCK
AVDD1V2
@max 2A
VCCK
680mA
R117
U103
MP2127
+5V
Z100
T
2
C151
C122
2U2
C123
0.1U
100U
16V
NC
3V3SB
C102
10U
0.1U
PVIN
4
VIN
5
PGOOD
6
VOUT=0.8X(22+33+5.6)/(33+5.6)
GND
f=1.2MHz
SW
FB
3
2
1
VREF=0.8V
L102
4.7UH
GND
VCCK
T
R114
22K
1%
R115
33K
1%
R116
5K6
GNDGND
C105
10U
C120C119
0.1U
C109
220U
6V3
GND
R122
22K
R125
4K7
R124
3K3
C137
0.1U
C
B
E
MAINPOWER_IN
C113
GND
DIM_PWM DIM_PWMBL_ON/OFF
T
0.1U
BL_DIM
C133
1000P
T
STB_PWR
C135
0.1U
T
DIM_DC
R120
220R
R131
1K
STB_POWERSTB_POWER
DIMMING
BL_DIM
1
34
56
78
9
1112
R106
0R
U107
RT9166-33 NC
3
IN OUT
GND
1
BL_DIM
MAIN_POWER
C106
220U
16V
MAIN_POWER
12V
C166
220U
35V
NC
12V
C103
1U
16V
C160
220U
35V
NC
C163
1U
50V
NC
C110
0.1U
NC
R107
100R
C100
1U
NC
C114
0.1U
C115
0.1U
C111
0.1U
R130
100K
5
6
7
8
MAIN_POWER
NC
R129
22K
NC
LL4148
D101
U104
RT8110B
BOOTFBUGATE
GNDPHASE
LGATE
VIN
VCC
C146
C145
1000P
0.01U
NC
NC
4
3
2
1
C116
1
2
4
2U2
C118
0.1U
BOOT
VIN
EN
SS
TPS54331
R113
0R
R112
0R
NC
VSENSE
U105
NC
G2
4
S2
3
G1
2
S1
1
PH
GND
COMP
C132
0.1U
D13N03LT
Q100
8
7
63
5
D2B
5
D2A
6
D1B
7
D1A
8
Vout=0.8*(0.56+0.047+3.3)/0.607=5.15V
R108
10R
NC
12V
15UH
15UH
D100
SR34
NC
VREF=0.8V
R126
10K
NC
C144
390P
NC
C143
3300P
NC
Output 11.8V=0.8*(1+33/2.4)
C139
1000P
NC
L111
L101
R109
10R
NC
NC
NC
L100
10UH
C141
820P
R127
33K
1% NC
R128
2K4
1% NC
R110
3K3
1%
R111
560R
1%
R103
47R
1%
C107
470U
16V
C108
470U
16V
NC
C121
10U
C117
2U2
NC
2U2
+5V
12V
T
T
C140C104
0.1U
C142
0.1U
NC
R138
4K7
@max 5A
+5V
12V
+5V
+5V
U106
AS1117-3.3
13-AZ1117-33B
C124
0.1U
U101
AS1117-2.5
R104
0R
R102
NC
1R2
U108
AZ1084-33 NC
3 2
ADJ/GND
VOUTVIN
1
GND
4
4
GND/ADJ
OUT
VIN
1
2
3
4
4
GND/ADJ
OUT
VIN
1
2
3
C112
0.1U
R105
0R
GND
R118
33R
NC
DVDD3V3
C150
100U
16V
C129
0.1U
T
C126
0.1U
C101
4U7
DDR_V
T
C147
100U
16V
DVDD3V3
DDR_V
DVDD3V3
DDR_V
+5V
U200
AZ1117
VIN
4
4
GND/ADJ
OUT
3
2
1
TU_3V3
T
300mA
TU_3V3
TU_3V3
TU1
GND1
GND2
GND3
GND4
GND5
GND6
GND7
GND8
C233
10U
C203
0.1U
GND
C200
220U
16V
C201
10U
C204
0.1U
C226
0.047U
C227
0.047U
C228
C211 C210
0.047U
0.047U
C209
1000P 10P
C208
100P
GNDGNDGND
TU_3V3
GND
8.2NHL204
L203 100NH
2.2NHL205
C202 0.22U
373638
39
40
TU_3V3
C217
GND
L201
330NH
140MA
120P
1
S
2
3
4
5
6
7
8
9
F200
GND
C216
120P
C215
150P
L200
220NH
120MA
3
D200
0BAV99
C212
82P
21
GND
R204
0R
GND
1
2
3
4
5
6
7
8
9
10
VCC1-RF
RFIN
NC1
NC2
GND1
AS_XTSEL
GND2
TEST1
TEST2
GND3
GND
R205
OSCL0
OSDA0
OSCL0
OSDA0
100R
R206
100R
CAPRFAGC
RFAGC_SENSE
UHFSUPPLY
UHFHIGH
TDA18273HN
TDA18273HN
XTALP
GND4
SDA
SCL
12
11
13
L202 2.4NH
34
35
UHFLOW
VCC2-RF
VHFHIGH
U201
VCC-SYNTH
XTALN
14
15
16
C207 0.1U
313332
VHFSENSE
VHFLOW
VHFSUPPLY
VSYNC
VIFAGC
VCC-IF
GND7
GND6
XTOUT2
XTOUT1
VTUNE
GND5
CAPREGVCO
CP
19
18
20
17
0.1UC222
C223 6.8N
IRQ
IFP
IFN
30
29
28
27
26
25
24
23
22
21
C229
2.7N
R207
430R
C230
0.22U
C224
TU_3V3
T
Z200
6.8N
close to tuner
GNDGND
C225
R208
1K
1UC205
1UC206
C232C231
47P
47P
0.047U
TU_IF_AGC
FAT+_D
FAT-_D
R200
10K
R202
0R
R201
0R
Close to MT8227
C213
47P
C214
47P
R210
100R
R209
100R
RF_AGC
R203
200R
IFP
IFN
RF_AGC
IFP
IFN
C221
10P
C220
10P
C218
27P
X16M
16M
45-OSC16M-0Y1B
GND
TU_3V3
C219
27P
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