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Toshiba 48L1433DG Service Manual page 21

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1
2
BTB
20
19
3V3_VCC
18
17
3V3_VCC
A
3V3_STBY
24V_VCC_AU
16
15
5V_STBY
12V_STBY
14
13
12V_STBY
5V_VCC
5V_VCC
12
11
12V_STBY
10
9
5V_STBY
DIMMING
8
7
6
5
BACKLIGHT_ON/OFF S33
STBY_ON/OFF
power_pin3
4
3
nc
S32
power_pin1
2
1
STBY_ON/OFF_NOT
S25
CN3
S8
24V_VCC_AU
B
power cable
CN2
2
1
3V3_VCC
4
3
3V3_VCC
3V3_STBY
6
5
24V_VCC_AU
12V_STBY
8
7
12V_STBY
10
9
5V_VCC
5V_VCC
5V_STBY
12V_STBY
12
11
C
14
13
DIMMING
16
15
BACKLIGHT_ON/OFF
power_pin3
18
17
power_pin1
20
19
D
ADAPTER SOCKET
E
W_ADAPTER
5
4
3
JK2
TP35
2
TP34
1
F
1
2
3
LDO1
30069495
AP2111 ???
U21
TP72
1
LM1117
3
2
3V3_STBY
IN
OUT
ADJ
VOUT
C119
2
3V3_STBY
100n
1
4
1
10V
VDDC
VOUT1
1V2_VCC
1V5_VCC
VOUT2
INVERTER SOCKET
1V5_DDR0
!
CN8
S5
12V_VCC
1
DC/DC2
TP38
2
FS4
12V_INV
3
7A/32VDC
TP51
!
4
5
DIMMING
6
BACKLIGHT_ON/OFF
2V5_VCC
LDO2
S81
1
8
PROTECT
POK
GND
U5
C152
R45
2
7
5V_VCC
2
10k
1
EN
FB
APL5910
100n
60R
3
6
3V3_VCC
22u
VIN
VOUT
10V
1
2
F63
4
5
5V_VCC
VCNTL
NC
2
S6
1
C151
10u
10V
5V_STBY
10k
2
R163
2k2
R77
!
FS1
R44
1
10k
2
7A/32VDC
R41
Q19
1
1k
2
BC848B
C5
12V_STBY
Q6
220n
10V
BC848B
3
4
5
DC/DC1
R822
560R
50V
4n7
C1207
FB1
C1187
C460
10u
10u
VIN1
16V
16V
S85
F53
1
2
12V_VCC
60R
L39
10u
TP105
L40
TP106
4u7
C1206
S86
C1188
C461
4n7
10u
10u
50V
16V
16V
FB2
VIN2
R101
560R
STBY_ON/OFF
R2
R290
R288
STBY_ON/OFF_NOT
22k
100R
R289
R1
47k
3V3_STBY
2V5_VCC
TP108
STBY_ON/OFF_NOT
3V3_VCC
Q47
TPS_ENABLE
R164
BC848B
1
12V_STBY
10k
10k
2
1
R884
1
Q46
BC848B
F4
DC/DC4
1
2
12V_VCC
60R
0R
F3
1
2
12V_STBY
60R
C131
C130
R49
22u
22u
16V
16V
12V_VCC
2
10k
1
2
1
12V_STBY
10k
R48
TPS_ENABLE
1 EN
8
VIN
U9
C92
L3 10u
2
7
VFB
VBST
16V
VFB
12V_STBY
TPS54528
100n
3
6
VREG5
SSW
4
5
12V_INV
VSS
GND
C128
1u
16V
TPS54528
4
5
6
50V
50V
4n7
4n7
C475
C472
R394
R644
100k
120k
16V
EN1
EN3
11
47n
BST
BST3
12
C205
VIN1
VIN3
13
LX1_0
LX3_1
14
TPS65251
LX1_1
LX3_0
15
U19
LX2_0
GND_2
16
LX2_1
VIN_2
17
VIN2
VIN_1
18
C206
BST2
VIN_0
19
47n
EN2
GND_1
16V
20
R645
120k
C488
10u
C480
16V
C30
4n7
4u7
50V
10V
NC
S91
S90
MOSFET_CONTROL
5V_STBY
R197
STBY_ON/OFF
1
10k
2
R198
1
2
10k
Q11
BC848B
R176
STBY_ON/OFF
1
10k
2
MOSFET_CONTROL
R284
2
3k9
R282
STBY_ON/OFF_NOT
1
10k
2
12V_STBY
C139
22p
50V
VFB
C55
100n
R96
R15
R38
16V
120k
4k7
22k
F14
1
2
5V_VCC
60R
F62
1
2
60R
F7
1
2
5V_STBY
60R
C132
C133
22u
22u
F10
R46
6V3
6V3
1
2
2
MOSFET_CONTROL
10k
60R
SCH NAME :
DRAWN BY :
6
7
8
DC/DC3
50V
4n7
C1208
16V
40
47n
VIN3
39
C207
60R
12V_VCC
38
2
1
F60
37
L38
F1
60R
3V3_VCC
1
2
36
4u7
TP90
C463
C1191
35
10u
10u
16V
16V
34
VOUT3
33
60R
12V_VCC
32
2
1
F58
31
C1189
C1190
10u
FB3
16V 10u
16V
R652
220R
5V_VCC
C137
220u
6V3
25V
5V_VCC
R174
1
2
47R
SW2
R47
Q22
2
10k
1
BC848B
S15
S10
FS2
12V_VCC
7A/32VDC
4A
12V_VCC
R173
1
2
47R
SW1
Q21
1
BC848B
17mb95
A3
10
05_POWER
T. SHT:
02-08-2012_15:25
7
8
A
B
C
D
E
F
A X M

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