Toshiba 32SL738G, Service Manual

Page: 30 / 82

A A
B B
C C
D D
E E
4
4
3
3
2
2
1
1
STANDBY POWER 3V3SB
DIGITAL POWER DVDD3V3
Other Control Interface
ીᄅ
IC G1084-33T
U
3
U
f
TO-263
T
1
.2
5
x
(1
+
0
/1
1
0
) =
1
.2
5
V
ANALOG POWER AVDD1V25
FOR 19"22" 16V SWITCH
BL_ON/OFF Inverter on: Low Inverter off: High
IN
V
E
R
T
E
R
O
N
/O
F
F
Add R904 for Under 5W 9/22
R1
Vout = 0.8x(R1+R2)/R
2
ીᄅ
R2
N
/C
2K
4K7
IN
V
E
R
T
E
R
O
N
/O
F
F
N
/C
5V
3V3
+
5
V
_
S
T
B
(+
5
V
1
) T
O
+
5
V
_
S
W
B
Y
O
P
W
R
S
B
R115
R116
BL_DIM(PWM for Bright_Adj): M
a
x
:3
.3
V
Min: 0V
0303
B
R
IG
H
T
A
D
J
U
S
T
C105
5K6 R112
SEC32W AP12
N
/C
100R
1K
R111
26",32",40"-14
B
K
L
CONTROL T
Y
P
E
2
2
U
4K7
CMO26W/ S
E
C
3
2
F
/S
E
C
4
0
F
DC-CONTROL (3V3)
DC-CONTROL (5V)
R110
N
/C
PWM CONTROL
N
/C
4K7
N
/C
SEC32W AP12 O
L
D
In
v
e
rte
r l
m
p
260K
N
/C
2
2
U
5K6
R742
15K
N
/C
REMARK
N
E
W
In
v
e
rte
r
lm
p
2
8
K
H
I
=
>
P
O
W
E
R
_
O
N
L
O
=
>
P
O
W
E
R
_
O
F
F
(+16V) for 22"
M
A
IN
P
O
W
E
R
OPWRSB
AC_DET#
INVERTER_ON_OFF
BL_ON/OFF
OPWRSB
BL_DIMMING
BL_ON/OFF
AC_DET
BL_DIMMING
AC_DET
BRIGHT_ADJ
AC_DET#
INVERTER_ON_OFF
BRIGHT_ADJ
AVDD3V3
8,9,15,17
VCCK
4
GND
4,5,6,7,8,9,10,11,12,13,14,15,16,17
+
5
V
S
B
6,11,14,16,17
3V3S
B
6,16
OPWRSB
6
AVDD1V25
4,5,7,8,15,17
DVDD3V3
4,5,6,7,9,17
+
1
2
V
15
BL_DIMMING
7
BL_ON/OFF
8
AC_DET
7
STANDBY
7
VCCK +
5
V
S
B
3V3S
B
AVDD3V3
+
5
V
S
B
3V3SB
DVDD3V3
AVDD1V25 DVDD3V3
+
5
V
_
S
W
+
1
2
V
DVDD3V3
AVDD1V25
+
1
2
V
DVDD3V3
+
5
V
_
S
W
DVDD3V3
+5VSB
3V3S
B
VCCK
+
5
V
S
B
VCCK
+5V_S
W
+
5
V
_
S
W
AVDD3V3
DVDD3V3
+5V_S
W
DVDD3V3
DVDD3V3
+
1
2
V
S
B
+
1
2
V
S
B
+
5
V
S
B
+
2
4
V
R110
NC/4K7 1/10W
C547
1uF 25V
C552
0.1uF 50V
R111
4.7K 1/10W
C125
1uF 16V
Q105 M
M
B
T
3
9
0
4
3
1
2
U607
G1117-33T43UF
1
2
3
ADJ(GND)
VOUT(TAB)
VIN
R104
100R 1/10W 5%
+
C126
100UF16V
U103 G5627F11U
1 2 3 4
5 6 7 8 9
VCC REF GND FB
EN
PGND
LX
VIN
Thermal Pad
R749
68K 1/10W
C121
4.7UF 10V
C116 1uF 25V
C122
0.1uF 50V
R108 100K 1/10W
R112
100R 1/10W 5%
C104
1uF 25V
Q104 M
M
B
T
3
9
0
4
3
1
2
FB109
33 OHM
C550
NC/0.1uF 50V
C111
1uF 25V
C108
10uF 10V
+
C115 330uF 10V
R774
NC/0R01 1/10W
C105
NC/22UF 10V
U104
3
2
1
VIN
VOUT
GND
Q106
Si5403DC-T1-GE3
1
2
3
4 5
6
7
8
D
D
D
G S
D
D
D
R120
10R 1/10W 5%
FB104
120R/6000mA
1
2
R113 0R01 1/10W
+
C107 100uF 10V
R102
4.7K 1/10W
U105
G1117T63Uf
3
1
2
4
VIN
GND
VOUT
TH
R121 51K 1/10W
R117 10K 1/10W
L10
1
4.7uH
+
C117
47uF/16V
R107 1K 1/10W
R118 4.7K 1/10W
C546 1uF 25V
Q107 BC847C
R128 NC
C114 1uF 25V
+
C109
100uF 10V
FB102
220R/2000mA
1
2
C113 1uF 16V
R129 0R01 1/10W
Q102
2SK182
8
3
1
2
R119 22K 1/10W
FB108
220R/2000mA
1
2
U101
G1117-33T63Uf
3
2
1
4
VI
VO
GND
4
+
C112 100uF/16V
R127 10K 1/10W
C120 0.1uF 50V
R114
4.7K 1/10W
FB107
220R/2000mA
1
2
C123
10uF 10V
R115
NC/4K7 1/10W
C106 1uF 25V
FB135
220R/2000mA
1
2
C110
1uF 25V
R126
4.7K 1/10W
FB139
120R/6000mA
1
2
CN701 CONN
1 2 3 4 5 6 7 8 9 10 11 12 13
R109 4.7K 1/10W
FB101
220R/2000mA
1
2
R124
1K8 1/10W 1%
R123
2.7K 1/10W
R626
1K 1/10W
+
C119 330UF6.3V
R742 NC/15K 1/10W
R125
100R 1/10W 5%
R116 2K 1/10W
MAI
N
[1
] Syst
e
m
Po
w
e
r