Sharp LC-32LD145E Service Manual page 73

CONVERTER
1 2
I
A
S44
24V_VCC_AU
S45
12V_VCC
H
C184
R32
1k
100n
C185
50V
100n
50V
1
BACKLIGHT_ON/OFF_PRT
R29
B 2
BACKLIGHT_ON/OFF 1k
G
S267
3
DIMMING
4
R175 R177
5
22k 22k
R87 R89 R94 R95
6
2 10k 1 2 10k 1 2 10k 1 2 10k 1
R236
7
10k
VCC1
NC NC 8
F
Channel_4
C
S46
Channel_1 CON_SUP
S47
Channel_2
E
S48
Channel_3
S49
Channel_4
S50
D
Channel_1 Channel_2
S51
Channel_2 Channel_3
S52
D
Channel_3 Channel_4
S55
Vled
CON_SUP
19'' LG TLA1
C
E
B
F
A
1 2
1 2 3
3
L11
CON_SUP
CON_SUP 22u
C181 C182 C183
100n 100n 100n
50V 50V 50V
C189 C188
100n 100n
50V 50V
C186
16
COMP VCC 100n
VCC1
50V
R31
15
EN VIN 1k
CON_SUP
14
DBRT GATE
U5
13
GND ISENSE
ISNS
MP3394
12
OSC OVP
OVP_LED
11
ISET LED1
10
BOSC LED2
Channel_2
9
LED4 LED3 Channel_3
3
4 5 6 7
4 5
D18
50R 50R
F44 F37 BA159
D19
BA159
OVP_LED
D10
1N4148
Q47
R275
FQD7N10L
15R
BACKLIGHT_ON/OFF_PRT
R19
BC858B
100R D11 R28
Q44
1k
1N4148
C187
100n
50V
Channel_1
4 5
8 9 10
73
6 7
C300 C299
10u 10u
25V 25V
C301 C305
10u 10u
25V 25V
S62
Vled+
Q36
BC848B
Vled1 V led2
12V_INV GND1
VESTEL
CONVERTER
SCH NAME :
<YOUR NAME HERE>
DRAWN BY :
6 7
13
11 12
LC-32LD145
LC-39LD145
8
A
Vled+
C308 C309
22u 100u
35V 25V
22uF 63V 22uF 100V
B
F46
Vled
330R
F45
330R
C
D
E
F
17mb82-1a
PROJECT NAME : A3
9
T. SHT:
27-11-2012_15:26
8
A X M
14
15 16