Function Board - Samsung LW32A23W Service Manual

Schematic Diagrams
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Power Switch Schematic Diagram
STD_VCC6A STD_VCC5B STD_VCC3B
FT114 FT115 FT116
AGND
SUPLVAL
CN129
TP1 SW_SMPS
20
TP2
19
TP3
18
TP4
17
TP5
CH+_OUT
16 TP6
VOL+_OUT
15
TP7
BUZER_IN
14
TP8
CH-_OUT
13
TP9
VOL-_OUT
12
TP10
SOURCE_OUT
11 TP11
MENU_OUT
10
9 TP12
8
TP13
7
6
TP14
IR
5
LED_GRN
4 TP15
3 LED_RED
TP16
2
1
C131
C132 C133
22uF
22uF 22uF
16V
16V 16V
AGND
AGND

FUNCTION BOARD

STD_VCC5B
FT134
CN131
slcon10p
1
2
3
CH+_OUT
4
VOL+_OUT
5
BUZER_IN
STD_VCC5B
6 CH-_OUT
7
VOL-_OUT
8
SOURCE_OUT
9
MENU_OUT
10
AGND
REMOCON IR
2SC2412K-Q
LED_RED
IR
1/16W
R170
VOUT
22 R171
FT118
1/16W 4.3K
VCC LED_GRN
1/16W
C135 GND_1
C134
100nF
100uF
GND_2
50V
1/16W
MO
GND_3
AGND
AGND
AGND
STD_VCC3B
R168 R167
330 330
1/16W 1/16W LED1
ICL-105B2
Q102
C
1 T701
B
1
T702
R169
E
4.7K
AGND
Q103
C
2SC2412K-Q
B
R172
E
4.7K
AGND AGND
STANDBY POWER
1
CN130
slcon3p
FT133
1
STD_VCC6A
FT135
2
FT105
3
SW_SMPS