Schematic Diagram; Main Control - Samsung DV409SEL Service Manual

8. SCHEMATIC DIAGRAM

8-1. MAIN CONTROL

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90019WS-03,BLK
60 _ Schematic Diagram
LVT1
DC26-00005C
1 10
2 9
CM1
3 8
275V,680nF
4 7
CN1
1
5 6
2
3
FJN3305R,0.3W
1
TR3
15V
E
3 B
C
R17
2
220,J,0.25W D4 MM4148
R38
2.2M,J,0.25W
1
CN6
YDW236-01,GRN
DGND
R18
D2
220,J,0.25W
MM4148
CN7
Steam Models Only
1
2
YDW236-02,RED
R10 D3
220,J,0.25W
MM4148
15V
CN5
AC2
1 6 D11
2 5
47,J,0.5W
3 4 MM4148
SMW420-06,_
Steam Models Only
15V
D1
R9
220,J,0.25W MM4148 D16
39,J,0.5W
MM4148
TR5
MMBT3906 R58
R59
4.7K,J,0.125W
1 3
TEMP
1K,J,0.125W 10K,J,0.125W
2
50V,10nF
5V 20K,J,0.125W
DGND
DGND
1K,J,0.125W
CE1
35V,10uF
50V,100nF
10K,J,0.125W
15V
CN4
1
DGND 15V
DGND DGND
1M,J,0.25W
2
3
C6
4
50V,10nF
10K,F,0.125W
5
6
7 R29 1K,J,0.125W
1M,J,0.25W
5V
DGND
DGND
50V,10nF
DGND DGND
15V 5V 5V
IC3
1 3 1 3
IN OUT
IN OUT
GND GND
KA7815 NJM7805
2 2
CE3
DGND 5V
DGND
5V
R49
10K,F,0.125W
2
C16
TR4 C
3 50V,10nF
B
10K,J,0.125W
E
1
1
DGND
DGND
2
DGND
5V
5V DGND
10K,J,0.125W
R6
1
35V,10uF
5V
100,J,0.25W
51K,J,2W
2 50V,10nF
LTV814
2.2K,J,0.25W
DGND
51K,J,2W
R5
1
100,J,0.25W
5V
2
LTV814
10K,J,0.125W
51K,J,2W R8
DGND
1
100,J,0.25W
5V
50V,10nF
2
LTV814
10K,J,0.125W
DGND
1 R7
51K,J,2W 100,J,0.25W
R22
2
50V,10nF
2.2K,J,0.25W
LTV814
DGND
DGND
15V 5V
5V
CN2
6
5V
5
4
SUB2 R11
3
2
120,J,0.125W
1
5V
R19
C1 10K,F,0.125W
2
50V,4.7nF
1 C
3 B
DGND
E
R20 E
3 B
120,J,0.125W
C 1
TR1
TR2 2
KSR2005,0.3W
DGND
DGND
5V
5V 5V
5V
DGND
DGND DGND
1 39
P140 AVSS
2 38
P120 AVREF
3 37
P41 P10
TX
4 36
P40 P11 RX
5 35
nRESET P12
6 34
P124 MICOM1 P13
7 33
P123 uPC78F0524 P14
8 32
FLMD0 P15
9 31
P122 P16
3 10 30
P121 P17
11 29
REGC P30
12 28
CE5
VSS P31
13 27
VDD P32
DGND
C22
CE4 50V,100nF DGND
DGND
5V
16 1
O1 i1
15 2
O2 i2
14 3
O3 i3
13 4
O4 i4
12 5
O5 i5
11 6
O6 i6
10 7
O7 i7
9 8
VCC GND
15V
KID65003AP
DGND
DGND
5V
CN3
1
2
3
TX 4
5
6
7
8
DGND DGND
RX
DGND
DGND
DGND