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SCHEMATIC DIAGRAMS
Samsung Electronics
Repair Manual
+24V 1.8A
+5V 1.0A
GND
NO MARKING RESISTOR 1/4W-J (5%)
1
3
5
6
11
10
7
12
GND
CN5-14
CN5-13,15
CN5-16
EER2828
+5V +24VS
GND
GND
1
2
17
4
963181551612
7
14
8
13
1A
1B
2A
2B
PHASE1
+ENABLE1
RC1
SENSE1
E1
VREF
GND
E2
SENSE2
RC2
VCC
VBB
U1
A2918SWH
11 5
PHASE2
+ENABLE2
CN2
35303-0450
+5V
GNDGNDGNDGND
+24VS
+24V
CN4
35301-0350
GND
CN1
35303-0250
F501
250V 5A
R502
1/2W
560K
TNR501
TVR 10D 561K
C503
224
LF501
APOLLO12
D502
UF1010
C508
450V 150uF
V501
SCK-054
T501
NP
NB
N24
PC501
K1010H
PC501
K1010H
U503
KA431
2
3
1
L502
10uH
CN501
L
F. G
N
C505
104
C501
222MAD
C502
222MAD
C511
103
R517
82
1W
R509
3W
47K
R507
30
C509
50V 33uF
C510
2A 223K
R510
1W
0.6
D504
ER1002FCT
C520
50V 1000uF
C515
10V
1000uF
R511
4.3K
R512
330
R516
2.2K-F
R515
2.2K-F
C518
10V 470uF
-
+
BD501
FL406
C506
332MAD
C517
104
C519
104
R521
150
R520
47K
OP501
ITR8406-S
R519
500
5W
LF502
APOLLO12
CN502
1
2
U501
BTA12-600
PC502
KMOC3063
L501
300uH
C504
333
R501
1W 47
FUSIBLE
R503
1/4W
22
R508
1W 180
FUSIBLE
R513
1/2W
1.5K
R504
22K
R505
1W
100K
F502
250V 2A
C513
1uF
R518
22
R514
22
C522
1KV 102
C514
1KV 102
N5
D503
SB1040FCT
R506
1W
100K
U502
STRT-G6153
VCC
5
DRAIN
1
OCP
2
GND
3
FB
4
D501
ER102
B501
APOLLO12
C507
104
C512
1KV 221K
C521
50V 1000uF
C8
50V 47uF
C3
50V 47uF
C1
331
C2
331
C5
331
R11
56K
R10
1K
C7
103
R6
2W 0.37
R8
1K
R5
2W 0.37
C6
103
R15
56K
C4
331
R7
1.2K
R9
17.4K
R13
2.2K
R2
5.6K
Q3
1008-Y
D3
1N4003
R12
510
R1
5.6K
Q1
1008-Y
D2
1N4003
CN5-7,9,11
CN5-8,10,12
CN5-1,3,5
CN5-2,4,6
EXIT
+24VS2
FUSER_ON
EGMOT_PHA
EGMOT_PHB
+EGMOT_A1
+EGMOT_B1
1
2
3
4
FAN
1
2
3
CLUTCH
1
2
SMPS Circuit Diagram (220V)