Samsung ML-1755 Service Manual page 95

CONNECTION DIAGRAM
10.2 SPL Model
HOST
USB CABLE
COMPUTER
THE RM
1
THERMISTOR
THE RM2
2
A
1
A/
2
MOTOR B
3
B/
4
1
2
DCU
3
4
Training Manual
10-2
4P IN
CONN-E CTOR
for
US B
CN3
1
CN12
2
1
SPL SPL
2
CN5
3
MAIN MAIN
4
BOARD BOARD
FR-4, 2Layer FR-4, 2Layer
+ 3.3V
1
D CU _D ATA
2
CN1
D CU _C LK
3
G ND
4
+24 VS
1
GND
2
*P MOTOR
3
*L RE ADY
4
EXT_ CL K
5
*H SYN C
6
CN9
+3.3V
7
GND
8
*L D_ ON
9
VD O
10
GND
11
+3.3V
1
CN6
PTL
2
+24 V
1
CN7
M_ Clutch
2
+24 V
CN8 1
C _C lutch
2
+3.3V GN D
1
+3.3V
2
+3.3V GN D
3
+3.3V
4
+3.3V GN D
5
+3.3V
6
+24 V GND
7
+24 V
8
+24 V GND
9
+24 V
10
+24 V GND
11
CN5
+24 V
12
*FU SER ON
13
+24 VS
14
*E xit Se nso r
15
+24 VS
16
LE D_ ERR OR
17
FAN
18
LE D_ DATA
19
*TH V PWM
20
*K EY_D EMO
21
*TH V Ea nb le
22
THV Re ad
23
*MHV P WM
24
*BIA S PWM
25
*Manu a l Se nso r
26
1
POLYGON
2
3
MOTOR
4
5
LSU
1
2
3
LD DIODE
4
5
6
1
PTL LED ARRAY
2
1
MANUAL CLUTCH
2
1
CASSETTE CLUTCH
2
1
2
3
4
5
6
SMPS
7
8
9
10
11
12 CN5
13
14
15
16
17
18
19
PANEL
20
21
22
23
FAN
HV PS
24
25
26
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