Samsung ML-6060 Service Manual page 88

Schematic Diagrams
Engine Circuit Diagram(2/2)
+5V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CN8-1
15
16
17
18
19
20
21
22
23
24
25
26
27
28
C?
100nF
DGND
Samsung Electronics
C521 C522
330pF 330pF
MOTOR_PA
MOTOR_PA*
16k_clk
NARROW*
EMPTY*
FEED*
FAN
CLUTCH
FUSER
MP_CLUTCH
MP_EMPTY*
MOTOR_PA
MOTOR_PB
MOTOR_PA*
MOTOR_PB*
SCF_CASSETTE
SCF_MOTOR*
SCF_CLUTCH
SCF_EMPTY*
MANUAL*
THERM2
THERM1
EXT_CLK
R60
1M
fuser_cover
OSC1
C?
100nF
6.81984MHz
C29
22pF
DGND DGND
DGND
C16
C17
47uF
47UF
10V 50V
AGND
DGND
CN3-1
1
2
3
U2
4 13
PHASE1 PHASE2
A2918SWV
14
_ENABLE1 _ENABLE2
AGND
R50 R45
1K 1K
C19 R47
330pF 24K C20 C25
R48 R44
10nF 0.39 0.39 10nF
AGND
DGND
+5V
BD10
BEAD
U5
BD1 R61
C?
9 7
BEAD 100 *O Q4
100pF
10 5 R67
O Q5
11 4 5.6K
*I Q6
6
Q7
12 14
CLR Q8
13
R54 Q9 (or Jumper)
15
DGND
100 Q10
16 1
VCC Q12
2
Q13
8 3
GND Q14
CD74HC4060F C? C? C31
C? 100pF 100pF 100pF
C30
C33
100pF
22pF
100nF
DGND DGND DGND DGND DGND
+24VS
8
MOTOR_PB
7
MOTOR_PB*
+5V
R40
3.3K
R46 C18
24K 330pF
R49
10K
DGND DGND
16k_clk
R68
47
EXT_CLK
9-13