Sony UP-D2600, Руководство по обслуживанию

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4-7
UP-D2600/V1(E)
4-2-3. Paper Supply Motor Drive Circuit
The paper feed motor is PWM-driven using a PWM output signal from pin 46 of IC112 (CPU).
4-2-4. Head Motor and Tray Motor Drive Circuits
pins 42 and 43 of IC115 ( parallel port) head motor
pins 40 and 41 of IC115 ( parallel port) tray motor
the pins 10 and 13 of IC105 head motor .
pins 1 and 18 of IC105 tray motor .
pins 7 and 14 head motor .
pins 4 and 17 tray motor .
The up, down, and brake operations are performed through the following combination.
Pins 40 and 42 of IC115 Pins 41 and 43 of IC115
Up H L
Down L H
Brake H H
Others L L
LOAD MTR0
LOAD MTR1
N.C.
A-VCC
A-IN
A-OUT
GND
GND
A-OUT
A-IN
A-VCC
N.C.
B-OUT
GND
N.C.
B-IN
B-VCC
N.C.
B-OUT
GND
B-VCC
B-IN
4 3
12V
1k 1k
1k
1k
SN74HC14ANS-E05
R
MB3863PF-G-BND-E
10E-2FD
16V
100
R292 R291
TP185
R166
IC110
IC113(2/6)
C178
TP188
R174
D101
20
19
18
17
16
15
14
13
12
11 10
9
8
7
6
5
4
3
2
1
-2 -2
-2
IC112 45PIN
IC115 9PIN
CN012 2PIN
CN012 1PIN
TO LOAD MOTOR
The control signal from
is input to
The motor is driven by the voltage output from
HED0
TRAY0
TRAY1
HED1
N.C.
A-VCC
A-IN
A-OUT
GND
GND
A-OUT
A-IN
A-VCC
N.C.
B-OUT
GND
N.C.
B-IN
B-VCC
N.C.
B-OUT
GND
B-VCC
B-IN
12V
R MB3863PF-G-BND-E
1k
1k
1k
1k
16V
100
IC105
TP143
TP144
TP145
TP146
C134
R158
R155
R157
R156
-2 -2
20
19
18
17
16
15
14
13
12
11 10
9
8
7
6
5
4
3
2
1
-2
CN013 2PIN
CN013 1PIN
CN016 2PIN
TO TRAY MOTOR
TO HEAD MOTOR
CN016 1PIN
IC115 40 PIN
IC115 41PIN
IC115 43PIN
IC115 42PIN