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4-9
UP-960(UC)
UP-960CE(CE)
PM_A1 (IC505-93pin)
L
L
H
H
PM_A2 (IC505-94pin)
H
H
L
L
PM_B1 (IC505-95pin)
L
H
H
L
PM_B2 (IC505-96pin)
H
L
L
H
correct rotation
reverse rotation
Rear DIP SW
Function
Operation
IC505 pin 39
INPUT
L : B&W
H : COLOR
IC505 pin 40
SCAN
IC505 pin 41
IC505 pin 42
DIRECTION
L : NORMAL
H : REVERSE
IC505 pin 43
MEMORY
L : FRAME
H : FIELD
IC505 pin 45
ASPECT
L : 4 : 3
H : 1 : 1
IC505 pin 46
INTERRUPT
L : ON
H : OFF
IC505 pin 4
MIRROR
L : ON
H : OFF
IC505 pin 5
RESERVED
4-4-3. Platen Motor Control
IC505 pins 93, 94, 95 and 96 control correct rotation or reverse rotation and rotation speed of platen motor by operating
driving transistors Q405, 406, 407 and 408.
4-4-4. Head Up and Down Control
Up and down motor of the head is driven by IC402. Correct rotation and reverse rotation are possible. And their controls
are performed by IC505 pins 97 and 98. The head position is detected by optical type head position sensors (SE-441 board,
PH201 and 202) and read by IC505 pins 79 and 80.
Operation of Head Up and Down Motor
Head motor
IC505-98pin
IC505-97pin
Operation
UP
L
H
Head is lifted.
DOWN
H
L
Head is down.
STOP
H
H
Stopped
Condition of Head Position Sensor
Head position sensor
IC505-80pin
IC505-79pin
Condition
TOP
L
L
Door lock is released.
HOME
L
H
Wait (Usual)
BOTTOM
H
L
WIDE1
L
L
NORMAL
H
L
WIDE2
L
H
Содержание UP-960
Страница 1: ...VIDEO GRAPHIC PRINTER UP 960 UP 960CE 1st Edition SERVICE MANUAL ...
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