5-4
UP-960(UC)
UP-960CE(CE)
5-4. HEAD OPERATION (UP & DOWN) IS OUT OF ORDER
START
Pins 97 and 98 of IC505, or
IC402 and Q403 line on
MA-91 board are defective.
Does head motor operate?
YES
NO
The head position sensor line
on SE-441 board is defective.
IC406 to pins 79 and 80 of
IC505 line on MA-91 board
are defective.
YES
Are signals
from sensor available
at pins 17 and 19 of
CN201 on MA-91
board?
NO
Summary of Contents for UP-960
Page 1: ...VIDEO GRAPHIC PRINTER UP 960 UP 960CE 1st Edition SERVICE MANUAL ...
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Page 75: ...8 1 8 1 UP 960 UC UP 960CE CE SECTION 8 BLOCK DIAGRAMS ...
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