Zenith Z-100 PC series Service Manual page 352

START
CHECK DC
VOLTAGE AT
PCB
CHECK JUMPER CHECK
NO
YES
DC POWER
END
OPTIONS AND IF
SOURCE DRIVE IS SELECTED
REPLACE
DRIVE
MOTOR
REPLACE
DRIVE
PCB
PERFORM
MOTOR SPEED
ADJUSTMENT
(PARA. 5.4.7)
END
392~
FIGURE 5·2. DISKETIE NOT ROTATING
5·4
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j
I
I II
f.j
,I I ·1' j, , ' , .. ,
~
,
I
~ I
I "
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