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1-4-3 Electric problems
If the part causing the problem was not supplied, use the unit including the part for replacement.
Troubleshooting to each failure must be in the order of the numbered symptoms.
Problem
(1)
1. Defective connector
DF middle motor
cable or poor con-
motor does not
tact in the connector.
operate.
2. Defective drive trans-
mission system.
3. Defective motor.
4. Defective PWB.
(2)
1. Defective connector
DF middle eject
cable or poor con-
motor motor does
tact in the connector.
not operate.
2. Defective drive trans-
mission system.
3. Defective motor.
4. Defective PWB.
(3)
1. Defective connector
DF paddle motor
cable or poor con-
does not operate.
tact in the connector.
2. Defective drive trans-
mission system.
3. Defective motor.
4. Defective PWB.
(4)
1. Defective connector
DF eject release
cable or poor con-
motor does not
tact in the connector.
operate.
2. Defective drive trans-
mission system.
3. Defective motor.
4. Defective PWB.
All manuals and user guides at all-guides.com
Causes
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
DF middle motor and DF main PWB (YC10)
Check if the rollers and gears rotate smoothly. If not,
grease the bushes and gears. Check for broken gears and
replace if any.
Replace the DF middle motor.
Replace the DF main PWB and check for correct operation
(see page 1-5-4).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
DF middle eject motor and DF main PWB (YC10)
Check if the rollers and gears rotate smoothly. If not,
grease the bushes and gears. Check for broken gears and
replace if any.
Replace the DF middle eject motor.
Replace the DF main PWB and check for correct operation
(see page 1-5-4).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
DF paddle motor and DF main PWB (YC10)
Check if the rollers and gears rotate smoothly. If not,
grease the bushes and gears. Check for broken gears and
replace if any.
Replace the DF paddle motor.
Replace the DF main PWB and check for correct operation
(see page 1-5-4).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
DF eject release motor and DF main PWB (YC10)
Check if the rollers and gears rotate smoothly. If not,
grease the bushes and gears. Check for broken gears and
replace if any.
Replace the DF eject release motor.
Replace the DF main PWB and check for correct operation
(see page 1-5-4).
1-4-21
Check procedures/corrective measures
3NC/3NB/3NK
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