MD-X5H/CP-X5H
Y Disc motor fails to run
Does waveform appear on the pins 24 and 25 of IC1201 in theCheck soldering joint and parts of pins 24 and 25 of IC1201, and
No
TEST mode focus gain coarse adjustment step?peripheral circuit.
Yes
Does waveform appear on the pins 34 and 35 of IC1601, pinsCheck soldering joint of PWB of completed IC1601 and CNP1601
No
1 and 2 of CNP1603?disc motor.
Yes
Replace the completed disc motor.
Y Tracking servo failure
Does waveform appear on the pins 8 and 9 of IC1601, and pinsCheck the soldering joint of pins 20 and 21 of IC1201, IC1601,
No
1 and 3 of CNS1101 in the TEST mode focus gain adjustmentIC1601, CNS1101.
step?
Yes
Replace the optical pickup.
Y Slide servo failure
Does the pickup move to external and internal periphery whenCheck the waveform on the pins 22 and 23 of IC1201, check the
Yes
the or button is pressed in the TEST mode?peripheral parts and soldering joint.
No
Is there any change on the pins 22 and 23 of IC1201 when theCheck the waveform on the pins 22 and 23 of IC1201, check the
No
or button is pressed?peripheral parts and soldering joint.
Yes
Is there any change on the pins 28 and 29 of IC1601, and theCheck the soldering joint of IC1601 and CNP1602.
No
pins 1 and 2 of CNP1602 when the or button is
pressed?
Yes
Does voltage on the positive and negative terminals of slideCheck the soldering joint connected to the slide motor to see whether
No
motor change when the or button is pressed?there is wire breakage.
Yes
Replace the slide motor.
� 77 � |
ACEC
