Hyundai H-MS1107, Service Manual

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Page 14
Maintenance procedure for the servo part of the decoding board is as follows:
The CD is not displayed.
Check if the focusing action of the
laser head is normal or not after
the machine is turned on.
Check the +5V power supply for
servo is normal or not.
YES
Replace it with a laser head of the
same model.
Replace it with an IC of the same
model.
NO
NO
NO
NO
YES
YES
Check if the contact of the 24P
light head terminal is normal or
not.
Replace it with a terminal of the
same kind.
YES
Open the machine casing to check
if there is any fog on the laser head.
Check if the CD is displayed after
the machine is powered for 1 hour.
NO
YES
Check if the laser head is normal
or not.
Check the SPHE6300A for the
servo IC on the decoding board.