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SYMPTOM
DIAGNOSIS
REMEDY
ERROR 9
(TOC Error)
Disc is warped
cracked or severely
damaged
Put in a different disc!
The laser pickup is
defective
Have a service center
repair the laser pickup
Servo unit in CDP
mechanism is not
operating properly
Check the servo circuit area and
repair as necessary
CD skips
excessively
Source unit mounted
at an incorrect angle
Check mounting angle of source
unit (mount within ±20˚ from hor-
izontal) and repair as necessary
Source unit not
secured properly
(Standard Mount)
Check tightness of installation
sleeve and backstrap and repair or
replace as necessary
Source unit not
secured properly
(ISO Mount)
Check tightness of mounting
screws and repair or replace as
necessary
Radiated Noises
No RF suppression
of blower motors
Connect filter cap (Radio Shack
#272-1085) in-line on B+ as close
to blower motor as possible
No RF suppression
of switches
Connect a .1µf – .01µf non-polarized
capacitor across switch contacts
ERROR 7
(Servo Error)
Excessive dirt or dust
on disc
Clean disc to remove dirt or dust
as necessary
Disc is warped
cracked or severely
damaged
Put in a different disc!
Excessive scratches
on disk
Put in a different disc!
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