Sharp VC-M23SM Servicehandbuch Seite 11

MECHANICAL PARTS REQUIRING PERIODICAL INSPECTION -
Use the following table as a guide to maintain the mechanical parts in good operating condition.
Abnormal rotation or significant
vibration requires replacement.
Clean tape contact part with
the specified cleaning liquid.
Lateral noises Head occasion-
ally blocked
Poor S/N ratio, no colour
Poor flatness of the envelope with
alignment tape
Upper and lower drum ass'y
Clean tape contact area with
the specified cleaning liquid.
Poor colour, beating
Low or distorted audio
No tape running, tape slack
No tape running, tape slack, no
fast forward/rewind motion
Pinch roller eal Clean rubber and rubber con-
tact area with the specified
Drive belt il
cleaning liquid.
AHC (Auto Head Cleaner)
(VC-M43SM/M431SM)
Cassette notloaded or unloaded
Tape slack
Replace the roller of the
cleaner when it wears
down.
Just change the AHC roller
assembly for new one.
NOTE: ©: Part replacement. eect
(J: Cleaning (For cleaning, use a lint-free cloth dampened with pure isopropyt alcohol).
A: Oil refilling (The indicated point should be lubricated with high quality spindle oi! every 1000hrs).
If the reading is out of the specified value, clean or replace the part. .
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