Sharp VT-G14 - Page 28

28
VT-G14
VT-G21
Capstan D.D. Motor
Idler Ass’y
Guide Roller Ass’y
Sup Guide Shaft
Retaining Guide
Slant Pole on Pole Base
Full-erase Head Colour and beating
MAINTENANCE CHECK ITEMS AND EXECUTION TIME
Perform the maintenance with the regular intervals as follows so as to maintain the quality of machine.
Parts
Maintained
500
hrs.
1000
hrs.
1500
hrs.
2000
hrs.
Remarks
Pinch Roller
Reel Belt
Loading Motor
Tension Band Ass’y Screen swaying
A/C Head
Upper and Lower Drum Ass’y
Possible symptom
encountered
Lateral noises Head
occasionally blocked
No tape running, uneven
colour
No tape running, tape
slack
No tape running, tape
slack, no fast forward/
rewind motion
Cassette not loaded or
unloaded
No tape running, tape
slack
Limiter Pulley
Supply/Take-up Main Brake Levers Tape slack
Replace the roller of the
cleaner when it wears down.
Just change the AHC roller
assembly for new one.
Small sound or sound
distortion
Poor S/N ratio, no
colour Poor flatness of
the envelope with
alignment tape
Clean rubber and rubber
contact area with the
specified cleaning liquid.
Clean tape contact area with
the specified cleaning liquid.
Clean tape contact part with
the specified cleaning liquid.
Abnormal rotation or significant
vibration requires replacement.
AHC
(Automatic Head Cleaner)
NOTE: : Part replacement. : Cleaning : Apply grease
<Specified> Cleaning liquid: Industrial ethyl alcohol
* This mechanism does not need electric adjustment . Check parts. If any deviation is found, clean or
replace parts.