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MECHANICAL PARTS REQUIRING PERIODICAL INSPECTION
Guide roller ass'y
Supply impedance roller
Supply impedance roller
(inner hole and shaft)
Supply impedance roller flange
Retaining guide
Slant pole
Video head (upper/Lower drum
Full-erase head
A/C head
Capstan D.D. Motor
Pinch roller
Reel belt
Tension band ass'y
Loading Motor
Reel idler ass'y
Reel pully ass'y
Clutch gear ass'y
Main supply/take-up brake levers
N O T E :
If the reading is out of the specified value, clean or replace the part.
q
q
q
0
q
cl
0
q
cl
cl
cl
cl
cl
cl
El
cl
q
0
0
0
0
Cl
Cl
q
q
0
0
0
cl
q
cl
q
0
0
0
Cassette not loaded or unloaded
0
0
q
A
0
0
T a p e s l a c k
0
0
Possible symptom encountered
Lateral noises
Head occasionally blocked
Poor S/N ratio, no colour
Poor flatness of the envelope with
alignment tape
Poor colour, beating
Sound too small or distorted
No tape running, uneven colour
No tape running, tape slack
No tape running, tape slack, no
fast forward/rewind motion
No tape running
Remarks
Abnormal rotation or
significant vibration
requires replacement.
Clean with pure high
quality isopropyl alcohol.
Clean tape contact part
with the specified cleaning
liquid.
Clean tape contact area
with the specified cleaning
liquid.
Clean rubber and rubber
contact area with the
specified cleaning liquid.
.
Replace the roller of the
cleaner when it wears
down.
Just change the AHC roller
assembly for new one.
,
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