Sanyo C4 - Mechanism Adjustment

MECHANISM ADJUSTMENT (DECK UNIT) ____________________ _
(4) HEAD REPLACEMENT AND AZIMUTH ADJUSTMENT
r
i I
BLACK~ 'f f
+ PINK · . .1,
B ~
WHITE
)
After replacing the head, demagnetize (clean) it with head
l ,;leanings and head silencer. Play back the test tape for
azimuth adjustment (VTT-658, 10 kHz for instance) and
turn the azimuth adjusting screw with Phillips screwdriver
so that the left and right outputs of both SIDE 1 and SIDE
2 of cassette will be maximized.
(5) MECHANISM ADJUSTMENT
*
*
Before measurement, clean the head, capstan and pinch
roller.
Check torque and tensions.
Measuring
item
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Measurement
cassette
PLAY
F.FWD
REW
-8-
Removal Escutcheon
PLAY
BACK
Take-up
torque
----------------
PLAY:
TW-2111
F.FWD/REW:
TW-2231
30~60 gr.cm
80 ~ 140 gr.cni
80 ~ 140 gr.cm
Back tension Tape tension
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PLAY/F.FWD:
Drive power
TW-2111
cassette
REW:
TW-2412
torque gauge
2~6 gr.cm
Greater than
90 gr.
2~6gr.cm
-
2 ~8 gr.cm
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