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TC-FX45
3 - 1 . M E C H A N I C A L A D J U S T M E N T S
1.
Clean the following parts with a denatured-
alcohol-moistened swab:
record/playback head
erase head
capstan
2. Demagnetize the record/playback head with
head demagnetizer.
lead Height Adjustment
Prepare an adjustment cassette as shown below.
1.
C-
1
tape cassette
2.
In playback mode and viewing from the front,
adjust the head heights to eliminate tape curl
and tape twist at portions of the arrow.
Soft Eject Adjustment
Specification
Set the tape (C-90) and adjust
the adjustment screw so that
the EJECT TIME is within the
specification.
pinch roller
rubber belts
idlers
Cur out hatched
portions.
record/playback
erase head
3-513-237-01
3-513-237-11 (t=0.2)
Shim, head height adjustment
fast
adjustment screw
SECTION 3
ADJUSTMENTS
PRECAUTION
3.
Do not use a magnetized screwdriver for the
adjustments.
4.
After the adjustments, apply suitable locking
compound to the parts adjusted.
The adjustments should be performed with the
5.
rated power supply voltage unless otherwise
a
noted.
Torque Measurement
Torque
Forward
Tension
Back
Forward
Fast
and Rewind
Pinch Roller Pressure Measurement
- Playback Mode -
and read the spring scale just when
the pinch roller starts rotating.
(The capstan should
pinch
roller
(t=O.l)
slow
-14-
Meter reading
Torque meter
60gm-cm
28-
CQlO2C
(0.38 - 0.83 oz-inch)
2.5 - 6g-cm
(0.03 - 0.07 oz-inch)
80 - 165 g-cm
(1.1 - 2.2 oz-inch)
1
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