Mechanical Adjustments - Sony TC-K611S Service Manual
Stereo cassette deck
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Also See for TC-K611S:
- Service manual (39 pages) ,
- Service manual (38 pages) ,
- Operating instructions manual (19 pages)
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SECTION 3
MECHANICAL ADJUSTMENTS
PRECAUTION
Adjustment Position: As seen from the cassette, side (top)
1.
Clean
the following
parts
with
a denatured-alcohol-
and MD as seen head on (bottom).
moistened swab:
TC-K707ES/K711S :
record/playback head
pinch roller
erase head
rubber belts
capstan
idler
2.
Demagnetize
the record/playback
head
with
a head
demagnerizer.
3.
Do not use a magnetized screwdriver for the adjustments.
4,
After the adjustments, apply suitable locking compound
to the parts adjusted.
Tape Path Adjustment
Note:
When using the adjustment methods for other than
Supply pinch
Take-up pinch
replacement reasons, please do not tamper unneces-
palice
Erase head
Record/playback
roller
sarily with the adjustment screws or the erase head
head
because either the supply pinch roller guide or the
TC-K6118:
record/playback head will be made the standard tape
paths. Moreover, when it is necessary to adjust and
replace two or more of any of the heads and/or pinch
rollers, replace them one by one, completely taking
out the first tape path, and then replacing the second
one.
Preparation :
1.
Mirror cassette CQ009C 8-909-708-01
(or CQ012C 8-909-708-02)
Take-up pinch
roller
If one does not have this, cut out the sections of a
Record/playback
:
120-minute cassette shell as indicated below and use that
ne
cassette.
Definition of Terms: The figures are of a record/playback
head.
Height
Declination
Depth
Azimuth
"es
LZ
LMA
Cut out
2.
Phillips screwdriver (medium-size) :
For the head adjustment screws
Blade-type screwdriver (large-size) :
For the supply pinch roller adjustment screws
3.
Pen light
4.
WS-48B (3kHz, 0 dB)
5.
P-4-A100 (10kHz, —10dB)
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