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CFD-50
SECTION
4
MECHANICAL
ADJUSTMENTS
PRECAUTION
1.
Clean the following parts with a denatured-alcohol-moistened swab:
record/playback head
pinch roller
erase head
rubber belts
capstan
idlers
2.
Demagnetize the record/playback head with a head demagentizer.
(Do not bring the head demagnetizer close to the erase head.)
3.
Do not use a magnetized screwdriver for the adjustments.
4.
After the adjustments, apply suitable locking compound to the parts
adjusted.
5.
The adjustments should be performed with the rated power supply
voltage unless otherwise noted.
6.
Power supply voltge: 9V dc.
Torque Measurement
22.5 — 55 gecm
Fast Forward and
60 — 120 g*cm
(0.83 1.67 ozrinchy | COMI
:
2 — Sgecm
(0.03 = 0.07 ozrinchy | | SO
Tape Tension Measurement
CQ-403A
more than 150 g (5.29 02)
SECTION
5
ELECTRICAL
ADJUSTMENTS
PRECAUTION
Adjustments should be performed in the order given.
Generally playback circuit adjustments should be completed before
performing recording circuit adjustments.
Adjustments should be performed for both L-ch and R-ch.
Switches and controls should be set as follows unless otherwise
specified.
Positions of switches and control knobs
TONE
BO
OOO
ROHS ie: CLO OO
6 06
0168. O08
6.656 SOE
8) OS
8 ON Oe
0180 O88 are) maximum
Standard recording position
Adjust
the
VOLUME
knob
so
that
the
following
regulated
input/output signal levels are obtained.
Standard input level
[—__tput ind
Standard output level
[Output
Pin [Speaker A)] PHONES
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