6
CFM-S1MK2
TAPE RECORDER SECTION
FUNOTION switch : TAPE (RADIO OFF)
SOUND switch : OFF
VOLUME : MIN
Standard Output Level
Output terminal Earphone Speaker
load impedance 8Ω 6Ω
output signal level 0.25V (–10dB) 0.775V (0dB)
Test Tape
Type Signal Used for
WS-48A 3kHz, 0dB Tape Speed Adjustment
Record/Playback Head Azimuth Adjustment
Procedure :
1.Playback Mode
2.Rotate the screw to adjust level meter reading to the maximum.
Note : Adjust to the maximum peak though there may be two or
three peakes
3.After the adjustment, lock the adjustment screws with suitable
locking compound.
Adjustment Location :
SECTION 3
ADJUSTMENTS
3-1. MECHANICAL ADJUSTMENTS
PRECAUTION
1.Clean the following parts with a denatured-alcohol-moistened
swab :
record/playback head pinch roller
erase head rubber belts
capstan
2.Demagnetize the record/playback head with a head demagnetizer.
(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 sup
ply voltage unless otherwise noted.
Torque Measurement
Forward CQ-102C
Forward
CQ-102C
Back Tension
Fast Forward CQ-201B
Rewind CQ-201B
Tape Tension Measurement
Torque Meter Meter Reading
Torque Torque Meter Meter Reading
1.77 to 5.88 mN•m
(18 to 60 g•cm)
(0.25 to 0.83 oz•inch)
0.01 to 0.49 mN•m
(1 to 5 g•cm)
(0.014 to 0.069 oz•inch)
4.42 to 9.31 mN•m
(45 to 95 g•cm)
(0.63 to 1.31 oz•inch)
4.42 to 9.31 mN•m
(45 to 95 g•cm)
(0.63 to 1.31 oz•inch
)
3-2. ELECTRICAL ADJUSTMENTS
CQ-403A
more than 100g
(more than 3.53 oz)
0dB=0.775V
Head azimuth adjustent screw
set
test tape
P-4-A100
(10kHz, -10dB)
8
Ω
level meter
J101 (Earphone jack
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