CFD-E75L
SECTION 4SECTION 5
MECHANICAL ADJUSTMENTSELECTRICAL ADJUSTMENTS
PRECAUTIONPRECAUTION
1. Clean the following parts with a denatured-alcohol-moistened1. Setting
swab :MEGA BASS control : OFF
record/playback headpinch roller
erase headrubber belts
TAPE DECK SECTION0 dB=0.775 V
capstanidlers
2. Demagnetize the record/playback head with a head demagne-Test tape
tizer. (Do not bring the head magnetizer close to the erase head.)
TypeSignalUsed for
3. Do not use a magnetized screwdriver for the adjustments.
WS-48A3 kHz, 0 dBTape Speed Adjustment
4. The adjustments should be performed with the rated power
supply voltage unless otherwise noted.
Tape Speed Adjustment
Setting:
Y Torque Measurement
Function: TAPE
ModeTorque MeterMeter Reading
2.95 � 6.86 mNYm
FWDCQ-102C(30 � 70 gYcm)Test tapePOWER board
CNP392 pin 1
(0.42 � 0.97 ozYinch)WS-48Afrequency counter
(3 kHz, 0 dB)
0.15 � 5.39 mNYm
3.2 &
FWD
CQ-102C(1.5 � 5.5 gYcm)
Back Tension+
(0.021 � 0.076 ozYinch)set
�
more than 5.89 mNYm
FFCQ-201B(more than 60 gYcm)POWER board
(more than 0.83 ozYinch)CNP392 pin 2
more than 5.89 mNYm
REWCQ-201B(more than 60 gYcm)
Procedure:
(more than 0.83 ozYinch)
1. Playback WS-48A (tape center) in the FWD state.
2. Adjsut the volume in CAPSTAN/REEL motor (M301) so that
Y Tape Tension Measurementthe frequency counter reading becomes 3,000 Hz.
ModeTension MeterMeter Reading
Specified Value: 2,930 to 3,030 Hz
more than 100 g
FWDCQ-403A
(more than 3.53 oz)
3. Confirm that the frequency at the beginning and that at the
end of tape winding are between 2,940 to 3,060 Hz.
Adjustment Location:
CAPSTAN/REEL motor
� TAPE deck block �(M301)
Tape speed
Adjustment
14 |
ACEC
