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CFD-E75 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 demagnetizer. (Do not bring the head magnetizer close to the erase head.) 3. Do not use a magnetized screwdriver for the adjustments. 4. The adjustments should be performed with the rated power supply voltage unless otherwise noted. � Torque Measurement
Mode FWD Torque Meter CQ-102C Meter Reading 2.95 � 6.86 mN�m (30 � 70 g�cm) (0.42 � 0.97 oz�inch) 0.15 � 5.39 mN�m (1.5 � 5.5 g�cm) (0.021 � 0.076 oz�inch) more than 5.89 mN�m (more than 60 g�cm) (more than 0.83 oz�inch) more than 5.89 mN�m (more than 60 g�cm) (more than 0.83 oz�inch)
SECTION 5 ELECTRICAL ADJUSTMENTS
PRECAUTION
1. Setting MEGA BASS control : OFF
TAPE DECK SECTION
Test tape
Type WS-48A Signal 3 kHz, 0 dB
0 dB=0.775 V
Used for Tape Speed Adjustment
Tape Speed Adjustment Setting: Function: TAPE
Test tape WS-48A (3 kHz, 0 dB) POWER board CNP392 pin 1 frequency counter 3.2 �
FWD Back Tension
CQ-102C
set
+ �
FF
CQ-201B
POWER board CNP392 pin 2
REW
CQ-201B
Procedure: 1. Playback WS-48A (tape center) in the FWD state. 2. Adjsut the volume in CAPSTAN/REEL motor (M301) so that the frequency counter reading becomes 3,000 Hz. Specified Value: 2,930 to 3,030 Hz 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 (M301)
� Tape Tension Measurement
Mode FWD Tension Meter CQ-403A Meter Reading more than 100 g (more than 3.53 oz)
� TAPE deck block �
Tape speed Adjustment
15
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