14 Measurement And Adjustments
14.1. Cassette Deck Section
14.1.1. Requirements
·
Test tape (QZZCFM) (QZZCWAT)
·
Normal blank cassette tape (QZZCRA)
·
Digital frequency counter
·
Oscilloscope
·
Electrical voltmeter
·
Headphone jack output jig (Fig 8)
14.1.2. Setting of Unit
·
VOLUME: MAX
14.1.3. Preparations
1. Apply under [10. Assembling and Disasseambling].
2. Remove 4 screws from the mechanism unit to disassemble. under [10.14 Disassembly of Deck Mechanism Unit].
3. Connect the headphone jack output jig (Fig 8) to headphone jack.
Fig. 8
Fig. 9
14.1.4. Tape Speed Adjustment
·
Normal speed adjustment (only during forward playback)
(Product reference value: 3,000±90Hz)
1. Connect a frequency indicator. (Fig 10)
2. Playback the middle portion of the test tape (QZZCWAT).
3. Adjust the motor screw so that the following output level is produced. (Fig 11)
Adjustment Range: 3,000 ± 90Hz (a constant speed)
48
SA-AK450PL
Содержание SA-AK450PL
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Страница 11: ...6 Accessories Remote Control FM Antenna Wire AC Cord AM Loop Antenna 11 SA AK450PL ...
Страница 12: ...7 Operating Instructions Procedures 7 1 Main Unit Key Buttons Operations 12 SA AK450PL ...
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Страница 38: ...10 17 1 Replacement of Pinch Roller and Head Block 38 SA AK450PL ...
Страница 39: ...10 17 2 Replacement of Motor Capstan Belt A Capstan Belt B and Winding Belt 39 SA AK450PL ...
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Страница 89: ...23 Exploded Views 23 1 Cabinet Parts Location SA AK450PL 89 ...
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