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 Disassembling].
2. Remove 4 screws from the mechanism unit to disassemble. under [10.13 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)
50
SA-AK450P / SA-AK450PC
Summary of Contents for SA-AK450P
Page 8: ...8 SA AK450P SA AK450PC ...
Page 13: ...13 SA AK450P SA AK450PC ...
Page 16: ...With reference to page 13 of the operating instruction manual 16 SA AK450P SA AK450PC ...
Page 18: ...With reference to page 17 of the operating instruction manual 18 SA AK450P SA AK450PC ...
Page 29: ...10 3 Main Parts Location 29 SA AK450P SA AK450PC ...
Page 40: ...10 16 1 Replacement of Pinch Roller and Head Block 40 SA AK450P SA AK450PC ...
Page 47: ...12 4 Checking and Repairing of Power P C B 47 SA AK450P SA AK450PC ...
Page 49: ...Fig 7 49 SA AK450P SA AK450PC ...
Page 53: ...15 3 Main P C B 15 4 Panel P C B 53 SA AK450P SA AK450PC ...
Page 54: ...15 5 Power P C B Transformer P C B 15 6 XM P C B 54 SA AK450P SA AK450PC ...
Page 55: ...15 7 Waveform Chart 55 SA AK450P SA AK450PC ...
Page 64: ...SA AK450P SA AK450PC 64 ...
Page 66: ...66 SA AK450P SA AK450PC ...
Page 86: ...SA AK450P SA AK450PC 86 ...
Page 91: ...23 Exploded Views 23 1 Cabinet Parts Location SA AK450P SA AK450PC 91 ...
Page 92: ...SA AK450P SA AK450PC 92 ...
Page 93: ...23 2 Deck Mechanism Parts Locations RAA4403 S SA AK450P SA AK450PC 93 ...