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-AK750P / SA-AK750PC
Summary of Contents for SA-AK750P
Page 8: ...8 SA AK750P SA AK750PC ...
Page 13: ...13 SA AK750P SA AK750PC ...
Page 16: ...With reference to page 13 of the operating instruction manual 16 SA AK750P SA AK750PC ...
Page 18: ...With reference to page 17 of the operating instruction manual 18 SA AK750P SA AK750PC ...
Page 29: ...10 3 Main Parts Location 29 SA AK750P SA AK750PC ...
Page 40: ...10 16 1 Replacement of Pinch Roller and Head Block 40 SA AK750P SA AK750PC ...
Page 47: ...12 4 Checking and Repairing of Power P C B 47 SA AK750P SA AK750PC ...
Page 49: ...Fig 7 49 SA AK750P SA AK750PC ...
Page 53: ...15 2 Power P C B Transformer P C B 15 3 Panel P C B 53 SA AK750P SA AK750PC ...
Page 54: ...15 4 Main P C B 54 SA AK750P SA AK750PC ...
Page 55: ...15 5 XM P C B 15 6 Deck P C B 55 SA AK750P SA AK750PC ...
Page 56: ...15 7 Waveform Chart 56 SA AK750P SA AK750PC ...
Page 58: ...58 SA AK750P SA AK750PC ...
Page 66: ...SA AK750P SA AK750PC 66 ...
Page 68: ...68 SA AK750P SA AK750PC ...
Page 88: ...SA AK750P SA AK750PC 88 ...
Page 93: ...23 Exploded Views 23 1 Cabinet Parts Location SA AK750P SA AK750PC 93 ...
Page 94: ...SA AK750P SA AK750PC 94 ...
Page 95: ...23 2 Deck Mechanism Parts Locations RAA4403 S SA AK750P SA AK750PC 95 ...