94
12 Measurements and Adjustments
12.1. Cassette Deck
1. Input point: Not Applicable.
2. Input signal: Test Tape (QZZCWAT).
3. Measuring point: Pin 3 (signal) & Pin 2 (ground at Deck P.C.B.).
4. Mode: Tape.
5. Preparation Items:
a. Test tape (as described in item 2).
b. Headphone Jack output jig (Figure 2).
c. Frequency indicator.
d. Electrical voltmeter.
e. Digital frequency counter.
f. Oscilloscope.
Figure 1
Figure 2
12.2. Tape Speed Adjustment
1. Connect the frequency indicator to the R-ch of the headphone output jig (Figure 3).
2. Insert the test tape (QZZCWAT).
3. Playback the middle portion of the test tape (QZZCWAT).
4. Adjust the motor screw so that the following output level is produced. (Figure 4)
(Adjustment Range: 3,000 ± 90Hz).
Figure 3
Figure 4
Summary of Contents for SA-VK680PU
Page 16: ...16 5 3 Disc Information 5 3 1 Disc Playability Media ...
Page 19: ...19 5 5 DivX VOD Content ...
Page 20: ...20 5 6 USB Play and Recording ...
Page 21: ...21 ...
Page 38: ...38 6 5 6 Deck Mechanism Error Code Table ...
Page 49: ...49 ...
Page 51: ...51 9 2 Main Components and P C B Location ...
Page 118: ...118 ...
Page 120: ...120 ...
Page 146: ...146 ...
