ELECTRICAL ADJUSTMENT
(3) SYNC TIP FREQUENCY
Adjustment Parts | Check Point | Measuring Equipment | Test Tape | Input Signal |
R391 | TJ391 | Frequency Counter | - | - |
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vCONNECTION METHOD
R391 | TJ391 |
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| SYNC TIP | |
| Oscilloscope | |
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VIDEO IN is shorted with Ground
vADJUSTMENT PROCEDURE
1)Set the VCR to STOP mode without Video Signal.(VIDEO IN JACK is shorted with Ground)
2)Connect the frequency counter TJ391.
3)After Inserting Rec Tape REC in SP Mode
4)Adjust R391 to obtain 4.20 ± 0.1 MHz.
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