Technical
 Rear view |
Fault and repair guideNo reel rotationThis is a very common problem which plagues all Sanyo machines and can have several causes. The first thing which fails is usually the reel idler assembly. Replacement units are readily available and can be fitted easily after removal of the cassette carriage. Next thing to check is the drive belt connecting the motor to the idler assembly. Finally suspect failure of the motor itself. |
Quick fault guide
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| Fault | Solution |
|---|---|
| Loss of audio | Check C08 (2.2uF 50V) in the audio block for O/C |
| No rewind and no forward. Eats tape when ejecting | Replace all belts and renew the idler and small belts too. |
| Wrong values not 2.2 uF but 22uF | The capacitor is not 2.2uF but 22uF 16v |
| Double horizontal image | Reflow solder joints for DL3 on VD-1 PCB. |
| Capstan speed varying at same rate as you see capstan turning | 1/ Clean capstan shaft to ensure it is uniform in diameter. 2/ Make sure V9 on servo board is adjusted when playing to give 4V measured at pin 3 of test socket. 3/ Ensure back tension is right. Lever in correct position and tension. 4/ Swap out capstan motor for a spare, reset RV9 and test. |