TROUBLESHOOTING FLOW CHART
2. SERVO-SYSCON CIRCUIT
A.
Playback picture |
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is not good |
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Noise appears | NO | ||
although | |||
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adjusting tracking. |
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| YES |
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Is CTL pulse output | NO | |
at pin 25 of IC501? |
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| YES |
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| NO |
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The voltage of pin 89 | ||
of IC501 not changing? |
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| YES |
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Playback picture |
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Check IC501 |
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is not good |
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Adjust tracking. |
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Noise appears |
| YES | |
although change |
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cassette tape. |
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CTL HEAD height |
| NO | |
is normal and |
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there is not dust? |
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| YES |
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Check R527, C514. |
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Check and
the path of Deck.
Adjust the HEAD
height and
remove dust.
Check circuit
adjacent to Ic501 & IC502.
26