M695 Fault finding | Service manual M695 |
09/93 | Doc code 636 718 |
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| Heading | Reaction |
| Possible fault |
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ZOOM SPEED Set min. zoom speed | 1.84 ... 2.34V |
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| Set max. zoom speed | 5V |
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| ZOOM UP |
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| >4.75V |
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| /footswitch |
| Voltages ok, but | Microscope | |||
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| <0.2V | reacts incorrect | (Logic board. | |||
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| Zoom servo, |
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| wiring) |
| ZOOM DN |
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| >4.75v |
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| /footswitch |
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| <0.2v |
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| Separate microscope | see above | Voltages | ok | Microscope | ||
| from the testbox and | ||||||
| check | signals |
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| (short circuit on |
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| Zoom servo or |
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| wiring) |
| Bridge | swingarm | with |
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| servicecable and | verify | see above | Voltages | ok | Swingarm cable | |
| signals |
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| Voltages not ok | Control unit | |
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