
Chapter
Problem and | Possible Solution | Service | Operator |
Symptom to |
| Manual | Manual |
Check |
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Data lost when | SCB socket batteries weak. “RAM | 4.14 |
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projector is | BATTERY LOW” may appear |
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turned off and | on screen. |
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back on. |
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“Flagwaving” at top | VCR mode (if using CVID or SVID | 5.3 | Table |
of picture or top | input). |
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of image is | Select 2H Sync Enable or |
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skewed. | Shift Sync Enable from the |
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| Menu. |
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Convergence and/or | Menu Position adjustment for the |
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shading is | “Copied to” channel. |
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incorrect after |
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doing copy |
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channel. |
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Red bands across | Channel data not loading properly. |
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image after | Upgrade software. |
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channel change. |
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Communication | Unplug tethered remote at the |
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error. | projector |
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| and reconnect. |
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Check hardwired | Bad |
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cable for broken |
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wires and/or if |
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wired for RS- |
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232 null modem. |
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Bad | Replace System Controller Board. | 4.11 |
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interface port on |
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the System |
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Controller. |
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Board. |
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LCD displays | Unplug tethered remote at projector |
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erroneous | and reconnect. |
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characters. |
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Infrared I/R |
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Remote |
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No response. | Set I/R remote dip switch settings. |
| 5.8 |
Model 330, 340SC, and 370SC Service Manual |