Chapter
Table
Problem and | Possible Solution | Service | Operator |
Symptom to |
| Manual | Manual |
Check |
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No Power |
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Main input power. | Reset circuit breaker. |
| |
System Power | Reset System Power Supply circuit | 3.1, |
|
Supply main | breaker. Reset interlock switch | Figure |
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circuit breaker. | to the UP position. |
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System Power | Verify input power is correct. | 4.5 |
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Supply circuit | Replace defective System Power |
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breaker fails | Supply |
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when reset? |
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Power Interlock | Test switch operation. | Figure |
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Switch. | If defective, replace switch. |
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Projector cover not | Reposition rear cover. | 4.2 |
|
enabling |
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interlock switch. |
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System Power | 4.11 |
| |
Supply shuts |
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down during |
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power up |
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sequence. |
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No Picture |
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Correct channel | Select correct channel input. |
| 4.2 |
selected. |
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Arc Lamp turned | Restart projector. | 3.1 | 4.1 |
off. |
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System power | Restart projector. | 3.1 |
|
turned off. |
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Video source. | Verify video source is turned on, |
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| properly connected. |
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"HIDE" command |
| Table | |
invoked. |
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Color Cutoff. | Turn on R,G, B. Press R, G, B and |
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| CUTOFF. |
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No video or raster | Replace defective CRT or Video | 4.8, 4.9 |
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on only one | Amplifier Board. |
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CRT. |
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Raster present but | Replace Video Amplifier Board or | 4.11 |
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no video image. | Video Processor Board. |
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Model 330, 340SC, and 370SC Service Manual |
