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Troubleshooting
7
7.5Troubleshooting for malfunction
7.5.1 No Power
Check Item |
| Remedy |
Has the Power Switch (S1) been | → No | Turn on the Power Switch (S1). |
turned ON? |
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↓Yes |
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Has the Power Cord been securely | →No | Plug in the power cord. |
connected to the machine? |
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↓Yes |
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Has the Power Cord been securely | →No | Plug the power cord into the power |
plugged into the outlet? |
| outlet. |
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↓Yes |
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Is the Fuse (F1) blown? | →Yes | Replace Power Fuse (F1). |
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↓No |
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Is the Interlock Switch (S201) in the | →No | Adjust the position of the Switch (S201). |
actuated position when the Projection |
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Unit is installed? |
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↓Yes |
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Is the Fuse of PU1 blown? | →No | Replace PU1 or S201. |
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| →Yes | Replace Fuse(F1) of PU1. |
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7.5.2The Projection Lamp does not Light Up
Check Item |
| Remedy | |
Check LA1. | → | Replace LA1. | |
| NG |
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↓OK |
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Check TS1. | → | Replace TS1. | |
| NG |
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↓OK |
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Is the voltage across | → | Check wiring. | |
DC17V when the Power ON/OFF switch is | No |
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in the ON position? |
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↓Yes |
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Is the source voltage developing across | → | Check wiring. | |
No |
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OFF switch is in the ON position? |
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↓Yes |
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Is the voltage across | → | Check wiring. | |
GND DC5V when the Power ON/OFF | No |
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switch is in the ON position? |
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→ | Replace | ||
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| Yes | Replace PU2. | |
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