8.TROUBLESHOOTING
■If you think that something has gone wrong with your unit, check out the following points before requesting servicing.
| Problem | Cause |
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| Power does not | Fuse is blown. | Replace with a fuse of the same amperage. If the | ||
| turn on. |
| fuse blows again, consult your store of purchase. | ||
| (No sound is |
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| produced.) | Incorrect wiring. | Consult your store of purchase. | ||
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| Nothing happens | The microprocessor has | Turn off the power, then press the reset button for | ||
| when buttons are | malfunctioned due to noise, | about 2 seconds with a thin rod. | ||
| pressed. | etc. | Note: When the reset button is pressed, turn off the | ||
| Display is not |
| ACC power. | ||
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| accurate. |
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GENERAL |
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| The Reset button | ||
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| ∗ When the reset button is pressed, frequencies of | ||
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| TV, etc. stored in memory are cleared. | ||
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| The remote | Direct rays of the sun fall on | When direct rays of the sun fall on the | ||
| controller does | the | part of the remote controller, it may not work. | ||
| not work. | remote controller. |
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| The batteries of the remote | Check the batteries of the remote controller unit. | ||
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| controller unit are dead or |
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| there is no battery in the |
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| remote controller unit. |
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English
s’Owner manual
TB741P/TB742P/TB743W 17