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| VM9114 | |
TROUBLESHOOTING | |||
| Table 6: Troubleshooting | ||
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Problem | Cause | Corrective Action | |
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GENERAL |
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Unit will not | Radio Fuse blown | Install new fuse with correct rating | |
power on |
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Car battery fuse blown | Install new fuse with correct rating | ||
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| Illegal operation | Press the RESET button located in the | |
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| bottom right corner of the front panel | |
No/low audio | Improper audio output | Check wiring and correct | |
output | connection |
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| Volume set too low | Increase volume level | |
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| Improper “MUTE” connec- | Review wiring diagram and check | |
| tion | “MUTE” connection | |
| Speakers damaged | Replace speakers | |
| Heavily biased volume | Adjust the channel balance to the cen- | |
| balance | ter position | |
| Speaker wiring is in con- | Insulate all speaker wiring connections | |
| tact with metal part of car |
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Poor sound | Pirated disc is in use | Use original copy | |
quality or dis- |
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Speaker power rating not | Connect proper speakers | ||
tortion | |||
compatible with unit |
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| Speaker is shorted | Check speaker contact | |
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Unit resets | Incorrect connection | Check wiring and correct | |
itself when | between ACC and posi- |
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engine is off | tive battery wire |
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TFT MONITOR |
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Monitor does | TFT Auto Open is turned | Turn TFT Auto Open on | |
not open auto- | off |
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matically |
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No image | Incorrect connection to | Check wiring and correct | |
| parking brake wire |
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| Parking brake is not | Stop vehicle in safe place and apply | |
| engaged | parking brake | |
Flashing | DVD is not compatible | Change setup to accommodate disc | |
image or inter- | with current TV system |
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ference | settings |
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appears on |
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Improper video signal | Check wiring and correct | ||
screen | |||
connections |
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| 34 |
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