UV7i
TROUBLESHOOTING
| Table 13: Troubleshooting | |
|
|
|
Problem | Cause | Corrective Action |
|
|
|
|
|
|
GENERAL |
|
|
|
|
|
Unit will not power on | Radio Fuse blown | Install new fuse with correct rating |
|
|
|
| Car battery fuse blown | Install new fuse with correct rating |
|
|
|
| Illegal operation | Press the RESET button located in the bottom right corner of the front panel |
|
|
|
Remote control does not function | Battery depleted | Replace battery with new one |
|
|
|
| Battery installed incorrectly | Remove battery and install correctly |
|
|
|
No/low audio output | Improper audio output connection | Check wiring and correct |
|
|
|
| Volume set too low | Increase volume level |
|
|
|
| Improper “MUTE” connection | Review wiring diagram and check “MUTE” connection |
|
|
|
| Speakers damaged | Replace speakers |
|
|
|
| Heavily biased volume balance | Adjust the channel balance to the center position |
|
|
|
| Speaker wiring is in contact with metal part of car | Insulate all speaker wiring connections |
|
|
|
Poor sound quality or distortion | Pirated disc is in use | Use original copy |
|
|
|
| Speaker power rating not compatible with unit | Connect proper speakers |
|
|
|
| Speaker is shorted | Check speaker contact |
|
|
|
“MUTE” wire is grounded | Check that “MUTE” connection is not grounded and that it’s properly insulated | |
|
|
|
Unit resets itself when engine is off | Incorrect connection between ACC and positive battery | Check wiring and correct |
| wire |
|
TFT MONITOR |
|
|
|
|
|
Monitor does not open automatically | TFT Auto Open is turned off | Turn TFT Auto Open on |
|
|
|
No image | Incorrect connection to parking brake wire | Check wiring and correct |
|
|
|
| PRK SW is activated and parking brake is not engaged | Stop vehicle in safe place and apply parking brake |
|
|
|
Flashing image or interference appears on screen | DVD is not compatible with current TV system settings | Change setup to accommodate disc |
|
|
|
| Improper video signal connections | Check wiring and correct |
|
|
|
Prolonged image or improper height/width ratio dis- | Improper aspect ratio setup | Use correct aspect ratio setting |
play |
|
|
Monitor stops at incorrect position | Moving path is blocked | Press OPEN key to restart monitor movement |
|
|
|
TUNER |
|
|
|
|
|
Weak station searching | Auto antenna is not fully extended | Connect the auto antenna control cable properly |
|
|
|
| Auto antenna not properly connected | Connect the auto antenna control cable properly |
|
|
|
| LOCAL function is activated | Turn LOCAL function off |
|
|
|
Cannot insert disc | Disc already inside unit | Eject current disc and insert new one |
|
|
|
22