VM9410

TROUBLESHOOTING

 

Table 18: 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

 

 

 

Tel-Mute malfunction

“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 is 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

 

 

 

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Jensen VM9410 owner manual Troubleshooting, Problem Cause Corrective Action