VM9114

TROUBLESHOOTING

 

Table 6: Troubleshooting

 

 

 

Problem

Cause

Corrective Action

 

 

 

 

 

 

GENERAL

 

 

Unit will not

Radio Fuse blown

Install new fuse with correct rating

power on

 

 

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

No/low audio

Improper audio output

Check wiring and correct

output

connection

 

 

Volume set too low

Increase volume level

 

 

 

 

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

 

Poor sound

Pirated disc is in use

Use original copy

quality or dis-

 

 

Speaker power rating not

Connect proper speakers

tortion

compatible with unit

 

 

 

 

 

 

 

Speaker is shorted

Check speaker contact

 

 

 

Unit resets

Incorrect connection

Check wiring and correct

itself when

between ACC and posi-

 

engine is off

tive battery wire

 

TFT MONITOR

 

 

Monitor does

TFT Auto Open is turned

Turn TFT Auto Open on

not open auto-

off

 

matically

 

 

No image

Incorrect connection to

Check wiring and correct

 

parking brake wire

 

 

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

 

ference

settings

 

appears on

 

 

Improper video signal

Check wiring and correct

screen

connections

 

 

 

 

34

 

Page 38
Image 38
Jensen VM9114 operating instructions Troubleshooting