Audiovox VOH704, VOH684, VOH683 Troubleshooting, Negative Switched Dome lighting, Symptomremedy

Models: VOH704

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Negative Switched Dome lighting

Negative Switched Dome lighting

To 12 pin

 

Red / black - Lamp on

 

 

 

Black / red - Lamp common

 

 

connector

 

 

 

 

Purple / brown - Lamp Auto

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

To

constant

Factory Dome light circuit

To

constant

Factory Door ajar switch or Body

Troubleshooting:

SYMPTOM:REMEDY:

No power at Video Monitor -Verify +12 VDC on Red wire at 2 pin Power Harness behind video monitor. Verify ground connection with continuity test from known good ground to black wire at 2 pin Power Harness

Power but no video or sound

Picture, but no sound

-Verify that the correct source is selected (i.e.: 1,2,3 or 4). Verify that the source is on and playing a known good media (such as a videotape). Verify connections at both ends of the source component harness.

-Push and hold the volume up button until sound is heard over headphones. If problem is limited to the dash radio, verify radio is tuned to the correct channel, and that power to the wired RF modulator is on. (Refer to instruc- tions with modulator kit). Otherwise, verify all connections per the wiring diagram on pages 5, 6 and 7.

Static on TV Stations

-Press Auto Program button. Then press CH up or CH down. Verify an-

(Tuner Version Only)

tenna mounting and connections to the tuner.

 

Note: Due to the nature of TV signals, vehicle motion, direction the vehicle

 

is facing, distance from the transmitter, nearby surroundings and weather

 

may adversely affect TV reception. These conditions may result in the

 

following: picture roll, "snowy" picture, or momentary loss of color.

No FM Radio Stations

-Check and verify FM radio antenna mounting and connection. Verify that

 

the FM radio power is on and the front LCD display window is lit. Verify the

 

headphone set insert into the to jack.

No Infrared remote func- tions for VCP (or other com- ponents)

-Check batteries in the hand held remote (not included with this kit). Verify that the IR LED ( page 6 or page 7 Wiring Diagram) is property attached to the sensor window of the VCP (or other component).

© Copyright 2001 Audiovox Electronics Corp. 150 Marcus Blvd. Hauppauge, NY 11788

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Audiovox VOH704 Troubleshooting, Negative Switched Dome lighting, Symptomremedy, Static on TV Stations, Tuner Version Only