Audiovox VOH682A Installation Guide - Page 11
Troubleshooting - radio channel
UPC - 044476742057
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Negative Switched Dome lighting To 12 pin connector on Monitor Red / black - Lamp on Black / red - Lamp common Purple / brown - Lamp Auto To constant +12vdc Factory Dome light circuit Factory Door ajar switch or Body Control computer To constant +12vdc Troubleshooting: Symptom: No power at Video Monitor Remedy: -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 -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. Picture, but no sound -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 instructions with modulator kit). Otherwise, verify all connections per the wiring diagram on p5 and p6. Static on TV Stations (Tuner Version Only) -Press Auto Program button. Then press CH up or CH down. Verify antenna 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 Infrared remote functions for VCP (or other components) -Check batteries in the hand held remote (not included with this kit). Verify that the IR LED ( p6 or p7 Wiring Diagram) is property attached to the sensor window of the VCP (or other component). -9-