Troubleshooting - Audiovox VOD705 Installation Manual

Negative Switched Dome lighting
Factory Dome light circuit

Troubleshooting:

SYMPTOM:
No power at Video Monitor
Power but no video or
sound
Picture, but no sound
No Infrared remote func-
tions for VCP (or other com-
ponents)
Red / black - Lamp on
To 12 pin
Black / red - Lamp common
connector
Purple / brown - Lamp Auto
on Monitor
Factory Door ajar
switch or Body
Control computer
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
-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 DVD or video-
tape). Verify connections at both ends of the source component harness.
-Push and hold the volume up button (
is heard over wired headphones. If problem is limited to the dash radio,
verify radio is tuned to the correct frequency, and that power to the wired
RF modulator is on. Otherwise, verify all connections per the wiring dia-
gram on page 6 .
-Check batteries in the hand held remote. Verify that the IR LED ( page 6
Wiring Diagram) is properly attached to the sensor window of the VCP (or
other component).
To
constant
+12vdc
constant
+12vdc
)
-8-
To
on the remote control until sound