Jensen JN102 manual Troubleshooting

Negative Switched Dome lighting

To 12 pin	Red / black - Lamp on
connector	Black / red - Lamp common
	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	-Verify that the correct source is selected (i.e.: 1,2,3 or 4). Verify that the
sound	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 instruc-
	tions with modulator kit). Otherwise, verify all connections per the wiring
	diagram on page 6.
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 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 Wiring Diagram) is properly attached to the sen- sor window of the VCP (or other component).

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