DVD Image Signal Circuit

DVD IMAGE SIGNAL CIRCUIT


Description

The DVD player transmits the playback DVD image signal to the video distributor. The video distributor receives the image signal from the DVD player, and auxiliary input jack, and then transmits it to the front display and rear display.




DVD IMAGE SIGNAL CIRCUIT


Diagnosis Procedure

1.CHECK CONTINUITY DVD IMAGE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect DVD player connector and video distributor connector.
3. Check continuity between DVD player harness connector terminal 20 and video distributor harness connector terminal 23.

20 - 23: Continuity should exist.

4. Check continuity between DVD player harness connector terminal 19 and video distributor harness connector terminal 22.

19 - 22: Continuity should exist.

5. Check continuity between video distributor harness connector terminal 23 and ground.

23 - Ground: Continuity should not exist.

6. Check continuity between video distributor harness connector terminal 22 and ground.

22 - Ground: Continuity should not exist.

Is the inspection result normal?
YES - GO TO 2.
NO - Repair harness or connector.
2.CHECK DVD IMAGE SIGNAL
1. Connect DVD player connector and video distributor connector.
2. Turn ignition switch ON.
3. Check signal between video distributor harness connector terminal 23 and 22.





Is the inspection result normal?
YES - Replace video distributor.
NO - Replace DVD player.