THEORY OF OPERATION
When the ignition switch is in the RUN position, and the radio is in the video mode. The radio sends a video signal to the Video Screen Module, using circuits (X534) video 1 signal , (X535) video 1 common and (X536) video 1 shield, which displays on the video screen.
When the ignition switch is in the RUN position, and the radio is in the video mode. The radio sends an audio signal to the Video Screen Module, using circuits (X539) Channel 1 Audio Left and (X540) Channel 1 Audio Return.
When the ignition switch is in the RUN position, and the radio is in the video mode. The radio sends an audio signal to the Video Screen Module, using circuits (X538) Channel 1 Audio Right and (X540) Channel 1 Audio Return.
When the ignition switch is in the RUN position, and the radio is in the video mode. The radio sends a video signal to the Video Screen Module, using circuits (X541) video 2 signal, (X542) video 2 common and (X543) video 2 shield, which displays on the video screen.
When the ignition switch is in the RUN position, and the radio is in the video mode. The radio sends an audio signal to the Video Screen Module, using circuits (X545) Channel 2 Audio Left and (X546) Channel 2 Audio Return.
When the ignition switch is in the RUN position, and the radio is in the video mode. The radio sends an audio signal to the Video Screen Module, using circuits (X544) Channel 2 Audio Right and (X546) Channel 2 Audio Return.
When the ignition switch is in the RUN position, and the radio is in the video mode. The radio sends an audio signal to the Video Screen Module, using circuits (X551) Channel 3 Audio Left and (X552) Channel 3 Audio Return.
When the ignition switch is in the RUN position, and the radio is in the video mode. The radio sends an audio signal to the Video Screen Module, using circuits (X550) Channel 3 Audio Right and (X552) Channel 3 Audio Return.
See also:
• STANDARD PROCEDURE
• DIAGNOSTIC CODE INDEX