Display Signal Circuit Between Television Display Assembly and Navigation Receiver Assembly

AUDIO / VISUAL: REAR SEAT ENTERTAINMENT SYSTEM: Display Signal Circuit between Television Display Assembly and Navigation Receiver Assembly

Display Signal Circuit between Television Display Assembly and Navigation Receiver Assembly

DESCRIPTION

This circuit sends a display signal from the television display to the navigation receiver.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY - NAVIGATION RECEIVER)





(a) Disconnect the W2 display connector.
(b) Disconnect the K5 receiver connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
2. CHECK TELEVISION DISPLAY (NTSO SIGNAL)





(a) Reconnect the W2 display connector.
(b) Check that waveform of the display using an oscilloscope.
OK:
Waveform is as shown in the illustration.





NG -- REPLACE TELEVISION DISPLAY
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE