Display Signal Circuit between Television Display Assembly and Navigation Receiver Assembly

AUDIO / VIDEO: 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 assembly to the navigation receiver assembly.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

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

(a) Disconnect the U2 television display assembly connector.





(b) Disconnect the I35 navigation receiver assembly 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 ASSEMBLY (NTSC SIGNAL)

(a) Using an oscilloscope, check the waveform.





Measurement Condition





OK:

Waveform is as shown in the illustration.

NG -- REPLACE TELEVISION DISPLAY ASSEMBLY Removal

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table