Display Signal Circuit Between Video Terminal and Television Display

AUDIO / VISUAL: REAR SEAT ENTERTAINMENT SYSTEM: Display Signal Circuit between Video Terminal and Television Display

Display Signal Circuit between Video Terminal and Television Display

DESCRIPTION

This is the display signal circuit from the video terminal to the television display.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY - VIDEO TERMINAL)





(a) Disconnect the R27 display connector.
(b) Disconnect the H12 terminal connector.
(c) Measure the resistance of the wire harness side connectors.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
2. CHECK VIDEO TERMINAL





(a) Using an oscilloscope, check the waveform of the video terminal.
OK:
Waveform is as shown in the illustration.






NG -- REPLACE VIDEO TERMINAL
OK -- PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE