Display Signal Circuit between Video Terminal and Television Display

AUDIO / VIDEO: 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 assembly.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

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




(a) Disconnect the television display assembly connector.
(b) Disconnect the video terminal connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

2. INSPECT VIDEO TERMINAL
(a) Reconnect the video terminal connector.




(b) Using an oscilloscope, check the waveform of the video terminal.





OK:
Waveform is as shown in the illustration.

Text in Illustration






NG -- REPLACE VIDEO TERMINAL
OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE