Sound Signal Circuit between Video Terminal and Television Display

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

Sound Signal Circuit between Video Terminal and Television Display

DESCRIPTION

This is the sound 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 signal waveform between each terminal and body ground according to the conditions shown in the table below.
Standard Conditions:





Text in Illustration





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