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 U2 television display assembly connector.
(b) Disconnect the S5 video terminal connector.
(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





(d) Reconnect the television display assembly connector.
(e) Reconnect the video terminal connector.

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

2. INSPECT VIDEO TERMINAL





(a) Using an oscilloscope, check the waveform between each terminal and the body ground according to the conditions, as shown in the table below.

OK: Waveform:





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