Mute Signal Circuit Between Navigation Receiver Assembly and Television Display Assembly

AUDIO / VISUAL: REAR SEAT ENTERTAINMENT SYSTEM: Mute Signal Circuit between Navigation Receiver Assembly and Television Display Assembly

Mute Signal Circuit between Navigation Receiver Assembly and Television Display Assembly

DESCRIPTION

The navigation receiver controls the volume according to the mute signal the television display.
The mute signal is sent to reduce noise and popping sound generated switching the mode, etc.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

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





(a) Disconnect the W2 display connector.
(b) Disconnect the K8 receiver 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





(a) Reconnect the W2 display connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard voltage:





NG -- REPLACE TELEVISION DISPLAY
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE