Mid Audio

RGB SYNCHRONIZING SIGNAL CIRCUIT

Description

Transmit the RGB synchronizing signal to the display unit so as to synchronize the RGB image displayed with
AV control unit.


Diagnosis Procedure

Regarding Wiring Diagram information, Mid Audio System.

1. CHECK CONTINUITY RGB SYNCHRONIZING SIGNAL CIRCUIT






1.Turn ignition switch OFF.
2.Disconnect display unit connector M93 and AV control unit connector M133.
3.Check continuity between display unit harness connector M93
(A) terminal 19 and AV control unit harness connector M133 (B)
terminal 41.





4.Check continuity between display unit harness connector M93
(A) terminal 19 and ground.





Are continuity results as specified?
YES- GO TO 2
NO- Repair harness or connector.

2. CHECK RGB SYNCHRONIZING SIGNAL






1.Connect display unit connector M93 and AV control unit connector M133.
2.Turn ignition switch ON.
3.Check signal between display unit harness connector M93 terminal 19 and ground.





Are voltage readings as specified?
YES- Replace display unit. Mid Audio.
NO- Replace AV control unit. Mid Audio.