AUDIO AND VISUAL SYSTEM(except 8 Speakers) Data Signal Circuit between Radio Receiver and Stereo Jack Adapter

DESCRIPTION

The No. 1 stereo jack adapter assembly sends the sound data signal or image data signal from a USB device to the radio receiver assembly via this circuit.

WIRING DIAGRAM

A01XO28E02
*a Shielded
*b No. 1 Stereo Jack Adapter Assembly
*c Radio Receiver Assembly
*d Data Signal (USB Communication Line)

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY)


    1. Disconnect the I99 radio receiver assembly connector.

    2. Disconnect the I103 No. 1 stereo jack adapter assembly connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      I99-2 (US1-) - I103-2 (US1-) Always Below 1 Ω
      I99-3 (US1+) - I103-3 (US1+) Always Below 1 Ω
      I99-5 (USG1) - I103-5 (USG1) Always Below 1 Ω
      I99-2 (US1-) or I103-2 (US1-) - Body ground Always 10 kΩ or higher
      I99-3 (US1+) or I103-3 (US1+) - Body ground Always 10 kΩ or higher
      I99-5 (USG1) or I103-5 (USG1) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR