Toyota Sienna Service Manual: Display Signal Circuit between Video Terminal and Television Display

DESCRIPTION

This is the display signal circuit from the video terminal to the television display assembly.

WIRING DIAGRAM

INSPECTION PROCEDURE

1 CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - VIDEO TERMINAL)

1. Disconnect the connectors from the video terminal and television display assembly.
2.  Measure the resistance according to the value(s) in the table below.

Standard resistance

2 INSPECT VIDEO TERMINAL

1. Reconnect the video (video adapter) terminal connector.
2.  Measure the waveform according to the table below.

OK

HINT: The waveform pattern may differ from that shown in the illustration below due to differences in oscilloscope setting. A normal video terminal operating condition can be determined if any waveform is output.

3. Oscilloscope waveform

1.  Terminal: NTSC - Body ground
   Setting: 200mV/DIV, 10 μs/DIV
   Condition: DVD display is ON.

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE