Rear Seat Entertainment System Display Signal Circuit Between Video Terminal And Television Display
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - VIDEO [VIDEO ADAPTER] TERMINAL)
CHECK VIDEO (VIDEO ADAPTER) TERMINAL
REAR SEAT ENTERTAINMENT SYSTEM - Display Signal Circuit between Video Terminal and Television Display |
DESCRIPTION
This is the display signal from the video (video adapter) terminal to the television display assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1.CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - VIDEO [VIDEO ADAPTER] TERMINAL) |
Disconnect the W14 television display assembly connector.
Disconnect the T1 video (video adapter) terminal connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
W14-18 (ADPI) - T1-8 (ADPG)
| Always
| Below 1 Ω
|
W14-24 (VD+) - T1-5 (VV+)
| Always
| Below 1 Ω
|
W14-25 (VG) - T1-6 (VV-)
| Always
| Below 1 Ω
|
W14-23 (SGN5) - Body ground
| Always
| 10 kΩ or higher
|
W14-18 (ADPI) - Body ground
| Always
| 10 kΩ or higher
|
W14-24 (VD+) - Body ground
| Always
| 10 kΩ or higher
|
W14-25 (VG) - Body ground
| Always
| 10 kΩ or higher
|
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
2.CHECK VIDEO (VIDEO ADAPTER) TERMINAL |
Remove the video (video adapter) terminal connector still connected (LandCruiser RM000003AWF04OX.html).
Using an oscilloscope, check the waveform.
Measurement ConditionItem
| Content
|
Terminal No. (Symbol)
| T1-5 (VV+) - Body ground
|
Tool Setting
| 0.2 V/DIV., 0.2 μs./DIV.
|
Condition
| External device playing, VTR displayed
|
- OK:
- Waveform is as shown in the illustration.
Text in Illustration*a
| Component with harness connected (Video [Video Adapter] Terminal)
|