| Last Modified: 11-29-2007 | 1.6 J | |
| Service Category: Audio/Visual/Telematics | Section: Audio/Video | |
| Model Year: 2008 | Model: Sequoia | Doc ID: RM0000033VT003X |
| Title: AUDIO / VIDEO: REAR SEAT ENTERTAINMENT SYSTEM: DESCRIPTION (2008 Sequoia) | ||
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Sound Signal Circuit between Video Terminal and Television Display |
DESCRIPTION
This is the sound signal circuit from the video terminal to the television display assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
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1. |
CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - VIDEO TERMINAL) |
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(a) Disconnect the U2 television display assembly connector. |
(b) Disconnect the S5 video terminal connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
U2-24 (ADPG) - S5-8 (ADPG) |
Always |
Below 1 Ω |
|
U2-7 (R1+) - S5-2 (VAL+) |
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U2-8 (L1+) - S5-1 (VAR+) |
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U2-23 (SGND) - S5-3 (VA-) |
||
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U2-24 (ADPG) - Body ground |
Always |
10 kΩ or higher |
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U2-7 (R1+) - Body ground |
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U2-8 (L1+) - Body ground |
||
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U2-23 (SGND) - Body ground |
(d) Reconnect the television display assembly connector.
(e) Reconnect the video terminal connector.
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2. |
INSPECT VIDEO TERMINAL |
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(a) Using an oscilloscope, check the waveform between each terminal and the body ground according to the conditions, as shown in the table below. OK: Waveform:
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