| Last Modified: 11-27-2007 | 1.6 J | |
| Service Category: Audio/Visual/Telematics | Section: Audio/Video | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM000002IQ000BX |
| Title: AUDIO / VIDEO: REAR SEAT ENTERTAINMENT SYSTEM: DESCRIPTION (2008 LX570) | ||
|
Sound Signal Circuit between Multi-display Controller and Head-phone Terminal |
DESCRIPTION
This is the sound signal circuit from the multi-display selector to the headphone terminal.
HINT:
"Multi-display Controller" refers to the multi-display selector.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
|
1. |
CHECK REMOTE CONTROL ADAPTER ASSEMBLY |
|
(a) Disconnect the P1 adapter connector. |
(b) Using an oscilloscope, check the signal waveform between each terminal and the body ground according to the conditions shown in the chart below.
OK:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
P1-1 (HP2R) - Body ground |
Audio sound is being produced |
A waveform synchronized with sound is output |
|
P1-2 (HP2L) - Body ground |
||
|
P1-9 (HP1R) - Body ground |
||
|
P1-10 (HP1L) - Body ground |
|
|
2. |
CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY SELECTOR - REMOTE CONTROL ADAPTER) |
|
(a) Disconnect the L22 selector connector. |
(b) Disconnect the P1 adapter connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
L22-16 (HP2R) - P1-1 (HP2R) |
Always |
Below 1 Ω |
|
L22-17 (HP2L) - P1-2 (HP2L) |
||
|
L22-18 (SG2) - P1-3 (SGN2) |
||
|
L22-13 (HP1R) - P1-9 (HP1R) |
||
|
L22-14 (HP1L) - P1-10 (HP1L) |
||
|
L22-15 (SG1) - P1-11 (SGN1) |
||
|
P1-1 (HP2R) - Body ground |
Always |
10 kΩ or higher |
|
P1-2 (HP2L) - Body ground |
||
|
P1-9 (HP1R) - Body ground |
||
|
P1-10 (HP1L) - Body ground |
|
|
|