| Last Modified: 11-27-2007 | 1.6 J | |
| Service Category: Audio/Visual/Telematics | Section: Audio/Video | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM000002PMQ009X |
| Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: DESCRIPTION (2008 LX570) | ||
|
Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter |
DESCRIPTION
The stereo jack adapter sends an external device sound signal to the radio receiver through this circuit.
The sound signal that has been sent is amplified by the stereo component amplifier, and then is sent to the speakers.
If there is an open or short in the circuit, sound cannot be heard from the speakers even if there is no malfunction in the stereo component amplifier, radio receiver, or speakers.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
|
1. |
CHECK AUDIO MODELS |
(a) Check the audio model.
Result
|
Result |
Proceed to |
|---|---|
|
for DVD Changer Models |
A |
|
for CD Changer Models |
B |
|
|
2. |
CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - STEREO JACK ADAPTER) |
|
(a) Disconnect the F26 receiver connector. |
(b) Disconnect the V2 adapter connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
V2-4 (AUXO) - F26-6 (AUXI) |
Always |
Below 1 Ω |
|
V2-3 (ASGN) - F26-5 (ASGN) |
||
|
V2-2 (ARO) - F26-2 (ARI) |
||
|
V2-1 (ALO) - F26-3 (ALI) |
||
|
V2-5 (AGND) - F26-4 (AGND) |
||
|
V2-4 (AUXO) - Body ground |
Always |
10 kΩ or higher |
|
V2-3 (ASGN) - Body ground |
||
|
V2-2 (ARO) - Body ground |
||
|
V2-1 (ALO) - Body ground |
||
|
V2-5 (AGND) - Body ground |
|
|
3. |
CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - STEREO JACK ADAPTER) |
|
(a) Disconnect the F23 receiver connector. |
(b) Disconnect the V2 adapter connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
F23-17 (ALI) - V2-1 (ALO) |
Always |
Below 1 Ω |
|
F23-15 (ARI) - V2-2 (ARO) |
||
|
F23-16 (ASGN) - V2-3 (ASGN) |
||
|
F23-19 (AUXI) - V2-4 (AUXO) |
||
|
F23-18 (AGND) - V2-5 (AGND) |
||
|
F23-17 (ALI) - Body ground |
Always |
10 kΩ or higher |
|
F23-15 (ARI) - Body ground |
||
|
F23-16 (ASGN) - Body ground |
||
|
F23-19 (AUXI) - Body ground |
||
|
F23-18 (AGND) - Body ground |
|
|
|