The Other Caller cannot Hear Your Voice, or Your Voice is too Quiet or Distorted

AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: The Other Caller cannot Hear Your Voice, or Your Voice is too Quiet or Distorted

The Other Caller cannot Hear Your Voice, or Your Voice is too Quiet or Distorted

INSPECTION PROCEDURE

PROCEDURE

1. CHECK CELLULAR PHONE
(a) Check if the other side can hear your voice properly.
OK:
Your voice can be heard correctly.
NG -- REPLACE CELLULAR PHONE
OK -- Continue to next step.
2. CHECK SETTINGS





(a) Check if the mute switch is on.
OK:
Mute switch is not on.
NG -- TURN MUTE SWITCH OFF
OK -- Continue to next step.
3. CHECK SETTINGS





(a) Enter the "Handsfree Voice Quality Set" mode Operation Check.
(b) Check if the Send Voice Level is set to "0".
HINT:
The Send Voice Level can be set to 11 different levels, -5 to +5, with a 3 dB difference.
(c) Check if the Send Voice Level is set to the minimum or maximum level.
HINT:
When the Send Voice Level is set to the minimum or maximum level, the sound may be distorted.

OK:
The Send Voice Level is set to "0".
NG -- SET SEND VOICE LEVEL TO "0"
OK -- Continue to next step.
4. CHECK MICROPHONE (NAVIGATION CHECK MODE)





(a) Enter the "Mic & Voice Recognition Check" mode Description and Operation.
(b) When a voice is input into the microphone, check that the microphone input level meter changes according to the input voice.
(c) Push the recording switch and perform voice recording.
HINT:
The recording limit is 5 seconds.
(d) Check that the recording indicator remains on while recording and that the recorded voice is played normally without noise or distortion.
OK:
All check results are normal.

Result





C -- GO TO "MICROPHONE CIRCUIT BETWEEN OVERHEAD J/B AND MULTI-DISPLAY"
B -- REPLACE MULTI-DISPLAY ASSEMBLY
A -- REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY