- 82 -
z
Speaker Part
z
Receiver Part
Receiver Trouble Shooting Setup
z
Initialize GSM MS test equipment.
z
Connect PIF-UNION and power on.
z
Make a test call to 112.
z
Set audio part at test equipment as PRBS or continuous wave, not echo.
z
Set the audio volume max.
Trouble shooting Procedure
z
Check the audio signal levels at each point.
z
Check the soldering of the connector.
z
Check the soldering of the receiver.
z
Check the receiver.
z
Check receiver cable states.
Speaker Trouble Shooting Setup
z
Connect PIF to the phone, and power on.
z
Enter the engineering mode, and go to menu
“Baseband -> Alert -> Ring”
Trouble Shooting Procedure
z
Check the voltage levels of power supplies.
z
Check all sound path.
z
Check the sound level to the speaker.
z
Check the speaker and the soldering.
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Main 60 Pin
connentor
FPCB 60 Pin
connentor
U200
SPK_AMP
LCD Connector
SPK/RCV
U201
ANA_SW IC
U201
ANA_SW IC
Z3X-BOX.COM
Summary of Contents for SHINE CE110
Page 147: ...Note Z 3 X B O X C O M ...
Page 148: ...Note Z 3 X B O X C O M ...