Nokia 616 Service Manual page 125

Nokia Customer Care
In a second step, activate the loop to send the HD-Mic (handset in) signal to the HD-
Speaker (handset out). When the headset is connected, blowing into the handset micro-
phone shall be hearable in the handset speaker.
By deactivating the loop no signal should go through.
For RCC level, prepare the test set up as following:
TFE-4
Radio Unit
SIM
Remote Control
1 Prepare Service Software
2 Activate Local Mode
3 Open Test menu / Audio Test
Issue 2.0 Mar/2005
Company Confidential
Figure 10: Extended Audio-Test setup
Radio
Communication
T (RCT)
CA-29RS
Cable
Antenna
Display
AD-2
DC
Power Adapter
ker
Spea
MIC
CA-16UT
Cable
Copyright © 2005 Nokia Corporation
Company Confidential
Power Supply
ACF-8
FPS-8
CA-1S
Cable
Power Supply
ACW-4 or
adjustable power
supply ~13,5V
Signal
Generator
TFE-4/RV-1
Troubleshooting
PC with Phoenix –
Service SW
Page 6-29