TFE-4RV-1 Company Confidential
Troubleshooting Nokia Customer Care
Page 6-28 Copyright © 2005 Nokia Corporation Issue 2.0 Mar/2005
Company Confidential
Audio Testing
For POS level, prepare the test set up as following:
Figure 8: Basic Audio-Test setup
1 Prepare Service Software
2 Activate Local Mode
3 Open Test menu / Audio Test
Figure 9: Audio-Test setup
Perform the Test:
Activate the loop to send the HF-Mic (hands free in) signal to the HF-Speaker (hands free
out). When the HF-Mic is connected, blowing into the HF-Microphone shall be hearable
in the HF-Speaker.
AD Channel Local Switch Low High
BSI Normal 44kR
FLS-4S: 3K
49kR
FLS-4S: 9K
BTEMP XXX 23°C 27°C
VBAT XXX 4,1V 4,4V