Audio Testing - Nokia 616 Service Manual

TFE-4RV-1
Troubleshooting
AD Channel
BSI
BTEMP
VBAT

Audio Testing

For POS level, prepare the test set up as following:
1 Prepare Service Software
2 Activate Local Mode
3 Open Test menu / Audio Test
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.
Page 6-28
Company Confidential
Local Switch
Normal
XXX
XXX
Figure 8: Basic Audio-Test setup
Figure 9: Audio-Test setup
Copyright © 2005 Nokia Corporation
Company Confidential
Nokia Customer Care
Low
44kR
FLS-4S: 3K FLS-4S: 9K
23°C
4,1V
High
49kR
27°C
4,4V
Issue 2.0 Mar/2005