Nokia 301 - Table 3 All Test Items for Audio

The below test item in PST is relate to audio:
Table 3 All test items for audio
Test No. Test items Debug what? What to do If test fail
1 Vibra test vibrator Check whether drive
signal Vrms=1.8~1.9V,
if not, change vibrator
2 Tone generator * Speaker earpiece/speaker Go to related chart
IHF
3 Microphone Internal internal mic /external
mic
Do test3 to verify if it is
earpiece problem, if
not, go to internal mic
chart
external
4 Selftest->ST_HOOKINT_TEST Headset hookkey Feedback to engine
team do further check
* IHF = integrated hand free speaker; speaker=hand portable receiver (earpiece).
Step 2 , if step1 test fail, pls refer below trouble shoot charts.
RM-839; RM-840; RM-841
BB Troubleshooting and Manual Tuning Guide
Page 3 – 32 NOKIA INTERNAL USE ONLY Issue 1
Copyright © 2013 Nokia. All rights reserved.