Samsung GT-I9500 Service Manual page 42

Gsm telephone

Hide thumbs Also See for GT-I9500:

8-3-5. Microphone Part

Check microphone function

in voice call receiver mode

or in Voice Recording mode

Check the main MIC(in Sub

PBA[GH59-13075A]) is placed

for any damage

Check the offset voltage

at below test

point(40;Main_MIC_P)

Check Sub PBA 'Open/Short'

status between below each two

point(38)&(40)

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.

Yes

> 0.4V

Yes

END

Resolder the main MIC.

Resolder main MIC or replace Sub PBA.

If the voltage level is not fixed, then

you have to change U902.

8-10

Level 3 Repair

replace Sub PBA.