Samsung SGH-C100 Service Manual page 8

5.M i cr ophone Par t
* C al l w i t h Si m bef ore t est i ng.
M i croPhone does not w ork
check t he connect i on
check t he vol t age of
C heck t he Audi o l oopback by
board t est progr am .
Yes
f rom M I C500
Yes
C214 ¡ˆ 2. 0V
Yes
EN D
SAMSUNG Proprietary-Contents may change without notice
T hi s Docum ent can not be used w i t hout Sam sung' s aut hori zat i on
SGH-C100 Fl ow Chart of Troubl eshoot i ng
N o
Resol der M I C 500
N o
Check t he pat h around M I C bi as
4-7
ci rcui t