User Guide

RH-4 Company Confidential
BB Description & Troubleshooting CCS Technical Documentation
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Test Headset
with another good
phone, working?
Change
headset
Check L102,
L103,R172,
C170,C166
Check
R102, R109,
and L106
and R103.
Change UEM
Yes
No
Check ACI
signal,does it toggle
low when accessory
is connected?
Yes
No
Check signal
from R162,L103,
It is OK?
No
Yes
Check
connector
X101
Headset Not
working