Fm Ts - LG -D175F Service Manual

3.17 FM TS

Check the ear-jack condition Good?
Check the Signal level at TP1 (C6610)
Check Bias Voltage Good at C6610?
LGE Internal Use Only
START
Yes
Yes
(L6610)
Yes
FM will work properly
No
No
No
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3. TROUBLE SHOOTING
Replace ear-jack
Replace (U5100)
Replace U2100
Only for training and service purposes