Symptom 11
Formula download failure
Check PC link block, whether it has any component broken, short-circuit, foreign
body or dusts inside.
Replace the bad component.
Symptom 12
Abnormal Earphone
Check Headset block, whether it has any component broken, short-circuit, foreign
body or dusts inside.
Replace the bad component.
Symptom 13
LCM backlight abnormal
Check the backlight circuit, whether the surrounding component are normal or not.
Replace the bad component.
Symptom 14
Keypad backlight abnormal
Check backlight LED, whether its surrounding components are normal or not.
Replace the bad component.
Symptom 15
Display antenna squres abnormal
Check whether the antenna splinter is actually the effective connected with PCB
or PAD dusts.
Check the Antenna matching block, whether it has any component broken, short-
circuit, foreign body or dusts inside.
Replace the bad component.
