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Level 3 Repair
8-22
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8-3-9. Earphone Part
Check earphone function.
Play MP3 with maximum volume level.
Yes
Resolder or change the component L414,R431,R434,
R430,R433,U406
No
MP3 play in earphone mode
Yes
Check the earjeck_rcv_FPCB
connector
HEA400 connect
No
Connect earjack_rcv_FPCB to HEA400
Yes
Check component soldering
status at L412,L413
No
Resolder components
Yes
No
Resolder R439 or change the component U404
Check the Voltage at
R439 = 2.8V
Yes
Resolder components
Check component soldering
status at
C432,R414,R415,R408,R412
No
Yes
No
Resolder components
C412,C413,C405,C406,C408,C409,C416,C414,
C415,R410,R411
Check the Voltage at
C406 =1.8V, C409 = 4V
Yes
Resolve or change
earjeck_rcv_FPCB
Yes
END
Summary of Contents for GT-I5800
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