SAMSUNG Proprietary-Contents may change without notice
Level 3 Repair
8-22
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8-3-8. Ear Speaker Part
Does not work Voice call ?
Does not work Ringtone?
(Menu->Settings->Sound
profiles->Edit->
select the Call ringtone)
Resolder or Replace C509,C510,C512,
C516,C518,R514,R515,R516,C521,ZD500,L50
2,L503,C503,C504,R503,R504
(be possible of soldering not well or being
UCP, U501 are bad samples)
No
Yes
No
Replace UCP200 using a Heatgun
(be possible of being UCP a bad sample)
Yes
Is Ear Speaker working?
(Listening through the
Ear speaker)
Change Headset
(be possible of Ear SPK Problems)
No
Yes
END
Ear Speaker does not work
Yes
C509 = 1.8V
at Ear Speaker active?
No
Replace U501 using a Heatgun
(be possible of being U501 a bad sample)
Yes
Содержание GT-C3750
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