LG KM710 Service Manual - Page 82
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4. Trouble Shooting 2 Check the soldering of NO R602, R604, C620, C624,C625,L600-601 Soldering is OK? YES Play the Ring tone. NO Check the C615(SPKPA),C617(SPKNA) The signal is a Analog Re-solder R602, R604, C620, C624,C625,L600- 601 U104(DBB) is broken. Change the board. Check the Speaker contact PAD of the FPCB Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 83 - LGE Internal Use Only
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- 83 -
4. Trouble Shooting
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc.
All right reserved.
Only for training and service purposes
NO
Play the Ring tone.
Check the C615(SPKPA),C617(SPKNA)
The signal is a Analo
g
YE
S
Check the soldering of
R602, R604, C620, C624,C625,L600-601
Soldering is OK
?
2
N
O
U104(DBB) is broken.
Change the board.
Check the Speaker contact
PAD of the FPCB
Re-solder R602, R604,
C620, C624,C625,L600-
601