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LG -SU950 Service Manual page 77

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7. Midi Sound가 나오지 않을 때
START
YES
Speaker의 납땜은
정상인가?
YES
Speaker단 저항이
약 8±1.2Ω 인가?
YES
IC3001의 C5,D5번 Pin 출력은 정상인가?
YES
MSM6550A, U303 주변회로 점검
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
NO
NO
NO
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IC3001
: Audio Sub System
U2000
: QSD8650
Speaker 재납땜
Speaker 교체
IC3001 점검 및 교체
LGE Internal Use Only

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Lg-ku9500