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LGE Internal Use Only
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
14. External Speaker
Check AMP IC(IC3500) Power 24V
L3500
Replace L3500
Check Mstar External AUDIO output
C3501, C3502
Replace M1A(IC101) or Main Board.
Check AMP IC(IC3800) Mute High
R3803, 4pin
Check signal line. Replace M1A(IC101)
or Main Board
Check Output Signal JK3500
4,5 pin.
Replace Phone Jack(JK3500)
Check AMP IC(IC3500) Output
L3501, L3502
replace AMP IC(IC3500)
Check JK3800
Check External Speaker
Replace Phone Jack
if found to be damaged.
Replace External speaker.
NG
NG
NG
NG
NG
NG
NG
OK
OK
OK
OK
OK
OK
Содержание 65UX340C Series
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