LG 32LX330C Service Manual page 26
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Also See for 32LX330C:
- Owner's manual (38 pages) ,
- Easy setup manual (65 pages) ,
- Owner's manual (65 pages)
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12. External Speaker Out
Check AMP IC(IC3400) Power 24V
L3400
OK
Check Mstar External AUDIO output
C3401, C3402
OK
Check AMP IC(IC3400) Mute High
R3403, 4pin
OK
Check AMP IC(IC3400) Output
L3401, L3402
OK
Check Output Signal JK3400
4,5 pin.
OK
Check JK3400
OK
Check External Speaker
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Only for training and service purposes
NO
NO
Replace LGE2134(IC101) or Main Board.
NO
Check signal line. Or replace LGE2134(IC101)
NO
NO
Replace Phone Jack(JK3400)
NO
NO
Replace External speaker.
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Replace L3400
replace AMP IC(IC3400)
Replace Phone Jack
if found to be damaged.
LGE Internal Use Only
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