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LG FH2 Service Manual

LG FH2
49 pages
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3-9
ELECTRICAL TROUBLESHOOTING GUIDE
1. SYSTEM POWER SUPPLY ON SMPS BOARD
YES
YES
YES
YES
YES
YES
No 22 VA
Power line of MAIN PCB is short
Check PWR-CTRL of SMPS Board.
Check Q6 and replace it.
Check D10 and replace it.
Check F1, R6, R8 and replace it.
Check IC8 and replace it.
NO
NO
NO
NO
NO
Is the PWR-CTRL(3.3 V)
supplied to D12?
Is Q6 normal?
Is D10 normal?
Is the AD/DC OUT(10.5 V-14.8 V)
supplied to C45?
Is IC8 normal?

Table of Contents

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LG FH2 Specifications

General IconGeneral
Output Power50W
Battery LifeUp to 15 hours
ConnectivityBluetooth, USB, AUX
Power SourceRechargeable Battery
TypePortable Speaker
FeaturesFM Radio
Impedance4 Ohms

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