LG 21FS2ALX User Manual

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CHECK B+
At D829 cathode
Is the voltage at
each pin volage of IC11
Check
Fuse of AC line
OK
Check the
In/ out of
regulator
(IC821, IC822
IC823, IC824
IC825)
Check pin 60
Of IC11(H Out)
Check Q401
Collector waveform
Check Q402
Collector waveform
Check T401
& each pin voltage
Check & Replace
T402
Check the Voltage
Of C803
Check the Voltage
Pin 4 OF IC801
Check / Replace
IC801, IC802, IC826
Check Fuse and Diode of secondary
Load of SMPS trans(T803)
Check / Replace
IC11
Check &
Replace
IC11
Check &
Replace
Q402
Check &
Replace
T401
Check &
Replace
Q401
Check / Replace
Fuse
Check / Replace
DB801
Check / Replace
Fuse IC801
NO
OK
OK
OK
NO
Open
NO
18~20V
Normal
Yes
Yes
Yes
Yes
NO
NO
NO
NO
Abnormal
No Raster (2/ 2)
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LG 21FS2ALX Specifications

General

Brand	LG
Model	21FS2ALX
Category	TV
Language	English