![background image](http://html1.mh-extra.com/html/xoceco/lc-30k9a-w/lc-30k9a-w_service-manual_4676054025.webp)
2
3
NO SOUND
no
no
no
has
has
no
no
has
no
has
Check whether audio input
of N401 pin1 and 8
Check whether
input waveform of
NA05 pin1 and pin2
Check whether N401 pin2
and pin7 have output
Check the pin2 of N404
output triangle waveform
Check whether the front of
L404,L405,L406,L407outpu
ts waveform (ratio 1:1)
Replace N404
Check whether NA204
have input
Check have signal input
Replace
NA204
Replace
NA05
Replace
N401
has
Summary of Contents for LC-30K9A(W)
Page 1: ...COLOR TELEVISION LC 30K9A W LC 40K9A...
Page 17: ...15 4 JAG ASM...
Page 18: ...16 5 SiI170...
Page 19: ...17 6 LX1722...
Page 20: ...18 WIRING DIAGRAM 1 L30K9A W...
Page 21: ...19 2 L40K9A...
Page 32: ...L30K9A W SCH...
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Page 50: ...L40K9A SCH...
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