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LG Manuals
DVR
V9120W
Service manual
LG V9120W Service Manual page 21
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
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2. SERVO CIRCUIT
(4) KEY doesn't working
KEY doesn't working.
Is 5V applied to the IC501
Pin36?
YES
Does LED or change
when a function button is
pressed?
NO
Refer to "SMPS 5.3VA
Trouble Shooting".
NO
Replace the defective
switches.
3-10
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Chapters
Section 1 Summary
3
Section 3 Electrical
12
Section 5 Mechanism of DVD Part (Dp-9C Mtk Model)
109
Table of Contents
Troubleshooting
ELECTRICAL TROUBLESHOOTING GUIDE
15
DVD PART
49
troubleshooting guide
77
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