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LG OK75 User Manual

LG OK75
87 pages
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3-27
Copyright © 2018 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
3. FLD DISPLAY CHECK
ELECTRICAL TROUBLESHOOTING GUIDE
FLD DISPLAY CHECK
OK
Check DVCC_5V
VH : Q801, Q802, D801~D804.
Check CN804 connection.
Check data
IC501 pin C2, B3, B1.
Check each pin voltage.
FLD light on?
Refer to SMPS/MPEG
troubleshooting.
Check
CN201 pin1, 2: 12 V input
voltage.
Check
if both end voltage
of FL+, FL- are over 1.85 V
VH : over 29 V.
Check CN804
connection and DVCC_3.3V of
VDD(C806+).
Check
IC501 -> VFD801
data communication
STB/ DATA/ CLK.
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES

Table of Contents

Other manuals for LG OK75

Preview: Service Bulletin
Service Bulletin26 pages
Preview: Simple Manual
Simple Manual6 pages

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LG OK75 Specifications

General IconGeneral
Output Power1000W
BluetoothYes
Karaoke CreatorYes
DJ EffectsYes
USB PlaybackYes
Multi JukeboxYes
Party AcceleratorYes
TypeMini Hi-Fi System
Audio PlaybackMP3, WMA
FM RadioYes
CD PlayerYes
BrandLG
ModelOK75
CategoryStereo System
Disc FormatsCD, CD-R, CD-RW
RadioFM
Audio InputsUSB
Speaker Configuration2.0 Channel

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