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LG SJ2 Service Manual

LG SJ2
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4-2
ELECTRICAL TROUBLESHOOTING GUIDE
1. SMPS POWER CIRCUIT
YES
YES
YES
YES
YES
YES
No 24.7 V
Check IC901, IC902 network, the device
a short circuit will cause no output.
Replace F900 (same fuse).
Replace BD900.
Replace IC901, IC902.
Replace NTC900.
Check or replace IC900.
NO
NO
NO
NO
NO
F900 normal?
BD900 normal?
IC901, IC902 normal?
NTC900 normal?
Is the Vcc (12 V~16 V)
supplied to IC900 pin6?

Table of Contents

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Owner's Manual29 pages
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LG SJ2 Specifications

General IconGeneral
StyleWireless Soundbar
ColorBlack
Channels2.1
Total Power160 W
Speaker Units-
Internal Memory-
Radio Tuner-
Wireless ConnectivityBluetooth
Interface ConnectorsOptical Input 1 ea
Sound ModesSports
Max Sound Pressure Level (SPL)-
Signal to Noise Ratio-
Frequency Response-
FeaturesCrystal Amplifier Pro
Audio Processing-
Water / Dust resistance-
Power Supply~ 50/60Hz
Power Consumption-
Battery Life-
Battery Capacity-
Weight and Dimensions IconWeight and Dimensions
Depth3.9 in
Height2.2 in
Width25.9 in
Net Weight3.75 lbs

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