LG L15V26 - Circuit Descriptions; 15 Circuit Descriptions (L15 V26)

Directview LCD Training 21 Circuit Descriptions
CIRCUIT DESCRIPTIONS
Scaler
(Format
Converter)
Ballast
(DC to AC
Inverter)
12V
4-Lamp out
(2 lamp assemblies)
7ma each
33V
Tuner
Audio
Processor
Head-
phones
Audio
Amp
AD
Converter
RGB/
YUV
Microcontroller
LVDS
Transmitter
To m o du le
8V
OSD
3.3V
5V
Power
Supply
CIRCUIT DESCRIPTIONS
15”CIRCUIT DESCRIPTIONS (L15V26)
15” POWER SUPPLY
PCB
No Power
Check fuses
Check power
button
Check connector,
check soldering
Good
Bad
Replace
fuse(s)
Blown
Good
If power supply
is external, check
it's voltage.
Good
Order a new
power supply
Bad
Check all
power supply
voltages
Replace module
or repair
damaged
components
Bad
Problem lies
elsewhere.
Good
TROUBLESHOOTING DIAGRAM
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