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