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CIRCUIT DESCRIPTIONS
15" VIDEO
FLOWCHART
PCB
TROUBLESHOOTING DIAGRAM
Directview LCD Training
(Format Converter)
Micro
Digital
Switch
ATSC
Video In
Video Problem
(no video, dark,
Video from a
and/or
distorted, etc.)
PC is blurry
No
Video is
present but screen is
dark, flickering, or
doesn't light up
No
Check solder of
JA202 and IC202
Yes
Color beat noise
or shield case
being touched
No
No video
Yes
No
Contact techincal
support for more
assistance
LCD Driver
Scaler
Analog
Switch
Analog/
Digital
Converter
Composite
NTSC
Video In
Set the PCs video to
1024x768@60Hz and
Adjust phase in the
change monitor driver
and/or
TV's user menu for
to Digital Flat Panel
PC input
(1024x768)
Check lamps and
Defective lamp(s)
Yes
connectors for signs
or inverter
of being burnt out.
No
Replace inverter
Cracked
Replace
components or bad
Yes
components or fix
solder near tuner
bad solder joints
No
Check LCD
module
connectors and
main board
voltages
22
On the PC, activate
ClearType or activate
and/or
smooth edges of
screen fonts.
Replace defective
Yes
lamp(s)
Circuit Descriptions
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Table of Contents
Troubleshooting
