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Picture NG.
Is a picture displayed
in PLAY mode.
YES
Is there color
noise failure?
YES
NO
Is CL unit, HP220,
Check soldering
HP230 soldered?
YES
YES
Replace D unit.
Is there any color noise?
NO
NO
Is there any color noise?
YES
Replace CL unit.
Finished
No picture
(Go to page 48)
NO
NO
Is the display reversed?
YES
NO
Is all R, G, B outputted?
Is VR320 broken.
YES
Check CN700 and LCD,
Replace VR320
Readjust V-COM
NO
Is the reverse
display fixed.
YES
Replace display unit.
Finished
Is BL failure?
NO
(flickering display)
Is there no color?
(partially lighted)
YES
YES
NO
Is there BL
lighting failure?
YES
YES
Check connector soldering and
insetion between CN300 and
CN578. Check shortage
on R, G, B line on D unit.
Check CN900 and CN901
FPC insertion and
insertion and soldering.
FPC damages.
NO
Is the color fixed?
Is the BL fixed?
YES
YES
Replace display unit
or D unit.
Finished
Finished
— 50 —
NO
NO
Check CN700 and LCD,
FPC insertion and
FPC damages.
NO
NO
Is it fixed?
Replace display unit
Replace display unit.
or D unit.
Finished
YES
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