aiko NP-42H5, Service Manual

Page: 64 / 94

(2) Stair 10-Steps
-
Check the left/right black/white patterns for saturation (Brightness, Contrast test)
- Should be saturated less than Step 2 black and less than step 2 white to the left and to the right.
- Check if any unnecessary chrominance signals other than black and white enter the picture.
- No distortion or noise on the screen
< Stair 10-Steps(pal,ntsc)>
(3) Color Bar
-
Check each color bar for the boundary nesting.
- Check each color bar for color difference.
- Check the screen for any distortion or noise.
Wh
ite
Y
ell
ow
C
yan
Gr
een
M
age
nta
Re
d
Gr
een
Bl
ack
Wh
ite
Y
ell
ow
C
yan
Gr
een
M
age
nta
Re
d
b
lue
<PAL, PAL-M, PAL-N> <NTSC,NTSC-4.43MHz>
<Full Color Bar>