Sharp Linytron C-1004G Service Manual page 10

No.
Where to adjust Setting Adjustme nt
4 Chroma (I) (1) Connect pattern generator (1) Set the pattern to "MATRIX".
(PM5508) to the unit, and (2) Adjust T801 to obtain uniform
set antenna input to about brightness — the same - for every
70 dB scanning line.
(2) Contrast: MAX (3) Set the pattern to "DELAY".
Brightness: MIN (4) Adjust R804 to obtain uniform
Color: about 1/2 brightness — the same for every
scanning line.
(5) Set the pattern to "PHASE"
Adjust T802 to have — the same
color shading in both upper and
lower parts of picture.
Figure 11.
5 Picture tube (1) Connect pattern generator (1) Short TP401 and TP402.
(PM5508) to the unit.
(2) Set the pattern to "GRAY
SCALE"
(3) Contrast: MAX
Brightness: MAX
cut-off adjust
9 1404 ce
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TP403
TP401
e
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TP402
TUNER
FBT
Figure 12.
R863 R857
(B-Drive) (G-Drive)
R853 (R-Bias)
R854 (G-Bias)
R865 (B-Bias)
Figure 13.
(2) Short TP403 and TP404.
(3) Set G-drive control (R357) and
B-drive control (R863) to abour "1/2".
(4) Turn R-bias control (R853) G-bias
control R859) and B-bias control
(R865) counterclockwise to their
maximum extent.
(5) Turn screen control (R626), from its
minimum position, slowly clockwise to
make a slight horizontal line come into
existence, and stop it.
(6) Adjust the R853, R859 and R865
separately to make that horizontal
line equally colored for every color.
(R, G and B). However, if the color
appearing at first is, for instance, red
never touch the R853 but only the
R859 and R865 — the same holds true
for the colors green and blue when they
appear at first.
(7) Turn the screen control V.R clockwise
to vanish the horizontal line, and stop.