Toshiba 51HX84, Service Manual, Page: 15 / 46

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ADJUSTMENT METHOD PR
OCESS (Adjust single color b
y
shielding jig.
Rough adjust the electr
ical f
ocus
, lens f
ocus and after center
ing
magnets adjustment.)
1.
Set the cancel point f
o
r 2 pole , 4 pole and 6 pole magnets
.
2
. Receiv
e the Dot P
a
tter
n
of signal generator
. (white dot, b
lac
k bac
k
)
3
. Rotate Green f
ocus
VR f
or a lo
w f
ocus
. (counter cloc
kwise)
4
. Adjust 2 pole magnets
, if necessar
y,
so that the dot is in the center of the flare
.
5
. Adjust the Green f
ocus
.
6.
Receiv
e RET
OMA patter
n, and readjust centering magnet.
7
. Repeat 3~6,if necessar
y,
readjust 2 pole magnets
.
P
R
OCESS (Adjust single color b
y
shielding jig.)
1
. Receiv
e the Dot P
a
tter
n
of signal generator
. (white dot, b
lac
k bac
k
)
2
. Rotate Green f
ocus
VR f
or a high f
ocus
. (cloc
kwise)
3
. Adjust the 4 pole magnet, if necessar
y,
to ensure dots are circles not elliptical.
4
. Adjust Green electr
ical f
ocus on Dot Cross patter
n
.
5
. Receiv
e the RET
OMA patter
n, and chec
k the center
ing.
6.
Repeat 2~5,if necessar
y,
readjust 4 pole magnets and center
ing magnet.
7.
Repeat 2 pole and 4 pole adjustment f
or red and b
lue
.
8
. Fix the magnets b
y
adhesiv
e
.
NO
TE) Chec
k and Readjust the 4 pole magnets
, when adjusted the center
ing magnets
.
ITEM 2 POLE MA
GNETS ADJUSTMENT
4 POLE MA
GNETS ADJUSTMENT
DEEP color