Sharp 29A-SX1, Руководство по обслуживанию

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16
29A-SX1
29A-SX5
29A-SX8
SX-68JF200
16
CONVERGENCE ADJUSTING METHOD
NO
.
Adjustment par
t
Adjusting procedure and conditions
W
a
v
e
fo
rm
and others
Con
v
ergence
adjustment (Apply this after pur
ity adjust-
ment.)
1
Receiv
e E-2CH (Crosshatch patter
n).
2
With the remote controller
, mak
e it nor
mal.
Apply this after f
ocus adjustment.
(Static con
v
ergence adjustment)
1
Ov
erlap b
lue and red with the open-/closing
angle and rotation of the 4-pole magnet.
2
Ov
er
lap green on b
lue and red with the open-/
closing angle and rotation of the 6-pole mag- net.
(Dynamic con
v
ergence adjustment)
1
Adjust the con
v
ergence of the per
ipher
al area
of the screen in the f
ollo
wing procedure
.
a)
Put the w
edge in Fig.-1:
“a”
to s
wing the
deflecting coil upw
ard f
or alignment.
b)
Put the w
edge in Fig.-2:
“b”
and
“c”
to s
wing
the deflecting coil do
wnw
ard f
or alignment.
c)
Deeply put the w
edge in Fig.-3:
“c”
to s
wing
the deflecting coil r
ightw
ard f
or alignment.
d)
Deeply put the w
edge in Fig.-4:
“d”
to s
wing
the deflecting coil r
ightw
ard f
or alignment.
2
Bond each w
edge on CR
T
, and bond the glass
tape on it.
3
Coat the lacquer paint on the D
Y
f
astening
scre
ws
, the magnetic unit (pur
ity 4-pole and 6-
pole) and the magnetic unit f
astening scre
ws
.
Wedge "a"
Wedge "b"
Wedge "c"
About 100
°
About 100
°
Lacquer
4-pole magnet
6-pole magnet
Purity magnet
CRT neck
Lacquer
26mm
±
0.5mm
BG
R
R
R G B
B G R
GB
RG
B
B
B G R
R G B
GR
RG
B
B G R
BG
R
R G B
Fig.-4 Fig.-3 Fig.-1 Fig.-2