14U10/15
14U20/25
(21")
B G RR G BAbout 100 DegWedge "c"40cm(14")
20cm
CRT neck
R G BBGR
BGRFig. aRGBFig. bFig. cFig. d6-pole magnet
Wedge "a"
Lacquer
4-pole magnet
B G RR G BLacquer
About 100 DegWedge "b"
Purity magnet
.
wingwingwing
oke lock screw,
ocedureWaveform or others
T and apply glass
, call NORMAL mode
7-2
ity, 4-pole, 6-pole magnets) and
Conditions/Adjusting pr
the deflection coil upward.and swing the deflection coil downward.the deflection coil rightward.the deflection coil leftward.
gle in order to superpose the blue and red col- ours.gle in order to superpose the green colour over the blue and red colours.screen in the following steps. a)Fig. a: Drive the wedge at point "a" and sb)Fig. b: Drive the wedge at points "b" and "c"c)Fig. c: Drive the "c" wedge deeper and sd)Fig. d: Drive the "b" wedge deeper and stape over them.magnet unit (purmagnet unit lock screw.Finally received the Red-only and Blue-only sig- nals to make sure there is no other colours on the screen.
CONVERGENCE ADJUSTMENT
1.Receive the "Crosshatch Pattern" signal. 2.Using the remote controllerSTATIC CONVERGENCE 1.Turn the 4-pole magnet to a proper opening an-2.Turn the 6-pole magnet to a proper opening an-DYNAMIC CONVERGENCE 1.Adjust the convergence on the fringes of the2.Fix all the wedges on the CR3.Apply lacquer to the deflection y
Adjusment pointCONVERGENC ADJ. ( To be done after the purity adjustment.)
1
No.
bA = BA = B
BAB
Fig. 1-1Fig. 1-2Fig. 1-3
Rank "A" Rank "A"
aA
(On the right of the CRT)(On the left of the CRT)
A.
?
2 kgf)
?
ws.
ocedureWaveform or others
7-1
Y signal. Adjust the
20 N (11
A.?
?. Adjust the landing to the
108
PURITY ADJUSTMENT
Conditions/Adjusting prThis adjustment must be done after warming up the unit for 30 minutes or longer with a beam current over 500
Tightening torque:
beam current to ~ 500 field and keep the static convergence roughly adjusted.through the microscopeA rank requirements.?rank requirements. If not, stick the magnet sheet to correct it. Note:
1.Receive the GREEN-ONL2.Maintain the purity magnet at the zero magnetic3.Observe the points a, b, as shown in Fig. 1-14.Orient the raster rotation to 0 eastward. 5.Tighten up the deflection coil scre6.Make sure the CRT corners landing meet the A
Adjusment pointPURITY ADJ.
1
No.
7 |
ACEC
