CPD-2403
SECTION 4
ADJUSTMENTS
Connect the communication cable of the connector located on the D board on the monitorw the. Run the service software and then follo
instructions.
1 1-690-391-21 2 A-1500-819-A3 3-702-691-01
Interface UnitConnector Attachment
IBM AT Computer
To BUS CONNECTOR
as a Jig
D-submini Din4 Pin4 Pin4 Pin
(9 Pin [female])(8Pin)
*The parts above ( ~ ) are necessary for DAS adjustment.13
Allow a 30 minute warm-up period prior to making the following adjustments:
12. If the corner landing is out of specification, use a disk
4-1.Landing Rough Adjustment
magnet for the landing correction.
1. Display the all white pattern.
13. If disk magnets were used, perform an auto degauss.
2. Adjust the contrast to maximum value.
3. Display the plain green pattern.14. Remove the wobbling coil and sensor.
15. Fix the purity magnet on DY with white paint.
4. Slide the DY back and roughly adjust the plain green
pattern with the purity magnet so that it is centered on
4-3. Converence Rough Adjustmentg
the screen.
5. Moving the DY forward, adjust so that an entire screen1. Enter the white crosshatch signal.
2. Roughly adjust the horizontal (H.STAT) and vertical
becomes pure green.
(V.STAT) convergence at four-pole magnet.
6. Adjust the tilt of DY and tighten lightly with a clamp.
3. Roughly adjust HMC and VMC at six-pole magnet.
4-2.Landing Fine Adjustment
4-4.Convergence and V. Key (H. Trp) Fine Adjustment
1. Place the monitor in the Helmholtz coil.
2. Set TLH plate to zero position.H-Trp VR TLV VR
3. Display plain green pattern.
PurityXCV VR
4. Degauss CRT face and iron parts with degauss equipment orNeck Ass'yMagnet
hand-degausser.
A Board
5. Perform auto degauss.
DYCRT
6. Attach a wobbling coil to the specified position of CRT neck.
7. Put the sensor of landing checker to CRT face.
8. Adjust purity, DY position and DY tilt.6-pole4-poleYCV VR
MgMg
9. Tighten DY screw.TLH Plate
10. Perform auto degauss.
1. Display crosshatch pattern with green lines and black
11. Adjust top and bottom pin by pitching DY up and down with
field.
two wedges so that [a] is equal to [b].
2. Adjust V. Key (=H. Trapezoid) with H-Trp VR so that [a]
is equal to [b].
3. Change "CONV_OFF_NDX" to "7".
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