CPD-120AS - Sony Monitor Service Manual (repair manual). Page 15

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Mechanical
Center

Set the
finger

Connect the communication cable of the computer to the connector located on the D board on the monitor.  Run the service software and
then follow the instruction.

IBM AT Computer

as a Jig

1-690-391-21

1

A-1500-819-A
Interface Unit

2

*The parts above (                ) are necessary for DAS adjustment.

1

3

D-sub
(9 Pin [female])

mini Din
(8Pin)

4 Pin

3-702-691-01
Connector Attachment

3

To BUS CONNECTOR

4 Pin

4 Pin

•

Set DY four-pole magnet to mechanical center
before adjustment.
This should be prime mode.

•

1.

Enter the full white signal.

2.

Adjust the contrast to the maximum.

3.

Make the screen monogreen.

4.

Reverse the DY, and adjust coarsely the purity magnet so that
a green raster positions in the center of screen.

5.

Moving the DY forward, adjust so that an entire screen be-
comes monogreen.

6.

Adjust the tilt of DY, and fix lightly with a clamp.

•

1.

Place the set in the Helmholtz coil.

2.

Enter a green signal only.

3.

Degauss the entire screen with hand-degausser.

4.

Attach a wobbling coil to the specified position of CRT neck.

5.

Attach a landing adjuster sensor on the CRT.

6.

Using a landing checker, adjust the DY position, purity, tilt of
DY.

7.

Clamp the DY screw.

Clamping torque: 19 ± 1kgcm (1.9 ± 0.1 N.m)

•

1.

Enter the white crosshatch signal.

2.

Adjusut roughly the horizontal and vertical
convergence at four-pole magnet.

3.

Adjusut roughly HMC and VMC at six-pole
magnet.

*

*

1)

Receive R.B. cross-hatch.

2)

Adjust H.STAT nad V.STAT at four-pole magnet.

1

2

1

2

B

R

1

2

R

B

B

R

1 2

+

R

B

1

2

B

R

R

B

1 2

+

NECK Assy

6PoleMg

P.S Mg

XBV

DY

CRT

4Pole Mg