CPD-E440 - Sony Monitor Service Manual (repair manual). Page 10

  Allow a 30 minute warm-up period prior to making the following 

adjustments.

1.  Display the all white pattern.

2.  Adjust the contrast to maximum value.

3.  Make the screen monogreen.

 

Note:  Turn off the outputs from R ch and B ch of SG.

4.  Reverse the DY and coarsely adjust the purity magnet so that a 

green raster position is in the center of the screen.

5.  Adjust the "H.CENTER" with the H CENTER Switch. 

(S501 on the D board.)

6.  Moving the DY forward, adjust so that an entire screen becomes 

monogreen.

7.  Adjust the tilt of DY, and fi x lightly with a clamp.

 

Note:  "TILT" shall be set at 0.

Connect  the  communication  cable  of  the  connector  located  on  the  D  Board  on  the  monitor.  Run  the  service  software  and  then  follow  the 
instructions.

1.  Place the monitor in the Helmholtz coil.

2.  Set TLH plate to zero position.

3.  Display plain green pattern.

4.  Degauss CRT face and iron parts with  degauss equipment or 

hand-degausser. 

5.  Perform auto degauss. 

6.  Attach a wobbling coil to the specifi ed position of CRT neck.

7.  Attach the sensor of the landing adjustment unit on the CRT 

surface.

Purity Magnet

<<Zero Position>>

L/D control specification

± 3

± 7.5 ± 3

± 3

± 7.5 ± 3

± 3

± 7.5 ± 3

Purity magnet position

8.  Adjust the purity, DY position and the DY tilt.

9.  Fasten DY with screw.

 

Note:  Torque 22 ± 2kgcm (2.2 ± 0.2 Nm)

 

  

   Perform auto degaussing.

10.  Adjust top and bottom Pin by pitching DY up and down with two 

wedges so that [a] is equal to [b].

a

b

c

d

"a" and "b" must be equal.

IBM at Computer

as a Jig

1

2

3

1-690-391-21

A-150-919-A

Interface Unit

3-702-691-01
Connector Attachment

To BUS CONNECTOR

D-Sub

(9 Pin [female])

Mini Din

(8 Pin)

4 Pin

4 Pin

4 Pin

* The Parts above (          ) are necessary for DAS Adjustment.

1

3

-