Read Sony CPD-E450 Service Manual online
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CPD-E450
SECTION 3: ADJUSTMENTS
Allow a 30 minute warm-up period prior to making the following
adjustments.
3-1. LANDING ROUGH ADJUSTMENT
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.
instructions.
3-2. LANDING FINE ADJUSTMENT
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
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.
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3
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