Raster Size Adjustment; Rgb Convergence Adjustment - Panasonic PT-M1083U Service Manual

Crt projector shassis s4
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10. Press the STORE
button
on the remote controller.
11. Remove the lens
caps
from the red and blue lenses.
12. Adjust the CENTERING
on the remote controller
so
that the red and blue cross
patterns
may conform with
the green crosshair pattern.
13. Press the STORE
button
twice on the remote control.
14. Press the ESC
butlon
on the remote control.
RASTER SIZE ADJUSTMENT
(H/DA.P.C.Boards)
EQUIPMENT TO BE USED
Programmable SJgnal Generator
For remote. control
CONTROL OPERATION
described later.
Digital Voltmeter
Remote Control
Note:
2. INITIAL CONDITION (on screen value)
BLANCKING (BLK)
" ALL MAX
3. ADJUSTMENT PROCEDURE
1. Input a circular
pattern
signal (fH;;31.5KHz. fV=60Hz)
to RG8 IN 1.
2. Connect
a digital
voltmeter between TPH25 and
TPH12 (GND).
3. Put the lens caps on the red and blue lenses.
4. Press the RASTER SIZE button on the remote
controller and set the numerical values of H and V as
follows.
H:128
V:170
5. Press the STORE button on the remote control.
6. Adjust the RG8 POSITION (V) on the remote controller
so that the circular pattern may be placed in the center
of
screen display surface.
. ).
PT.M1 085U1PT.M1 0831
7. Adjust
R8975 (V.SIZE) on the DA-P.C.Board
so that
the V-size of V 1 is 1736m m.
8. Remove the lens caps from the red and blue lenses.
9. Adjust R5060 (H.W.BIAS) on the H-P.C.Board so that
the value 01 voltage is 0 :i: a.ow.
10. Secure R5060 in place with silicon bond.
11. Adjust the RGB POSITON (H) on the remote controller
so that the center of right and left of picture may be
placed in the center of screen display surface.
12. Adjust horizontal linearity by using the RASTER UN on
the remote controller.
13. Adjust the RASTER SIZE on the remote control so that
the H-SIZE 01 H1 is 2314mm.
14. Input a circular
paltern
signal (fH;15.75KHz,
fV;;;60Hz)
to RGB IN 1.
15. Adjust horizontal linearity by using the RASTER UN on
the remote controller.
16. Confirm that the H-SIZE 01 H1 is 2246 i: 157mm.
17. Input a circular pattern signal (fH;;;65KHz. fV;;;60Hz) to
RGB IN 1.
18. Adjust horizontal linearity by using the RASTER UN on
the remote controller.
19. Confirm that the H-SIZE of H1 is 2271 i: 159mm.
20. Input a circular
pattern
signal (fH=10QKHz. fV=60Hz)
to RGB IN 1.
21. Adjust horizontal I1nearity by using the RASTER UN on
the remote controller.
22. Confirm that the H-SIZE of H1 is 2143 :!: 150mm.
RGB CONVERGENCE ADJUSTMENT
EQUIPMENT TO BE USED
Programmable Signal Generator
Remote Control
Note: For remote control operation,
see REMOTE
CONTROL OPERATION
PROCEDURE to be
described later.
2. INITIAL CONTDITION (on screen value)
CONTRAST
MAX
RASTER SIZE
H: 128, V: 160
operation.
REMOTE
to be
see
PROCEDURE
BRIGHT ...
128
3. ADJUSTMENT PROCEDURE
1. Input a circular
pattern
signal (fH=31.5KHz. fV",60Hz)
to RGB IN 1.
2. Put the lens caps on the red and blue lenses.
3. Adjust the vertical and horizontal linearity of the picture
image by the RASTER UN on the remote control.
4. Press the TEST button on the remote conlrol so thai
the crosshair pattern is displayed on the screen.
5. Adjust the vertical and horizontal centering of the
green picture segment by the CENTERING on the
rem01e control.
~ ~ ~ ~ ~ ~

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