Panasonic M-900 Series, Руководство по обслуживанию

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M-900 X X X Series
M-1200 >< X X Series
-----ALIGNMENT PROCEDURE------
PREPARATION
1. Connect the 10-Pin connecter from the proper logic to
the defined input signal.
2. Apply power to the CRT data display and allow the
monitor to stabilize.
3. Adjust coils by means of a hexagonal tuning tool (non­
metalic).
Variable resistoer by -screw driver and deflection yoke
(deflection distortion) by square tuning tool (non­
metalic).
4. All controls are set at optimum position prior to
shipment.
ADJUSTMENT PROCEDURE
• Image Tilt Adjustment
Loosen the deflection yoke clamp and turn in the arrow
directions to adjust tilt. (See Fig. 2).
lncorrect Correct
-- --J
Fig. 2
1
1
__ Character area
• Vertical Hold Adjustment
Ad just (VR31) until the image becomes stable vertically as
shown in Fig. 3.
Rolling
M---------- __ -,M
1 1
1
I
1 1
:
M
:
1
1
1
1
1
1
M--- --- - ------JM
Locking in
Fig. 3
• Vertical Hold Adjustment
Checking of height, width and bright should be performed
more than 30 minutes after power is appl ied.
Measure the luminous intensity near the center of CRT and
set at 50 lux ±20% (40 to 60 lux). These adjustment are
performed on the basis of the input signal of Timing chart
(page 6). Adjustment of picture and its associated parts
should be made in the order of Sub-contrast, Sub-bright
and Pedestal level.
• Horizontal Hold Adjustment
Turn (VR41) to set the raster area in the horizontal center
of the CRT. (See Fig. 4.)
Fig.4
• Vertical Height Adjustment
Adjust the vertical height (VR32) to set the vertical height
of the active character area as shown in F=ig. 5.
_..,_-.Ji-.::::-..1 ncorrect
9"Model 4.33" (110mm)
12"Model 5.91" (150mm)
Vertical height
t------J-+_
Correct•
Vertical height
Fig. 5
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