Magnavox MC132EMG/17, Руководство по обслуживанию

Страница: 25 / 88

1-6-5 T5515EA
4. Press the [VOL
p
] button.
(Press [VOL
p
] button then display will change
CUT OFF/DRIVE adjustment).
5. Choose CUT OFF/DRIVE mode then press [1]
button. This adjustment mode is CUT OFF (R).
Now there should be a horizontal line across the
center of the picture tube. If needed, gradually turn
the screen control on the flyback clockwise until
the horizontal line appears.
6. Press the [CH
o
/
p
] buttons until the horizontal
line becomes white.
7. Choose CUT OFF/DRIVE mode then press [2]
button. This adjustment mode is CUT OFF (G).
Press [CH
o
/
p
] buttons until the horizontal line
becomes white.
8. Choose CUT OFF/DRIVE mode then press [3]
button. This adjustment mode is CUT OFF (B).
Press [CH
o
/
p
] buttons until the horizontal line
becomes white.
9. Input the White Raster Signal from Video In.
10. Set the color analyzer to the CHROMA mode and
after zero point calibration, bring the optical
receptor to the center on the tube surface (CRT).
11. Choose CUT OFF/DRIVE mode then press [4]
button on the service remote control unit for Red
adjustment. Press [5] button on the service remote
control unit for Blue adjustment.
12. In each color mode, press [CH
o
/
p
] buttons to
adjust the values of color.
13. Adjust Red and Blue color so that the temperature
becomes 9200K (x: 286 / y: 294)
±
3%.
14. At this time, re-check that horizontal line is white. If
not, re-adjust Cut-off Adjustment until the
horizontal line becomes pure white.
15. Turn the power off and on again.
10. Sub-Brightness Adjustment
Purpose: To get proper brightness.
Symptom of Misadjustment: If Sub-Brightness is
incorrect, proper brightness cannot be obtained by
adjusting the Brightness Control.
Note: SMPTE Setup level --- 7.5 IRE
1. Enter the Service mode. (See page 1-6-1.)
Then input SMPTE signal from RF input.
2. Press [MENU] button. (Press [MENU] button then
display will change BRT, CNT, COL, TNT and V-T.)
Select BRT and press [CH
o
/
p
] buttons so that
the bar is just visible (See above figure).
3. Turn the power off and on again.
Adj. Point Input
[CH
o
/
p
] buttons SMPTE 7.5IRE
M. EQ. Spec.
Pattern Generator See below.
Figure
Fig. 5
White
Black
This bar
just
visible
www.freeservicemanuals.info It`s Free