Mitsubishi Electric 1786FD2 Service Manual page 74

MEA 1786FD2 CRT Monitor Service Guide
8. Clear all of user mode data
After finishing all factory setting , Press enter or exit key to main menu.
Press right or left key to scroll light bar to reset to default and press enter key, then at this time all of user
mode data have been cleared
9. Geometry Specification
ITEM
1
2
3
4
5
6
7
8
9
10. Power Saving Function Check
a. Input mode 31KHz [VGA SIZE] with full white pattern.
b. Press both contrast and brightness keys to maximum position.
c. Remove the horizontal sync signal from input, the unit will go into "Standby" mode.
The picture will disappear, and the LED indicator is amber. The power consumption
should be less than 5W.
d. Remove vertical sync signal from the input, the unit will go into "Suspend" mode. The picture
will disappear, and the LED indicator is amber. The power consumption should be less than 5W.
e. Remove both syncs from input, the unit will go into "Off" mode.
The picture will disappear, and the LED indicator should be amber
The power consumption should be less than 5W in this case.
f. Input H-sync and V-sync signals in case c, d and e, the unit will recover to normal state,
and the LED indicator is green.
g. Disconnect the signal cable from input, the unit will go into "Override" mode.
The raster should be extinguished, and the LED indicator is green. The power
consumption is normal.
h. Re-connect the signal cable in case g, the unit will recover to normal state, and the LED
indicator is green.
DESCRIPTION
HORI SIZE
VERT SIZE
SIDE PIN
TOP/BOTTOM PIN
SIDE BARREL
TOP/BOTTOM BARREL
TRAPEZOID
VIDEO OFFSET
PARALLELOGRAM
Alignment Procedure
SPECIFICATION
310 ± 2 mm
230 ± 2 mm
¡ Ø 2.0 mm
¡ Ø 2.0 mm
¡ Ø 1.5 mm
¡ Ø 1.5 mm
¡ Ø 2.0 mm
¡ Ø 4.0 mm
¡ Ø 3.5 mm
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