Fanuc Power Mate i-D/H Maintenance Manual

2. HARDWARE
B63175EN/03
204
WARNING
Only those personnel who have received approved safety
and maintenance training may perform this replacement
work.
When opening the cabinet and replacing a unit, be careful
not to touch the highvoltage circuits (marked and fitted
with an insulating cover).
Touching the uncovered highvoltage circuits presents an
extremely dangerous electric shock hazard.
NOTE
The backlight is a consumable.
This subsection applies to the replacement of the LCD/MDI and separate
LCD backlights.
Table 2.9.1(a) Specification of LCD/MDI and separate type LCD
Name Specification
LCD/MDI A02B0166C261#R
A02B0166C261#S
Separate type LCD A02B0166C251
The 7.2 monochrome LCDs for the LCD/MDI and separate LCD are
products of either Hitachi Ltd. or Sharp Corp. Their backlights differ
depending on the manufacturer. Both types of backlights are provided as
spare parts. Select an appropriate type.
Table 2.9.1(b) Specification of backlight
Spare part specification Backlight specification Manufacture
A02B0236K112 A61L00010142#BL Hitachi
A61L00010142#BLS Sharp
(1)Turn off the power to the LCD/MDI or separate LCD, and wait for a
while.
(2)Remove the protection plate from the rear. (4 screws)
(3)Remove the backlight power supply cable from the upper left section
and the LCD cable from the center right section. (See Fig. 2.9.1 (a).)
(4)Remove the printedcircuit board from the rear along with the holding
metal plate. (4 screws)
(5)Remove the LCD. (4 screws)
2.9
SETTING AND
DISPLAY UNIT
BACKLIGHT
REPLACEMENT AND
ADJUSTMENT
2.9.1
Replacing the
Backlight of LCD/MDI
or Separate Type LCD

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