HP 8753E - Backlight Intensity Check Setup; Red, Green, or Blue Pixels Specifications

HP 8753E
NETWORK ANALYZER
PHOTOMETER PHOTOMETER
PROBE
sg632e
Note
Figure 6-4. Backlight Intensity Check Setup
The intensity levels are read with a display bezel installed.
5. If the photometer registers less than 50 Nits, the display backlight lamp is
bad. Refer to the “Replacement Procedures” chapter in the service manual
for information on display lamp replacement.
Red, Green, or Blue Pixels SpeciIlcations
Red, green, or blue “stuck on” pixeis may appear against a black background.
m ted for these dots, press w ~~~~~~~~~ .~~ 170) Ixl)
:~~~~~~ ~~~~~,
..,. ..,.
..,,.,...... - _- - ._.. -- -
In a properly working display, the following will not occur:
n complete rows or columns of stuck pixels
n more than 5 stuck pixels (not to exceed a maximimi of 2 red or blue, and 3
green)
n 2 or more consecutive stuck pixels
n stuck pixels less than 6.5 mm apart
Digital Control Troubleshooting
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