Removal and Replacement Procedures
Figure 4-6: Front panel disassembly
LCD backlight (B030000 and Above). You must partially disassemble the LCD
assembl
y to change the backlights.
There are two backlights. One is located at the top of the LCD assembly and one
is loca
ted at the bottom of the LCD assembly. Each can be accessed from its
respective corner of the as sembly. Perform the following procedure s to remove
the backlights.
1. Remove the six screws attaching the LCD assembly to the display bracket.
You will have to push the poron gasket aside with the screwdriver to access
the screws.
2. Separate the LCD assembly and the display bracket, and lay the L CD
assembly face down on a soft, static-free surface.
3. Remove the two screws attached to the right-hand bracket of the LCD display
assembly. The right-hand bracket is on the right when the assembly is facing
you as shown. (See Figure 4-7.)
4–34 WFM6120, WFM7020, and WFM7120 Waveform Monitors Service Manual
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