Tektronix WFM5250, Service Manual

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Removal and Replacement Procedures
LCD Module 1. Remove the 6 pan-head 40 X 0.187 T-10 screws that attach the LCD module
to the main chassis. (Push aside the Poron foam gasket to reach the screws.)
(See Figure 9.)
2. Carefully lift the LCD module, pulling the LCD and backlight cables up
through the slots on the main chassis.
3. The LCD module should not be further disassembled. The entire module,
including the LCD, board and cables, can be replaced by ordering part number
119-7439-01.
Figure 9: Screws that attach LCD module to main chassis
34 WFM5250 Waveform Monitor Service Manual