HP (Hewlett-Packard) L1798A Projector User Manual


 
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2. Unscrew 4 screws (step 1), unscrew 1 screw (step 2), unsrew 8 screws (step 3),
unplug 9 connectors (step 4) to remove Power Supply Module.
Step 1
Step 1
Step 2
Step 3
Step 4