HP 9020 Service Manual page 182

4-82
Assembly Access
Display Motherboard
1.
Remove top cover.
WARNING
WAIT AT LEAST 5 MINUTES FOR CAPACITOR DISCHARGE AF-
TER REMOVING POWER CORD.
2. Loosen four 1I4-turn # 1 Pozidriv captive screws and remove top lid from display (Figure
4-79).
3. Remove display power supply board and sweep board as previously described.
4. Disconnect three cable connectors from display motherboard (Figure 4-85).
5. Release display motherboard from plastic standoffs (Figure 4-85) by pushing paper spindle
tool (09815-20602) over standoff while lifting up on motherboard.
6. Remove display motherboard from display.
CABLE
CONNECTOR
STANDOFFS
(0380-1624 )
Figure 4-85. Removing Display Motherboard
DISPLAY
MOTHERBOARD