HP 9020 - Page 185

Assembly Access 4-85
CAUTION
HANDLE SINGLE-WIRE CONNECTORS BY CONNECTOR ONLY.
OTHERWISE, WIRE MAY BREAK INSIDE THE CONNECTOR.
4. Disconnect two single-wire connectors that interconnect video board and sweep board
(Figure 4-82).
5. Loosen two thumbscrews on rear door and open door (Figure 4-87).
6. Disconnect the ground connector from the spade lug at rear top of video board (Figure
4-89).
7. Remove four #2 Pozidriv screws from video board (Figure 4-89).
8. Pull board slightly away from chassis and disconnect two cable connectors from rear of
board.
9. Push two single-wire connectors through holes in chassis.
10. Disconnect CRT/yoke assembly connector (Figure 4-89) from CRT/yoke assembly and
remove video board.
VIDEO
BOARD
GROUND
CONNECTOR
CRT/YOKE ASSEMBLY
CONNECTOR
#2 POZIDRIV SCREWS
Figure 4-89. Removing Video Board
REASSEMBLY CAUTION
WHEN CLOSING THE CAGE DOOR, ENSURE THAT THE RFI
GASKETING DOES NOT CATCH ON THE DOOR SIDES.