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Assembly Access
Service Panel Board
The HP 9030 and HP 9040 require different service panel board replacement procedures. Both are
provided in the following paragraphs.
HP 9030
1. SET THE POWER SWITCH ON THE REAR PANEL TO THE "0" POSITION AND DIS-
CONNECT THE AC POWER CORD FROM THE WALL OUTLET.
2. Remove front panel.
CAUTION
SERVICE PANEL CABLE IS CONNECTED TO BOARD BEHIND
APPEARANCE PANEL, AND GROUND CABLE INTERCONNECTS
BASE PLATE AND APPEARANCE PANEL. PERFORM NEXT THREE
STEPS CAREFULLY TO PREVENT DAMAGE TO CABLE CONNEC-
TORS OR BOARD.
3. Remove four #2 Pozidriv screws (two on each side) that attach the appearance panel to
enclosure.
4. Pull appearance panel out, tilt down from the top, and disconnect service panel cable from
service panel board.
5. Disconnect ground cable that interconnects base plate and appearance panel from inside
lower right of appearance panel.
6. Remove three #2 Pozidriv screws that attach service panel board to appearance panel, and
remove board.
HP 9040
1. SET THE POWER SWITCH ON THE REAR PANEL TO THE "0" POSITION AND DIS-
CONNECT THE AC POWER CORD FROM THE WALL OUTLET.
2. Remove both front panels and the flip-top cover as previously described.
3. Disconnect service panel cable from service panel board.
4. Remove three #2 Pozidriv screws that attach service panel board to appearance panel, and
remove board.
Service Panel Cable
The HP 9030 and HP 9040 require different service panel cable replacement procedures. Both are
provided in the following paragraphs.
HP 9030
1. SET THE POWER SWITCH ON THE REAR PANEL TO THE "0" POSITION AND DIS-
CONNECT THE AC POWER CORD FROM THE WALL OUTLET.
2. Remove top cover and front panel.
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