Keyboard - HP 9020 Service Manual

4-32
Assembly Access
Keyboard
Several keyboard subassemblies are field-replaceable. These subassemblies are listed below, fol-
lowed by their access procedures.
• Keycaps
• Keyswitch Board
• Keyboard Electronics Board
• Keyswitches
• Language Resistors
• Real-Time Clock/Non-Volatile Memory (RTC/NVM) Batteries
All subassemblies listed above, except keycaps, require that the keyboard be removed from the
computer. To remove the keyboard from the computer proceed as follows:
1. UNPLUG COMPUTER POWER CORD FROM AC OUTLET.
2. Remove front cover and keyboard bezel as previously described.
3. Disconnect ground strap connector at top left of keyboard from lug on computer (Figure
4-30).
4. Loosen four #2 Pozidriv captive screws that attach keyboard to computer (Figure 4-30).
GROUND CABLE CONNECTOR
#2 POZIDRIV SCREW
Figure 4-30. Releasing Keyboard