HP 5890 SERIES II Service Manual page 270

8. Remove detector PCB(s), optional communications interface PCB, and optional EPC (Electronic
Pressure Control) or MPC (Manual Pressure Control) interfcae PCB if installed. (Refer to section
4 of this manual for information on removal and installation of detector PCBs. Refer to section
10 of this manual for information on removal and installation of Communications interface PCBs.
Refer to section 3 of this manual for information on removal and installation of the EPC/MPC
interface PCB.
COMMUNICATIONS PCB (TYPICAL)
PRESSURE CONTROL
PCB (TYPICAL)
DETECTOR PCB (TYPICAL)
SVC 9- 4
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