The Preview Display; Preview Logic Board - HP PageWriter XL M1705B Service Manual

The Preview Display
Note .I
I?
The preview display
is
available only on the M1700A.
The preview display consists of three subassemblies:
w The preview logic board
E The preview power supply board
H The preview LCD
The preview logic board connects to the system expansion connector
on the CPU assembly. The three subassemblies then connect to each
other as shown in Figure 5-12. Pin assignments for the preview
display connectors are listed in Appendix A.
J2
SYSTEM
EXPANSION
BUS
PREVIEW
LOGIC
BOARD
.
I
I1
P
JC
POWER
SUPPLY
BOARD
LCD
MODULE
Ml 700-09
Figure 5-12. Preview Display Subassembly Connections.
5-24 Theory of Operation