HP PageWriter XL M1705B Service Manual page 218

Table A-12. Power Supply to LCD Module, Jl
Signal Definition
VCFLRET
VCFLl, 2
Return path for cold fluorescent, backlight power.
Power for cold fluorescent, backlights.
Table
A-13. Power Supply to LCD Module, J2
Signal
FP
LDO-LD3
LP
SCP
Definition
Frame pulse. Clocks in one screen of LCD data.
Data bits for lower half of preview screen.
Latch pulse. Clocks in one line of LCD data.
Shift clock pulse. Clocks in upper and lower LCD
data.
UDO-UD3
Data bits for upper half of preview screen.
VCCFILT Filtered +5V.
VLCD
Contrast voltage to the preview display.
A-12 Connector Pin Assignments