Control Panel; Outline - Canon CLC 1120 Service Manual

I.

CONTROL PANEL

A. Outline
The copier's control panel consists of the PCBs shown in the figure and a liquid crystal display
(LCD) capable of showing images in 640 x 240 dots.
• Monitors key input.
• Controls buzzer sound.
• Controls control panel LEDs.
• Controls data communication.
• Provides data (display data).
Related Service Mode
COPIER>FUNCTION>PANEL>LCD-CHK
COPIER>FUNCTION>PANEL>LED-CHK
COPIER>FUNCTION>PANEL>LED-OFF
COPIER>FUNCTION>PANEL>KEY-CHK
COPIER>FUNCTION>PANEL>TOUCHCHK
COPYRIGHT © 1999 CANON INC.
CHAPTER 9 EXTERNALS / AUXILIARY MECHANISMS
Inverter
PCB
Control panel PCB
Figure 9-101 Functional Construction
CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Numeric key-
LCD
pad PCB
Touch panel

Control panel

CPU
PANEL-CPU
CPU PCB
Use it to check the LCD for missing dots.
Use it to start a check on control panel LEDs.
Use it to end a check on control panel LEDs.
Use it to start a check on key input.
Use it to adjust the touch panel coordinates.
Pilot lamp
Contrast
VR PCB
• Adjusts LCD contrast.
9-1