Improper Lcd Display - Panasonic UF-9000 Service Manual

4.2.

Improper LCD Display

START
Check connectors on the SC PCB
and PNL PCB.
Is LED/LCD displayed?
No
Does CNP306, pin 6 on the SC
PCB measure +5 VDC?
No
Replace the SC PCB.
Is the trouble
resolved?
Yes
END
Note:
LCD Display Brightness Adjustment
To adjust the brightness of the LCD display, press and while holding down the "CLEAR" key, keep
pressing the "ORIGINAL SIZE" or the "COPY SIZE" key until the desired brightness is achieved.
ORIGINAL SIZE : Dimmer
COPY SIZE
Ver. 3.0
Yes
Yes
No
Replace the Low
Voltage Power
Supply Unit.
: Brighter
Does the display appear normal?
Yes No
Replace the LCD
Module.
Is the trouble resolved?
Yes
END
89
UF-9000
DP-180/190
No
Replace the
Touch Panel.
APR 2006