Improper Lcd Display - Panasonic DP-8020E Service Manual

4.2.

Improper LCD Display

START
Check connectors: CN52 (SC PCB),
and CN220 (PNL1 PCB).
Is LED/LCD displayed?
No
Does CN52, 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. 1.0
Yes
Yes
No
Replace the
Power Supply
Unit.
: Brighter
Does the display appear normal?
Yes No
Replace the LCD
Module.
END
187
DP-8020E/8020P/8016P
SEP 2006