Improper Lcd Display - Panasonic DP-3510 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 3 on the SC
PCB measure +5 VDC?
No
Replace the SC PCB.
Is the trouble
resolved?
Yes
END
Ver. 5.2
Yes
Yes
No
Replace the Low
Voltage Power
Supply Unit.
DP-3510/3520/3530/4510/4520/4530/6010/6020/6030
Does the display appear normal?
Yes No
Replace the LCD
Module.
Is the trouble resolved?
Yes
END
151
No
Replace the
Touch Panel.
JAN 2006