Improper Lcd Display - Panasonic UF-E1 Service Manual

4.2.

Improper LCD Display

START
Check connectors: CN14 (SC
PCB) and CN40 (PNL PCB).
Yes
Does CN14, pin9, on the SC
PCB measure +5VDC?
Does CN14, pin10, on the SC
PCB measure +3.3VDC?
Does CN14, pin12, on the SC
PCB measure +5VDC?
Yes
Replace the PNL PCB.
END
No
Replace the SC PCB.
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UF-E1