HP designjet l65500 Manuale Di Servizio
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Troubleshooting
Area 4: PPS encoder, Dunker PCA
•
E1, E2: These are the signals of the PPS encoder, and BLINK when the PPS is moving.
•
5V1, 5V2: Power for the dunker PCA (differential board)
Area 5:
A vertical column of 6 LEDs with the voltages that arrive to the board.
From top to bottom:
1.
3,3 V
2.
12 V
3.
5 V
4.
5 V STANDBY
5.
24 V
6.
42 V