Checking The Power Supply Board Voltage Levels - GRAPHTEC FC7000-75 Service Manual

7.3.3 Checking the Power Supply Board Voltage Levels

(1) Detach the left side cover (see Subsection 6.1.2).
(2) Turn on the power switch and then check the voltage levels.
(3) The output voltage levels of the pins are shown in the table below.
Connector name
CN1
CN2
FC7000-UM-251-9370
Power supply board
Pin No. Name
1 AC (L)
2 Not used
3 AC (N)
1 +40 V
2 +40 V
3 GND
4 GND
7-10
CN1
CN2
Output voltage
AC power voltage (Depends on
the supply voltage.
DC +40V
DC +40V
7. ADJUSTMENT
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-