powersoft IpalMod Service Manual page 13

7. Testing the module in AC
Remove all connections that may be present from previous testing.
Plug the pressure sensor to the CN109 connector on the control
board (Fig. 20)
Plug the DPC interface board to the CN101 and CN102 connectors
on the control board (Fig. 21)
Switching the Module on in AC
Remove all connections to the DC Power Supplies.
Connect a Variac to the CN8 Connector, and slowly increase the
voltage to 100 VAC. (Fig. 22)
(Fig. 20)
(Fig. 21)
(Fig. 22)
Audio input
DPC
interface
board
CN106
Micro Match
12 pin
Pressure
sensor
RS-485
interface
CN103
Control
board
Amp
module
CN1
CN109
IPALMOD | SERVICE MANUAL
Audio link
(pass through)
Input attenuator
CN101
CN102
CN101 CN102
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