powersoft IpalMod Service Manual page 15

Checking the rails voltage in AC
Switch the module on in AC. (100Vac)
Wait 30 seconds without input signal.
Check the positive rail bus from CH2:
+133 V FA8 to F3
DC
Check the negative rail bus from CH1:
–133 V FA6 to F2
DC
As portrayed on (Fig. 23)
Switch the module on in AC.
Plug a Signal Generator to the input connector of the
DPC interface board
Turn the potentiometer on the DPC interface board
completely clockwise.
As portrayed on (Fig. 24)
Program the Signal Generator so that it outputs a 100Hz
stationary waveform, and calibrate the output level in
order to have 1 V (0 dBV, 2.21 dBu).
rms
The Signal LED starts blinking and the ESAVE LED turns
off (Fig. 25)
Check the positive rail bus from CH2
-185 V FA8 to F3
DC
Check the negative rail bus from CH1
+185 V FA6 to F2
DC
As portrayed on (Fig. 26)
-133V
Positive Rail Bus
(Fig. 23)
(Fig. 24)
(Fig. 25)
-185V
(Fig. 26)
IPALMOD | SERVICE MANUAL
+133V
Negative Rail Bus
+185V
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