powersoft M-Drive Service Manual page 9

Checking the PSU Mosfets
Keep the board alive by supplying 18Vdc through the
PL1 connector by means of the
Using an oscilloscope, check the waveform's shapes by
probing the points indicated
As portrayed on (Fig. 9).
Out Of Range Values, Blown Fuses/Varistor are sign
of malfunction in the PS Section, please order the
KT000851.R KIT M-DRIVE PSU
6. LED Charts:
Color Label Description
D39 Channel Mute
D37 Temperature Protection
D6 +VCC
D8 -VCC
Color Label Description
D2 +5Vdc
D8 Signal Clip
D4 Protection Active
D5 Ready
Interface Board
Color Label
Signal protection
RED PROTECT
No pressure sensor
RED LIMIT
GREEN SIGNAL Input signal present SOLID ON
GREEN E.SAVE
Thermal protection
YELLOW TEMP
No faults, system
GREEN READY
fully operating
GREEN ON
PSU AUX Voltage Cable.
.
Repair Kit.
Led Status
Default OFF
Default OFF
Default ON
Default ON
Led Status
SOLID ON
ON
ON
SOLID ON
Signal Status
SOLID ON
active
BLINKING
connected
Limiter active SOLID ON
- SOLID OFF
SOLID ON
active
SOLID ON
System on SOLID ON
13Vpp 44KHz
M-Drive | SERVICE MANUAL
18 V 44mA
(Fig. 9)
9