powersoft M50Q - Internal LEDs Check; Interpret LED Status Indicators; Apply Thermal Grease to Heatsink; Perform Burn-in Test

INDEX
22
M SERIES | SERVICE MANUAL
11. Internal LEDs check:
V AUXV AUX
V RAILV RAIL
V AUX PSUV AUX PSU
The following picture (Fig. 47) portrays the position of all the check LEDs.
If all these conditions are met, after an heavy cycle burn-in the amplifier is to be considered repaired.
Coat all the heatsink mounted components with a layer of AAvid Thermalloy ThermalCote grease (Farnell code 2295754) and
reset the heatsink.
(Fig. 47)
V RAIL
CH1/2
OK FAULT
OK FAULT
CH3/4
OK FAULT
OK FAULT
V AUX
-VAUX OK FAULT
+VAUX OK FAULT
+7V OK FAULT
V AUX PSU OK FAULT