Power Faults
The console’s power supply is externally housed and consists of a single SMPS (Switch Mode Power Supply) providing all of the
console’s analogue and digital power rails.
Power from the external supply is wired via the twist-lock connector on the rear of the console to the 629515X1 and two
629516X1 assemblies. It is then distributed to all the other assemblies through either a dedicated power loom or as part of a
data ribbon power connection. The 629515X1 and 629516X1 assemblies use resetable fuses to protect and isolate their power
rails from the main supply. The console’s 629505X1 CPU is powered directly from the SMPS and is again protected with PTC
thermistors on the CPU assembly.
power supply fault and the whole unit must be replaced.
The Matrix external power supply contains no user serviceable parts. Do not attempt any maintenance.
Appendix G - Service
144
Matrix
2
Owner’s Manual
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