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Final Inspection - Velleman K8010 Manual

Mono pure class a valve power amplifier

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• Connect the grey wires to the connectors marked SK7 and SK8 (GRAY). Connect the green wires to
the connectors marked SK9 and SK10 (GREEN).
Connect the remaining leads to the terminal blocks SK13, SK14 and SK15

FINAL INSPECTION :

!
WARNING : THE PCB CARRIES VOLTAGES THAT EXCEED 400V !
THESE VOLTAGES CAN KILL ! MAKE SURE NO ONE CAN TOUCH ANY LIVE PARTS
• Put the mains switch into its fully OFF position (all the way down).
• Connect the unit to a wall outlet, by means of the supplied cord. In some countries, the supplied plug
will not fit the local wall outlets. If this is the case, cut the supplied plug, and replace it with a suitable
one (not included). Make sure to wire it correctly : blue : neutral (N), brown : live (L), yellow/green :
earth.
If the mains voltage is present, LD2 should light continuously red.
• Turn the unit on by pushing the mains switch to its fully upward position.
LD2 should now blink for a while, this indicates the standby mode. After approximately one minute,
LD2 should light continuously green, indicating 'ON', and a relay should click.
• Now check the following voltages with a multimeter:
Measure about 6.3VAC between SK7-SK8 and SK9-SK10
Measure about 6.3VAC between pins 2 and 7 of the tube sockets V1 to V4 (illustration)
22
Use suitable isolated measuring equipment
11
FIG

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