AMERITRON AL-811H Manual del usuario - Página 7

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AMERITRON AL-811H Manual del usuario
panel. Be careful unsoldering leads. Leads are accessible through a plate on the back of the back panel. Use a
large iron, and have a solder sucker or solder wick handy! Use a large hot solder-wetted tip on the wire ends
that stick through the boards, so you can get on and off the solder joint quickly. Do not linger and overheat the
printed circuit board foil while waiting for the wire to melt free. You do not want to lift foil pads off the boards
from excess heat. Heat the wire end with a wetted tip flat against the wire, do not heat the foil.
This is an incorrectly wired panel. The transformer leads are too short to allow the panel to fully lay down and
must be unsoldered for input board or tube chassis service. (Fig. 7)
(Fig 7)
After rear panel removal, remove any MOV's. They will be located on the circuit board right down by the fan.
MOV's are sometimes blue. They will be present along with capacitors. Refer to Fig. 8, 9, & 10 to help you
identify the MOV's.
(Fig 8)