help with upgrading to Accenta G4 from Accenta 8 Mini

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Hello all :)

the old box went half knackered, opened the main panel and found a burnt resistor. (a common problem with these units)

KTAbPTX.jpg


then i went on amazon and bought a new replacement unit.

CvS6POT.jpg


from plastic moulding and internal box, the layout is the same, just the PCB has been refreshed.

o5ggS9u.jpg


one thing I noticed the old PCB has few labels different than the new PCB:

X9pXH9l.jpg


25 26 27
13v Set
+ - +


can anyone help me where to put these wires on the new PCB and what are they for?

Many Thanks :)
 
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i think i got it now, 13v has moved to the middle and "-" is 0v"

what is SCB, why is it on the new PCB is shorted by default?
 
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i think i got it now, 13v has moved to the middle and "-" is 0v"

what is SCB, why is it on the new PCB is shorted by default?

Hi SCB is for the alarm bell box outside.
The two terminals are linked by default as they provide tamper protection for the bell box. Take the link out and connect up wires to the G4 the same way it was connected to the Accenta 8.

Hope this helps.

Regards,
Matt.
 
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excellent, thank you Matt for the explanation. will keep this post open if I need more help.
 
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