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Gottlieb system 3 display controller pcb resistor value
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Question
Adzy8383
I am repairing a street fighter 2 for a mate. His display controller has shit the bed. I found a bad cap (c26) was out of specs with bad esr. I located a open resistor at r13. I’m assuming the cap drew to much current through the circuit and opened the resistor and replacing those parts could fix the issue.
While probing around I found a resistor at r18 that measured at 4.3-4.4k ohms when the manual says it’s to be 4.7k ohms. Strangely the colour code yellow, white, pink( which must be violet or orange) and gold is as follows-
If the pink is violet the resistance would be 490000k ohms if the pink is orange it would be 49k ohms. So both don’t equal 4.7kohms.
I’m hoping someone with a working system 3 could measure the resistance of that resistor (r18) and tell me if they get between 4.3 ohms and 4.5K ohms in circuit if not what’s does it measure out of circuit?.
Thanks heaps guys.
Adrian
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