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I opened my good unit to get the values. I measured R7, the read value on the meter is 15.1 ohms. For Q1 the transistor number is SS8550, PNP 25V 1.5A TO-92. Available at Digi-Key part # SS8550DBU-ND. The resistor part # is PPC15BCT-ND. The unit works fine.
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