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You probably had a capacitor that developed high esr( usually the pump up cap. It's in series between a diode and 2 pins of the ic)which caused the ic to fail and short and took out a resistor.Usually the ic is shorted and will take out a resistor in short order.The capacitor needs to be replaced(probably a 100uf or 220uf) before replacing the ic or it will fail quickly.
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