HAFLER DH220 DH500 P225 P230 PC-19 QUICK REPAIR KIT. THIS KIT CONTAINS EVERY DIODE AND TRANSISTOR USED ON ONE PC-19 DRIVER BOARD. ENOUGH TO REPAIR ONE CHANNEL. (D1 THRU D16 AND Q1 THRU Q13 --- 29 SEMICONDUCTORS TOTAL) INPUT DEVICES ARE SCREENED FOR NOISE, AND BETA IS MATCHED FOR LOW OFFSET AND DISTORTION CHARACTERISTICS. KIT COMES WITH PC-19 PICTORIAL AND INSTRUCTIONS SHOWING DEVICE LOCATION AND ORIENTATION.
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DON'T FORGET TO ADJUST BIAS AND CHECK OFFSET AFTER REPLACEMENT.