Quick PK-4 kit resistance / voltage checks  
9/15/2008, Chuck Olson, WB9KZY, Jackson Harbor Press

measurements made with a Harbor Freight DVM

Resistance checks, made with power off, chip removed from socket, on 200k ohm range

socket pin #	resistance
1		open (infinite) after caps are charged
2		depends on pot setting, from 1k to over 90k ohms
3		open (infinite)
4		open (infinite)
5		open (infinite)
6		open (infinite)
7		open (infinite)
8		zero


Voltage checks, power on, chip installed, on 20 volt range

socket pin #	Voltage
1		5.00
2		0
3		0
4		4.95
5		0
6		4.96
7		4.84
8		0