HP 6236B Operating And Service Manual page 33

To adapt this manual to Model 6236A or 6237A instruments, make the changes indicated in the table below.
MODEL
6236A
6237A
APPENDIX A
MANUAL BACKDATING CHANGES
SERIAL NUMBERS
ALL
1507A-00141 thru -00350
1436A-00101 thru -00127
ALL
1511A-00101 thru -00170
CHANGE 1 :
Delete R76, R77, and all references to the variable tracking
ratio feature.
CHANGE 2:
Change potentiometers R1 and R41 to 10kΩ panel-mounted
type, HP Part No. 2100-1854.
CHANGE 3:
Delete ferrite bead L3, 9170-0894, from the lead of diode
CR49.
MAKE CHANGES
A-1
1
2
3
1
2