HP 8112A Operating, Programming And Servicing Manual page 395

MODEL 8112A
On page 1 0. 1 -5, Instrument Overview and Troubleshooting Guide
RAM Test
EOl
delete: U l 1
Timing Tests
E 1 2
change to read:
... Possible failure of Delay control circuit U5, U7, Error
feedback U 1 40, level shifter Q200 or Period IC U200 . ...
E 1 3
change to read:
. .. Possible failure of Width control circuit U6, U8, Error
feedback U 1 4 1 , level shifter Q220, Period IC U200 or
DelayIC U220 . ...
E 14
change to read:
... Possible failure of Slope control circuit U 1 2, U 1 3, U14 or
U302, Slope range switching circuit Q305 to Q309, U300,
reference circuit U320, Period IC U200, Delay IC U220 or
Width IC U240 . ...
1 0. July 1 996
Page 1 3 of 1 6