Tektronix 2235A Instruction Manual page 122

Maintenance
-
2235A Instruction
14.
Turn the instrument bottom side up. Remove the 17.
Lift the front of the Main board slightly and dis-
three screws and hexagonal post spacer that secure connect P2222 and P2223 from their sockets
the Main circuit board to the bottom attenuator
(located at the front of the board).
shield.
15. Remove the screw that secures the rear of the Main 18. Remove the Main circuit board through the bottom of
circuit board to the chassis. the instrument chassis.
16. Remove the two screws that secure the edge of the
Main circuit board to the chassis (located adjacent To reinstall the Main circuit board, perform the reverse of
to the delay line).
the preceding steps.
Scans
by AR TEK MEDL4
=>