Electrical Parts List— 434/R434
A14 Z AXIS Circuit Board Assembly (cont)
Tektronix Serial/Model No.
Ckt. No.
_____
______
Part No. Eff
_____________
Disc
_______________________
Description
T920 *120-0721-00
Transformer
Pot core
Integrated Circuit
U940 *155-0051-00 Monolithic, Z-axis & HV regulator
A15 UPPER STORAGE SWITCH Circuit Board Assembly
*670-1524-00 Complete Board
Switches
Wired or Unwired
S90A1 /
S90B1 \ *670-1524-00 Push-push UPPER SCREEN
S90C1 )
A16 LOWER STORAGE SWITCH Circuit Board Assembly
*670-1525-00 Complete Board
Switches
Wired or Unwired
S92A1 )
S92B1 > *670-1525-00 Push-push LOWER SCREEN
S92C1 )
A17 STORAGE Circuit Board Assembly
*670-1523-00
Complete Board
Capacitors
Tolerance ±2 0% unless otherwise indicated.
Cl 200 283-0003-00
0.01 /xF
Cer
150 V
Cl 202
290-0529-00 47 fxF Elect.
20 V
Cl 206
283-0000-00
0.001 fiF Cer 500 V
Cl 208
283-0000-00
0.001
Cer
500 V
021 4 283-0167-00 0.1 fxF Cer 200 V
10%
’See Mechanical Parts List for replacement parts.