Tektronix 434 - A8 HORIZONTAL Circuit Board Assembly

Electrical Parts List— 434/R 4 34
A6 TRIGGER SOURCE SWITCH Circuit Board Assembly (cont)
T ektro n ix S e ria l/M o d e l N o .
Ckt. N o. ______________ Part N o. Eff ________________ Disc ____________________________ D escription
Switches
W ired or Unwired
S70
S72A \
S72B )
260-1224-00
260-1228-00
Push-push EXT ATTEN
Pushbutton TRIGGER SOURCE
A7 TRIGGER COUPLING SWITCH Circuit Board Assembly
*670-1363-00 Complete Board
Capacitors
Tolerance ± 2 0 % unless otherwise indicated.
C72
283-0006-00
0.02 /<F Cer 500 V
C74
283-0128-00
lOOpF Cer 500 V
5%
C76
281-0510-00
22 pF Cer
500 V
Resistors
Resistors are fixed, com position, ± 1 0 % unless otherwise indicated.
R74 315-0104-00 10 0 kn ’/„ W
R76 315-0563-00 56 kn '/, W
5%
5%
Switches
W ired or Unwired
S74
S75A )
S75B )
260-1224-00
260-1226-00
Push-push A C /D C (TRIGGER COUPLING)
Push-push LFREJ/HFREJ (TRIGGER
COUPLING)
A8 HORIZONTAL Circuit Board Assembly
*670-1359-03
Complete Board
Capacitors
Tolerance ± 2 0 % unless otherwise indicated.
C602
283-0003-00
0.01 mF
Cer
150 V
C604
283-0003-00
0.01 ix F Cer 150 V
C605
283-0080-00
0.022 /iF
Cer 25 V
C614 283-0003-00 0.01 (x F Cer 150 V
C622
283-0003-00
0.01 tx F
Cer
150 V
® 7-1 5