Tektronix 434 - Page 125

Electrical Parts List— 434/R 434
A3 VERTICAL MODE SWITCH Circuit Board Assembly (cont)
Te ktro nix S e ria l/M o d e l No.
Ckt. N o.______________Part N o. Eff________________Disc ___________________________ Description
Switches
W ired or Unwired
S8A \
S8B )
260-1227-00
Push-push
AC/DC
GND
S18A )
S18B )
260-1227-00
Push-push
AC/DC
G ND
S45A-E
260-1230-00
Pushbutton VERTICAL MODE
ATTENUATOR Circuit Board Assembly
*672-0019-00
Complete Board
includes:
A1
*670-1357-00 INPUT AMPLIFIER
Circuit Board Assembly
A2 *670-1365-00
VERTICAL AMPLIFIER Circuit Board Assembly
A4 CAM SWITCH Assembly CHI
A5
CAM SWITCH Assembly CH2
A4 CAM SWITCH ASSEMBLY CHI
Capacitors
Tolerance ± 20% unless otherwise indicated.
Cl 06 *307-1010-00 2X Hybrid
Cl 07 *307-1010-00 2X Hybrid
C110 *307-1012-00 5X Hybrid
c m *307-1012-00 5X Hybrid
Cl 14 *307-1013-00 10X Hybrid
Cl 15 *307-1013-00
10X Hybrid
Cl 18
*307-1014-00 100X Hybrid
Cl 19 *307-1014-00 100X Hybrid
Resistor
Resistors are fixed, composition, ± 1 0 % unless otherwise indicated.
R245 *311-1125-00 250 Q, Var
Switch
W ired or Unwired
S1001 *105-0227-00
Cam CHI VOLTS/DIV
'Sc * M ech a n ical Parts List fo r rep lacem ent pa rts.