Circuit Board Assembly - Tektronix 7B51 Instruction Manual

DELAY AA Circuit Board Assembly
Tektronix Serial/Model No .
Ckt. No . Part No . Eff Disc Description
---------- - ------
*670-1103-00 Complete Board
Bulb
DS490 *150-0057-01 Incandescent 7153AS15, selected
Resistors
Resistors are fixed, composition, ±.-10% unless otherwise indicated.
R490A
R490B
S490'
*670-1103-00 Pushbutton B DELAY MODE
:t0.1 pF
Resistors
'See Mechanical Parts List for replacement parts .
Electrical Parts List-Type 7851
6- 1 7
Resistors are fixed, composition, . L-10% unless otherwise indicated.
R140D
321-0361-00 56.2 W
'/
8 W Prec 1
R1 40E
321-0448-00 453 kQ 1
/
8 W Prec 1
Rl40F 317-0470-00 4712
Y8
W
5%
RI 40G 317-0470-00 4712
1
/8
W
5%
Switch
Wired or Unwired
S140 4 *670-1104-00 Pushbutton SOURCE
SOURCE
*670-1104-00
Circuit Board Assembly
Complete Board
Bulb
DS140
*150-0057-01 Incandescent 7153AS15, selected
Capacitors
Tolerance :20% unless otherwise indicated.
C140C
281-0123-00
5-25 pF, Var Cer
C140E
281-0610-00 2.2 pF Cer 200 V
315-0820-00 8212 '/4 W
5%
315-0201-00 20012
1
/4
W
5
Switch
Wired or Unwired