Tektronix 434 - Page 194

Mechanical Parts List— 434/R434
FIGURE 2 CHASSIS, REAR & STANDARD ACCESSORIES (cont)
Fig. & Q
Index Tektronix Serial/Model No. t
No.
Part No.
Eff
Disc
y
2-156 131-1031-00
8
-157
670-1357-00 1
388-1916-00
1
-158 131-0589-00 8
-159 136-0252-04 18
-160 136-0263-03 2
-161 337-1415-00 1
-162
211-0116-00
2
-163
388-1915-00
2
-164
441-0984-00 2
-165
129-0299-00
4
-166 210-0004-00
4
-167 211-0001-00 3
210-0053-00 3
-168 210-1134-00 3
-169
136-0252-04
48
-170
131-0590-00
2
-171 131-1030-00 16
131-1031-00 16
210-0779-00 16
-172 337-1406-00
2
-173
354-0391-00
2
-174
401-0081-02
2
210-0591-00
4
-175 214-1127-00
4
-176 214-1139-001
-
214-1139-021
-
214-1139-031
-
-177 105-0227-00
2
-178 401-0113-01
2
210-0591-00
4
-179
2
-180 211-0062-00
2
-181 210-0001-00
2
-182 210-0405-00
2
Description
2 3 4 5_______________________________________
CONTACT ASSEMBLY, top
CIRCUIT BOARD ASSEMBLY—INPUT AMP A1
circuit board assembly includes:
CIRCUIT BOARD
TERMINAL, pin, 0.50 inch long
SOCKET, pin connector
SOCKET, terminol pin
SHIELD, electrical, circuit board
mounting hardware: (n o t in c lu d e d w/c/rcu/f b o a r d a s s e m b ly )
SCREW, sems, 4-40x0.312 inch, PHB
CIRCUIT BOARD, ATTENUATOR (CH 1-A4, CH 2-A5)
CHASSIS
mounting hardware for each: ( n o t i n c l u d e d w/ch a ss is)
POST, hex., 4-40x0.188x0.333 inch long
WASHER, lock, internal, 0.12 ID x 0.26 inch OD
SCREW, 2-56x0.25 inch, PHS
WASHER, lock, split, 0.092 ID x 0.175 inch OD
WASHER, flat, 0.09 ID x 0.25 inch OD
SOCKET, pin connector
TERMINAL, pin, 0.71 inch long
CONTACT, electrical
CONTACT ASSEMBLY, top
RIVET, 0.108 inch long
SHIELD, electrical contact
RING, retaining
BEARING, front
mounting hardware for each: ( n o t in c lu d e d w /b e a r i n g )
NUT, hex., 4-40x0.188 inch
ROLLER, detent
SPRING, flat, gold
SPRING, flat, green
SPRING, flatbed
DRUM, cam switch
BEARING, rear
mounting hardware for each: ( n o t in c lu d e d w / b e a r in g )
NUT, hex., 4-40x0.188 inch
RESISTOR, variable
mounting hardware for each: ( n o t in c lu d e d w / r e s is t o r )
SCREW, 2-56x0.312 inch, PHS
WASHER, lock, internal, 0.092 ID x 0.18 inch OD
NUT, hex., 2-56x0.188 inch
‘Replace only with part bearing th« tame color code a t the original part in your imtrument.
9-14