Chapter 6 Replaceable Parts; Introduction; Ordering - Marconi Instruments 933D Instruction Manual

Introduction

This chapter lists replaceable parts in alphabetical order of their circuit references.
following abbreviations and symbols are used:
battery
B:
C: capacitor
Carb: carbon
D:
diode
M:
meter
Met: metal
oxide
Ox:
Pics: plastic
R: resistor

Ordering

Orders for replacement parts should be sent to our Service Division at the address on the
back cover of the Instruction Manual. Specify the following information for each part required:
1. Type and serial number of instrument.
2. Circuit reference.
3. Description.
4.
MI code number.
If a part is not listed state its function, location and description when ordering.
Circuit
reference
DI
02
Ml
RI
46882-171 D
Apr. 92
Chapter 6
REPLACEABLE PARTS
s:
switch
SKT:
socket
TR:
transistor
Var:
variable
WW:
wirewound
value selected during test;
normal value listed
w:
watts at 70 0 C
watts at 40 0 C
Description
9 V (Ever Ready PP3 or equivalent)
9 V (Ever Ready PP3 or equivalent)
Plas 330 PF 2% 350V
IN4148
IN4148
f.s.d, 150-0-150 PA
Carb 100 MO 2% IW
Met film 10 MO 1% IW
Met ox 1 MO 2%
Met film 100 kQ 2% {W
Met film 10 kQ 2% {W
The
Ml Code
23721-243
23721-243
26272-083
28336-676
28336-676
44558-411
24681-999
24767-999
24573-145
24773-321
24773-297
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