Marconi Instruments TF 2337A Instruction Manual page 3

Automatic distortion meter
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Chap.
6,
page
32
Add below
Fuse
FSi
0.2
Aiap
cartridge
2340]
or
0.1
Amp cartridge 23402
Fuseholder
23405
Chap.
6,
page
33
Add below Connectors
J5,
7.
PLA
AC
mains:;^OWer
ii^onpector
23008
Change QA
105 to
read:
QA
105,,,,,,SN.>4Ls6b'':;^^
'.28406
Chap.
6,
page
35
Add
below
S4.
Line voltage selector
23109
CIRCUIT DIAGRAMS
Fig.
7.1
'
Change power supply input circuit
to-
include
Hpe
voltage selector
panel
as
shown 'below:-
'
Selector
range
Line
voltage
50/60HZ
Shorting
Tapping
A
90
no
V
M
-
© ®
,
®
:
B
'
'
i
l0,3
-
127
V'
©-©; ®
>
©
c:
193
237 V
(D-©
®
,
©
D
207
--
'250
V
©-
© ®
.
©
Fig. 7.3
Change QA
105
type
to
74LS00,
Oct.
80
Page
2
of
2

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