Racal Instruments 1994 Service Manual page 6

Universaltimer/counters
Table of Contents

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12.
Page
8-3,
Chassis
Assy
Parts
List,
404391
a.
Add
Lem
9,
RI P/N
R-
18-
1239, Screen,
FSC
21793,
Manufacturer's
P/N
R-
18-
1239.
b.
Revision
letter
is
now
"F".
13.
Page
8-18,
BNC
Assy
Parts
List,
401762
a.
Change
Item
20
to
RI
P/N
601970,
Terminal, Feed-thru,
Insulated,
FSC
98291,
Manufacturer's
P/N
011-2103-000-
479.
b.
Revision
letter
is
now
"F".
14.
Page
8-20, Oscillator
Assy
Parts
Lists,
404397
a.
Change Item
1
to
RI P/N 92
1
124,
Oscillator,
5MHz,
Fallout,
FSC
21793, Manufacturer's
P/N
921124.
b.
Revision
letter
is
now
"C".
15.
Page
8-2
1
,
Cable
Assy,
Oscillator, Parts
List,
40469
a.
Change
Item
22
to
RI
P/N
602094-900,
Polarization Plug,
FSC
22526, Manufacturer's
P/N
65307-001.
b.
Change
Item 23
to
RI
P/N
611311,
Terminal,
Crimp,
FSC
22526, Manufacturer's
P/N
48251-000.
c.
Change
Item
24
(J14) to
RI P/N
602193-005, Connector,
Cable,
Recept.
5-Pin,
FSC
22526, Manufacturer's
P/N
65039-
032.
d.
Revision
letter
is
now
"E".
16.
Page
8-23,
Option
41,
Channel
C
Parts
List,
404398
a.
Change
Item 7
to
RI P/N 616315,
Screw,
Metric,
M3X6(2
Required).
b.
Revision
letter
is
now
"B"
17.
Pages 8-24
to
8-26,
Channel
C,
PCB
Parts
List,
404389
a.
Change
C19
and
C46
to
RI P/N
R-21-1779,
Cap
Chip,
2.2
PF,
50V,
-f/-.25
PF,
FSC
95275, Manufacturer's
P/N
VJ1206A2R2CXA.
b.
Change
D8
and
D9
to
RI
P/N
210090, Diode,
Silicon,
FSC
50434, Manufacturer's
P/N
5082-2800.
c.
Change IC3
to
RI P/N
R-22-5155,
IC,
AB6456A,
FSC
21793,
Manufacturer's
P/N
R-22-5155.
d.
Change
Q4
to
RI P/N
R-22-6278,
Transistor,
AT-42035,
FSC
24539, Manufacturer's
P/N AT-42035.
e.
Change
R36
to
RI P/N
R-20-5763, Cap,
Chip, 18
Ohm,
1/8
W,
5
pet,
FSC
65940,
Manufacturer's
P/N
MCR18-18 Ohm-5
pet.
f.
Revision
letter
is
now
"H
".

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