Sansui A-M90 Service Manual page 4

Integrated servo amplifier
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CAUTION
1
The
symbols, UL,
CSA,
BS, UK, EU,
AS
and
XX
on
the parts
list
and
the
schematic diagram
mean
followings respectively.
UL
Manufactured
for
U.S.A
market.
(Underwriters Laboratories
approved
model.)
CSA
Manufactured
for
Canadian
market.
BS,
UK
Manufactured
for
United
Kingdom
market.
EU
Manufactured
for
European
market.
AS
Manufactured
for
Australian
market.
XX
Standard
Version.
NON MARK
Common
Parts.
2.
Some
printed
circuit
boards
are not supplied as the
assembled.
To
separate these
in
this
service
manual,
the stock
No's
are not
in-
dicated
at
the
ends
of
the
board
names. However,
the
individual parts
on
the
circuit
boards
are provided
by
orders.
3.
Since
some
of
capacitors
and
resistors
are omitted
from
parts
lists
in
this
service
manual,
refer to
the
Common
Parts
List
for
capacitors
&
resistors,
which
was
issued
on
February
1983.
4.
Abbreviations
in
this
service
manual
are as
follows.
•Abbreviations
List
C.R.
:
Carbon
Resistor
S.R.
:
Solid Resistor
Ce.R.
:
Cement
Resistor
M.
R.
:
Metal Film Resistor
F.R.
:
Fusing
Resistor
N.
I.R.
:
Non-Inflammable
Resistor
A.R.
;
Array Resistor
C.C.
:
Ceramic
Capacitor
C.T.
:
Ceramic
Capacitor,
Temoerature Compensation
E.C.
:
Electrolytic
Capacitor
E.L.
:
Low
Leak
Electrolytic
Capacitor
E.B.
:
Bi-Polar
Electrolytic
Capacitor
E. B.L.
:
Low
Leak
Bi-Polar
Electrolytic
Capacitor
Ta.C.
:
Tantalum
Capacitor
F.
C.
:
Film
Capacitor
M.P.
:
Metalized
Paper
Capacitor
P.C.
:
Polystyrene Capacitor
G. C.
:
Gimmic
Capacitor
A.C.
;
Array Capacitor
V.R.
:
Variable Resistor
S.V.R.
:
Semi
Variable Resistor
SW.
:
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