Contents - Pioneer A-550R/HE Service Manual

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PIONEER'
The
Art of Entertainment
Service
c7 Manual
;
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O
a a
ch
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The above
illustration
shows
the
model A-550R.
STERO
AMPLIFIER
A-550R
**
£3
^3 §3
A-45QR
ORDER
NO.
ARP2305
A
- 550R,
A - 550R -
S
AND A
-
450R HAVE
THE FOLLOWING
:
Type
Model
Power
Requirement
Remarks
A-550R
A-550R-S
A-450R
HE
O
—
O
AC220V
—
230V, 240V
(Switchable)*
HEWZ
O
O
O
AC220V
- 230V, 240V
(Switchable)*
*
Change
the connection
of the power
transformer's primary wiring.
'
t
T
ypes
manUal
'
S aPPKCable
t0 the
A
" 550R/HE
'
HEWZ
'
A
-
550R - S/HEWZ,
A - 450R/HE
and
HEWZ
•
The
A-550R-S
is
the
same
as the
A-550R
except
for color.
•
Ce manuel
pour
le
service
comprend
les
explications de
rSglage
en
fran9ais.
Este manual
de
servicio trata del mStodo
ajuste escrito en
espahol.
CONTENTS
1.
EXPLODED
VIEWS,
PACKING AND
PARTS
LIST
2.
SCHEMATIC DIAGRAM
3. P.C.
BOARDS CONNECTION DIAGRAM
4.
PCB's PARTS
LIST
5.
ADJUSTMENT
5.
REGLAGE
5.
AJUSTE
6.
PANEL
FACILITIES
7.
SPECIFICATIONS
28
29
30
31
33
™?
P
9?
AT,0N
4
'
1,
Me9uro
1
Ch
°
me
Meguro-ku, Tokyo
153,
Japan
~
diomccd
SI
^™
CE
INC
'
R0
-
Box
1760
'
Lon
9 Beach,
California 90801
U.S.A.
PIONEER ELECTRONIC
[EUROPE
L3R 8E3
CM
^^|
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one
l
er
t
electr<^ic
l
'co^p
l
o11at?on
reST
RoM
Brae
* te
Vi
"
,ia
3,95 Aus
"'
TEL:
1031
58 °-
9m
DX
JULY
1991
Printed
in