Pioneer A-550R Service Manual

A-550R. A-450R
3. P.C.BOARDS CONNECTION DIAGRAM
NOTE
1.
This
P.C.B
connection
diagram
is
viewed
from
the
parts
mounted
side.
2.
The
parts
which
have
been
mounted
on
the
board
can
be
replaced
with
those
shown
with
the
corresponding
wiring
symbols
listed
in
the
following
Table.
P.C.B.
pattern
diagram
indication
Corresponding
part
symbol
70504.
Eo oO a or Transistor
E E ;
Q215 Radiator type
+
p203 — 0203
©)
°
o—}tq——0
Diode
R237
6
6
o—Wy—o
{C513 \
Capacitor
fe) oF} -o
~ yz (Polarity)
A csie st o| Po
P.C.B. pattern diagram indication
Variable resistor or
Semi-fixed resistor
Capacitor
(Non-polarity)
3.
The
capactor
terminal
marked
with
©)
(double
circles)
shows
negatine
termianl.
4.
The
diode
terminal
marked
with
©)
(double
circles)
shows
cathode
side.
5.
The
transistor
terminal
to
which
E
is
affixed
shows
the
emitter.
12

Pioneer A-550R Specifications

General

Brand	Pioneer
Model	A-550R
Category	Amplifier
Language	English