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Pioneer F-449 Service Manual page 13

Fm/am digital synthesizer tuner

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1
I
NOTE
1. This P.C.B connection diagram is viewed from the parts mounted side,
2. The paris 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 symbo!
70504
fo
0
6
or
Transistor
e215
oo
oO
=
0203
oO
R237
y
Capacitor
(Polarity)
=
Se
sh
P . C . B .
pattern diagram indication
Variable resistor or
Semi-fixed resistor
elo
a
3.
The capacitor terminal marked with@(double circles) shows negative terminal.
4.
The diode terminal marked with
@ (double circles) shows cathode side.
5.
The transistor terminal to which E is affixed shows the emitter,
2
l
3
4.
P.C. BOARDS CONNECTION DIAGRAM
POWER
ASSEMBLY
(AWZ 3649 : HEWZ )
(AWZ 3653 : HE, HB )
VOLTAGE
SELECTOR
AC POWER CORD
AC230/240V
50/60Hz
DISPLY
ASSEMBLY ( AWP1036)
TUNER
ASSEMBLY
OUT PUT
(AWZ 3643 : HEWZ)
(AWZ3647 : HE, HB)
T 400mA
stil
DOWN.

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