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Pioneer A-449 Service Manual page 44

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1
versions, HE or HEWZ.
e 26 for details.
rocco
TI
POWER
TRANSFORMER
24ov pF
220V
LED ASS'Y
SHIELD
HEADPHONE
ASS'Y
ANAL
2
0
"3NI
Q224
Q220
oze2 2204
Q232
Q202
Q302
Q206
Q205
Q30!
Q201
Q23!
Q203
Q221
Q219
Q223
Q303
Q304
Q307
Q306
Q305
PUXKY/
1. This P.C.B connection diagram is seen from the parts mount side.
2. The parts mounted on to the P.C.B can be replaced with those
shown in the following correspondence table with wiring marks.
Indication of the
P.C.B. pattern
0504.
°
transistor
Ic10l
Condenser
rox
(Polar type)
Condenser
(Non-polar type)
Others
aniable resistor or
semi-fixed resistor
D
3. The condenser terminal marked with double circles (©) represents
=
(~) terminal.
'
4. The diode terminal marked with double circles (©) foereeenie the
cathode side.
5. The transistor terminal marked with "E" represents an emitter.
29
ar

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A-449-sA-339A-339-s