Pioneer A-209R - Page 7

A-209R, A-209
7
A
B
C
D
5
678
5
6
7
8
+BL
SP-A
SP-B
POWER AMP
WRLC
39dB
FUNC
MUTE
DIRECT
ON/OFF
TONE
AND
BALANCE
DIRECT ENERGY MOS
PROTECTION RY
UNUSUAL
OUTPUT
DETECTION
–BL
+BH
+19
–15
TO POWER STAGE
TO VOLTAGE STAGE
TO µ-COM
TO OP AMP
RY
LED
+ 6
–BH
Q507 Q509
Q303
IC301
Q309–Q330
RY401
RY402
RY403
D451
401
H.P
JA501
S801 FU1T1
D452–D455
IC453
IC451
Q451
Q452
IC452
IC751
VR751
VR752
VR601
F
Q331, Q327, Q328
Q505
REGULATOR
CN501 CN203
8
CN50276
8
J37
7
6
6
J551
1
J551
1
B
HEADPHONE ASSY
A
VOLUME ASSY
E
FRONT L ASSY
C
AC PRIMARY ASSY
D
AF ASSY
D
AF ASSY