Pioneer XC-LA21 Service Manual page 9

5
: AUDIO SIGNAL ROUTE (RF/CD)
(T)
: AUDIO SIGNAL ROUTE (TUNER)
(AM)
: AUDIO SIGNAL ROUTE (AM)
(FM)
: AUDIO SIGNAL ROUTE (FM)
(AU)
: AUDIO SIGNAL ROUTE (AUX)
(PH)
: AUDIO SIGNAL ROUTE (PHONES)
CN13
(3P)
(FM)
(T)
TUNER-L
1 FM-IN 17 1
TUNER-L
TUNER-R
3
IC101
LA1837NZ
(AM)
27 AM-RF 16
TUNER-R
CN206
(16P)
L-CD
11
R-CD
13
+TUNER9V
1
2
3
4
8
9
10
11
CN11
(14P)
5
6
M-LA21
From
CN22
XC-LA21 (8P)
L
5 7
R 3 1
IC504
BA4558N
C
CN208
AUDIO ASSY
(3P)
(T)
1
3
CN202
(T)
14
(16P)
11 15 13
13 (AU)
4
5
2 3
11
BU4052BC
SELECTOR
9V
3
3
D301-D304
9V
+TUNER9V
1 4 2
IC301
+M9V
2
9V REG.
+CD9V
3
+MCU9V
4
5V
8
AC3.8V
9
AC3.8V
10
-24V MCUAC
5V
3 1
11
CN301
IC302
(14P)
5V REG.
E
RECT ASSY
6
7
L-CH
R-CH
2 4
CN604
SN602
(7P)
(8P)
7 7 18 14
22 15
5 5
IC601
STK411-230 PLY-DPDT
POWER AMPLIFIER
D
AUX ASSY
CN203 J201
(13P) (13P)
(AU) (AU)
7 7 5
9 9 3
(AU) (AU)
12 12
13 13
9V
10 10
9V
CN204
(3P)
1 3
1 3
CN208
IC202 (3P)
BH3854AFS
31 24
2 9
IC201
TF302
CN302 SN302
POWER
(12P) (12P)
IC303 TRANSFORMER
1 1
2 2
AC24V
6 6
IC304
7 7
AC3.8V
8 8
IC305
AC3.8V
9 9
IC307
10 10
TF303
POWER
TRANSFORMER
F
TRANS ASSY
7
8
XC-LA21
CN20
(6P)
(PH)
3
PHONES
JK503
5
WH602 LK501
(4P) (4P)
1 1
L
4 4 SPEAKER
OUT
RL601
R
IC901
BA4558N
BUFFER
L
7
(AU)
AUXOUT
R
1
(AU)
L
AUXIN
R
L
To M-LA21
Q908
R
Q909
F306
LIVE
500mA/250V
NEUTRAL
AC IN
8
A
B
C
D
9