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PRINTED WIRING BOARD – MAIN Board –
1
2
3
A
ANT100
(FM/AM ANTENNA)
MAIN BOARD
B
DSP100
C
C453
+
L102
C460
R457
R461
Q453
D
TU100
FM/AM TUNER UNIT
D101
A
K
1
A
D100
A
K
C132
JC5
C133
+
C102
C103
C126
R115
+
C135
C139
R119
E
R126
C134
R127
+
Q100
C136
13
C137
C138
C144
R118
C143
R100
C142
R101
R117
C141
24
F
C140
C128
X2
C129
13
C127
14
C414
R125
C122
R410
G
C151
R151
+
R150
C150
C412
C123
C351
1
CN300
R104
3
C350
R105
C109
H
C110
R108
R106
R107
C112
R155
26
C154
C155
I
HP901
PLAYBACK
HEAD
L104
J
C702
(CHASSIS)
2
1
K
4
5
6
CN400
BUS
AUDIO
AUIDO IN
OUT
L
R
L
R
R853
C163
+
R431
24
25
R433
C462
C463
C467
C431
C430
C464
C507
C454
+
C456
C458
R454
R458
R455
R456
R459
R460
Q450
D450
Q452
Q451
R451
R452
Q620
D620
(CA320/CA320X)
D630
C505
C452
+
R503
+
C451
C502
C621
C620
R632
Q104
C402
R633
Q102
Q630
C503
C401
12
C622
+
R635
Q621
JC12
R634
C504
R502
1
Q105
R401
1
24
C425
C424
C119
R421
+
Q106
C423
C118
R420
C413
C421
C411
12
13
JC10
C403
C160
+
+
C164
C400
D104
Q103
C353
+
C355
C352
+
C362
R355
(CA320X)
R75
R352
R359
R351
R76
R357
C358
5
4
R365
(CA300/CA320)
R364
C360
8
1
R61
R366
+
(CA300)
IC350
R358
R64
R63
R62
(CA320/CA320X)
+
C354
D351
R704
12
CN600
11
A
CONTROL BOARD
(Page 22)
CN900
7
8
9
F901
CN700
C500
(POWER)
19
17
2
IC500
1
9
1
R724
D640
D724
D102
R723
Q722
R640
C115
Q724
C722
R641
C640
R728
+
+
R720
Q721
C113
R642
C721
(CA300)
R643
C720
Q101
C120
Q725
Q726
Q720
+
Q640
R725
R120
(CA320/CA320X)
R20
R21
C82
C21
R26
C22
JC7
R22
IC1
R9
X4
R3
R4
C3
R1
C4
R2
S60
R71
C8
FREQUENCY
R72
S60
SELECT
R73
FM
AM
200K
10K
R70
r
r
50K
9K
R67
JC8
R12
R7
(CA320/CA320X)
39
39
10
11
12
6
5
4
CN800
8
7
BUS CONTROL IN
3
2
1
(FOR SONY BUS)
(FRONT VIEW)
TO
9
CN700
10
CN800
11
3
2
1
18
8
7
12
C801
16
6
5
4
13
R803
8
R802
14
15
C710
16
+
L710
TH800
D740
D710
R801
Q740
D801
Q741
D802
D805
C740
D800
D741
IC800
1
14
C800
C742
7
8
R800
R811
R810
L1
Q650
4
3
R650
6
1
R81
D650
IC2
R5
C743
+
R732
R10
Q732
C730
R13
+
Q731
C731
+
C732
R730
D731
Q730
TO
CN350
CN350
1
8
1
Q700
Q702
M
Q703
Q704
C750
M901
(CAPSTAN/REEL)
R700
Q750
D750
R703
R705
K
A
R753
11
S1
(RESET)
R607
(CHASSIS)
XR-CA300/CA320/CA320X
13
• Semiconductor
Location
Ref. No.
Location
D100
D-2
D101
D-2
D102
E-7
D103
E-7
D104
H-6
D351
I-5
1
FRONT LCH (+)
FRONT LCH (–)
D450
D-5
2
REAR LCH (+)
D620
E-6
REAR LCH (–)
D622
E-6
3
REAR RCH (+)
D630
E-6
REAR RCH (–)
D640
D-10
4
FRONT RCH (+)
D650
G-11
FRONT RCH (–)
D700
H-10
5
AMP REM (MAX 0.3A)
D710
D-11
ATT
(CA320/CA320X)
D720
E-9
6
ANT REM (MAX 0.1A)
D721
E-8
7
ACC
D723
E-8
D724
D-9
8
GND
D731
H-12
BATT
D740
D-10
D741
E-10
D750
J-10
D800
E-11
D801
E-11
D802
E-11
D805
E-11
IC1
H-8
IC2
G-11
IC3
F-3
IC350
I-5
IC400
G-4
IC500
B-7
IC800
F-11
Q100
E-2
Q101
E-7
Q102
E-7
Q103
H-6
Q104
E-7
Q105
F-6
Q106
G-6
Q450
D-4
Q451
D-4
Q452
D-5
Q453
D-3
Q620
D-5
Q621
F-6
Q630
E-6
Q640
E-10
Q650
G-11
Q700
I-11
Q702
I-10
Q703
I-11
Q704
I-10
Q720
E-9
Q721
E-9
Q722
E-8
Q724
E-7
8
Q725
E-8
Q726
E-8
Q730
H-11
Q731
H-11
S903
(TAPE DETECT)
Q732
G-11
(ON : TAPE IN)
Q740
E-10
S901
Q741
E-10
(DIRECTION)
Q750
J-10
REV
m
S902
FWD
(FF/REW)
R703
J-10
(OFF : PLAYBACK)
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