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5-2.
PRINTED WIRING BOARD – MAIN Board –
1
2
3
A
ANT100
(FM/AM ANTENNA)
MAIN BOARD
B
C
C460
CP100
R457
R461
Q453
D
TU100
FM/AM TUNER UNIT
R453
+
C453
C416
1
+
E
R411
1
R410
C413
C412
+
C411
C410
+
18
F
C125
+
C164
13
R103
C109
14
R108
G
R123
1
C121
R122
(CA300)
R121
C120
(CA300)
3
CN300
R120
H
C130
R131
R130
C131
26
D100
C111
R111
I
HP901
PLAYBACK
HEAD
R116
R115
J
C702
(CHASSIS)
2
1
K
4
5
6
CN400
BUS
AUDIO
AUIDO IN
OUT
L
R
L
R
R853
C163
+
R431
24
R433
25
C462
C463
C467
C431
C430
C464
C507
C454
+
C456
C458
R454
R455
R456
R458
R459
R460
Q450
Q451
Q452
D450
R450
R451
R452
Q620
D620
(CA320/CA320X)
+
C451
C452
C505
D630
C450
+
+
R503
C502
C402
C620
C621
R632
+
R633
36
C401
Q630
C503
C622
C426
+
R635
C425
+
IC400
Q621
R634
C424
R421
(CA320/CA320X)
C423
R420
C422
+
19
C421
+
C420
C403
+
C400
R104
C161
R102
+
C160
R41
R362
+
C355
C354
C358
(CA300/CA320X)
C357
+
+
R356
R61
(CA300)
R358
R64
R65
5
4
C356
R63
R62
(CA320/CA320X)
D351
C359
8
1
R76
K
A
IC350
R353
(CA320X)
R360
+
C353
R704
12
CN600
11
A
CONTROL BOARD
(Page 22)
CN900
7
8
9
F901
CN700
C500
(POWER)
19
17
2
IC500
1
9
1
C710
R724
D640
D724
R723
Q722
Q290
R640
Q724
C722
Q291
R641
D290
C640
R728
+
R720
Q721
C290
R642
C721
Q726
C291
C720
R643
+
Q725
Q726
Q720
R290
(CA320/CA320X)
Q640
R725
(CA300)
C504
R502
R21
R208
C82
R26
R27
R25
C21
R23
R107
C22
R106
IC1
R10
R9
R8
X4
R3
R4
C3
R1
C4
R73
R2
R70
C8
S60
R71
R68
FREQUENCY
R72
S60
SELECT
FM
AM
200K
10K
r
r
50K
9K
R67
R12
(CA320/CA320X)
R7
19
19
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
18
3
2
1
8
7
12
C801
16
6
5
4
13
R803
8
R802
14
15
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
2
R650
3
1
R81
D650
IC2
R105
C743
+
R732
Q732
C730
+
Q731
C731
C732
R733
D731
R730
C734
Q730
+
Q734
Q733
D700
TO
CN350
CN350
1
8
1
Q700
Q702
Q703
M
Q704
C750
M901
(CAPSTAN/REEL)
R700
Q750
R703
R705
K
A
D750
R753
11
S1
(RESET)
R607
(CHASSIS)
XR-CA300/CA320/CA320X
13
• Semiconductor
Location
Ref. No.
Location
D100
I-3
D351
H-5
D450
D-5
D620
E-6
D622
E-6
D630
E-6
1
FRONT LCH (+)
D640
D-10
FRONT LCH (–)
2
REAR LCH (+)
D650
G-11
REAR LCH (–)
D700
H-11
3
REAR RCH (+)
D710
D-11
REAR RCH (–)
D720
E-9
4
FRONT RCH (+)
D721
D-8
FRONT RCH (–)
D723
D-8
5
AMP REM (MAX 0.3A)
D724
D-9
ATT
(CA320/CA320X)
D731
H-12
6
ANT REM (MAX 0.1A)
D740
D-10
7
ACC
D741
E-10
D750
J-10
8
GND
D800
E-11
BATT
D801
E-11
D802
E-11
D805
E-11
IC1
H-8
IC2
G-11
IC350
H-4
IC400
E-4
IC500
B-7
IC800
F-11
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-9
Q724
E-8
Q725
E-8
Q726
E-8
Q730
H-11
Q731
H-11
Q732
G-11
Q733
H-11
Q734
H-10
Q740
E-10
Q741
E-10
Q750
J-10
R703
J-10
8
S903
(TAPE DETECT)
(ON : TAPE IN)
S901
(DIRECTION)
REV
m
S902
FWD
(FF/REW)
(OFF : PLAYBACK)
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