Read Sony XR-4750RDS / XR-C450RDS Service Manual online
XR-4750RDS/C450RDS
5
5
2-4.
SCHEMATIC DIAGRAM – MAIN Board (2/3) –
R303
R355
R501
D350
R407
JC58
JC74
JC56
C304
C303
C301
C401
C402
C403
R305
C302
C350
C404
R403
R549
R551
R548
R354
C354
C356
R352
R307
JC17
R308
C310
JC18
C309
C305
R408
JC76
IC360
C362
C363
C365
CN352
D361
C366
Q362
R361
JC75
JC36
R362
R363
C367
D362
R365
R364
Q365
Q364
C408
C504
C503
R511
R509
JC54
R508
R507
C501
C502
R546
R521
R545
R522
R523
R524
R525
R526
R510
D504
D506
C505
C405
R353
C353
C351
C357
C409
R516
R517
R515
R539
JC81
L501
C308
C410
Q361
M901
R506
C507
X501
R505
X502
CN351
R351
R550
R304
JC15
JC16
R404
R405
JC77
JC52
R512
R533
JC22
JC70
JC24
R514
R537
R538
R513
R531
IC501
IC351
R306
R406
R574
R573
R535
R518
R570
R571
R572
R540
R536
15k
22
100k
MA111
2.2k
0
0
0
0.01
330p
1000p
1000p
330p
330p
330k
330p
22
16V
0.01
15k
10k
10k
10k
15k
0.01
0.1
220k
2.2k
0
10k
2200p
0
1000p
0.22
10k
0
MM1322XFBE
0.1
0.1
10
16V
13P
MA8100-L
10
16V
XN1A312
1k
0
0
4.7
4.7
220
16V
16V
1SS119
4.7k
10k
DTC114EKA
2SB1132-R
1
50V
22p
18p
100k
1k
0
2.2k
1k
100
10V
10V
1
100k
100k
100k
100k
100k
100k
100k
100k
100k
MA152WA
1SS119
0.1
0.22
4.7k
0.47
50V
100p
100
10V
10V
1000p
1k
1k
1k
10k
0
1
50V
2200p
2SD1802FAST
(CAPSTAN/REEL)
330k
0.1
8MHz
1k
32.768kHz
7P
18k
10k
22k
0
0
22k
330k
0
0
100k
100k
0
0
0
1k
100k
100k
100k
100k
CXA2509AQ
470
470
100k
100k
100k
100k
100k
100k
100k
100k
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
ON1
ON4
CPU1
CPU2
CPU3
MODE1
MD8
MD7
MD6
MD8
RDS1
CPU4
CPU6
CPU7
ON3
PLL1
MD10
MD11
MD12
MD13
ON5
M
O
D
E
2
M
D
6
M
D
7
M
D
5
M
D
4
M
D
3
M
D
9
P
L
L
2
P
L
L
3
P
L
L
4
M
D
2
MD2
MD4
MD5
LCD1
LCD2
LCD3
LCD4
M
D
1
ON2
MD3
MD1
MD14
AD0
AD1
RDS2
DBB
DBB
DS
DS
KS
KS
MD9
MD14
MD10
MD11
MD13
MD12
DATA
CE
CLK
T
M
P
W
IL
L
T
U
1
TU3
T
U
2
TU6
R
E
S
E
T
B
U
S
O
N
1
2
3
4
5
6
7
1
2
3
4
5
6
7
UNISO
UNISI
UNICLK
*
R-L(CH)
R-R(CH)
F-R(CH)
GND
F-L(CH)
R(CH)-COM
L(CH)-COM
C-MOTOR
GND
LM+
LM-
POS2
POS1
POS3
GND
POS4
AUTO.MTL
REEL1
REEL2
+B(8.5V)
GND
IN2
VCC
IN1
GND
OUT1
VS
OUT2
TAPE EQUALYZER AMP/
DOLBY NR AMP
LOADING/TAPE
OPERATION MOTOR DRIVE
SYSTEM CONTROLLER
Q364,365
CAPSTAN/REEL
MOTOR DRIVE
REGULATOR
(TAPE ON)
Q362
REGULATOR CONTROL
SWITCH
TAKE-UP/SUPPLY
REEL SENSOR
LOADING/TAPE
OPERATION
OPERATION
(METAL DET)
(TAPE DET)
ROTARY
SLIDE
SWITCH
MECHANISM BLOCK
L
R
L
R
FWD
REV
HP901
(PLAYBACK)
TAPE
-1
-2
(AEP,UK)
(German)
MN1886426S4H
MN1884820S4G
(C450RDS)
(4750RDS)
(4750RDS)
(4750RDS)
(C450RDS)
(4750RDS)
22k
100k
*
R535
(4750RDS)
10
µ
H
(Page 4)
(Page 6)
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