Read Sony XR-4750RDS / XR-C450RDS Service Manual online
XR-4750RDS/C450RDS
4
4
2-3.
SCHEMATIC DIAGRAM – MAIN Board (1/3) –
R219
R119
JC29
X1
R203
R202
R5
JC38
R621
R615
R614
R583
C115
CP1
C1
C2
C3
JC8
JC10
C5
C4
C6
R18
R2
R3
C9
JC11
JC50
R1
R19
D2
C34
R8
L2
C19
C18
L1
C24
C25
R11
R9
C15
JC9
IC1
R102
Q101
Q201
C152
C153
C203
C28
C29
C30
C31
X2
R17
R16
C26
IC3
L4
C111
C113
C112
C114
C118
C116
C119
R103
JC68
JC59
C157
C158
C213
C218
C214
C212
C216
C215
Q2
C16
JC5
C22
C23
R14
C155
C219
C123
C223
D151
D152
C14
C12
C11
D3
C17
C506
C211
IC151
C101
C201
R201
R101
R151 C151
C121
R105
Q103
C220
R204
R104
C120
R205
C221
Q202
R211
R210
Q102
Q203
R208
R108
R110
R112
R212
R213
C584
R585
R113
R111
C583
C582
D4
R582
JC40
R627 R626 R625 R624
D601
R609
D150
D652
C614
D653
C618
R613
R612
R562
D609
D610
C650
CN602
D501
Q501
JC27
JC63
D583
JC31
D584
JC66
R584
Q603
Q605
C601
JC28
Q581
JC20
JC23
J1
R528
R4
RV1
C124
R118
C21
C20
D616
D617
D615
D614
D613
D612
D611
R544
JC62
D651
C615
R660
JC72
D661
D660
D662
C660 R661
JC51
CNJ150
JC69
C222
C122
JC60
JC30
JC67
Q3
Q503
R7
R6
C13
TU1
JC14
C102
C103
C35
C32
JC7
C36
R15
C202
JC21
R109
R209
R218
C224
JC57
10k
10k
0
7.2MHz
3.3k
33k
47
0
100
10k
10k
47
0.15
22p
1000p
10 16V
0
0
10 16V
10 16V
0.01
1k
4.7k
10k
1000p
0
0
1k
10k
SB02W03C
100p
100
100p
0.01
18p
18p
1k
2.2k
100
10V
10V
0
TB2114F
33k
DTC314TK
DTC314TK
0.047
0.022
1
50V
10 16V
0.01
15p
12p
4.332MHz
2.2M
8.2k
470p
TDA7330BD
1
50V
1
50V
3300p 0.022
10
16V
0.15
10
16V
3.3k
0
0
100
10V
10V
0.01
1
50V
10
16V
0.022
3300p
0.15
0.15
2SC2412K-QR
0.047
0
0.1
100
16V
16V
2.2k
22 16V
10
16V
100p
100p
MA8180-M MA8180-M
2200p
0.47
100p
MA8100-L
0.1
50V
0.01
1
50V
LC75373ED
0.022
0.022
4.7k
4.7k
4.7k
0.47
10
16V
DTC314TK
10
16V
470
470
10 16V
470
10
16V
DTC314TK
15k
15k
DTC314TK
DTC314TK
15k
15k
15k
2.2M
2.2M
2.2M
47p
100k
2.2M
15k
47
16V
2.2
50V
50V
MA8062-M
1k
0
1.5
1.5
1.5
1.5
MA8120-M
330
MA8180
-M
MA8240
100p
CH
MA8075-M
0.01
100
100
100k
MA8062-M
MA8062-M
3300
16V
12P
MA8039
XN1A312
0
0
MA111
0
MA8039
47k
2SD2137-OP
XN1A312
0.22
0
XN1A312
0
0
100k
100k
220k
10
25V 3.3k
100p
100p
MA8062-M
MA8062-M
MA4068-M
MA4068-M
MA4180-M
MA4068-M
M
A4068-M
1k
0
MA8240
100p
1k
0
MA111
MA8062-M
MA8062-M
0.1
2.2M
0
0
100p
100p
0
0
0
IMD3
2SC2412K-QR
12k
15k
0.022
0
1 50V
1 50V
0.01
1
50V
0
100p
10k
1 50V
0
15k
15k
3.3k
10 25V
0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
B1
B2
B3
B4
B5
B6
B7
B8
B10
B11
B13
B12
PLL1
PLL2
PLL3
PLL4
TU1
TU2
TU3
TU6
CE
DATA
CLK
RDS2
RDS1
ON2
LCD1
LCD2
LCD3
LCD4
AD0
AD1
ON5
CPU7
ON1
ON4
Z3
Z4
Z5
Z6
Z3
Z4
Z5
Z6
TM
PW
ILL
VCC
CE
DATA_IN
CLK
DATA
OUT
DX /LO
A.GND
RF
VT
D.GND
VDD
IF.IN
FM.IFRQ
SR
FM.VCO
AM.VCO
FM.CPOUT
AM.CPOUT
XI
XO
MUX
VREF
CMP
FO
GND
T1
XO
XI
T57
RCLK
RDATA
QUAL
ARI
VDD
T2
RESET
(CHASSIS)
ELECTRICAL VOLUME
RDS DECODER
FM/AM PLL
REGULATOR
(FOR FM/AM PLL)
Q2
Q503
SIGNAL
BUFFER
METER
Q101,201
TUNER MUTE
TUNER MUTE
CONTROL SWITCH
Q501
LINE MUTE
CONTROL SWITCH
Q202,203
LINE MUTE
LINE MUTE
Q603
REGULATOR
(FOR ILLUMINATION)
Q605
REGULATOR CONTROL
SWITCH
FM/AM
ANTENNA
(CHASSIS)
L
R
L
R
LINE OUT REAR
BUS AUDIO IN
-1
-2
-2
-1
-2
-1
Q102,103
-2
-1
B+ SWITCH
ANT-AM
ANT-FM
GND-RF
VOC
GND-VOC
+8V-FM
+8V-TU
+8V-AM
IFC-AM
AM-DET
VT
LO/
DX
SEEK
IF-AM
ST
FM-DET
RCH-OUT
GND-AF
LCH-OUT
S-METER
SD
IFC-FM
FM/AM TUNER UNIT
(C450RDS)
(C450RDS)
10
µ
H
10
µ
H
10
µ
H
ORIGINAL
SERVICE
MANUAL
MANUAL
Page 28
ORIGINAL
SERVICE
MANUAL
MANUAL
Page 28
ORIGINAL
SERVICE
MANUAL
MANUAL
Page 32
(Page 5)
(Page 6)
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