Sony XR-4750RDS Service Manual page 42

XR-4750RDS/C450RDS
Q Q
3 7 6 3 1 5 1 5 0
2-3. SCHEMATIC DIAGRAM – MAIN Board (1/3) –
FM/AM TUNER UNIT
J1
CP1
FM/AM
ANTENNA
C1
22p
C2
1000p
C3 JC8
10 16V 0
(CHASSIS)
C4 10 16V
C5 JC10
10 16V 0
C6 0.01
C34 R8
100p 100
D2
SB02W03C
R19
10k
JC38 R6 R7
0 15k 12k
T E
L 1 3 9 4 2 2 9 6 5 1 3
C13
0.022
JC5
0
R5
47
C20 100p
C23
100
16V C21 100p
C22 0.1
JC9
0 C36
100p
Q2
2SC2412K-QR
JC7 L1
0 10µH
R9
2.2k
C15
100
10V C35
D3 0.01
MA8100-L
Q2
REGULATOR
C26
(FOR FM/AM PLL)
470p
RDS DECODER
IC3
TDA7330BD
C28
10 16V MUX
RESET
VREF
CMP T2
C29
FO
0.01
GND VDD
ARI
T1 QUAL
C30 X2 R16
RDATA
15p 4.332MHz 8.2k
XO RCLK
XI T57
C31 R17
12p 2.2M
w w w
TU1
R151 C151 C153
4.7k 0.47 0.022
C103
R101 C102 C152
1 50V
4.7k 1 50V 0.047
JC14
0
R18 Q101,201
1k
TUNER MUTE
R2 4.7k
R3 10k
R102
33k
TU1
Q101
TU2
DTC314TK
TU3
Q201
R202 DTC314TK
JC11 33k
0 RV1
220k
Q503
C203
2SC2412K-QR
1
50V
Q503
TU6
SIGNAL
METER
JC50 C9 R201 C202
0 BUFFER 1000p 4.7k 1 50V
R4 100k R528 100k
L2
10µH
C18 0.01
C19 100p
IC1
TB2114F
R14
2.2k
IF.IN FM.IFRQ
VDD DX /LO
FM.VCO
AM.VCO
FM/AM PLL
D.GND
FM.CPOUT
SR
PLL1
DATA
VT
OUT
PLL2
AM.CPOUT CLK
JC21 0 PLL3
VCC DATA_IN
PLL4
RF
CE
A.GND
XI
XO
R11
1k
C24 X1 C25
18p 7.2MHz 18p
L4
10µH
RDS2
RDS1
C32
1
50V
x a o
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http://www.xiaoyu163.com
C113
C111 R103
C115
1
1 0.15 3.3k
50V
50V
C118 C119
C112 C114 10 C116 10
3300p 0.022 16V 0.15 16V
C121
C155 22 16V
CE
DATA
ELECTRICAL VOLUME
CLK
IC151
LC75373ED
C120
10 16V
Q Q
3 7
C219
10
16V
C211
1
C215 C216
50V
0.15 0.15
C157 C213 C212 C214 C218
C158 100 JC59 1 3300p 0.022 10 JC68
R203
0.01 10V 0 50V 16V 0
3.3k
D584 JC31
MA8039 0
R583
47
Q581 D583
XN1A312 MA111
Q3
LINE MUTE IMD3
R582 CONTROL SWITCH B+ SWITCH
1k
-2
-1
-1 -2
JC40
0
C582 C583
JC63 D4
2.2 47
0 MA8062-M
50V 16V
D501
MA8039
-2
C506 Q501
0.01
-1 TUNER MUTE
JC27 CONTROL SWITCH
Q501 0
XN1A312
u 1 6 3
y
(Page 5)
4 4
http://www.xiaoyu163.com
2 4
8 9 9
(C450RDS)
CNJ150
BUS AUDIO IN LINE OUT REAR
L R L R
Z3
Z4
C124
10 R118
Z5
25V 3.3k
Z6
R119 C123 C122 C222
10k 100p 100p 100p JC28
0
ON1
R219 C223
ON4
10k 100p
D151 D152 D150
MA8180-M MA8180-M MA8180
JC69 JC57 C224 R218
-M
0 0 10 25V 3.3k
10 R109
16V R105 15k
Z4
R113
2.2M
Q103
DTC314TK
R111
15k
Q102
PW
DTC314TK
JC29
0
Q102,103
Z3
R104 LINE MUTE
470
R108 15k
R204
470
R208 15k
Z6
C220
JC30
10
0
16V
6 3 1 5 1 5 0 8 9
Q202
DTC314TK
TM
Q203
DTC314TK
C221
Q202,203
10
16V LINE MUTE
Z5
R205 R209
470 15k
ILL
R585
JC66
100k
CPU7
R584
47k
R627 R626 R625 R624 Q603
1.5 1.5 1.5 1.5 2SD2137-OP
Q603 -2
REGULATOR
R609 Q605
(FOR ILLUMINATION) 330 XN1A312
-1
ON2
C601 D601
0.22 MA8120-M
ON5
Q605
REGULATOR CONTROL
SWITCH
m
c o
.
2
8 9 9
ORIGINAL
SERVICE
MANUAL
Page 28
C618
0.01
JC62 0
C650
3300
16V
ORIGINAL
SERVICE
MANUAL
(C450RDS)
Page 28
2 4 9 8 2 9 9
R660
1k
JC72
0
D661
MA111
D660 D662
MA8062-M MA8062-M
C660 R661
0.1 2.2M D610 (CHASSIS)
MA8062-M CN602
R562 12P
100k
R612 D609
100 MA8062-M
AD1
AD0 R613 100
LCD1
LCD2
LCD3
LCD4
ORIGINAL
SERVICE
R621 100 MANUAL
Page 32
JC20
0
JC23
0
B1
B2
B3
B4
B5
B6
B7
B8
B10 (Page 6)
B11
B13
B12