Read Sony CDX-S2250 / CDX-S2250S (serv.man2) Service Manual online
11
CDX-S2250/S2250S
1
VREF
VDD
GND
CE
CURRENT
LIMIT
2
3
5 VOUT
NC
4
IC6 R1114N151D-TR-FA (SERVO Board (1/2))
76
77
EFM SLICE
79
78
82
83
84
88
RFRP
VCO
SLCO
RFI
RFRPI
REFQO
RESIN
VRO
VMDIR
TESTR
INVSEL
AGCI
RFDCI
RFO
PNSEL
EQSET
RVDD3
LDO
MDI
RVSS3
FNI2
FNI1
FPI2
FPI1
TPI
TNI
FTE
RFZI
AVSS3
RFRP
FEI
SBAD/RFDC
TEI
TEZI
AVDD3
FOO
TRO
VREF
FMO
DMO
SBSY
SBOK
IPF
SFSY
GPIN
VDD15
ZDET
VSS15
XVSS3
XI
XO
XVDD3
PVSS3
VCOREF
VCOF
PVREF
LPFO
LPFN
TMAX
PDO
PVDD3
AWRC
VSS15
VDD15
LRCKI
BCKI
AIN
LRCKO
BCKO
DOUT
PIO3
AOUT
PIO2
PIO1
PIO0
TESTC
VDDP
VCOI
VSSP
VSSP
TESTD
IO1
IO0
FGIN
VDDT
STBY
/RST
/CCE
BUCK
BUS3
BUS2
BUS2
BUS1
BUS0
VSS15
VDDM
VDD3
VSS3
DVSS3
VSS3
DVSS3
LO
DVR
DVDD3
RO
DVSS3
AUDIO
OUT
DIGITAL
OUT
PLL
TMAX
RFEQ
85
AGC
86
RFDC
87
RF
RAM
DIGITAL EQ
AUTO ADJ.
ROM
91
APC
92
94
FE
95
98
TE
99
100
2
1
3
5
4
6
7 8
9
10 11
12 13
20 21 22
14
15
16
17
19
18
96
97
80
VRO
81
89
90
93
23
ANA.
LPF
24
25
SYNC SIGNAL PROTECTION
EFM DEMODULATION
69
68
63 62 61
56 55 54 53
50
45
44
43
41
40
39
38
37
36
35
34
33
32
32
31
30
29
28
27
26
42
49
48
46
47
60 59 58
57
52 51
66
65 64
67
70
74
75
73
1-BIT
DAC
CLOCK
GEN.
PWM
SUBCODE
DEMODULATION
CIRCUIT
16K
RAM
ADDRESS CIRCUIT
CPU
I/F
CORRRECTION
CIRCUIT
5-BIT
R-2R DAC
SERVO
CONTROL
10-BIT
SAR ADC
72 71
CLV SERVO
CAV SERVO
AWRC
IC2 TC94A60MFG-301 (SERVO Board (1/2))
• IC BLOCK DIAGRAMS
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