Ic Block Diagrams - Sony CDX-L550 Service Manual

• IC Block Diagrams

IC1 µPD63711GC-8EB
75 74 73 72
AGCI 76 EFM
COMPARATOR
RFO
77
EQ2
78
EFM
EQ1 79
RF- 80
AGND
81
A
82
FEOFS
C 83
TEOFS
B 84
RF
D
85
AMP BLOCK
F
86
EFM
E 87
AVDD 88
REFOUT
89
SWITCH
FE-
90
DEFECT
FEO 91
FOK
TE- 92
A3T
TEO
93
MIRR
TE2
94
FEO
TEC 95
TEO
AGND 96
COMPARATOR
PD 97
LD
98
PN 99
AVDD 100
MICROCOMPUTER INTERFACE
1 2 3 4
IC51 SAA6588T
20 19 18
MULTI
PATH
DETECTOR
CLOCKED
COMPARATOR
RDS/RDBS
DEMODULATOR
TEST OSCILLATOR
CONTROL & CLOCK
1 2 3 4
71 70 69 68 67 66 65
D/A
AUTO GAIN
FD/TD/SD/MD
CONTROLLER
CONTROLLER
ADDER
SVDRAM
SVCRAM
MULTIPLIER
ROM
SVROM
DECODER
CLV
PROCESSOR
DEFECT
COMPARATOR
RFENV
MIRENV
TRACKING
REGISTER
FOCUS
REGISTER
5 6 7 8 9 10 11
17 16 15
POWER SUPPLY
& RESET
57kHz
8th ORDER
BAND-PASS FILTER
SIGNAL QUALITY
DECODER
4 5
4
CLOCK
RDS/RDBS INTERFACE
DECODER REGISTER
DATA
5 6 7 8
64 63 62 61 60 59 58 57
16K
MEMORY
SRAM
PROCESSOR
EFM DEMODULATOR
TIMING GENERATOR
INTERFACE
DE-EMPHASIS CIRCUIT
OCTUPLED
OVERSAMPLING DIGITAL FILTER
NOISE SHAVER
OUTPUT BUFFER
SCF
12 13 14 15 16 17 18 19
14 13 12 11
PAUSE
DETECTOR
CLOCK
DATA
IIC BUS SLAVE
TRANSCEIVER
9 10
CDX-L550/L550V/L550X
56 55 54 53 52 51
MICROCOMPUTER INTERFACE
CD-TEXT DECODER
SUB-CODE PROCESSOR
DIGITAL PLL
DIGITAL
AUDIO
INTERFACE
D/A
CIRCUIT
NOISE SHAVER
OUTPUT BUFFER
OSC
20 21 22 23 24 25
50 C2D3
49 C2D2
48 C2D1
47 C1D2
46 C1D1
45 DGND
44 PLCK
43 MIRR/WFCK
42 RFCK
41 LOCK
40 DVDD
39 TSOI
38 C16M
37 DGND
36 TX
35 HOLD/WDCK
34 LRCK
33 LRCKIN
32 SCKO
31 SCKIN
30 DOUT
29 DIN
FLAG
28
27 EMPH
26 DVDD
29