Ic Block Diagrams - Sony CDX-L495EE Service Manual

CDX-L495EE

3-13. IC BLOCK DIAGRAMS

IC1 µPD63711GC-8EU
75 74 73 72 71 70 69 68 67 66 65
AGCI 76 EFM
COMPARATOR
RFO 77
EQ2 78
EFM D/A
EQ1 79
AUTO GAIN
RF- 80
CONTROLLER
AGND 81
ADDER
A
82
FEOFS
C 83
SVDRAM
TEOFS
MULTIPLIER
B 84
RF
D 85
SVROM
DECODER
AMP BLOCK
F 86
EFM
E
87
CLV
AVDD 88
PROCESSOR
REFOUT
89
SWITCH
FE- 90
DEFECT
DEFECT
COMPARATOR
FEO 91
FOK
RFENV
TE- 92
A3T
MIRENV
TEO 93
MIRR
TE2 TRACKING
94
REGISTER
FEO
TEC 95
FOCUS
TEO
REGISTER
AGND 96
COMPARATOR
PD 97
LD 98
PN 99
AVDD 100
MICROCOMPUTER INTERFACE
1 2 3 4 5 6 7 8 9 10
64 63 62 61 60 59 58 57 56 55 54 53 52
MICROCOMPUTER INTERFACE
CD-TEXT DECODER
SUB-CODE PROCESSOR
MEMORY 16K
PROCESSOR SRAM
FD/TD/SD/MD
CONTROLLER
DIGITAL PLL
EFM DEMODULATOR
SVCRAM
TIMING GENERATOR
ROM
DIGITAL
AUDIO
INTERFACE
D/A
INTERFACE
CIRCUIT
DE-EMPHASIS CIRCUIT
OCTUPLED
OVERSAMPLING DIGITAL FILTER
NOISE SHAVER NOISE SHAVER
OUTPUT BUFFER OUTPUT BUFFER
SCF
OSC
11 12 13 14 15 16 17 18 19 20 21 22 23 24
FWD
51
REV
50 C2D3
LDCONT
49 C2D2
PS
48 C2D1
IN1
47 C1D2
IN2
46 C1D1
45 DGND
44 PLCK PREVCC
43 MIRR/WFCK
POWVCC
42 RFCK
41 LOCK
VOL–
40 DVDD
39 TSOI
VOL+
10
38 C16M
VO2– 11
37 DGND
36 TX
VO2+ 12
35 HOLD/WDCK
34 LRCK
VO1– 13
33 LRCKIN
VO1+ 14
32 SCKO
31 SCKIN
30 DOUT
29 DIN
28 FLAG
27 EMPH
26 DVDD
25
26 26
IC2 BA5810FP-E2
1
LOADING PRE
2
FWD REV
–
3 X3
POWER
4
SAVE
5
–
6
PREVCC
+ +
(PRE.LOADING)
7
POWVCC12
(CH1.CH2)
CH1-4
+ +
8 MUTE
POWVCC34
(CH3,CH4)
9
10k
10k
10k 10k
– –
LEVEL LEVEL
SHIFT
SHIFT
–
10k 10k 10k
10k
10k
10k
10k 10k
– –
LEVEL LEVEL
SHIFT SHIFT
–
10k 10k 10k
10k
28 BIAS
27 OPIN4+
26 OPIN4–
25 OPOUT4
24 OPIN3+
23 OPIN3–
22 OPOUT3
21 MUTE
20 POWVCC
19 GND
18 VO3–
17 VO3+
16 VO4–
15 VO4+