Ic Block Diagrams - Sony CDX-CA680X Service Manual

3-14. 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
SVCRAM
MULTIPLIER
B 84
RF ROM
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 11
IC51 SAA6588T/V2-518
20 19 18 17 16 15
POWER SUPPLY
& RESET
MULTI
PATH
57kHz
DETECTOR
8th ORDER
BAND-PASS FILTER
CLOCKED SIGNAL QUALITY
COMPARATOR DECODER
4 5
4
CLOCK
RDS/RDBS RDS/RDBS INTERFACE
DEMODULATOR DECODER REGISTER
DATA
TEST OSCILLATOR
CONTROL & CLOCK
1 2 3 4 5 6 7 8
64 63 62 61 60 59 58 57 56 55 54 53 52
MICROCOMPUTER INTERFACE
CD-TEXT DECODER
SUB-CODE PROCESSOR
MEMORY 16K
SRAM
PROCESSOR
FD/TD/SD/MD
CONTROLLER
DIGITAL PLL
EFM DEMODULATOR
TIMING GENERATOR
DIGITAL
AUDIO
INTERFACE
D/A
INTERFACE
CIRCUIT
DE-EMPHASIS CIRCUIT
OCTUPLED
OVERSAMPLING DIGITAL FILTER
NOISE SHAVER NOISE SHAVER
OUTPUT BUFFER OUTPUT BUFFER
SCF
OSC
12 13 14 15 16 17 18 19 20 21 22 23 24
14 13 12 11
PAUSE
DETECTOR
CLOCK
DATA
IIC BUS SLAVE
TRANSCEIVER
9 10
IC2 BA5810FP-E2
FWD 1
51
REV 2
50 C2D3
LDCONT 3
49 C2D2
48 C2D1
PS 4
47 C1D2
IN1
5
46 C1D1
IN2 6
45 DGND
44 PLCK
PREVCC 7
43 MIRR/WFCK
42 RFCK
POWVCC 8
41 LOCK
40 DVDD
VOL– 9
39 TSOI
38 C16M VOL+ 10
37 DGND
VO2– 11
36 TX
35 HOLD/WDCK VO2+ 12
34 LRCK
33 LRCKIN
VO1– 13
32 SCKO
VO1+ 14
31 SCKIN
30 DOUT
DIN
29
28 FLAG
27 EMPH
26 DVDD
IC580 MM1175XFF (CDX-CA680X only)
25
BUS ON
1
OUT
RESET
2
OUT
BATT 3
CLK
4
OUT
VREF 5
DATA
6
IN / OUT
GND
7
27 27
BIAS
28
LOADING PRE
OPIN4+
27
FWD REV
–
26 OPIN4–
X3
POWER
25 OPOUT4
SAVE
24 OPIN3+
–
23 OPIN3–
PREVCC
+ +
(PRE.LOADING)
22 OPOUT3
POWVCC12
(CH1.CH2)
CH1-4
21 MUTE
+ +
MUTE
POWVCC34
(CH3,CH4)
20 POWVCC
GND
19
10k
10k
10k 10k
– –
18 VO3–
LEVEL LEVEL
SHIFT SHIFT
17 VO3+
–
10k 10k
10k
10k
10k 10k
10k 10k
– –
16 VO4–
LEVEL LEVEL
SHIFT SHIFT
15 VO4+
–
10k 10k
10k 10k
14 VCC
RESET
RESET
13
SWITCH
IN
BATT
BUS ON
12
SWITCH
IN
CLK
11
IN
BATT
10
CHECK
DATA
9
IN
DATA
8
OUT
CDX-CA680X/L580X