Sony CDX-CA900 Service Manual page 34

CDX-CA900/CA900X
Q Q
3 7 6 3 1 5 1 5 0
• 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
AMP BLOCK DECODER
F 86
EFM
E 87
CLV
AVDD 88
PROCESSOR
REFOUT
89
SWITCH
FE- 90
DEFECT
DEFECT
COMPARATOR
FEO 91
FOK
RFENV
TE-
92
T E
A3T L 1 3 9 4 2 2 9 6 5 1 3
MIRENV
TEO 93
MIRR
TRACKING
TE2 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
w w w
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
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
x a o
. i
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FWD
51
REV
50 C2D3
LDCONT
49 C2D2
PS
48 C2D1
IN1
47 C1D2
IN2
46 C1D1
45 DGND
PREVCC
44 PLCK
43 MIRR/WFCK
POWVCC
42 RFCK
41 LOCK
VOL–
40 DVDD
39 TSOI
VOL+
38 C16M
VO2–
37 DGND
36 TX
VO2+
35 HOLD/WDCK
34 LRCK
Q Q
VO1–
3 7
33 LRCKIN
VO1+
32 SCKO
31 SCKIN
30 DOUT
29 DIN
28 FLAG
27 EMPH
26 DVDD
25
u 1 6 3
y
34 34
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2 4
8 9 9
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
10
10k
10k
10k 10k
– –
11
LEVEL LEVEL
SHIFT SHIFT
12
–
10k 10k
10k
10k
10k 10k
10k 10k
– –
13
6 3 1 5 1 5 0 8 9
LEVEL LEVEL
SHIFT SHIFT
14
–
10k 10k
10k 10k
IC201 SAA6588T
20 19 18 17 16 15 14
POWER SUPPLY
& RESET
MULTI
PATH 57kHz
DETECTOR 8th ORDER
BAND-PASS FILTER
CLOCKED SIGNAL QUALITY
COMPARATOR DECODER
4 5
4
CLOCK
CLOCK
RDS/RDBS RDS/RDBS INTERFACE
DATA
DEMODULATOR DECODER REGISTER
DATA
m
OSCILLATOR
TEST IIC BUS SLAVE
CONTROL & CLOCK
TRANSCEIVER
c o
1 2 3 4 5 6 7 8
.
2
8 9 9
BIAS
28
OPIN4+
27
26 OPIN4–
25 OPOUT4
24 OPIN3+
23 OPIN3–
22 OPOUT3
21 MUTE
20 POWVCC
19 GND
18 VO3–
17 VO3+
16 VO4–
2 4 9 8 2 9 9
15 VO4+
13 12 11
PAUSE
DETECTOR
9 10