Sony CDX-M630 Service Manual page 44

CDX-M630
• 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
A3T
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
IC901 TL1451ACDB
16 15 14 13 12 11
VERF.
+2.5V
VCC
–
+
REFERENCE
VOLTAGE
ERROR PWM
COMPA-
AMP2
RATOR2
+2.5V
VERF
SHORT
CIRCUIT
VERF VERF
PROTECTION
COMPARATOR
+
+
–
S R R
LATCH U.V.L.O
VREF/2
PWM
COMPA-
RATOR1
+
TRIANGLE
–
OSCILLATOR
ERROR
AMP1
1 2 3 4 5 6
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
IC802 MM1175XFF
10 9
BUS ON
1
OUT
RESET RESET
2
OUT SWITCH
BATT
3
BATT
OUTPUT2
SWITCH
CLK
4
OUT
OUTPUT1
VREF
5
DATA
6
IN/OUT
GND
7
GND
7 8
51
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
28 FLAG
27 EMPH
26 DVDD
25
14 VCC
RESET IN
13
12 BUS ON
11 CLK IN
BATT
10
CHECK
9 DATA IN
DATA OUT
8
44 44
IC2 BA5810FP-E2
FWD 1
LOADING PRE
REV 2
FWD REV
–
LDCONT 3 X3
POWER
PS 4
SAVE
IN1
5
–
IN2 6
PREVCC
+ +
(PRE.LOADING)
PREVCC 7
POWVCC12
(CH1.CH2)
CH1-4
+ +
POWVCC 8 MUTE
POWVCC34
(CH3,CH4)
VOL– 9
VOL+ 10
10k
10k
10k
– –
VO2– 11
LEVEL LEVEL
SHIFT SHIFT
VO2+
12
–
10k
10k
10k
10k 10k
10k
– –
VO1– 13
LEVEL LEVEL
SHIFT SHIFT
VO1+ 14
–
10k
10k 10k
IC601 SAA6588T/V2
MRO
1
MULTI
MPTH
2 PATH 20
DETECTOR
TEST
TEST
3
CONTROL RDS/RDBS
19
DEMODULATOR
XO 4 18
XI 5 57kHz
8th ORDER
RDS/RDBS
BAND-PASS FILTER
DECODER
GND 6
DVDD 7
DAVN 8 17
4
16
INTERFACE
REGISTER 5
15
4
POWER SUPPLY
& RESET
14
SDA 9
13
10
SCL
PAUSE
DETECTOR
12
11
BIAS
28
OPIN4+
27
26 OPIN4–
25 OPOUT4
24 OPIN3+
23 OPIN3–
22 OPOUT3
21 MUTE
20 POWVCC
19 GND
10k
18 VO3–
17 VO3+
10k
10k
16 VO4–
15 VO4+
10k
SMETER
CIN
SCOUT
VREF
FM DET
GND
AVDD
AFIN
SLI
PSWN