Ic Block Diagrams - Sony Xplod CDX-M800 Service Manual

CDX-M800

4-15. IC BLOCK DIAGRAMS

IC1 µPD63711GC-8EU (SERVO Board)
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
IC502 SAA6588T (MAIN Board (1/2))
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
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
IC301 BA8270F (MAIN Board (2/2))
14 13 12 11 BUS ON
BUSON
1
SWITCH
PAUSE
RESET
DETECTOR
RST 2
SWITCH
BATTERY
BATT 3
SWITCH
CLK 4
VREF 5
DATA 6
CLOCK
I/O
DATA GND 7
IIC BUS SLAVE
TRANSCEIVER
9 10
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
IC307 BA6288FS (MAIN Board (2/2))
GND 1
14 VCC
NC 2
DRIVER
OUT1 3
13 RST
M BATT 4
12 BUSON
POWER
11 CLK-IN
VCC 5
SAVE
10 B/U-C
CLOSE 6
NC 7
NC 8
9 DATA IN
8 DATA OUT
36 36
IC2 BA5810FP-E2 (SERVO Board)
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
IC800 LM2577SX-ADJ (MAIN Board (2/2))
16 RNF
CURRENT LIMIT,
15 NC
DRIVER THERMAL LIMIT,AND
UNDERVOLTAGE SHUTDOWN
14 OUT2
13 NC
12 VREF
11 OPEN
OSCILLATION
10 NC
TSD 9 NC
COMPARATOR
SOFT
START
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
DRIVER
LOGIC
STAGE
52kHz
CORRECTIVE
RAMP VOLTAGE
∑
AMP
CURRENT
SENSE
VOLTAGE
1.25V CURRENT 2.5V
SENSE
ERROR REF. REGULATOR
REGISTOR
AMP
1 2 3 4 5