Sony CDX-L300 Service Manual page 36

CDX-L300/L460X
• IC Block Diagrams
IC1 µPD63711GC-8EU (MG-393X-121//K)
IC1 µPD63711GC-8EU (MG-393XA-121//K)
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
64 63 62 61 60 59 58 57 56 55 54 53 52
MICROCOMPUTER INTERFACE
CD-TEXT DECODER
SUB-CODE PROCESSOR
16K
MEMORY
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
IC2 BA5810FP-E2 (MG-393X-121//K)
IC2 BA5810FP-E2 (MG-393XA-121//K)
FWD 1
51
REV 2
50 C2D3
LDCONT 3 X3
49 C2D2
POWER
PS 4
SAVE
48 C2D1
IN1 5
47 C1D2
IN2
6
46 C1D1
PREVCC
45 DGND (PRE.LOADING)
44 PLCK PREVCC 7
POWVCC12
43 MIRR/WFCK
(CH1.CH2)
POWVCC 8
42 RFCK
41 LOCK
VOL– 9
40 DVDD
39 TSOI
VOL+ 10
38 C16M
10k
10k
–
VO2–
11
37 DGND
36 TX
VO2+ 12
–
10k
35 HOLD/WDCK 10k
10k
10k
34 LRCK
–
VO1– 13
33 LRCKIN
VO1+ 14
–
32 SCKO
10k 10k
31 SCKIN
30 DOUT
29 DIN
28 FLAG
27 EMPH
IC601 TB2118F (EL-S)
26 DVDD
25
XO 1
OSC 2
BUFFER
CE 3
D_IN 4 SERIAL
INTERFACE
CK 5
D_OUT 6
SR 7
LCL 8
I/O
PORT
I/O-2 9
SEEK 10
OUTPUT
PORT
MONO 11
VDD2 VDD2
12
36 36
28 BIAS
LOADING PRE
27 OPIN4+
FWD REV
–
26 OPIN4–
25 OPOUT4
OPIN3+
24
–
OPIN3–
23
+ +
22 OPOUT3
CH1-4
21 MUTE
+ +
MUTE
POWVCC34
(CH3,CH4)
20 POWVCC
19 GND
10k
10k
–
18 VO3–
LEVEL
LEVEL
SHIFT
SHIFT
17 VO3+
10k 10k
10k
10k
–
VO4–
16
LEVEL LEVEL
SHIFT SHIFT
15 VO4+
10k
10k
OSCILLATOR
REGULATOR
ON/OFF
SEEK/RECP
VCC
REFERENCE
DIVIDER
–
PHASE
COMPARATOR SEEK/RECP
40BIT SHIFT
REGISTER
18BIT
12BIT
4BIT SWALLOW
18BIT PRESCALLER
PROGRAMMABLE
COUNTER
COUNTER
AMP
AMP
22BIT VDD
20BIT AMP
IF COUNTER
24 XI
23 A-GND
22 REG
21 VCC
AM_CP
20
19 VT
18 FM_CP
17 D-GND
AM_VCO
16
15 FM_VCO
14 VDD
13 IFC