Sony CDX-L300 Service Manual page 36

CDX-L300/L460X
Q Q
3 7 6 3 1 5 1 5 0
• 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
T E
L 1 3 9 4 2 2 9 6 5 1 3
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
w w w
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
x a o
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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 Q Q
–
VO1– 13 3 7
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
u 1 6 3
y
SEEK 10
OUTPUT
PORT
MONO 11
VDD2 VDD2
12
36 36
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2 4
8 9 9
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–
6 3 1 5 1 5 0 16 8 9
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
m
AMP
c o
22BIT VDD
20BIT AMP
IF COUNTER
.
2
8 9 9
2 4 9 8 2 9 9
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