Sony CDX-L300 / CDX-L460X Service Manual ▷ View online
33
33
CDX-L300/L460X
( M G - 3 9 3 X )
( M G - 3 9 3 X A )
R908
R907
C904
TH901
R933
Q919
R934
R932
D923
C919
R930
D909
R931
Q920
D930
Q910
Q913
R912
JR929
R913
C905
C907
D910
D908
R917
D913
R920
C916
R919
R918
Q915
R928
R925
R926
R927
R929
R924
R911
R910
D906
L703
L702
R921
R806
R807
R808
X802
C802
C801
CNP701
R802
R815
R814
R814
R813
R812
R811
R810
R810
R824
R922
R923
C809
SW801
CNP802
R817
R818
R822
R819
JR1
R711
R709
R710
R707
R708
R706
R705
R704
R840
C810
R841
R842
R842
C843
C845
D914
Q904
D907
D999
C846
IC902
C915
C844
R909
R809
C914
Q907
C849
C806
X801
C804
C803
JR901
IC801
R843
JR903
C909
L701
C847
Q916
D810
Q909
Q912
Q905
Q906
Q921
Q914
Q929
Q918
Q911
Q917
Q902
Q903
C701
C702
C703
C704
C812
3-12. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 24 for Waveforms.
Note:
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : AM
<
> : CD PLAY
(Page
30)
(Page 32)
(Page 35)
(Page 25)
34
34
CDX-L300/L460X
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
R568
D574
R579
R567
D573
D569
D568
D570
D561
D567
D563
D572
R560
R559
LED501
LED502
D562
R570
R566
R569
R580
D564
D566
D565
R565
R578
R564
R577
R563
R577
R563
D571
R582
D581
R576
R583
D579
R561
R574
D575
R573
R562
D580
R572
R571
R581
D577
D578
R575
D576
LED503
LED504
C555
D552
R509
R503
R518
JR503
R551
R517
R514
JR501
C552
JR505
R552
C553
R508
R511
R513
R516
D554
R506
D553
C551
R507
R502
R515
R505
R504
R586
R510
IC551
R501
R519
D551
JR504
R553
R587
R588
R512
S517
S510
S516
S519
CNP551
S520
S518
S501
S509
S515
LCD501
S512
S511
S513
S514
S506
S504
S505
S507
S502
S503
S508
S521
S581
3-13. PRINTED WIRING BOARD — DISPLAY SECTION — • Refer to page 24 for Circuit Boards Location.
(Page 31)
D551
F-5
D552
F-4
D553
G-4
D554
G-5
D561
B-1
D562
C-1
D563
D-1
D564
B-3
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
D565
C-3
D566
C-3
D567
A-6
D568
A-5
D569
A-3
D570
A-2
D571
A-10
D572
A-9
Ref. No.
Location
D573
A-8
D574
A-7
D575
B-12
D576
C-12
D577
C-12
D578
A-11
D579
A-12
D580
B-13
D581
C-13
IC551
G-7
LED501
B-4
LED502
C-4
LED503
C-11
LED504
B-11
Ref. No.
Location
35
35
CDX-L300/L460X
D554
JR501
R586
JR505
LED501
LED503
D561
D564
D568
D573
D575
D565
D562
D563
D570
D567
R565
R566
R578
D566
R567
R568
R579
R580
D581
R569
R570
R575
R573 R574
R582
D578
D571
D572
D552
R552
R553
C555
C553
D551
C552
C551
R551
R576
R583
R571
R581
R572
D577
D576
D579
D580
D569
D574
CNP553
CNP551
R587
R588
R588
R559
R560 R561
R562
S512
S513
S514
S515
S501
S511
S502
S503
S504
S505
S506
S507
S508
S509
S510
S516
S517
S518
S519
S520
S521
S581
JR503
D553
LED502
LED504
R577
R563
R564
R501
R502
R503
R504
R505
R506
R507
R508
R509
R510
R511
R512
R513
R514
R515
R516
R517
R518
R519
3-14. SCHEMATIC DIAGRAM — DISPLAY SECTION —
(Page 33)
Note:
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
no mark : FM
36
36
CDX-L300/L460X
IC1 µPD63711GC-8EU (MG-393X-121//K)
IC1 µPD63711GC-8EU (MG-393XA-121//K)
IC1 µPD63711GC-8EU (MG-393XA-121//K)
• IC Block Diagrams
IC601 TB2118F (EL-S)
IC2 BA5810FP-E2 (MG-393X-121//K)
IC2 BA5810FP-E2 (MG-393XA-121//K)
IC2 BA5810FP-E2 (MG-393XA-121//K)
76
75
AGCI
AGCO
74
RFI
73
C3T
72
ASY
71
EFM
70
AVDD
69
7E DAC3
68
7D DAC2
67
7C DAC1
66
7F DAC0
65
MD
64
SD
63
TD
62
FD
60
ATEST
59
TEST1
58
TEST0
57
DGND
56
TSTB
55
TSCK
54
TSI
53
TSO
52
PACK
51
DVDD
61
AGND
1
DGND
2
RFOK
3
RST
4
A0
5
STB
6
SCK
7
SO
8
SI
9
XTALEN
10
DVDD
11
DAVDD
12
ROUT
13
DAGND
REGC
16
LOUT
17
DAVDD
18
R+
19
R
–
20
L+
21
L
–
22
XVDD
23
XTAL
24
XTAL
25
XGND
15
14
DAGND
77
RFO
78
EQ2
79
EQ1
80
RF-
81
AGND
82
A
83
C
84
B
85
D
86
F
87
E
88
AVDD
89
REFOUT
90
FE-
91
FEO
92
TE-
93
TEO
94
TE2
95
AGND
TEC
96
PD 97
98
LD
PN 99
100
AVDD
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
28
DIN
FLAG
27 EMPH
26 DVDD
EFM
COMPARATOR
EFM
EFM
DEFECT
FOK
A3T
MIRR
FEO
TEO
TEOFS
FEOFS
RF
AMP BLOCK
SWITCH
MICROCOMPUTER INTERFACE
SCF
OSC
FOCUS
REGISTER
TRACKING
REGISTER
OCTUPLED
OVERSAMPLING DIGITAL FILTER
NOISE SHAVER
OUTPUT BUFFER
NOISE SHAVER
OUTPUT BUFFER
DE-EMPHASIS CIRCUIT
D/A
INTERFACE
CIRCUIT
OUTPUT PROCESSOR
DIGITAL
AUDIO
INTERFACE
DIGITAL PLL
TIMING GENERATOR
EFM DEMODULATOR
ERROR
CORRECTION
PROCESSOR
MICROCOMPUTER INTERFACE
CD-TEXT DECODER
SUB-CODE PROCESSOR
16K
SRAM
D/A
AUTO GAIN
CONTROLLER
FD/TD/SD/MD
CONTROLLER
CONTROLLER
ADDER
SVDRAM
MULTIPLIER
SVCRAM
SVROM
ROM
DECODER
CLV
PROCESSOR
DEFECT
COMPARATOR
RFENV
MIRENV
A/D CONVERTER
MEMORY
PROCESSOR
COMPARATOR
1
FWD
+
–
+
–
+
–
2
REV
LOADING PRE
FWD REV
3
LDCONT
6
IN2
7
PREVCC
8
POWVCC
VOL–
VOL+
IN1
4
PS
+
–
LEVEL
SHIFT
+
–
+
–
LEVEL
SHIFT
LEVEL
SHIFT
+
–
POWER
SAVE
CH1-4
MUTE
X3
9
10
11
VO2–
12
VO2+
13
VO1–
14
VO1+
5
BIAS
OPIN4+
OPIN4–
OPIN3–
OPOUT3
MUTE
POWVCC
GND
OPIN3+
OPOUT4
VO3–
VO3+
VO4–
VO4+
7.5k
7.5k
16k
16k
7.5k
7.5k
16k
16k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
+
–
+
–
+
–
LEVEL
SHIFT
+
–
+
–
+
–
10k
10k
10k
10k
+
–
28
27
26
23
22
21
25
20
19
18
17
16
15
24
POWVCC34
(CH3,CH4)
PREVCC
(PRE.LOADING)
POWVCC12
(CH1.CH2)
VDD
AMP
AMP
AMP
VDD2
1
2
3
4
5
5
6
7
8
9
10
24
23
22
21
20
19
18
17
16
15
11
12
14
13
XO
OSC
CE
D_IN
CK
D_OUT
SR
LCL
I/O-2
SEEK
MONO
VDD2
IFC
VDD
FM_VCO
AM_VCO
D-GND
FM_CP
VT
AM_CP
VCC
REG
A-GND
XI
SERIAL
INTERFACE
I/O
PORT
OSCILLATOR
ON/OFF
BUFFER
REFERENCE
DIVIDER
PHASE
COMPARATOR
20BIT
IF COUNTER
PRESCALLER
12BIT
PROGRAMMABLE
COUNTER
+
–
REGULATOR
18BIT
18BIT
22BIT
40BIT SHIFT
REGISTER
REF
VCC
SEEK/RECP
SEEK/RECP
+
–
SIG
4BIT SWALLOW
COUNTER
OUTPUT
PORT
+
+
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