Sony CDX-CA680X / CDX-L580X Service Manual ▷ View online
25
25
CDX-CA680X/L580X
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
S903
LSW904
LSW905
LSW906
LSW907
LSW908
LSW909
LSW910
S911
LSW912
LSW915
LSW916
LSW917
LSW918
LSW919
LSW920
LCD901
LSW921
LSW922
LSW901
R911
R904
R912
R913
LSW913
LED953
LED903
LSW914
LED911
LED951
LED952
IC971
LED954
LED933
LED934
R950
R951
R966
R967
R936
R935
S902
R986
R988
C982
C984
R987
C983
C981
C985
C986
R981
R982
R983
R985
R989
R990
D901
R975
R976
R977
R979
R978
R980
R971
R972
R901
R902
R903
R905
R906
R907
R908
R909
R910
R914
R915
R916
R917
R918
R919
R920
R921
D981
R941
R942
R946
R947
D983
D902
C971
R970
FMB5
FMB6
CN901
R927
R928
R929
R960
R961
R962
R934
R931
R930
IC901
3-12. PRINTED WIRING BOARD — KEY SECTION — • Refer to page 17 for Circuit Boards Location and page 18 for Common Note on Printed Wiring Boards.
: Uses unleaded solder.
(Page 24)
LED911
C-14
LED933
C-11
LED934
C-4
LED951
C-14
LED952
C-12
LED953
C-1
LED954
A-2
Ref. No.
Location
D901
H-10
D902
G-11
D981
G-6
D983
H-6
IC901
G-8
IC971
C-13
LED903
C-2
• Semiconductor Location
Ref. No.
Location
26
26
CDX-CA680X/L580X
3-13. SCHEMATIC DIAGRAM — KEY SECTION — • Refer to page 18 for Common Note on Schematic Diagram.
Note:
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
no mark : FM
(Page 23)
R901
R902
R903
R911
R912
R913
D901
R972
R975
R976
R977
R978
R979
R980
R990
D983
R909
R910
R907
R908
R917
R918
R920
R919
R916
R915
R914
R904
R905
R906
R986
R988
R987
R989
R981
R982
R983
R921
IC901
LED903
LED953
LED952
LED951
LED911
LED954
LED933
LED934
R927
R928
R935
R936
LSW912(2/2)
LSW913(2/2)
LSW913(1/2)
LSW914(2/2)
LSW914(1/2)
LSW901(2/2)
LSW901(1/2)
LSW915(2/2)
LSW915(1/2)
LSW916(2/2)
LSW916(1/2)
LSW917(2/2)
LSW917(1/2)
LSW918(2/2)
LSW918(1/2)
R941
R942
LSW919(2/2)
LSW919(1/2)
LSW920(2/2)
LSW920(1/2)
LSW921(2/2)
LSW921(1/2)
LSW922(2/2)
LSW922(1/2)
R946
R947
LSW905(2/2)
LSW905(1/2)
R950
R951
LSW906(2/2)
LSW906(1/2)
LSW909(2/2)
LSW909(1/2)
LSW910(2/2)
LSW910(1/2)
R960
R961
LSW908(2/2)
LSW908(1/2)
LSW904(2/2)
LSW904(1/2)
R966
LSW907(2/2)
LSW907(1/2)
C981
C986
C985
C982
R929
C971
R985
C983
C984
R971
S911
LSW912(1/2)
S902
S903
LED802
LED801
CN802
CN901
S801
IC971
LCD901
CN801
D981
R970
D902
R930
R931
R934
R962
R967
27
27
CDX-CA680X/L580X
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
IC51 SAA6588T/V2-518
IC1 µPD63711GC-8EU
3-14. IC BLOCK DIAGRAMS
SCOUT
MRO
MPTH
TCON
OSCO
OSCI
VSSD
VDDD
DAVN
SDA
VREF
MPX
VSSA
VDDA
AFIN
MAD
PSWN
SCL
2
1
6
15
11
13
16
14
12
INTERFACE
REGISTER
SIGNAL QUALITY
DECODER
CLOCKED
COMPARATOR
POWER SUPPLY
& RESET
TEST
CONTROL
OSCILLATOR
& CLOCK
PAUSE
DETECTOR
MULTI
PATH
DETECTOR
57kHz
8th ORDER
BAND-PASS FILTER
RDS/RDBS
DECODER
RDS/RDBS
DEMODULATOR
IIC BUS SLAVE
TRANSCEIVER
17
18
CIN
19
LVIN
20
8
7
DATA
CLOCK
DATA
CLOCK
4
4
5
9
10
3
4
5
IC580 MM1175XFF (CDX-CA680X only)
IC2 BA5810FP-E2
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)
VCC
RESET
IN
IN
BUS ON
IN
IN
CLK
IN
IN
BATT
CHECK
CHECK
DATA
IN
IN
DATA
OUT
OUT
BUS ON
OUT
RESET
OUT
BATT
CLK
OUT
VREF
DATA
IN / OUT
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
RESET
SWITCH
BATT
SWITCH
28
28
CDX-CA680X/L580X
IC401 BD3802F-FE2
IC750 TDA8588J/N1
28
27
26
25
24
23
22
21
20
19
18
17
I
2
C BUS
LOGIC
16
15
VCO
FADER
(0~-58,
-∞dB)
FADER
(0~-58,
-∞dB)
FADER
(0~-58,
-∞dB)
FADER
(0~-58,
-∞dB)
EFFECT (OFF,6dB,
10dB,14dB)
EFFECT (OFF,6dB,
10dB,14dB)
BASS,TREBLE, MIDDLE
(-15dB~+15dB,1dB STEP)
BASS,TREBLE, MIDDLE
(-15dB~+15dB,1dB STEP)
VOLUME
(+23~-79dB,-∞dB
1dB STEP)
VOLUME
(+23~-79dB,-∞dB
1dB STEP)
INPUT GAIN
(0~15dB,1dB STEP)
INPUT SELECTOR
(4 STEREO INCLUDE 1 ISOLATION INPUT)
INPUT GAIN
(0~15dB,1dB STEP)
MUTE
MUTE
6
7
8
9
10
11
12
3
4
5
2
1
D-GND
A-GND
FIL
BUS-
RCH
AN
BUS-
LCH
TU-
RCH
TU-
LCH
CD-
RCH
CD-
LCH
D1
D2 DS11
13
DS21
14
DS31
SDA
SCL
MUTE
SEL
ADJ
VCC
OUT-
RL
OUT-
RR
OUT-
FL
OUT-
FR
DS32
DS22
DS12
VCC
VCC/2
ON
OFF
ON
OFF
TONE
PASS
PASS
TONE
PASS
PASS
MUTE
MUTE
ENABLE
LOGIC
STANDBY/
MUTE
BATTERY
DETECTION
CHIP DETECT/
DIAGNOSTIC
PROTECTION/
DIAGNOSTIC
SWITCH
REGULATOR
SWITCH
REFERENCE
VOLTAGE
LOADDUMP
PROTECTION
TEMPERATURE
PROTECTION
BACK-UP
SWITCH
REGULATOR
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
TAB
OUT-FL-
OUT-FL+
OUT-RL-
OUT-RL+
IN-RL
S-GND
IN-RR
OUT-RR+
OUT-RR-
OUT-FR+
OUT-FR-
DIAG
ANT-REM
AMP-REM
SERVO5V
MECH6V
VP
B.UP+B
SDA
SCL
VP2
PGND3
SVR
IN-FL
IN-FR
BEEP
PGND2
VP1
STB
PGND1
RST
CRES
AUDIO8.3V
GND
PANEL+B
CBU
FL
RL
RR
VP
FR
I
2
C BUS
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