Sony CDX-CA680X, CDX-L580X Service Manual
CDX-CA680X/L580X
SERVICE MANUAL
Ver 1.0 2002. 11
Photo: CDX-CA680X
• The tuner and CD sections have no adjustments.
SPECIFICATIONS
AEP Model
UK Model
Model Name Using Similar Mechanism CDX-L380X
CD Drive Mechanism Type MG-393XA-121//Q
Optical Pick-up Name KSS-720A
CD player section
Signal-to-noise ratio 90 dB
Frequency response 10 – 20,000 Hz
Wow and flutter Below measurable limit
Tuner section
FM
Tuning range 87.5 – 108.0 MHz
Aerial terminal External aerial connector
Intermediate frequency 10.7 MHz/450 kHz
Usable sensitivity 9 dBf
Selectivity 75 dB at 400 kHz
Signal-to-noise ratio 67 dB (stereo),
69 dB (mono)
Harmonic distortion at 1 kHz
0.5% (stereo),
0.3% (mono)
Separation 35 dB at 1 kHz
Frequency response 30 – 15,000 Hz
MW/LW
Tuning range MW: 531 – 1,602 kHz
LW: 153 – 279 kHz
Aerial terminal External aerial connector
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity MW: 30 µV
LW: 40 µV
Power amplifier section
Outputs Speaker outputs
(sure seal connectors)
Speaker impedance 4 – 8 ohms
Maximum power output 50 W × 4 (at 4 ohms)
General
Outputs Audio outputs (front)
(CDX-CA680X only)
Audio outputs (rear)
Power aerial relay control
terminal
Power amplifier control
terminal
Inputs Telephone ATT control
terminal
Remote controller input
terminal
BUS control input terminal
(CDX-CA680X only)
BUS audio input terminal
(CDX-CA680X only)
Tone controls Low ±10 dB at 60 Hz
(XPLOD)
Mid ±10 dB at 1 kHz
(XPLOD)
High ±10 dB at 10 kHz
(XPLOD)
Power requirements 12 V DC car battery
(negative ground)
Dimensions Approx. 178 × 50 × 180 mm
(w/h/d)
Mounting dimension Approx. 182 × 53 × 161 mm
(w/h/d)
Mass Approx. 1.2 kg
Supplied accessories Parts for installation and
connections
Front panel case (1)
Design and specifications are subject to change without
notice.
9-874-248-01
2002K0400-1
© 2002. 11
FM/MW/LW COMPACT DISC PLAYER
Sony Corporation
e Vehicle Company
Published by Sony Engineering Corporation
1
3-2. BLOCK DIAGRAM — CD SECTION —
OPTICAL PICK-UP
(KSS-720A)
RF AMP,DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC1
CDX-CA680X/L580X
PD
LD
A
C
B
D
E
F
FOCUS
COIL
I-V
CONV.
LD
DRIVE
Q1
A
84
C
85
B
82
D
83
E
87
F
86
PD
97
LD
98
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING MOTOR DRIVE
FSC
16
FSC
15
TRACKING
ERROR
LD AMP
IC2
+
FOCUS
COIL
DRIVE
FD
26
FORCUS
ERROR
RF
EQ
EFM
DEMOD
SERVO
CTL
FDTDSD
62 63 64 65
MD
D/A
CONV
DSUB CODE
PROCESS
I/F
OSC
23 24
X1
16.9344MHz
LOUT
ROUT
PACK
TSTB
SCK
STB
RST
RFOK
(Page 16)
TUNER
16
12
52
56
SI
8
SO
7
6
5
AO
4
3
2
SW1
(DISC IN)
CDL
CDR
SECTION
A
SYSTEM CONTROL
CD PACK
31
TSTB
51
21
CD_TSO
22
CD_TSI
23
CD_TCKO
55
STB
54
AO
53
CD_RST
52
RFOK
60
INSW
IC501 (1/3)
TRACKING
COIL
M902
(SLED)
M901
(SPINDLE)
M903
(LOADING)
17
18
+-
M
13
14
+-
M
11
12
+-
M
9
10
TRK
TRK
SL-
SL+
SP-
SP+
LD-
LD+
+
-
TRACKING
COIL
DRIVE
SLED
MOTOR
DRIVE
SPINDLE
MOTOR
DRIVE
LOADING
MOTOR
DRIVE
MD
LOAD
EJECT
50
SW2
TD
23
SD
5
6
1
2
A5V
AU5V
D5V
DR6V
SERVO 5V
MECH6V
(SELF)
SW3
(LIMIT)
SW5
(DOWN)
CD_SELFSW
LIMIT
57
59
D_SW
CD_L_ LO
62
63
CD_LM_EJ
RESET
IC602
33
1
S702
RESET
RESET
B.UP+B
3
Signal path
: CD
15 15
CDX-CA680X/L580X
3-3. BLOCK DIAGRAM — TUNER SECTION —
J1
(ANTENNA)
TUNER UNIT
ANT
1
MUTE-CONDITION
TU1
S-METER
TU-SDA
TU-SCL
E2P-SDA
E2P-SCL
QUALITY
TU-MUTE
TU-VDD
VCC(8.3V)
L-CH
R-CH
RDS
4
3
6
14
13
9
17
16
5
8
7
11
10
R-CH
X51
4.332MHz
Q22
(Page 15)
RDS DEMODULATOR
MPX
16
OSCO
4
OSCI
5
IC51
VDD
A
CD
SECTION
SDA
SCL
DAVN
+5V REG.
Q1
CDL
CDR R-CH
9
10
8
AUDIO 8.3V
BUS-LCH
5
CD-LCH
9
TV-LCH
7
SDA
27
SCL
26
25
SYSTEM CONTROL
VOLATT
70
VSM
2
I2C_SIO
45
47
I2C_CKO
DAVN
27
87
E2P_SIO
E2P_CKO
86
QUALITY
3
85
NS-MASK
88
TU-ATT
30
TU-ATTIN
MUTE
IC501 (2/3)
I2C
BUS
STB
BEEP
TELATT
ACCIN
TESTIN
ATT
DIAG
SYSRST
BUSON
UNISI
UNICKO
UNISO
BU IN
SOUND CONTROL
ELECTRONIC VOLUME
IC401
INPUT SELECTOR
CONT.
69
35
40
38
37
67
68
24
25
43
44
42
28
BATT
CA680X
EVR
13
12
8
9
11
13
EFFECT
TONE
BUS INTERFACE
B/U-C
BUSON
DATA IN
DATA OUT
CLK IN
B/U-C
BACK-UP CHECK/
LOW VOLTAGE
LINE MUTE
CONTROL
Q478,479
IC580
CHECK
Q581,582
BUSON
DATA I/O
CLK
CLK
CLK
VCC
OUT
OUT
-RL
1
6
4
2
3
J330
L
-3
CN601
19
17
18
-4
-1
-2
-1
-2
1
9
2
10
4
12
3
11
13
7
15
5
6
8
16
R
L
R
L
R
FL+
FL-
RL+
RL-
FR+
FR-
RR+
RR-
ATT
ACC
TEST
ANP-R
ANT-R
GND
+B(BATT)
R-CH
R-CH
22
AUDIO 8.3V
POWER AMP
IC750 (1/2)
-FL
19
MUTE
Q441
18
MUTE
Q461
CN580
BUS
CONTROL IN
8
6
3
5
2
4
1
7
BATT
OVER VOLTAGE
DET.
Q580,D580,581
BATT
12
11
STB
22
BEEP
16
SDA
2
SCL
4
ACC
DETECT
Q631
MULTIPLE VOLTAGE
REGULATOR
IC750 (2/2)
AMP-REM
ANT-REM
DIAG
25
PANEL+B
MECH 6V
SERVO 5V
AUDIO 8.3V
MUTE
MUTE
CONT.
I2C
BUS
B.UP+B
29
27
37
34
33
31
30
35
VP
VP2
VP1
TEL
ATT
Q651
5
3
9
7
6
20
D759
D760
B.UP+B
PANEL+B
MECH 6V
SERVO 5V
AUDIO 8.3V
BATT
R-CH
R-CH
F901
10A
• Signal path
: FM
CA680X
BUS AUDIO IN
AUDIO OUT REAR
CA680X
AUDIO OUT FRONT
: CD
• R-ch is omitted due to same as L-ch.
L580X
1616
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