CDX-L450
SERVICE MANUAL
Ver 1.0 2000. 12
The CDX-L450 is a front panel changed version of the CDX-4000R MODEL.
This service manual describes only differences from the CDX-3900R/4000R/4000RX.
Refer to the service manual for CDX-3900R/4000R/4000RX (9-870-071-S) for other information.
DIFFERENCE OF PARTS LIST
Page CDX-4000R CDX-L450
Ref. No. Part No. Description Remark
41
53
55 X-3378-514-1 PANEL SUB ASSY
3-044-185-11 MANUAL, INSTRUCTION, INSTALL
(ENGLISH,SPANISH,SWEDISH,
3-044-185-21 MANUAL, INSTRUCTION, INSTALL
(FRENCH,GERMAN,DUTCH,ITALIAN,
3-044-185-31 MANUAL, INSTRUCTION, INSTALL
(ENGLISH,CZECH,POLISH,TURKISH,
3-044-187-11 MANUAL, INSTRUCTION (ENGLISH,
SPANISH,SWEDISH,PORTUGUESE)
3-044-187-21 MANUAL, INSTRUCTION (FRENCH,
GERMAN,DUTCH,ITALIAN,GREEK)
PORTUGUESE)
GREEK)
RUSSIAN)
Part No. Description Remark
X-3380-204-1 PANEL SUB ASSY
3-227-793-11 MANUAL, INSTRUCTION, INSTALL
(ENGLISH,FRENCH,GERMAN,ITALIAN,
3-227-793-21 MANUAL, INSTRUCTION, INSTALL
(ENGLISH,SPANISH,SWEDISH,PORTUGUESE
3-227-740-11 MANUAL, INSTRUCTION (ENGLISH,FRENCH,
3-227-740-21 MANUAL, INSTRUCTION (ENGLISH,SPANISH,
SWEDISH,PORTUGUESE,GREEK,RUSSIAN)
AEP Model
UK Model
DUTCH)
GREEK,RUSSIAN)
GERMAN,ITALIAN,DUTCH)
3-044-187-31 MANUAL, INSTRUCTION (GERMAN)
3-044-187-41 MANUAL, INSTRUCTION (ENGLISH,CZECH,
POLISH,TURKISH,RUSSIAN)
FM/MW/LW COMPACT DISC PLAYER
9-870-237-11
Sony Corporation
Audio Entertainment Group
Printed in Japan ©2000. 12
2000L0441-1D
Published by General Engineering Dept.
CDX-3900R/4000R/4000RX
SERVICE MANUAL
Ver 1.2 2001. 05
Photo: CDX-4000RX
• The tuner and CD sections have no adjustments.
SPECIFICATIONS
AEP Model
UK Model
Model Name Using Similar Mechanism NEW
CD Drive Mechanism Type MG-383Z-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 8 dBf
Selectivity 75 dB at 400 kHz
Signal-to-noise ratio 66 dB (stereo),
72 dB (mono)
Harmonic distortion at 1 kHz
0.6% (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
Power aerial relay control
lead
Power amplifier control
lead
Telephone ATT control
lead (CDX-4000R/4000RX only)
Tone controls Bass ±9 dB at 100 Hz
Treble ±9 dB at 10 kHz
Power requirements 12 V DC car battery
(negative ground)
Dimensions Approx. 178 × 50 × 183 mm
(w/h/d)
Mounting dimension Approx. 182 × 53 × 162 mm
(w/h/d)
Mass Approx. 1.2 kg
Supplied accessories Parts for installation and
connections (1 set)
Front panel case (1)
Design and specifications are subject to change without
notice.
9-870-071-12
2001E0400-1
© 2001. 5
FM/MW/LW COMPACT DISC PLAYER
Sony Corporation
e Vehicle Company
Shinagawa Tec Service Manual Production Group
1
3-2. BLOCK DIAGRAM — CD SECTION —
CDX-3900R/4000R/4000RX
OPTICAL PICKUP
KSS-720A
A
C
B
D
E
F
PD
LD
FOCUS
COIL
TRACKING
COIL
I-V
CONV.
M902
SLED
MOTOR
M901
SPINDLE
MOTOR
A
5
C
7
B
6
D
8
FOCUS
ERROR
E
11
TRACKING
F
ERROR
10
PD
4
LD
LD
DRIVE
Q101
TRACKING/FOCUS COIL DRIVE
SLED/SPINDLE/LOADING MOTOR DRIVE
10
11
12
13
AMP
LD
3
IC7
FOCUS
COIL
DRIVE
TRACKING
8
COIL
DRIVE
9
SLED
6
MOTOR
7
DRIVE
SPINDLE
MOTOR
DRIVE
RF AMP, LD APC,
ERROR AMP
IC1
22
21
25
24
31
32
18
RFO RFAC
RF
EQ
FE
TE
LD ON
HOLD SW
AGC CONT
16
14
13
22
21
20
DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC501
LOUT1
LOUT2
LOCK
SQSO
SQCK
SCOR
XRST
DATA
XLAT
SCLK
CLOK
SENS
XTALI
XTALO
MD2
GFS
FOK
92
95
34
6
7
24
73
11
13
14
17
15
16
22
32
86
87
SW4
(LIMIT)
SW1
(DISC IN)
SW3
(LOAD IN)
SW2
(SELF)
RFDC
FE
TE
SE
FFDR
FRDR
TFDR
TRDR
SFDR
SRDR
MDP
EFM
DEM
SERVO
CTL
61
54
50
52
51
42
43
40
41
38
39
35
D/A
I/F
DIGITAL
CLV
D/A
CONV.
SUB
CODE
PROCESS
X2
16MHz
CD L
R-CH
TUNER
A
SECTION
CD SYSTEM CONTROL
LOCK
46
SI2
49
SCK2
48
SCOR
64
MD2
71
CD RST
21
CD DATA
67
CD XLAT
68
SCLK
45
CD CKO
65
SENS
57
GFS
55
FOK
54
SSTP
11
D SW
10
IN SW
64
SELF SW
63
(Page 22)
IC5
A MUT
OPEN
BUS CLK
BUS SI
BUS SO
BUS ON
RESET
BU IN
X IN
X OUT
19
51
52
53
61
30
60
31
32
6
(KEY BOARD)
X1
10MHz
ATT
SW503
(RESET)
TUNER
B
SECTION
(Page 22)
SYSTEM CONTROL
IC501 (1/3)
ATT
58
DOOR SW
12
UNI CKI
20
UNI CKO
19
UNI SO
18
UNI SI
17
BUS ON
3
SYS RST
11
BU IN
77
RSTX
90
HSTX
86
IC652
1 3
RESET
BATT (H)
CHECK
Q701
BATT (L)
CHECK
Q702,703
BU 5V
BATT
BATT
M903
LOADING
MOTOR
04
LOADING
5
MOTOR
4
DRIVE
MUTE 1
MUTE 2
1
2
34
35
POWER
CONT
CD 5V
CD 6V
5V REG
Q364
Q365
6V REG
Q362
11V REG
Q361
POWER
CONT
Q363
BATT
69
66
40
70
20
22
23
18
17
LM EJ
LM LOD
SLED –
DRIVE ON
LD ON
HOLD
AGC CONT
CD ON
CDM ON
• Signal path
:CD
21 21
CDX-3900R/4000R/4000RX
3-3. BLOCK DIAGRAM — TUNER SECTION —
CNJ151
AUDIO OUT REAR
–1L–2
R
J1
(ANTENNA)
04
TUNER UNIT
TU1
ANTFM MPX
2 10
AM DET
ANTAM
1
IF AM
S-METER
I2C SDA
I2C SCL
RDS DET
FM AGC
E2PROM SDA
E2PROM SCL
ELECTRONIC VOLUME
IC151
Q171
MUTE
ATT
BATT
R-CH
B
CD
SECTION
(Page 21)
ACC
CHECK
Q661
POWER SUPPLY
7 6
VCC AMP +B
2
8.7V ON
3
5.6V ON
4
STB
IC671
COM 8V
TU 5.6V
TU 8.7V
A
CD
X51
CDL
Q121
MUTE
RDS DECODER
IC51
8
Q111
MUTE
IC90
NOISE
DET
NOISE ON
9
MULTI
PATH
RDS/RDBS
DEM/DEC
4 5
SECTION
Q90
10
DET
MUTE
CONT
Q131
4.332MHz
(Page 21)
8
19
BUFFER
Q1
5 1
14
12
13
SDA SCA
LV IN
20 2
9
4
17
18
MPX
16
OSCO OSCI
SEL
1
MPX
13
AM
11
AM IF
12
LEVEL
14
MPIN
15
SDA
20
SCL
21
SM
18
SYSTEM CONTROL
VOL ATT
57
TUN ATT
56
QUALITY
50
NS MASK
32
VSM
53
I2C SIO
70
I2C CKO
71
MPTH
52
DAVN
64
FM AGC
51
E2P SIO
9
E2P CKO
10
IC501 (2/3)
AMP MUTE
OUT LF
OUT LR
BEEP
AMP ON
TEL ATT
ACC IN
TEST IN
TU ON
PW ON
30
29
16
59
60
79
82
81
120
Q181
MUTE
MUTE
CONT
Q621, 622
1
POWER AMP
IC611
12
11
AUX IN
16
STAND BY
4
MUTE
22
TEL
ATT
Q571
8
ANT +B
5
BU +B BU 5V
9
10
11
COM 8V
TU 5.6V
TU 8.7V
5
3
9
8
R-CH
BATT
F901
• Signal path
:FM
:MW
:CD
CN601
1
FL+
9
FL–
2
RL+
10
RL–
4
FR+
12
FR–
3
RR+
11
RR–
16
BATT
13
ATT
7
ACC
15
TEST
5
AMP R
6
ANT R
4000R/4000RX
2222
CDX-3900R/4000R/4000RX
3-4. BLOCK DIAGRAM — DISPLAY SECTION —
SYSTEM CONTROL
04
KEY MATRIX
LSW901-917
S901-904
LSW801
J501
(REMOTE IN)
ACTIVE
ACTIVE
ROTARY
ENCODER
RE901
SW504
(NOSE DET)
KEY
Q651
KEY
Q652
KEY ACT
X502
32.768kHz
KEY IN0 DATA
46 13
KEY IN1
KEY ACK
76
AD ON
35
RC IN1
85
RC IN0
48
RE IN0
36
RE IN1
37
NOSE SW
67
XOA
73
XIA
74
IC501 (3/3)
DOOR IND
LCD SO
LCD CKO
LCD CE
ILL ON
3-5. CIRCUIT BOARDS LOCATION
LCD DRIVE
IC901
64
14
1547
29
7
XO
92
XI
93
63
62
DOOR IND
DRIVE
Q551
POWER
CONT
Q633
BATT
X501
3.68MHz
CL
CE
GREEN
2
AMBER
1
3900R/
4000R
LED801-803 LED910-915 LSW901-907,909-917
+10V REG
Q631
ILL +B
LCD901
AMBER
DRIVE
Q901
LED901-904
GREEN
DRIVE
Q902
SUB (CD) board
LOAD SW board
DISC IN SW board
KEY board
SUB board
LIMIT SW board
tuner uni
(TU1)
MAIN board
SERVO board
23 23
CDX-3900R/4000R/4000RX
3-7. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (1/2) — • Refer to page 37 for IC Block Diagrams.
(Page 27)
• Waveforms (MODE:PLAY)
1
0V
Approx. 200mVp-p
qd
(TE)
IC1
2
0V
Approx. 620mVp-p
qf
(FE)
IC1
3
1.2Vp-p
qh
(RFO)
IC1
(Page 31)
Note:
• Voltage and waveforms are dc
with respect to ground
under no-signal conditions.
no mark : CD PLAY
(Page 27)
2626