Sony CDX-L350 - Fm/am Compact Disc Player User manual

1
Ver 1.1 2001. 02
Model Name Using Similar Mechanism CDX-CA650
CD Drive Mechanism Type MG-393X-121//Q
Optical Pick-up Name KSS-720A
SERVICE MANUAL
AEP Model
UK Model
CDX-L350/L360
E Model
CDX-L350
CDX-L350/L360
FM/MW/LW COMPACT DISC PLAYER
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 45 W ×4 (at 4 ohms)
SPECIFICATIONS
General
Outputs Power aerial relay control
lead
Inputs TelephoneATT control lead
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 ×177 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.
Photo: CDX-L350
• The tuner and CD sections have no adjustments.
Sony Corporation
Audio Entertainment Group
General Engineering Dept.
9-870-278-12
2001B0400-1
© 2001. 2

15 15
CDX-L350/L360
82
83
84
85
16
12
D/A
CONV
TRACKING
ERROR
FORCUS
ERROR
9
1
OSC
EFM
DEMOD
SERVO
CTL
RF
EQ
52
56
DSUB CODE
PROCESS
8
7
6
5
4
3
2
56
60
30
57
59
68
79
31
51
21
22
23
55
54
53
52
I/F
87
86
97
98
LD
DRIVE
Q1
FOCUS
COIL
DRIVE
TRACKING
COIL
DRIVE
SLED
MOTOR
DRIVE
SPINDLE
MOTOR
DRIVE
LOADING
MOTOR
DRIVE
6
5
23
2
15
16
17
18
13
14
11
12
9
10
26
62 63 64 65
63
62
33
POWER
CONTROL
Q332
POWER
CONTROL
Q333
REG
Q331
REG
Q341
M902
(SLED)
M901
(SPINDLE)
M903
(LOADING)
SW3
(LIMIT)
SW2
(SELF)
SW4
(DOWN)
SW1
(DISC IN)
X1
16.9344MHz
OPTICAL PICK-UP
KSS-720A
I-V
CONV.
CDL
CD PACK
TSTB
STB
AO
CD TSO
CD TSI
CD TCKO
CD RST
RFOK
XEN
IN SW
LIMIT
CD SELF SW
D SW
CD LM LO
CD LM EJ
CDMD ON
XCD ON
R-CH
TUNER
SECTION
A
23 24
M
M
M
1RESET
S702
RESET
3
IC602
BU 5V
BATT
LOUT
ROUT
PACK
TSTB
SI
RFOK
SO
SCK
STB
AO
XTALEN
RST
RESET
A
C
B
D
E
F
PD
LD
A
C
B
D
E
F
PD
LD
LD AMP
FOCUS
COIL
TRACKING
COIL
FD
TD
SD
MD
LOAD
EJECT
SYSTEM CONTROL
IC501(1/3)
RF AMP,DIGITAL SERVO
DIGITAL SIGNAL PROCESSOR
IC1
FOCUS/TRACKING COIL DRIVE
SLED/SPINDLE/LOADING MOTOR DRIVE
IC2
FD TD SD MD
•Signal path
:CD
A5V
AU5V
D5V
DR6V
3-2. BLOCK DIAGRAM — CD SECTION —
(Page 16)

1616
CDX-L350/L360
J10
(ANTENNA) 210
1
ANTFM MPX
CDL
8
AM DET
14
S-METER
12
I2C SDA
13
I2C SCL
9
RDS DET
17
E2PROM SDA
18
E2PROM SCL
ANTAM
TUNER UNIT
TU10
FM BUFFER
Q21
NOISE
SUPPRESSOR
6 1
IC20
Q22
NOISE
SUPPRESSOR
ON
7
90
2
45
47
70
14
15
20
21
18
11
13
1
30
SYSTEM CONTROL
IC501 (2/3)
ELECTRONIC VOLUME
IC401
OUT FL
29
OUT RL
35
BEEP
ATT
67
69
AMP ON
66
AMP ATT
40
TEL ATT
38
ACC IN
SE L
MPX
AM
LEVEL
MPIN
SDA
SCL
SM
VOL ATT
QUALITY
NS MASK
VSM
I2C SIO
I2C CKO
MPTH
DAVN
E2P SIO
E2P CKO
CD
SECTION
A
MUTE
CONT
Q478,479
Q451
MUTE
Q431
MUTE
22 MUTE
4STBY
16 AUX
11
12 5
3
9
7
POWER AMP
IC404
1
9
2
10
CNP601
FL+
FL–
RL+
RL–
4
12
FR+
FR–
3
11
RR+
RR–
16 BATT
13 ATT
6ANT R
R-CH
BATT
F901
TEL
ATT
Q651
7ACC
15 TEST
49
50
TUN ON
37
TEST IN
ACC
CHECK
Q631
POWER SUPPLY
IC601
3
PW ON
28
BU IN
4
2
7
BATT
BATT
BATT
VCC
8
ANT +B
9
COM 8V
10
TU 5.6V
11
TU 8.7V
COM 8V
5
BU+B BU 5V
TU 5.6V
TU 8.7V
8.7V ON
5.6V ON
STB
9
20 2
10
MULTI
PATH
DET
LV IN
16
4 5
8
RDS/RDBS
DEM/DEC
8
27
MPX
OSCO OSCI
SDA SCL
X51
4.332MHz
87
86
RDS DECODER
IC51
•Signal path
:FM
:MW
:CD
BATT DET
Q551,557
BATT DET
Q556
3-3. BLOCK DIAGRAM — TUNER SECTION —
(Page 15)

17 17
CDX-L350/L360
3-4. BLOCK DIAGRAM — DISPLAY SECTION — 3-5. CIRCUIT BOARDS LOCATION
KEY MATRIX
LSW901-915
S901-908
KEY
ACTIVE
Q664
DOOR IND
DRIVE
Q633
J561
(REMOTE IN)
X502
32.768kHz
15
16
12
13
518
20
194
26
91
98
6
SYSTEM CONTROL
IC501 (3/3)
LCD DRIVE
IC901
KEY IN0 LCD SO
LCD CKO
LCD CE
POWER
CONT
Q661,662
92
DOOR IND
KEY IN1
KEY ACK
AD ON
RC IN1
RC IN0
ILL +B
XIN
XOUT
OSC OUT
93
ILL ON
BATT
OSC IN
X501
18.432MHz
LED801,LSW801
64
63
62
LCD901
L360
DI
CL
CE
MAIN board
SUB board
LIMIT board
DISC IN board
LOAD board
KEY board SERVO board
tuner uni
t
(TU10)
IC1 uj (RFO)
• Waveforms
— Servo Board —
(MODE: CD PLAY)
1
2
3
IC1 ts (PACK)
0V
1.8Vp-p
16.9344MHz
IC1 wd (X TAL)
0V
4
Approx. 620mVp-p
IC1 oa (FEO)
5
Approx. 200mVp-p
IC1 od (TEO)
2.4Vp-p
4.8Vp-p
3.4msec
32.768kHz
IC501 qh (XIN)
— Main Board —
1
2
3
18.43MHz
IC501 qs
5.2Vp-p
4.332MHz
IC51 5(OSCI)
5.2Vp-p
3.6Vp-p

2020
CDX-L350/L360
IC B/D
IC B/D
• Refer to page 17 for Waveforms.
3-7. SCHEMATIC DIAGRAM — CD MECHANISM SECTION — • Refer to page 26 for IC Block Diagrams.
Note:
•Voltage is dc with respect to
ground under no-signal conditions.
no mark : CD PLAY
(Page 22)

2222
CDX-L350/L360
IC B/D
IC B/D
• Refer to page 17 for Waveforms.
3-9. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 26 for IC Block Diagrams.
Note:
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
( ) : MW
< > : CD PLAY
(Page 20)
(Page 23)

23 23
CDX-L350/L360
IC B/D
3-10. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 26 for IC Block Diagrams.
Note:
•Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
(Page
22)
(Page 25)

25 25
CDX-L350/L360
3-12. SCHEMATIC DIAGRAM — KEY SECTION —
Note:
•Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
(Page 23)