cdx-l300/l460x - · pdf fileoptical pick-up name kss-720a service manual us model canadian...
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1
Model Name Using Similar MechanismCDX-L250/L430XNEW
CD Drive Mechanism TypeMG-393X-121//KMG-393XA-121//K
Optical Pick-up Name KSS-720A
SERVICE MANUAL US ModelCanadian Model
CDX-L300
E ModelCDX-L460X
CDX-L300/L460X
FM/AM COMPACT DISC PLAYER
Photo: CDX-L460X
• The CD sections have no adjustments.
AUDIO POWER SPECIFICATIONS (US Model)POWER OUTPUT AND TOTAL HARMONIC DISTORTION22 watts per channel minimum continuous average power into4 ohms, 4 channels driven from 20 Hz to 20 kHz with no morethan 5% total harmonic distortion.
CD player sectionSignal-to-noise ratio 90 dBFrequency response 10 – 20,000 HzWow and flutter Below measurable limitLaser Diode Properties (CDX-L300)
Material GaAlAsWavelength 780 nmEmission Duration ContinuousLaser output power Less than 44.6 µW*
* This output is the value measured at a distanceof 200 mm from the objective lens surface on theOptical Pick-up Block.
Tuner sectionFMTuning range CDX-L300:
87.5 – 107.9 MHzCDX-L460X:FM tuning interval:50 kHz/200 kHzswitchable87.5 – 108 MHz(at 50 kHz step)87.5 – 107.9 MHz(at 200 kHz step)
Antenna terminal External antenna connectorIntermediate frequency 10.7 MHzUsable sensitivity 11 dBfSelectivity 75 dB at 400 kHzSignal-to-noise ratio 65 dB (stereo),
68 dB (mono)
SPECIFICATIONS
Harmonic distortion at 1 kHz0.7% (stereo),0.5% (mono)
Separation 33 dB at 1 kHzFrequency response 30 – 15,000 Hz
AMTuning range CDX-L300:
530 – 1,710 kHzCDX-L460X:AM tuning interval:9 kHz/10 kHzswitchable531 – 1,602 kHz(at 9 kHz step)530 – 1,710 kHz(at 10 kHz step)
Antenna terminal External antenna connectorIntermediate frequency 10.7 MHz/450 kHzSensitivity 30 µV
Power amplifier sectionOutputs Speaker outputs
(sure seal connectors)Speaker impedance 4 – 8 ohmsMaximum power output 45 W × 4 (at 4 ohms)
– Continued on next page –
Ver 1.0 2001. 11
9-873-402-012001K0400-1
© 2001. 11
Sony Corporatione Vehicle Company
Published by Sony Engineering Corporation
21 21
CDX-L300/L460X
84
85
82
83
1612
D/ACONV
TRACKINGERROR
FORCUSERROR
9
1
OSC
EFMDEMOD
SERVOCTL
RFEQ
5256
5455
DSUB CODEPROCESS
8
7
6
5
4
3
2
62
1
45
2
63
50
51
54
55
56
61
60
58
57
I/F
87
86
97
98
LDDRIVE
Q1
FOCUSCOIL
DRIVE
TRACKINGCOIL
DRIVE
SLEDMOTORDRIVE
SPINDLEMOTORDRIVE
LOADINGMOTORDRIVE
6
5
23
2
15
16
17
18
13
14
11
12
9
10
26
62 63 64 65
5
4
36
POWERCONTROLQ905,906
POWERCONTROL
Q921
REGQ907,D908
REGQ910,D910
M902(SLED)
M901(SPINDLE)
M903(LOADING)
SW3(DISC IN)
SW2(SELF)
SW4(LIMIT)
SW1(DOWN)
X116.9344MHz
OPTICAL PICK-UPKSS-720A
I-VCONV.
CDL
STB
A0
X_SO
X_SI
X_SCK
X_RST
RFOK
XEN
D_SW
IN_SW
SELF_SW
L_SW
LM _LO
LM_ EJ
CDM ON
XCD_ON
R-CH
MAINSECTION
A
23 24
M
M
M
1 RESET
S581(RESET)
2
IC902
U_COM+5V
BATT
D909
LOUTROUT
PACKTSTB
TSITSCK
SI
RFOK
SO
SCK
STB
AO
XTALEN
RST
RESET
A
C
B
D
E
F
PD
LD
B
D
A
C
E
F
PD
A5V
LD
APC
FCS-
FCS+
TRK+
TRK-
SL-
SL+
SP+
SP-
LD-
LD+
FOCUSCOIL
TRACKINGCOIL
FD
TD
SD
MD
LOAD
EJECT
SYSTEM CONTROLIC801(1/3)
RF AMP,DIGITAL SERVODIGITAL SIGNAL PROCESSOR
FOCUS/TRACKING COIL DRIVE,SLED/SPINDLE/LOADING MOTOR DRIVE
FD TD SD MD
• Signal path
:CD
• R-ch is omitted due to
same as L-ch.
A_5V
AU_5V
D_5V
DR_6V
IC1(MG-393X-121//K) IC1(MG-393XA-121//K)
IC2(MG-393X-121//K) IC2(MG-393XA-121//K)
3-2. BLOCK DIAGRAM — CD SECTION —
(Page 22)
2222
CDX-L300/L460X
3-3. BLOCK DIAGRAM — TUNER SECTION —
(Page 21)
CNJ601(ANTENNA) 2 16
1
FM_ANT L-CH17R-CH
CDL
24DET_OUT
11FM/AM_OSC
14AM_VT6FM_VT
20IF_COUNT19OSC-IN
21
12
9
S_METER
TU+B
22SD/ST_IND
FM_VCC
AM_VCC
AM_ANT
TUNER UNITTU601
111213
2136
1721
18
14
5
SYSTEM CONTROLIC801 (2/3)
PLLIC601
ELECTRONIC VOLUMEIC401
LF OUT
4
3334
LR OUT
RF OUTR-CH
RR OUT
8BEEPATT
53
7
P.ON6A_ATT
59ACC IN
L5
L1
L2R2
CEDICL
VOL_CLKVOL_DOVOL_CE
172221
PLL_DIPLL_DOPLL_CLK
23 PLL_CE
LCL
DST_SEL
S_METER
FM 200kAM 10k
FM 50kAM 9k
FREQUENCYSELECT
FM POWERCONTROLQ605,606
SW801
L300 L460X
SD_IND
AUDIO OUT REAR
CDSECTION
A
MUTECONT
Q401,402
Q102MUTE
R-CH
DELAY BATT
BATT
Q909
BATT
D402
Q101MUTE
22 MUTE4 STBY
16 AUX-IN
11
1253
97
POWER AMPIC101
19
210
CNP501
R-CH
PJ401
FL+FL–
RL+RL–
412
FR+FR–
311
RR+RR–
16 +B (BATT)
5 AMP REM
6
8
17
ANT REM
GND
R-CH
F90110A
7 ACC
15 TEST33TEST
AMP_ON
ACCCHECKQ902
32
13•
25FM/AM_VCC
2628
( )
19
18
L
R
• Signal path
:FM
:AM
:CD
• R-ch is omitted due to
same as L-ch.
AMP POWERCONTROLQ911,917
BACK-UP CHECKQ903,904,D906,907
TUNER+8V REGQ912,913,D913
COM+8V REGQ918,919,929,D923
U_COM+5 V REGQ920,D930,D999U_COM+5V
COM+8V
TU+B
R-CH
8
FM_VCO15AM_VCO16
FM_CP18VT19AM_CP20
OSC2SEEK XO
XI
10IFC13MONO11 24
1
CE 3CK 5
D_IN 4D_OUT 6
X60110.25MHz
3AM_DX/LCL
52TU_ON
46BU_IN
15FM_ON
14AM_ON
49
AM POWERCONTROLQ603,604
23
CDX-L300/L460X
3-4. BLOCK DIAGRAM — DISPLAY SECTION —
KEY MATRIXS501-511,S512-521
KEYACTIVEQ916
X80232.768kHz
37
38
40
41
2918201930
43
47
SYSTEM CONTROLIC801 (3/3)
LCD DRIVEIC551
KEY 0DATACLKCE
LCD DOLCD CLK
LCD CE
ILL POWERCONTROLLER
Q914
INITIALRESETD552
SWITCHQ915
ILL + B
KEY 1KEY 1
KEY 0
KEY ACK
AD ON
XT2
XT1
X2
48ILL ON
BATT
X1
X8018.38MHz LED501-504
D561-581
LCD BACKLIGHT
626160
COM1
COM2
LCDLCD501
D914
( )
KEYILLUMINATION( )
64•
63
1|
23•
25|
53
•
SEG1
SEG52|
DATACLKCE
ILL+B
57
INH
24
CDX-L300/L460X
3-5. CIRCUIT BOARDS LOCATION
MAIN board
tuner unit (TU601)
DISPLAY board
SERVO board
IN SELF SW boardSPEAKER board
SL SW board
• Waveforms— Servo Board —
(MG-393X-121//K)(MODE: CD PLAY)
1
2
3
IC1 ts (PACK)
IC1 uj (RFO)
1.2Vp-p
4
Approx. 1Vp-p
IC1 oa (FEO)
0V
5
Approx. 400mVp-p
IC1 od (TEO)
4.4Vp-p
16.9344MHz
IC1 wd (XTAL)
3Vp-p
0V
22.7µsec
• Waveforms— Servo Board —
(MG-393XA-121//K)(MODE: CD PLAY)
1
2
3
IC1 ts (PACK)
IC1 uj (RFO)
1.2Vp-p
4
Approx. 1Vp-p
IC1 oa (FEO)
0V
5
Approx. 400mVp-p
IC1 od (TEO)
4.4Vp-p
16.9344MHz
IC1 wd (XTAL)
3Vp-p
0V
22.7µsec
— Main Board —
1
2
32.768kHz
IC801 ej (XT2)
3.8Vp-p
5Vp-p
8.38MHz
IC801 r; (X2)
25 25
CDX-L300/L460X
3-6. SCHEMATIC DIAGRAM • Refer to page 24 for Waveforms.
— CD MECHANISM SECTION (MG-393X-121//K) — • Refer to page 36 for IC Block Diagrams.
IC B/D
IC B/D
(Page 33)
Note:• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.no mark : CD PLAY
3030
CDX-L300/L460X
IC B/D
IC B/D
TP77TP78
R29R30
C43
TP79TP80
TP81TP82TP83TP84
CN2
CN3
TP85
M902
M901
SW2 TP4TP2
TP3
M903
TP87
TP86
TP9 TP8
R3 R26
C4
TP10
C13
R5
C11
C10
C8
TP7
TP92
R6TP17TP20TP16TP19
R25TP21TP18
R24
R7
TP6
C17
FB1
TP11
TP12 C9
C14
TP89
C19
C20 C23
R9
R8 TP
22TP
23TP
24TP
25
TP88
FB4
C26
TP32
R14
R15
TP30
R12
R10
TP91 C37
TP90
TP29
TP28TP26
TP27
R21
R22
TP34TP35
TP36
TP46
TP37TP38TP39TP40
TP41TP42TP43TP44TP45
C35
FB2
CN1
R18
R19
R20
R17
TP66
FB7
FB6
TP62TP47TP63TP48
TP49TP64TP50
TP51
TP52TP68TP53TP69TP54TP70TP55TP71TP56TP72TP57TP73TP58TP74TP59TP75TP60TP76TP61
X1
SW3
SW4
CN13
Q1
C18
IC2
FB3
IC1
SW1
TP1TP5
C44
C40
C1 C5 C3 C6
C15
C16
C24
C38
C36
C25
C29
C34
C45
C27C4
1
C22
C21
C30
(Page 33)
Note:• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.no mark : CD PLAY
3-9. SCHEMATIC DIAGRAM • Refer to page 24 for Waveforms.
— CD MECHANISM SECTION (MG-393XA-121//K) — • Refer to page 36 for IC Block Diagrams.
3232
CDX-L300/L460X
IC B/D
IC B/D
C604 C605
C608
C627
R605
R601
R603
R602C606
C603
C609
C610
L603
C612C613
R607C615
C619
R609
C621
R616R617
R618
X601C623
C622
C611
R606
C204R210
R208
R110C104R108
R107
R109C103
C105
C205
R105
R206
R106
C432
R612
R613
R619 C631
C626
C624L604
C118
C218
C217
C216C215
C213C211R215
R213C208
C435
C101
C102
C202
C201R401
C426
R407
C110R113
C116
C117
C111C113
C119
R716 R714
R906
D90
3
D90
4 C902
R90
1
D901
L901R620
R622
R628
C108
R604
CNJ601
R205
CNP501
C633
PJ401
R209
R207
JR10
1C407
Q603
C841C842
Q605
C625
R610
C618C617 R608
C614
D401
C214C114
C706
C707
C901
D444
R444
R410
D402
Q101
Q102
Q201
Q202
C203
R404
C115
R115
L601
C635
JW13
C620
R615
R408
IC101
D922
D919D918
D917D916
D915
D921D920
C401
C210
L605
C666
D601
CP601
JR602
C848
R614
D604
R611
Q401
Q402
D44
5
D446
IC401
C219
IC601
Q604Q606
L669
TU601
JR610
C650 C651R621 R623
D666
3-11. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 36 for IC Block Diagrams.-
(Page 33)
Note:• Voltage is dc with respect to ground under no-signal
(detuned) condition.no mark : FM( ) : AM< > : CD PLAY
33 33
CDX-L300/L460X
( M G - 3 9 3 X ) ( M G - 3 9 3 X A )
R908
R907C904
TH901
R933
Q919
R934
R932
D92
3C919
R930
D909
R931
Q920
D930
Q910
Q913
R912JR929R913
C905C907D
910
D90
8
R917
D91
3
R920
C916
R919
R918
Q915
R928
R925R926R927
R929
R924
R911
R910
D906
L703
L702
R921
R806R807R808
X802C802
C801
CNP701
R802
R815R814R813
R812R811R810
R824
R922R923
C809
SW801
CNP802
R817
R818
R822
R819
JR1
R711
R709R710
R707
R708
R706R705R704
R840
C810
R841R842
C843
C845D914
Q904D907
D999
C846
IC902
C915
C844
R909
R809
C914
Q907
C849
C806
X801C8
04
C803
JR901
IC801
R843
JR903
C909
L701
C847
Q916
D810Q909
Q912
Q905
Q906
Q921
Q914
Q929
Q918
Q911
Q917
Q902Q903
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( ) : AM< > : CD PLAY
(Page30)
(Page 32)
(Page 35)
(Page 25)
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 R568R579
R580
D581
R569
R570 R575
R573 R574 R582
D578
D571
D572
D552
R552 R553
C555 C553
D551 C552
C551 R551
R576 R583
R571 R581R572
D577
D576
D579
D580D569 D574CNP553
CNP551
R587R588
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
R577R563 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