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CDX-MP450X
SERVICE MANUAL
Ver 1.0 2001. 02
US Model
· The tuner and CD sections have no adjustments. AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION 19 watts per channel minimum continuous average power into 4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more than 1% total harmonic distortion. CD player section
System Signal-to-noise ratio Frequency response Wow and flutter Laser Diode Properties Material GaAlAs Wavelength 780 nm Emission Duration Continuous Laser output power Less than 44.6 µW* * This output is the value measured at a distance of 200 mm from the objective lens surface on the Optical Pick-up Block. Compact disc digital audio system 90 dB 10 20,000 Hz Below measurable limit
Model Name Using Similar Mechanism CD Drive Mechanism Type Optical Pick-up Name
NEW MG-383KU-121//K KSS-720A
SPECIFICATIONS
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/rear) Power Antenna relay control lead Power amplifier control lead Telephone ATT control lead Antenna input connector Remote controller input connector Bass ±9 dB at 100 Hz Treble ±9 dB at 10 kHz 12 V DC car battery (negative ground) Approx. 178 × 50 × 183 mm (7 1/8 × 2 × 7 1/4 in.) (w/h/d) Approx. 182 × 53 × 162 mm (7 1/4 × 2 1/8 × 6 1/2 in.) (w/h/d) Approx. 1.3 kg (2 lb. 10 oz.) Parts for installation and connections (1 set) Front panel case (1) Card remote commander RM-X114
Inputs
Tone controls Power requirements Dimensions Mounting dimensions Mass Supplied accessories
Tuner section
FM Tuning range Antenna terminal Intermediate frequency Usable sensitivity Selectivity Signal-to-noise ratio 87.5 107.9 MHz External Antenna connector 10.7 MHz 9 dBf 75 dB at 400 kHz 65 dB (stereo), 68 dB (mono) Harmonic distortion at 1 kHz 0.7% (stereo), 0.4% (mono) Separation 35 dB at 1 kHz Frequency response 30 15,000 Hz AM Tuning range Antenna terminal Intermediate frequency Sensitivity
Design and specifications are subject to change without notice.
530 1,710 kHz External Antenna connector 10.7 MHz/450 kHz 30 µV
FM/AM COMPACT DISC PLAYER
9-870-292-11
2001B0400-1 © 2001. 2
Sony Corporation
Audio Entertainment Group General Engineering Dept.
1
CDX-MP450X
3-2. BLOCK DIAGRAM -- TUNER SECTION --
TUNER UNIT TU601 CNJ601 (ANTENNA) 1 AM ANT 2 FM ANT L-OUT 18 R-OUT 16 AM DET 12
1
CD SECTION (Page 23)
R-CH 38 L1 L-CH 36 L3
ELECTRONIC VOLUME IC401 FL 21 Q406 37 L2 LTOUT 28 27 LSIN LSOUT RL 20 23 22 LFIN TONE
PJ401-3 L -4 R-CH PJ401-1 L -2 R-CH R AUDIO OUT REAR R AUDIO OUT FRONT
CE DI CL
18 17 16
Q405 SYSTEM CONTROL IC801(1/2)
(Page 24) MPEG SECTION
POWER AMP IC902 OUT2+ 12 IN2 OUT25 3
CNP901 1 9 FL+ FL
FM DET 22 LCL/DX 4 LOW PASS FILTER Q603,604
64 ST IN 39 LCL/DX VOL CE 47 VOL DATA 49 VOL CLK 48
4
A MUTE
VT 5
35 ED1 PDOUT 31 VCOH FM MUTE 8 MUTE DRIVE Q401,402 11 IN1
OUT1+ OUT1AUX IN STBY 4 MUTE 22
9 7
2 10
RL+ RL
VCO MONO S-METER SD IFC/SEEK
6 11 19 20 21
32 VCOL AM 45 MONO 26 S-METER 46 SD 29 FM IFC 28 AM IFC
BEEP 40
16
R-CH
FM +B 8
FM POWER CONTROL Q602,607
POWER CONTROL Q909,923,924
BATT
POWER IC ON 17 AMP MUTE 19 TEL MUTE 16 51 FM ON ACC CHECK Q913,914 ACC BATT
3 RR+ 11 RR4 FR+ 12 FR13 TEL MUTE 15 PERK
Q407
TU +B 9 AM POWER CONTROL Q601,606
ACC IN 41
AM +B 10
Signal path
BU IN 78 52 AM ON BU CHECK Q911,912,922 BATT BATT BU CHECK ANT ON 58
: FM : AM
5
MPEG SECTION (Page 24)
: CD AUDIO
DRIVER +5V
REG Q905
CD MECHA POWER CONTROL Q906-908
BATT MSC MSI MSO MSRQ MCS SYSRST SELF SW 68 69 70 71 72 6 MSC MSI MSO MSRQ MCS SYSRST
POWER SUPPLY IC901
2
MPEG SECTION (Page 24)
MECHA ON CD ON REG Q901,IC903 CD POWER CONTROL Q902-904
AM POWER CONTROL Q915,916
6
ANT REM
3
MPEG SECTION (Page 24)
BATT
AMP ON 60 VIDEO +6V BU+5V
1 AMP ON 5 BU+B
AMP+B 2 VCC 4 BATT
5
AMP REM
BATT
16
BATT
AUDIO+3.3V D+3.3V A+13.3V
8
CD SECTION (Page 23)
2 SELF SW BU+3.3V REG IC904
ACC
7 ACC 8 GND
22
22
CDX-MP450X
3-3. BLOCK DIAGRAM -- CD SECTION --
RF AMP IC511 RFAC RFAC
DSP IC516
OPTICAL PICK-UP BLOCK KSS-720A
VCA A+B+C+D
EQ
6
61
EFM DEM
D/A I/F
SERIAL I/F
PWM
AMP
92
L-CH
1
TUNER SECTION (Page 22)
PWM A B A + B + C + D
AMP
95
R-CH
A
6
B
7 8 9
AMP
RFDCO
23
XTAI 86 IC515 PCMDI 80 BCKI 82 LRCKI 78 RFDC PCMD
DA XCK DA DATA DA BCK DA LRCK
C
I-V CONV
C
D
D
7
MPEG SECTION (Page 24)
E
A+C
B+D FE
54 AMP
F
COMP
14
50
FE A/D CONV
79 BCK 81 LRCK 77 C2PO 23
CD PCMD CD BCK CD LRCK CD C2PO
6
MPEG SECTION (Page 24)
E 10 F 11 PD 2 PD
COMP
TE
16
52 51
TE SE EMPHI 84 LOCK 34 GFS 22 CD SYSTEM CONTROL IC513(1/2) 21 EMPHO 61 LOCK 56 GFS 43 TEXT IN 28 30 45 76 SUBQ SQCK TEXT CLK SCOR LIMIT 27 SW SELF SW
8
SW2 (SELF)
TUNER SECTION (Page 22)
APC LD DRIVE Q511 LD
RW/R
12
CLV SERVO
SELF SW 6
1
IN SW 64
LD
SQSO M902 SLED MOTOR M 6 7 DRIVER IC512 SLED MOTOR DRIVE SFDR SRDR 38 39 SUB CODE PROCESSOR 31 32 SLED SERVO SQCK SCOR
6 7 24
SW3 (DISC IN)
SW4 (LIMIT)
TRACKING COIL
TR+ TR
8 9
TRACKING COIL DRIVE
25 24
TFDR TRDR
40 41
TRACKING SERVO
CPU I/F
DATA 13 CLOCK 15 XLAT 14 SENS 16 SCLK 17
22 24 23 63 69
CD DATA CD CKO CD XLAT SENS SCLK
FOCUS COIL
F+ F
10 11 M901
FOCUS COIL DRIVE
22 21
FFDR FRDR
42 43
FOCUS SERVO FOK FOK 32 55 FOK D SW 25 SW1 (DOWN) E/(U) 7
SPINDLE MOTOR
M
12 13
SPINDLE MOTOR DRIVE
18
35
MDP
XRST 11
34 CD RST
M903 LOADING MOTOR M 5 4 LOADING MOTOR DRIVE 1 2 NUTE1 34 NUTE2 35 81 70 4 5 82 LM EJECT LM LOADING RW/R SLD MINUS DRV OE
Signal path : CD AUDIO
23
23
CDX-MP450X
3-4. BLOCK DIAGRAM -- MPEG SECTION --
MPEG DECODER IC514
CD SECTION (Page 23)
6
CD PCMD CD BCK CD LRCK CD C2P0
CD DATA 180 CD BCK 184 CD LRCK 182 CD C2P0 185
CD-DA DEC MPEG AUDIO DEC AUDIO DSP
DIGITAL AUDIO I/F
DA DATA1 DA BCK DA LRCK DA XCK
163 167 166 169
DA DATA DA BCK DA LRCK DA XCK
7
CD SECTION (Page 23)
VDATA 0-7 MPEG AUDIO DEC OSD DEC MEMORY CONTROL HOST I/F VIDEO MIX HSYNC VSYNC VCLK
13 RESET 128 ROM CS
157 158 177 SYSCLK 178 IC519
142,143,145 148,150,152 154,155
PROGRAM STREAM DEC
LYLICS DEC
79 82 85 86 90 84 80
MDATA 0-15
LDQM MWE SD CAS SD RAS SD CSO SD CLK UDQM
HADDR 0-2
X514 27MHz
CD SYSTEM CONTROL IC513(2/2)
H DATA 0-7
CS R/W RD WAIT INT
MADDR 0-18
206 207 208 15 16
94 89 90 11 12
H CS H R/W HRD H WAIT H INT
TV RST 71 SDA 9 SCL 10 CD ON 3 CD ON
53,54,56,58-60 62,64,66,68,70 72-74,76,78
96,98-100,102,104-106 108,110-112,114,116 118,120-122,124
2-4,6 8-11
202 - 204
2
91 - 93
H ADDR 0-2 CDM ON 100 MECHA ON
TUNER SECTION (Page 22)
MD 0-15
MA 0-18
XTAL 40
13 - 20
HDATA 0-7
EXTAL 41 MSC 79
X511 12MHz MSC IC523 MSI MSO MSRQ MCS SYS RESET
MD 0-15
MA 0-11
MA 0-18
MD 0-7
SDRAM IC520
MSI 78 MSO 77 MSRQ 32 MCS 80 RESET 38
2,3,5,6,8,9 11,12,39,40,42 43,45,46,48,49 DQ 0-15
19-24 27-32 A0-10,BA
21-23 25-29 Q0-7
1-7 10-20,31 A0-18
3
TUNER SECTION (Page 22)
CS CLK UDQM
14 15 16 17 18 35 36
30
CE
A MUTE 1 ROM IC521
A MUTE
4 5
BU IN 75
BU CHECK
TUNER SECTION (Page 22) TUNER SECTION (Page 22)
LDQM WE CAS RAS
96 H RST
24
24
CDX-MP450X
3-5. BLOCK DIAGRAM -- DISPLAY SECTION --
SYSTEM CONTROL IC801(2/2)
LCD DRIVE IC901
76 XOUT X801 4.5MHz 77 XIN
LCD CE 53 LCD CKO 65 LCD SO 66
62 CE 63 CL 64 DI
S04-51 4-51 COM1-4 52-55
LCD901 LIQUID CRYSTAL DISPLAY PANEL
BU+5V
11 BAND SW
BATT
POWER CONTROL Q919,920
LED905 LSW916
S801 RESET S803 (NOSE DET)
80 RESET
DOOR IND 7 BATT REG Q921 LED910913 LSW901907 LSW909915 LSW917922
4 NOSE
3 DOOR
POWER CONTROL Q917,918 ILL ON 54
IR RECEIVER IC951
1 SIRCS
KEY1 24 KEY2 23
KEY MATRIX LSW901-907,909-915, 917-922
CNP902 (REMOTE IN)
59 EZ SEL 25 ROT IN
RE1 42 RE2 43
RE901 ROTARY ENCODER
LSW916
Z
25
CDX-MP450X
3-8. SCHEMATIC DIAGRAM -- CD MECHANISM SECTION (1/3) -- · Refer to page 27 for Waveforms. · Refer to page 40 for IC Block Diagrams.
IC B/D
IC B/D
IC B/D
(Page 31)
Note: · Voltage and waveforms are dc with respect to ground under no-signal conditions. no mark : CD PLAY : Impossible to measure
30
30
CDX-MP450X
3-9. SCHEMATIC DIAGRAM -- CD MECHANISM SECTION (2/3) -- · Refer to page 27 for Waveforms. · Refer to page 40 for IC Block Diagrams.
(Page 30)
(Page 34)
(Page 32) Note: · Voltage and waveforms are dc with respect to ground under no-signal conditions. no mark : CD PLAY : Impossible to measure
31
31
CDX-MP450X
3-10. SCHEMATIC DIAGRAM -- CD MECHANISM SECTION (3/3) -- · Refer to page 27 for Waveforms.
(Page 31)
Note: · Voltage and waveforms are dc with respect to ground under no-signal conditions. no mark : CD PLAY
32
32
CDX-MP450X
3-12. SCHEMATIC DIAGRAM -- MAIN SECTION (1/2) -- · Refer to page 40 for IC Block Diagrams.
IC B/D
(Page 31)
(Page 35)
Note: · Voltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM ( ) : AM < > : CD PLAY
34
34
CDX-MP450X
3-13. SCHEMATIC DIAGRAM -- MAIN SECTION (2/2) -- · Refer to page 36 for Waveforms. · Refer to page 41 for IC Block Diagrams.
IC B/D
(Page 34)
MA1810
(Page 36)
Note: · Voltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM ( ) : AM < > : CD PLAY : Impossible to measure
35
35
CDX-MP450X
· Waveforms (Main board)
3-14. SCHEMATIC DIAGRAM -- RELAY SECTION --
1
2.1Vp-p
4.5MHz
IC801
uh
(Page 39) (Page 35)
36
36
CDX-MP450X
3-17. SCHEMATIC DIAGRAM -- DISPLAY SECTION --
(Page 36)
Note: · Voltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM
39
39