Sony cdx mp 450 x service manual

Page 1

CDX-MP450X

SERVICE MANUAL

Ver 1.0 2001. 02

US Model

Mas... «won't. .

- The tuner and CD sections have no adjustments. Model Name Using Similar Mechanism NEW

MG-383KU-121//K
KSS-720A

AUDIO POWER SPECIFICATIONS CD Drive Mechanism Type
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

Optical Pick-up Name

than 1% total harmonic distortion.

CD player section
System Compact disc

digital audio systetn
Signalsmsnoise ratio 90 dB
Frequency response 10 , 20,000 Hz
Wow and flutter Below measurable limit
Laser Diode Properties

Material GaAIAs
Wavelength 780 um
Eini, on Duration Continuous

Laser output power Less than 44.6 uwt

* Tlitt Utllplll 1.: the mltm mettmml (U a distance
0/200 trim/mm the objective [mix stir/two (m tin»
OleLUI Pit/(slip Block,

Tuner section
FM
Tuning range 37.5 , 107.9 MHz
Antenna terminal External Antenna connector
Intermediate frequency 10.7 MHz
Usable sensitiyity 9 dBf
Selectwity 75 dB at 400 kHz
Signalstosnoise ratio 55 dB (stereo),

68 dB (morio)
Harmonic distortion at 1 kHz
0.7% (stereo)
0.4% (mono)
35 dB at 1 kHz
30 , 15,000 Hz

Separation
Frequency response

AM

Tuning range 53071710 kHz

Antenna terminal External Antenna connector
Intermediate frequency 10.7 MHz/450 kHz

Sensitivity 30 uv
9-870-292-11 Sony Corporation
2001 B0400-1 Audio Entertainment Group
© 2001. 2 General Engineering Dept.

SPECIFICATIONS

Power amplifier section

Outputs

Speaker impedance

Speaker outputs
(sure seal connectors)
4 , 8 ohms

Maximutn power output 50 W X 4 (at 4 ohms)

General
Outputs

inputs

Tone controls
Power requirements
Dimensions
Mounting dimensions
Mass

Supplied accessories

Audio outputs (front/rear)

Power Antenna relay control lead
Power amplifier control lead
Telephone ATT Conlrol lead
Antenna input connector

Remote controller input connector
Bass :9 dB al 100 HZ

Treble 19 dB at 10 kHz

12 v DC car ballery

(negative ground)

Approx. 178 X 50 X183 mm

(7 mt X 2 X 7 1/4 in.) (w/h/d)
Approx. 182 X 53 X [62 mm

(7 m X 2 mt x 6 1/2 in.) (w/h/d)
Approx. 1.3 kg

(2 lb. 10 oz.)

Paris for installation and connections (1 set)
Front panel case (1)

Card remote commander

RMle 14

Design tmtl XplLl/llltlllfitx llfl tub/mt It) thttngc wllhlml

notttt»,

FM/AM COMPACT DISC PLAYER
S ONY;

Page 2

CDX-M P450X

3-2. BLOCK DIAGRAM - TUNER SECTION -

TUNER UNIT ® ELECTRONIC VOLUME
IC401 PIAm-a
TU601 L3 FL
CNJ601 CD L-CH as 21 .-n\ ©
(ANTENNAI SECTION «a 0'0 W
(Page 23) 0406 m. a© fl "0'
1 AM ANT ,_n\ L2 LTOUT LSIN LFIN
L-OUT 19 37 a.-c 29)-»(2 23>->(22 w TONE
V LSDUT - PJAOH
2 FM ANT MW 3 '9 L1 9 20 ..| > ©
AM DET 12 38 m _ A R'- AODIO OUT
0 D 0 '2 REAR
18 1s RVCH a© fl
0405
Pa e 24
SVSTEM CONTROL ( MgEG ) {} {}
|CBU1(1/2| SECTION POWER AMP
7902 CNP9o1
FM OET 22 (AD ~01 FL+
LCL/OY A /
AMUTE \ we FL~
VT LOW PAss
EILTER
0603's 1-» MUTE DRIVE 432 RH
VCO s [ .1 0401402 #10 RL
II
MONO 11
S-METER 19
so 20 3 RR
IFC/SEEK 21 I TBV fi 4 *
s U 4.41 RR-
R'CH aw FR;
4.42 FR-
FM POWER POWER POWER '0 0" 1% 0407
CONTROL CONTROL <-+ BATr AMP MUTE 19 13
Osozfm 0909923924 TEL MUTE 1s TEL MUTE
51 FM 0N m 41 ACC CHECK ->f-+ A09 15
0913914 -H-+ am 0 PERK
AM POWER -
CONTROL 9* . SIgnaI path
0601.606
BU m Q9 BU CHECK -H-+ A E> 3 FM
9911912922 am
@AM ON -H_+ » I AM
MPEG
BU CHECK .
1(5) SECTION (Page 24) 2? -CD AUD|0
ANTON 59
CO MECRA l
DRIVER +5V 3:55 POWER CONTROL <-+ BAIT Powfigggfim" AM 120ng 6
9996-909 CONTROL ANT REM
/ M50 0915,9115
MECHA ON C3) "'5' 5
MPEG M30 AMP ON so 1 AMP ON AMP+B 2 AMP REM
SECTION GD 0" MPEG 1m
(Page 24) SECTION m VIDEOISV O-I; 9 BU+B VCC 4 <-+ RAT-T am 736 am
REG CD POWER (Page 24)\ SVSRST _
AUDIO+3.3V 99111 3903 CONTROL <-+ BA'IT / BUIEV N
' 0902994 m 7
D+3.3V <77 \ ACC .770 ACC
CD BU+3.3V 55
A.13.av .7 SECTION '09 705 GND
(Page 23) 7%;