Sony cdx m 700 r service manual

Page 1

CDX-M700R/M750

SERVICE MANUAL us Model

Ver 1.2 2001. 03 Canadian £2,237?!

AEP Model
UK Model

CDX-M700FI

Photo: CDX-M750

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

CD Drive Mechanism Type MG-383V-121/IK
SPECIFICATIONS Optical Pick-up Name KSS-720A
AUDIO POWER SPECIFICATIONS (CDX-M750) MW/LW (CDX-M700R)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION Tullmg 1ng MW: 531 7 11702 kHz

LW: 153 r 279 kHz
Aerial Ierniinal External 'aerial conneclor
Intermediate frequency 10.7 MHz/450 kHz

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. Sensitivity MW: 30 UV
LW: 40 pV
Other Specifications
CD player section Power amplifier section
Systetn Compact disc digital audio Outputs Speaker outputs
system Speaker impedance 4 , :2 ohms

Signalrwrnoise rmio 30 dB Maximum power output 50 W X 4 (at 4 ohms)
Frequency response 10 , 20,000 Hz
Wow and flutter Below measurable limit General
Laser Diode Properties (CDX7M750) Outpms And, OumS (3)

Material GaAlAS Power antenna relay

Wavelength 780 um control lead (CDX7M750)

Emission Duration Continuous power 33ml flay

Laser output power Less tiian 44.6 owe comm] lead (CDXVM700R)
* Thl'x all/pm is the value merlxurril m u dlfllmll power amplifie, comm]

0/200 mm /mm the objective [on stir/rice ml the lead

Optical Pu'krnp Blank Inputs Telephone ATr control

lead
Tuner section illumination control lead
FM Power requirements 12 v DC car battery
Tuning range 87.5 , 107.9 MHz (CDer750) (negative ground)
87. , 108.0 MHz (CDXrM7mR) _ . _

Antenna terminal External antenna connector Continued °" next page
Intermediate frequency 10.7 Ml-iu450 kHz
Usable sensitivity 8 dBf
Selectivity 75 dB at 400 kHz

SignalrtoVnoise ratio no dB (stereo),
FM AM MPA TDI PLAYER
Harmonic distorrion at 1 kHz

01% (Stereo)

0.3% (more) CDX-M750

Separnlioli 35 dB at 1 kHz

Frequency response 307 15.000 HZ FM MW Lw COMPACT DISC PLAYER
AM (CDX-M750) / /

Tuning range 530 , 1710 kHz

Anrenna rermlnal External antenna connector cDXM7flflR
Intermediale frequency 10.7 MH7J450 kHz

Sensitivity 30 tiv

9-870-134-12 Sony Corporation
2001C0400-1 Audio Entertainment Group
© 2001. 3 General Engineering Dept. ®

Page 2

CDX-M700R/M750

4-2. BLOCK DIAGRAM - CD SECTION -

GD

m T0 TUNER

RF AMP, LO APC. DIGITAL SERVO,
OPTICAL PICKVUP ERROR AMP DIGITAL SIGNAL PROCESSOR T0 DISPLAY CD SYSTEM CONTROL gECTlfiN SVGITCEaIngI/PIETROL
Kssva Ic1 ICSOT SECTION (Page 44) '05 ( age 3) ( I ' Signal path
P
P
1 CD EJECTOR @ :CD
P CD OPENREO
P
P
I RF REO
P 77-15 a?»
P
P 54 REOC
P BUSCLK 51 UNICKo
} nus SI if UNI SI
I UNI SO
P 18 GO ON BUS ON 51 Bus ON
P 46 LOCK RESET so :1 s svs RST
I BU IN so 7 EU IN
P EE 1 50 EE l
P TRACKING TE 3 52 TE M 3030 6 RSTx SIRCS «-
P ERROR CODE SOCK
P 51 SE PROCESS fl.
P
P
M02 73
Hausv
P XRST 11
P
A 0- SW5
P AGC CONT go? XLAT @ ® (RESET)
I I F :55: 0 A,
15 BAIT (H)
1 P TRACKING/FOCUS COILDRNE SENS CHECK «pf-45m
P P SLED/SPINDLF/LOADING MOTOR DRIVE GFS 22 0920
P
'07 W 32 BUSINTEREACE
P P 7 Icaoz
P Focus I FOCUS 2 FFDR
I COIL f
P COIL DRIVE 6'? FRDR
7
P 7
I TRACKING :l TFDR
P TRACKING COIL 25 >49< mun SERMO
P CO'L DRIVE 24 41
T TTTTTTTTTTT 7 (LIMIT)
SLED 31 sw1 . 1o osw
MOWER 32 W 100qu
L swa . @ IN sw
7 (DISCINI
SPINDLE
MOTOR 15 SW: . 53 SELst
DRIVE (SELF) L
LOADING 59 LMEJ 11 4 CNPRm
RISER P CéLM LOO I BUS P)
7 ii SLED , ICONTROL IN
70PDRIVE ON
>z'éLO ON
E5 0L 0805
23 AGC CONT
BUS SO 53 Do
0801
/ GRST 7 m :0)
Bus CLK 7
Bus SI 7
BUS ON «-

TO DISPLAY BU CHECK -
SECTION N 50

LINKOEE
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