Sony cdx l 450 service manual
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Page 1
1 Ver 1.2 2001. 05 Model Name Using Similar Mechanism NEW CD Drive Mechanism Type MG-383Z-121//Q Optical Pick-up Name KSS-720A SERVICE MANUAL AEP Model UK Model CDX-3900R/4000R/4000RX FM/MW/LW COMPACT DISC PLAYER CD player sectionSignal-to-noise ratio 90 dB Frequency response 10 – 20,000 Hz Wow and flutter Below measurable limit Tuner sectionFM 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 sectionOutputs Speaker outputs (sure seal connectors) Speaker impedance 4 – 8 ohms Maximum power output 50 W × 4 (at 4 ohms) SPECIFICATIONS GeneralOutputs Audio outputs Power aerial relay control lead Power amplifier control lead Telephone ATT control lead (CDX-4000R/4000RX only) 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 × 183 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-4000RX - The tuner and CD sections have no adjustments. Sony Corporation e Vehicle Company Shinagawa Tec Service Manual Production Group 9-870-071-12 2001E0400-1 © 2001. 5
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21 21 04 I-V CONV. FOCUS ERROR DIGITAL CLV SUB CODE PROCESS TRACKING ERROR LD DRIVE Q101 FOCUS COIL DRIVE RF EQ EFM DEM D/A I/F D/A CONV. RFO RFAC LOUT1 FE TE SE RFDC FFDR FRDR TFDR SFDRSRDR MDP TRDR TEFE E D B C A F 1110 PD 4 LD 3 76 8 13 14 16 LD AMPLD ON HOLD SW AGC CONT 222120 5RF AMP, LD APC, ERROR AMP IC1DIGITAL SERVO, DIGITAL SIGNAL PROCESSOR IC501 TRACKING/FOCUS COIL DRIVE SLED/SPINDLE/LOADING MOTOR DRIVE IC7 10 11 22 21 TRACKING COIL DRIVE 8 9 25 24 SLED MOTOR DRIVE 67 3132 FOCUS COIL TRACKING COIL M902 SLED MOTOR SPINDLE MOTOR DRIVE 1213 18 M901 SPINDLE MOTOR LOADING MOTOR DRIVE 54 12 3435 M903 LOADING MOTOR MUTE 1 MUTE 2 42 43 40 41 3839 35 52 51 50 61 92 LOUT2 95 SQSO 6 SQCK 7 SCOR MD2 24 73 XRST11 DATA13 XLAT14 SCLK17 CLOK15 SENS16 GFS22 FOK32 XTALI 86 XTALO 87 LOCK 34 54 SERVO CTL X2 16MHz SW4 (LIMIT) SW1 (DISC IN) SW3 (LOAD IN) BATT SW2 (SELF) POWER CONT Q363 POWER CONT Q365 11V REG Q361 6V REG Q362 5V REG Q364 CD 5V CD 6V LM EJ69 LM LOD66 SLED –40 DRIVE ON70 LD ON20 HOLD22 AGC CONT23 CD ON 18 CDM ON 17SSTP 11FOK 54GFS55SENS57CD CKO65SCLK45CD XLAT68CD DATA67CD RST21MD271SCOR 64SCK2(KEY BOARD)48SI249LOCK CD L R-CH 46 D SW 10 IN SW 64 SELF SW 63CD SYSTEM CONTROL IC5SYSTEM CONTROL IC501 (1/3) BUS CLK 51 A MUT 19 OPEN6 BUS SI 52 BUS SO53 X IN 31 X OUT 32 X1 10MHz TUNER SECTION A ATT TUNER SECTION B BUS ON 61 RESET30 BU IN60 SW503 (RESET) HSTX RESET1 3 IC652 BU 5V BATT (H) CHECK Q701 BATT 86RSTX90BU IN 77SYS RST11BUS ON3UNI SI17UNI SO18UNI CKO19UNI CKI20DOOR SW 12ATT58 A C B D E F PD LD OPTICAL PICKUP KSS-720A BATT (L) CHECK Q702,703BATT - Signal path :CD CDX-3900R/4000R/4000RX 3-2. BLOCK DIAGRAM - CD SECTION - (Page 22) (Page 22)