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D-E440/E441/E441SR/E443/E445/ E446CK/E449CK
SERVICE MANUAL
Ver 1.0 1999.02
US Model
D-E441/E445/E446CK/E449CK
Canadian Model
D-E441/E445/E446CK
AEP Model
D-E440/E441/E441SR/E443/E445/E446CK
UK Model
D-E441/E441SR/E443/E445/E446CK
E Model
D-E441/E443/E445/E446CK
Australian Model
D-E441/E445/E446CK
Photo : D-E441
Chinese Model
D-E441/E445
Model Name Using Similar Mechanism CD Mechanism Type Optical Pick-up Type NEW CDM-2811EAA DAX-11E
SPECIFICATIONS
CD player System Compact disc digital audio system Laser diode properties Material: GaAIAs Wavelength : = 780 nm Emission duration: Continuous Laser output : 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 with 7 mm aperture. ) Error correction Sony Super Strategy Cross Interleave Reed Solomon Code D-A conversion 1-bit quartz time-axis control Frequency response 20 - 20,000 Hz +1 dB (measured by EIAJ CP-2 307) Output (at 4.5 V input level) Headphones (stereo minijack) 15 mW + 15 mW at 16 ohms Line output (stereo minijack) Output level 0.7 V rms at 47 kilohms Recommended load impedance over 10 kilohms General Power requirements For the area code of the model you purchased, check the upper left side of the bar code on the package. · Sony BP-DM10 Rechargeable battery: 2.4 V DC, Ni-Cd, 650 mAh Sony BP-DM20 Rechargeable battery: 2.4 V DC, Ni-MH, 1,200 mAh · Two LR6 (size AA) batteries: 3 V DC · AC power adaptor (DC IN 4.5 V jack): US, Canadian, Central and South America model: 120 V, 60 Hz AEP, German, French, EE, E13 model: 220 - 230 V, 50/60 Hz UK model: 230 - 240 V, 50 Hz EA model: 110 - 240 V, 50/60 Hz AUS model: 240 V, 50 Hz E33 model: 100 - 240 V, 50/60 Hz Hong Kong model: 220 V, 50/60 Hz Chinese, Argentine model: 220 V, 50 Hz · Sony CPM-300P mount plate for use on car battery : 4.5V DC Dimensions (w/h/d) (without projecting parts and controls) Approx. 129 x 28 x 146 mm ( 51/8 x 11/8 x 53/4 in.) Mass (without rechargeable battery) Approx. 220 g (7.8 oz) Operating temperature 5°C - 35°C (41°F - 95°F) Supplied accessories For the area code of the model you purchased, check the upper left side of the bar code on the package. D-E440 Earphones (1) D-E441 AC power adaptor (1) Headphones (1)*1 Earphones (1)*2 AC plug adaptor (1)*3 *1 Supplied with US model *2 Not supplied with US model *3 Supplied with E33, E13 and EA models Continued on page 2
COMPACT DISC COMPACT PLAYER
MICROFILM
6-4. SCHEMATIC DIAGRAM
r
Refer to page 24 for IC Block Diagrams.
D- E440/E441/E441SR/E443/ E445/E446CK/E449CK
r Waveforms
1
SERVICE MODE during TRK servo OFF
2
2.6 Vp-p
3
2.6 Vp-p
2.4 Vp-p
4.2 MHz
136 µsec
VOLT/DIV : 1 V AC TIME/DIV : 0.1 msec
ESP : OFF
VOLT/DIV : 1 V AC TIME/DIV : 50 µsec
22.7 µsec
ESP : OFF
VOLT/DIV : 1 V AC TIME/DIV : 10 msec
IC502 &ª
IC502 #§
IC502 ^·
4
2.6 Vp-p
5
0.2 Vp-p
6
0.9 Vp-p
Note: · All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. · All resistors are in and 1/4 W or less unless otherwise specified. ¢ · : internal component. Note: Note: The components identi- Les composants identifiés fied by mark ! or dotted par une marque ! sont criline with mark ! are cri- tiques pour la sécurité. tical for safety. Ne les remplacer que par Replace only with part une piéce portant le number specified. numéro spécifié. · U : B+ Line. · H : adjustment for repair. · Power voltage is dc 4.5 V and fed with regulated dc power supply from external power voltage jack. (J401) · Voltages and waveforms are dc with respect to ground under no-signal conditions. · Voltages and current are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal production tolerances. · Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production tolerances. · Circled numbers refer to waveforms. · Signal path. J : CD
0.47 µsec
16.9 MHz
4.19MHz
ESP : OFF
VOLT/DIV : 1 V AC TIME/DIV : 0.2 msec
IC502 &º
IC301 !§
VOLT/DIV : 0.1 V AC TIME/DIV : 50 nsec
IC801 @º
VOLT/DIV : 0.2 V AC TIME/DIV : 0.1 µsec
7
PLAY MODE
0.81.2 Vp-p
IC501 @£
VOLT/DIV : 0.2 V AC TIME/DIV : 0.5 msec
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