Sony D-EG5 Manuale utente

Ver 1.0 1999.04

MICROFILM

D-EG5/EG5CK/EG7

SERVICE MANUAL

PORTABLE CD PLAYER

SPECIFICATIONS

US Model

D-EG7

Canadian Model

D-EG5/EG5CK/EG7

AEP Model

UK Model

E Model

Australian Model

D-EG7

Photo : D-EG7

Model Name Using Similar Mechanism NEW

CD Mechanism Type CDM-2911AAA

Optical Pick-up Type DAX-11A2

US, Canadian model: 120 V, 60 Hz

AEP, French, German, East European,

E13 model:220 - 230 V, 50/60 Hz

UK model: 230 - 240 V, 50 Hz

Australian model: 240 V, 50 Hz

– Continued on page 2 –

– 19 – – 20 – – 22 –– 21 – – 23 –

D-EG5/EG5CK/EG7

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 Ωand 1/4W or less unless otherwise

specified.

•¢: internal component.

Note: Note:

The components identi- Les composants identifiés

fied by mark !or dotted par une marque !sont cri-

line 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.

• Powervoltage isdc 4.5V 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.

∗: Impossible to measure

• Voltagesare takenwith a VOM (Inputimpedance 10 MΩ).

Voltage variations may be noted due to normal produc-

tion tolerances.

• Waveforms are taken with a oscilloscope.

Voltage variations may be noted due to normal produc-

tion tolerances.

• Circled numbers refer to waveforms.

• Signal path.

J: CD

6-4. SCHEMATIC DIAGRAM rRefer to page 24 for IC Block Diagrams.

rWaveforms

IC502 &ª

(XPCK)

SERVICE MODE

during TRK servo OFF

VOLT/DIV : 1 V AC

TIME/DIV : 0.2 µsec

IC301 !§

(XTLO)

T401 2

IC502 #§

(RFCK)

IC801 @º

(OSC2)

Q402

GATE

IC502 ^•

(LRCK)

IC501 @£

(RFO)

IC502 &º

(BCLK)

T401 4

VOLT/DIV: 1 V AC

TIME/DIV : 50 µsec

VOLT/DIV: 1 V AC

TIME/DIV : 10 µsec

VOLT/DIV : 1 V AC

TIME/DIV : 0.2 µsec

VOLT/DIV : 1 V AC

TIME/DIV : 50 nsec

VOLT/DIV: 1 V AC

TIME/DIV : 0.2 µsec

PLAYMODE

VOLT/DIV: 0.2 V AC

TIME/DIV : 0.5 msec

VOLT/DIV : 1 V AC

TIME/DIV : 2 µsec

VOLT/DIV : 2 VAC

TIME/DIV : 2 µsec

VOLT/DIV : 2 VAC

TIME/DIV : 2 µsec

2.4 Vp-p

4.2 MHz

2.9 Vp-

136

sec

2.9 Vp-

22.7

sec

2.5 Vp-p

0.47

sec

2.6 Vp-

16.9 MHz

3.0 Vp-

4.19 MHz

0.8–1.2 Vp-

4.1 Vp-

5.8

sec

9.0 Vp-

5.8

sec

5.1 Vp-

5.8

sec

Q401

BASE

IC401 @ª

(VOUT2)

VOLT/DIV : 2 VAC

TIME/DIV : 2 µsec

VOLT/DIV : 2 VAC

TIME/DIV : 2 µsec

9 Vp-p

5.8

sec

5.3 Vp-

5.8

sec

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