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SERVICE MANUAL

Ver 1.0  2000. 10

SPECIFICATIONS

PORTABLE CD PLAYER

D-E888/E999/EJ825/EJ925

Photo: D-E999

US Model

Canadian Model

AEP Model

UK Model

E Model

Chinese Model

D-EJ825/EJ925

Tourist Model

D-E888/E999

Model Name Using Similar Mechanism

NEW

CD Mechanism Type

CDM-3021EBG

Optical Pick-up Name

DAX-21EG

System

Compact disc digital audio system

Laser diode properties

Material: GaAlAs
Wavelength: 

λ

 = 780 nm

Emission duration: Continuous
Laser output: Less than 44.6 

µ

W

(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.)

D-A conversion

1-bit quartz time-axis control

Frequency response

20 - 20 000 Hz 

+1

–2

 

dB (measured by EIAJ CP-

307)

Output (at 4.5 V input level)

Line output (stereo minijack)

Output level 0.7 V rms at 47 k

Recommended load impedance over 10 k

Headphones (stereo minijack)

Approx. 5 mW + Approx. 5 mW at 16 

(Approx. 0.5 mW + Approx. 0.5 mW at 16 

)*

*For the customers in France

Optical digital output (optical output connector)

Output level: –21 - –15 dBm
Wavelength: 630 - 690 nm at peak level

Power requirements

For the area code of the model you
purchased, check the upper left side of the
bar code on the package.
• Two Sony NC-6WM rechargeable batteries:

2.4 V DC

• Two Sony NH-14WM rechargeable batteries:

2.4 V DC

• Two LR6 (size AA) batteries: 3 V DC

• AC power adaptor (DC IN 4.5 V jack):

US/Canadian model:  120 V, 60 Hz
AEP/E13 model: 220 - 230 V, 50/60 Hz
UK model: 230 - 240 V, 50 Hz 
Tourist model: 100 - 240 V, 50/60 Hz

Hong Kong model: 220 V, 50/60 Hz 
Chinese model: 220 V, 50 Hz 

Korean model: 220 V, 60Hz 

• Sony DCC-E84 car battery cord for use on

car battery: 4.5 V DC

Battery life* (approx.  hours)

(When you use the CD player on a flat and stable
surface.)
Playing time varies depending on how the CD
player is used.

When using

G-PROTECTION
“1”

“2”

Two NC-6WM

15

14

(charged for
about 4 hours**)

Two NC-14WM

29

28

(charged for
about 4 hours**)

External battery case

50

48

(two alkaline batteries)

Rechargeable batteries

65

61

NC-6WM and external
battery case (two alkaline
batteries)

Rechargeable batteries

80

76

NH-14WM and external
battery case (two alkaline
batteries)

* Measured value by the standard of EIAJ

(Electronic Industries Association of Japan).

** Charging time varies depending on how the

rechargeable battery is used.

Operating temperature

5

°

C - 35

°

C (41

°

F - 95

°

F)

Dimensions (w/h/d) (excluding
projecting parts and controls)

Approx. 

Approx. 127.2 

×

 15.4 

×

 135.6 mm 

127.2 

×

 18.4 

×

 135.6 mm

(5 

1

8

 

×

 

3

4

 

×

 5

 3

8

 in.) (D-E888/EJ825)

(5 

1

8

 

×

 

5

8

 

×

 5

 3

8

 in.) (D-E999/EJ925)

Mass (excluding accessories)

Approx. 175 g (6.2 oz) (D-E888/EJ825)

Approx. 155 g (5.5 oz) (D-E999/EJ925)

Design and specifications are subject to change
without notice.

AC power adaptor (1)
Headphones/earphones with remote control (1)
Rechargeable batteries (2)
Battery carrying case (2)
Carrying case (1)
External battery case (1)
AC plug adaptor (1)*

* Supplied with Tourist model. 

On AC power adaptor

• Use only the AC power adaptor supplied or

recommended in “Accessories (supplied/
optional).” Do not use any other AC power
adaptor.  It may cause a malfunction.

Polarity of the plug

Содержание Walkman D-E888

Страница 1: ...0 V 50 60 Hz UK model 230 240 V 50 Hz Tourist model 100 240 V 50 60 Hz Hong Kong model 220 V 50 60 Hz Chinese model 220 V 50 Hz Korean model 220 V 60Hz Sony DCC E84 car battery cord for use on car battery 4 5 V DC Battery life approx hours When you use the CD player on a flat and stable surface Playing time varies depending on how the CD player is used When using G PROTECTION 1 2 Two NC 6WM 15 14 ...

Страница 2: ...ARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB LISHED BY SONY TABLE OF CONTENTS 1 SERVICING NOTES 3 2 GENERAL 6 3 DISASSEMBLY 7 4 ELECTRICAL CHECKING 11 5 DIAGRAMS 5 1 Block Diagram MAIN Section 1 2 15 5 2 Block Diagram MA...

Страница 3: ...uipment is focused by the object lens in the optical pick up so that the light focuses on the reflection surface of the disc Therefore be sure to keep your eyes more then 30 cm apart from the object lens when you check the emission of laser diode Laser Diode Checking Methods During normal operation of the equipment emission of the laser diode is prohibited unless the upper lid is closed while turn...

Страница 4: ... OFF x button on the set and remote commander All servos Focus Tracking Thread OFF buttons on the set and knobs on remote commander Optical pickup movement outward or inward Tracking Thread servo OFF PLAYMODE button on remote commander CLV speed becomes 1 to 4 times each time the button is pressed Tracking Thread servo ON PRT ENT buttons on remote commander Tracking gain up mode VOL VOL buttons on...

Страница 5: ...e Check Display mode becomes active and the remote commander LCD displays the following OK is displayed when the error rate is 0 to 99 7350 or NG is displayed when over 100 7350 The remote commander LCD displays the following when no data is read such as in the skip mode Note Press again the DISPLAY button on remote commander and the remote commander LCD displays the time counted down from total t...

Страница 6: ... PRO G PROTECTION switch page 13 5 Remote control Note Use only the supplied remote control You cannot operate this CD player with the remote control supplied with other CD players qh x stop button pages 8 16 ql PLAY MODE button pages 10 12 16 qf Display pages 9 11 15 qk DISPLAY button pages 13 14 wf SOUND button page 14 qg Rotary control N play AMS search pages 8 11 12 AMS search pages 8 11 12 VO...

Страница 7: ...el Cabinet Upper Sub Assy Lid Sub Assy Upper E999 EJ925 Model Main Board Optical Pick Up Section CDM 3021EBG Setting The Battery Terminal Board Relay Lead Wire And Motor Lead Wires 4 five screws B2 5 claw 3 screw B2 2 Open the upper lid sub assy S805 Note on installation cabinet upper section When installing cabinet upper section adjust the S805 and knob AVLS knob AVLS 1 two screws B2 7 spring ope...

Страница 8: ...B ASSY LID SUB ASSY UPPER E999 EJ925 MODEL 7 lid sub assy upper 5 six tapping screws 1 7 2 5 4 cabinet upper sub assy 2 Open the upper lid sub assy 3 6 plate fulcrum 1 two step screws 5 lid sub assy upper 4 cabinet upper sub assy 2 Open the upper lid sub assy 1 two step screws 3 ...

Страница 9: ... from the optical pick up flexible board Note When the optical pick up flexible board is removed fix it with new adhesive sheets and when fixing the optical pick up flexible board do it with two pieces of adhesive sheets as shown in the figure 2 saranet cushion S804 S803 knob HOLD knob AV optical pick up flexible board optical pick up flexible board Note on installation MAIN board When installing ...

Страница 10: ...Note Install the battery terminal board relay lead wire aligning with four bosses Fix them to the position shown in figure using saranet cushion Note In routing the motor lead wires fix them to the position shown in figure using cushion two bosses two bosses saranet cushion motor lead wires cushion motor lead wires ...

Страница 11: ...ate Connection Procedure 1 Connect the oscilloscope to the test points TP614 RF and TP GND on the MAIN board 2 Set a disc YEDS 18 3 Press the u button 4 Check the oscilloscope waveform is as shown below A good eye pattern means that the diamond shape in the center of the waveform can be clearly distinguished RF Signal reference Waveform Eye Pattern VOLT DIV 100 mV With the 10 1 probe in use TIME D...

Страница 12: ...20 21 22 23 24 25 26 29 30 27 28 17 16 MODE CONTROL ROTATION DETECTOR MODE CLOCK REGULATOR HOLD PWM REGULATOR MODE TIME REGULATOR CLOCK DIVIDER STATE MACHINE STARTUP PATTERN GENERATOR PATTERN REGULATOR SEQUENCER CPU INTERFACE SERIAL PORT PARALLEL INTERFACE OPERATION MODE OPERATION MODE REGULATOR TEST MODE REGULATOR PREDRIVER FEEDBACK PATTERN GENERATOR BEMF SEPARATOR OVERFLOW REGULATOR PHASE DELAY ...

Страница 13: ...ATOR 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 XOE A0 A11 SYSM AMUTE HPL HPM HPR PCMDI LRCKI BCKI AOUT1 AIN1 LOUT1 LOUT2 AIN2 AOUT2 A9 A8 A7 DVSS RFAC XTAO XTAI XTSL VCTL VPCO WFCK ...

Страница 14: ... RO2 FO1 RO1 FO3 RO3 FOCUS TRACKING COIL DRIVER SLED MOTOR DRIVER IC401 1 2 M 78 28 26 30 35 24 25 23 3 26 11 44 43 10 12 25 MODE CONTROL ROTATION DETECTOR BEMF SEPARATOR PREDRIVER FEEDBACK PATTERN GENERATOR OR PHASE PWM DECODER 44 MDS 43 MDP 17 SCOR 42 4 1 3 2 23 24 25 14 16 18 20 45 27 22 C176 FOK R4M DRVRST 42 XHGON 39 HOLD 21 WPOPEN XSOE WDCK SDTD SENS CLOK XLAT XSOE XIN GRSCOR FOKI MSDTD SCOR...

Страница 15: ... CIRCUIT WAKE UP SWITCH Q409 LASER VOLTAGE LIMITER Q406 B SWITCH Q602 RIPPLE FILTER Q408 CHARGE CONTROL Q402 407 CHARGE ON SWITCH Q404 EXTERNAL BATTERY SWITCH Q410 SWITCHING POWER CIRCUIT LENEAR REGULATOR INTERFACE VG POWER CIRCUIT CLK OR OSC 59 47 48 46 49 65 45 CHG SW RF4 INM4 RF21 RF21 RF2 RF2 VCC1 VCPU VLG3 VCPU VCC1 INM2 INM2 APCREF APCREF DTCLD VREF PAPC PA PC WAKEUP LATCH DATA CLOCK DATA CL...

Страница 16: ...n face side Parts on the pattern face side seen from Side B the pattern face are indicated Parts face side Parts on the parts face side seen from Side A the parts face are indicated MAIN board is multi layer printed board However the patterns of intermediate layer have not been included in the diagram Semiconductor Location Suffix 11 and 12 IC602 F 7 IC603 F 6 IC801 H 11 Q301 F 9 Q302 F 9 Q401 I 1...

Страница 17: ... supply from DC IN jack J401 Voltages and waveforms are dc with respect to ground in playback mode no mark CD PLAY Voltages are taken with aVOM Input impedance 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 PLAY...

Страница 18: ...NG H OK 4 AGCPWM O AGC control pulse signal output to the power control IC401 5 LEDDISP O CHG HOLD LED D408 ON OFF control signal output L lit on 6 NC O Not used open 7 AMUTE O Analog audio muting ON OFF control signal output terminal H muting ON 8 VCC2 ON O VCC2 voltage control signal output terminal H ON 9 XRST O Reset signal output to the headphone amp IC351 and CXD3028R IC601 L reset 10 MSCK O...

Страница 19: ... 31 CABINET LOWER BLUE EJ825 US CND AEP UK FR G KR CH 59 3 223 810 41 CABINET LOWER WHITE EJ825 US CND AEP UK FR G KR CH 59 3 223 810 51 CABINET LOWER PINK EJ825 US CND AEP UK FR G KR CH 59 3 223 810 61 CABINET LOWER BLUE EJ825 E13 HK 59 3 223 810 71 CABINET LOWER WHITE EJ825 E13 HK 59 3 223 810 81 CABINET LOWER PINK EJ825 E13 HK 60 3 221 809 01 KNOB HOLD E999 EJ925 60 3 221 809 11 KNOB HOLD DARK ...

Страница 20: ... Description Remark 0101 X 3379 432 1 OPTICAL PICK UP DAX 21EG 102 3 704 197 92 SCREW M1 4X1 8 LOCKING 103 4 220 645 01 SHAFT STANDARD 104 4 220 646 01 RACK 105 A 3328 298 A SCREW ASSY FEED 106 3 338 645 31 WASHER 0 8 2 5 107 3 686 458 03 SCREW P1 4X3 5 TAPPING 108 4 220 648 01 GEAR C 109 X 4951 688 1 BRACKET ASSY SLED 110 3 348 998 61 SCREW M1 4X4 TAPPING PAN 111 X 4951 687 1 BASE ASSY SLED M901 ...

Страница 21: ... C205 1 164 935 11 CERAMIC CHIP 470PF 10 16V SUFFIX 11 SUFFIX 12 EXCEPT FR C206 1 164 940 11 CERAMIC CHIP 0 0033uF 10 16V C207 1 164 939 11 CERAMIC CHIP 0 0022uF 10 16V C261 1 125 777 11 CERAMIC CHIP 0 1uF 10 10V C263 1 125 838 11 CERAMIC CHIP 2 2uF 10 6 3V C301 1 117 720 11 CERAMIC CHIP 4 7uF 10V C302 1 115 156 11 CERAMIC CHIP 1uF 10V C303 1 115 156 11 CERAMIC CHIP 1uF 10V C304 1 107 820 11 CERAM...

Страница 22: ...0 1uF 25V C631 1 164 854 11 CERAMIC CHIP 15PF 5 16V C632 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C633 1 164 937 11 CERAMIC CHIP 0 001uF 10 16V C801 1 164 943 11 CERAMIC CHIP 0 01uF 10 16V C802 1 125 837 11 CERAMIC CHIP 1uF 10 6 3V C803 1 117 720 11 CERAMIC CHIP 4 7uF 10V C804 1 165 128 11 CERAMIC CHIP 0 22uF 16V C805 1 165 128 11 CERAMIC CHIP 0 22uF 16V C806 1 165 128 11 CERAMIC CHIP 0 22uF 16V C8...

Страница 23: ... CHIP 33K 0 5 1 16W R202 1 218 879 11 METAL CHIP 22K 0 5 1 16W R203 1 218 879 11 METAL CHIP 22K 0 5 1 16W R205 1 218 947 11 RES CHIP 330 5 1 16W R206 1 218 945 11 RES CHIP 220 5 1 16W R208 1 218 953 11 RES CHIP 1K 5 1 16W R209 1 218 977 11 RES CHIP 100K 5 1 16W R210 1 218 965 11 RES CHIP 10K 5 1 16W SUFFIX 11 SUFFIX 12 EXCEPT FR R210 1 218 971 11 RES CHIP 33K 5 1 16W SUFFIX 12 FR R211 1 218 953 11...

Страница 24: ...K 5 1 16W R624 1 218 977 11 RES CHIP 100K 5 1 16W R625 1 218 941 11 RES CHIP 100 5 1 16W R626 1 218 990 11 SHORT 0 R627 1 218 990 11 SHORT 0 R629 1 218 887 11 METAL CHIP 47K 0 5 1 16W R630 1 218 937 11 RES CHIP 47 5 1 16W R631 1 218 977 11 RES CHIP 100K 5 1 16W R632 1 218 977 11 RES CHIP 100K 5 1 16W R633 1 218 899 11 METAL CHIP 150K 0 5 1 16W R634 1 218 953 11 RES CHIP 1K 5 1 16W R635 1 218 939 1...

Страница 25: ...FRENCH E999 EJ925 CND AEP FR 3 221 695 41 MANUAL INSTRUCTION DUTCH EJ925 AEP EE 3 221 695 51 MANUAL INSTRUCTION SWEDISH EJ925 AEP 3 221 695 61 MANUAL INSTRUCTION PORTUGUESE EJ925 AEP 3 221 695 71 MANUAL INSTRUCTION GERMAN EJ925 AEP G 3 221 695 81 MANUAL INSTRUCTION ITALIAN EJ925 AEP 3 221 695 91 MANUAL INSTRUCTION FINNISH EJ925 AEP 3 221 698 11 MANUAL INSTRUCTION KOREAN EJ925 KR 3 221 698 21 MANUA...

Страница 26: ... 40 D E888 E999 EJ825 EJ925 Sony Corporation Audio Entertainment Group 9 873 000 11 2000J0573 1 Printed in Japan C 2000 10 Published by General Engineering Dept ...

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