Sony Walkman D-E888 Service Manual

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D-E888/E999/EJ825/EJ925
QQ
3 7 63 1515 0
SERVICE MANUAL
Ver 1.0 2000. 10
System
TE
Compact disc digital audio system
L 13942296513
Laser diode properties
Material: GaAlAs
Wavelength: λ = 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.)
D-A conversion
1-bit quartz time-axis control
Frequency response
+1
20 - 20 000 Hz
dB (measured by EIAJ CP-
–2
307)
Output (at 4.5 V input level)
Line output (stereo minijack)
Output level 0.7 V rms at 47 kΩ
Recommended load impedance over 10 kΩ
Headphones (stereo minijack)
Approx. 5 mW + Approx. 5 mW at 16 Ω
(Approx. 0.5 mW + Approx. 0.5 mW at 16 Ω)*
*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:
www
2.4 V DC
• Two LR6 (size AA) batteries: 3 V DC
.
http://www.xiaoyu163.com
• 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
Two NC-6WM
(charged for
about 4 hours**)
Two NC-14WM
(charged for
about 4 hours**)
External battery case
(two alkaline batteries)
Rechargeable batteries
NC-6WM and external
battery case (two alkaline
batteries)
Rechargeable batteries
NH-14WM and external
battery case (two alkaline
batteries)
x
ao
u163
* Measured value by the standard of EIAJ
y
(Electronic Industries Association of Japan).
** Charging time varies depending on how the
i
rechargeable battery is used.
http://www.xiaoyu163.com
2 9
8
Photo: D-E999
Model Name Using Similar Mechanism NEW
CD Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
Q Q
3
6 7
1 3
1 5
G-PROTECTION
"1"
"2"
15
14
29
28
50
48
65
61
80
76
co
.
9 4
2 8
US Model
Canadian Model
AEP Model
UK Model
E Model
Chinese Model
D-EJ825/EJ925
Tourist Model
D-E888/E999
CDM-3021EBG
DAX-21EG
Operating temperature
0 5
5°C - 35°C (41°F - 95°F)
8
2 9
9 4
2 8
Dimensions (w/h/d) (excluding
projecting parts and controls)
127.2 × 18.4 × 135.6 mm
Approx.
×
× 5
1
3
3
(5
in.) (D-E888/EJ825)
8
4
8
Approx. 127.2 × 15.4 × 135.6 mm
×
× 5
1
5
3
(5
in.) (D-E999/EJ925)
8
8
8
Mass (excluding accessories)
Approx. 175 g (6.2 oz) (D-E888/EJ825)
Approx. 155 g (5.5 oz) (D-E999/EJ925)
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
Design and specifications are subject to change
without notice.
m
PORTABLE CD PLAYER
9 9
9 9

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  Summary of Contents for Sony Walkman D-E888

  • Page 1 ⁄ ⁄ in.) (D-E999/EJ925) of 200 mm from the objective lens surface on • Sony DCC-E84 car battery cord for use on Mass (excluding accessories) the optical pick-up block with 7 mm aperture.) car battery: 4.5 V DC Approx. 175 g (6.2 oz) (D-E888/EJ825) D-A conversion Battery life* (approx.
  • Page 2: Table Of Contents

    SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ 1-678-954-12 DE FONCTIONNEMENT. NE REMPLACER CES COM- POSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY. SAFETY-RELATED COMPONENT WARNING!!
  • Page 3: Servicing Notes

    http://www.xiaoyu163.com SECTION 1 SERVICING NOTES 3 7 63 1515 0 Precautions for Checking Emission of Laser Diode NOTES ON HANDLING THE OPTICAL PICK-UP Laser light of the equipment is focused by the object lens in the BLOCK OR BASE UNIT optical pick-up so that the light focuses on the reflection surface of the disc.
  • Page 4 http://www.xiaoyu163.com 3 7 63 1515 0 SERVICE MODE 2. Operation in Service Mode When the Service mode is set, the LCD on the remote commander In the Service mode, this set can check the following. displays the following. 1. Service Mode Setting Method Remote commander LCD display To set the Service mode, perform as follows.
  • Page 5: Te L 13942296513

    http://www.xiaoyu163.com 3 7 63 1515 0 5. Error Rate Check Display The C1 Error Rate Check Display mode becomes active if the following operation is performed during the operation in the normal mode. 1) Make sure that the Power is not turned on. 2) Fix the open/close detection switch (S801) on the Main board with a tape so that the switch is turned on.
  • Page 6: General

    http://www.xiaoyu163.com SECTION 2 This section is extracted from instruction manual. GENERAL 3 7 63 1515 0 Getting started Remote control qf Display Locating the controls (pages 9, 11 - 15) For details, see pages in parentheses. CD player (front) qh x (stop) button 1 EXT BATT (external battery)/ (pages 8, 16) DC IN 4.5 V (external power...
  • Page 7: Disassembly

    http://www.xiaoyu163.com SECTION 3 DISASSEMBLY 3 7 63 1515 0 • This set can be disassembled in the order shown below. Cabinet (Upper) Section Cabinet (Upper) Sub Assy, “Lid Sub Assy, Upper” (E888/EJ825 Model) 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...
  • Page 8 http://www.xiaoyu163.com 3 7 63 1515 0 CABINET (UPPER) SUB ASSY “LID SUB ASSY, UPPER” (E888/EJ825 MODEL) 7 lid sub assy, upper 6 plate, fulcrum 5 six tapping screws (1.7 × 2.5) 4 cabinet (upper) sub assy L 13942296513 1 two step screws 2 Open the upper lid sub assy.
  • Page 9 http://www.xiaoyu163.com 3 7 63 1515 0 MAIN BOARD, OPTICAL PICK-UP SECTION (CDM-3021EBG) Note: Do not apply an excessive force 3 terminal board (relay), battery when removing an adhesive sheet from the optical pick-up flexible board. optical pick-up 4 Holding up the optical pick up section flexible board a little, remove the adhesive sheet.
  • Page 10 http://www.xiaoyu163.com 3 7 63 1515 0 SETTING THE BATTERY TERMINAL BOARD (RELAY) LEAD WIRE AND MOTOR LEAD WIRES Note: Install the battery terminal board (relay) lead wire, aligning with four bosses. Fix them to the position shown in figure using saranet cushion.
  • Page 11: Electrical Checking

    http://www.xiaoyu163.com SECTION 4 ELECTRICAL CHECKING 3 7 63 1515 0 The CD section adjustments are done automatically in this set. Focus bias Check In case of operation check, confirm that focus bias. Condition: • Hold the set in horizontal state. Precautions for Check 1.
  • Page 12: Diagrams

    http://www.xiaoyu163.com SECTION 5 DIAGRAMS 3 7 63 1515 0 • IC BLOCK DIAGRAM IC351 TA2131FL (EL) BEEP VREF V REF LPF1 MT TC VCC1 BST NF1 BST1 LPF2 BEEP BST2 BST NF2 OUTB BST OUT BEEP OUTA IC402 MPC17H71MTAEL L 13942296513 FEEDBACK PATTERN BEMF GENERATOR...
  • Page 13 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 IC401 TB2119F IC601 CXD3028R 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 59 58 57 56 54 53 52 51 49 48...
  • Page 14: Block Diagram - Main Section (1/2)

    D-E888/E999/EJ825/EJ925 3 7 6 3 1 5 1 5 0 5-1. BLOCK DIAGRAM – MAIN Section (1/2) – RF AMP, DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR, D-RAM CONTROLLER IC601 DETECTOR WDCK DOUT DIGITAL DOUT WFCK (Page 17) D-RAM IC602...
  • Page 15: Block Diagram - Power Supply Section

    D-E888/E999/EJ825/EJ925 5-2. BLOCK DIAGRAM – MAIN Section (2/2) – 5-3. BLOCK DIAGRAM – POWER SUPPLY Section – (Page 15) B+ SWITCH VCC2 3V Q601 DOUT (Page 15) (Page 16) OPTICAL J301 TRANSCEIVER LINE OUT (OPTICAL) (Page 15) LOUT ROUT...
  • Page 16 D-E888/E999/EJ825/EJ925 5-4. PRINTED WIRING BOARD – MAIN Board (Suffix-11) – 5-5. PRINTED WIRING BOARD – MAIN Board (Suffix-12) – • Semiconductor Note on Printed Wiring Boards (Suffix-11 and -12): Location • X : parts extracted from the component side.
  • Page 17: Schematic Diagram - Main Board

    D-E888/E999/EJ825/EJ925 5-6. SCHEMATIC DIAGRAM – MAIN Board – • See page 29 for Waveforms. • See page 12 for IC Block Diagrams. Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.
  • Page 18: Exploded Views

    D-E888/E999/EJ825/EJ925 SECTION 6 EXPLODED VIEWS • Waveforms 5-7. IC PIN FUNCTION DESCRIPTION • IC801 T5U87-1B68 (SYSTEM CONTROLLER) NOTE: 1 IC402 9 CLK 6 IC601 e; R4M • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they The components identified by 1 V/DIV, 1 µs/DIV...
  • Page 19 http://www.xiaoyu163.com 3 7 63 1515 0 (2) CABINET (LOWER) SECTION CDM-3021EBG not supplied L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-221-841-01 SPACER (MD) 3-223-810-51 CABINET (LOWER) (PINK) (EJ825: US, CND, 3-831-441-99 CUSHION AEP, UK, FR, G, KR, CH) 3-318-201-01 SCREW (B) (1.4X3), TAPPING 3-223-810-61 CABINET (LOWER) (BLUE) (EJ825: E13, HK) 3-221-816-01 SPRING (GROUND)
  • Page 20 http://www.xiaoyu163.com 3 7 63 1515 0 (3) OPTICAL PICK-UP SECTION (CDM-3021EBG) M902 M901 L 13942296513 The components identified by Les composants identifiés par une mark 0 or dotted line with marque 0 sont critiques pour la mark 0 are critical for safety. sécurité.
  • Page 21: Electrical Parts List

    http://www.xiaoyu163.com SECTION 7 MAIN 3 7 63 1515 0 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark parts list may be different from the parts speci- are seldom required for routine service.
  • Page 22 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C444 1-115-467-11 CERAMIC CHIP 0.22uF C811 1-107-820-11 CERAMIC CHIP 0.1uF C445 1-104-913-11 TANTALUM CHIP 10uF C812 1-164-156-11 CERAMIC CHIP 0.1uF C446 1-125-777-11 CERAMIC CHIP 0.1uF C447...
  • Page 23 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R203 1-218-879-11 METAL CHIP 0.5% 1/16W L305 1-410-997-22 INDUCTOR 2.2uH R205 1-218-947-11 RES-CHIP 1/16W L401 1-419-188-21 INDUCTOR 100uH R206 1-218-945-11 RES-CHIP 1/16W L402 1-414-404-41 INDUCTOR...
  • Page 24 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R440 1-218-957-11 RES-CHIP 2.2K 1/16W R633 1-218-899-11 METAL CHIP 150K 0.5% 1/16W R441 1-218-969-11 RES-CHIP 1/16W R634 1-218-953-11 RES-CHIP 1/16W R442 1-218-977-11 RES-CHIP 100K 1/16W...
  • Page 25 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark VDR401 1-801-862-11 VARISTOR, CHIP 3-221-698-21 MANUAL, INSTRUCTION (ENGLISH) VDR402 1-801-862-11 VARISTOR, CHIP (EJ925: US) 3-221-699-11 MANUAL, INSTRUCTION (CHINESE) < VIBRATOR > (EJ925: E13, HK) 3-221-699-21 MANUAL, INSTRUCTION (ENGLISH) X601...
  • Page 26 D-E888/E999/EJ825/EJ925 3 7 63 1515 0 L 13942296513 u163 Sony Corporation 2000J0573-1 9-873-000-11 Audio Entertainment Group Printed in Japan C 2000. 10 – 40 – Published by General Engineering Dept. http://www.xiaoyu163.com...

This manual is also suitable for:

D-e925Walkman d-e999Walkman d-ej825Walkman d-ej925