background image

5

A-3021-147-A MAIN BOARD, COMPLETE (AEP,KR,JE)

5

A-3021-207-A MAIN BOARD, COMPLETE (FR)

6

3-029-923-01 LID (N), BATTERY CASE (GOLD)

6

3-029-923-11 LID (L), BATTERY CASE (BLUE) (JE)

6

3-029-923-21 LID (B), BATTERY CASE (BLACK) (KR,JE)

9

A-3050-802-A ORNAMENT (OPEN) BLOCK ASSY

9

17

3-029-932-01 ORNAMENT (CASSETTE)

17
18

X-3376-372-1 LID ASSY (N), CASSETTE (GOLD)

18

X-3376-602-1 LID ASSY (L), CASSETTE (BLUE) (JE)

18

X-3376-603-1 LID ASSY (B), CASSETTE (BLACK)

20

3-029-205-01 MD COVER (JE)

20

3-029-205-11 MD COVER (AEP,FR,KR)

22

3-029-921-01 CASE (N) (GOLD)

22

3-029-921-11 CASE (L) (BLUE) (JE)

22

3-029-921-21 CASE (B) (BLACK) (KR,JE)

24

3-029-933-01 KNOB (VOL) (N) (GOLD)

24

3-029-933-11 KNOB (VOL) (L) (BLUE) (JE)

24

3-029-933-21 KNOB (VOL) (B) (BLACK) (KR,JE)

A-3021-259-A

MAIN BOARD, COMPLETE (AEP,KR,JE)

A-3021-308-A

MAIN BOARD, COMPLETE (FR)

3-029-923-31

LID (NA), BATTERY CASE (GOLD)

3-029-923-41

LID (LA), BATTERY CASE (BLUE)  (AEP,KR,JE)

X-3378-432-1

OPEN (SV-H) ASSY, ORNAMENT

(GRAY)…(GOLD)

X-3378-433-1

OPEN (SV-W) ASSY, ORNAMENT

(PEARL WHITE)…(BLUE) (AEP,KR,JE)

3-029-932-11

ORNAMENT (CASSETTE) (GOLD)

3-029-932-21

ORNAMENT (CASSETTE) (BLUE) (AEP,KR,JE)

X-3377-887-1

LID ASSY (N), CASSETTE (GOLD)

X-3377-888-1

LID ASSY (L), CASSETTE (BLUE) (AEP,KR,JE)

3-039-380-11

COVER (A), MD (JE)

3-039-380-21

COVER (A), MD (AEP,FR,KR)

3-039-379-01

CASE (GOLD)

3-039-379-11

CASE (BLUE) (AEP,KR,JE)

3-029-933-31

KNOB (VOL) (NA) (GOLD)

3-029-933-41

KNOB (VOL) (LA) (BLUE) (AEP,KR,JE)

Ver 1.1  2000. 01

WM-EX900

AEP Model

E Model

Tourist Model

SERVICE MANUAL

Part No.

Description

Remark

• Difference of Exploded Views

WM-EX900 AEP, French, Korean and Tourist model are almost same as WM-EX9 AEP, French, Korean and Tourist model.
This Service Manual contains only the points which differ from WM-EX9 AEP, French, Korean and Tourist model.
However accessories and packing materials are all listed.
For the informations not contained in this manual, please refer to WM-EX9 service manual (9-926-960-

) previously issued.

Page

WM-EX9 (AEP, FR, KR, JE model)

WM-EX900 (AEP, FR, KR, JE model)

24

Ref. No.

Part No.

Description

Remark

CASSETTE PLAYER

MICROFILM

• Color Indication of Appearance Parts

Example :

KNOB, BALANCE (WHITE) ... (RED)

R

R

Parts Color  Cabinet’s Color

• Abbreviation

FR : French model
KR : Korean model
JE : Tourist model

Summary of Contents for Walkman WM-EX900

Page 1: ...E 3 029 932 11 ORNAMENT CASSETTE GOLD 3 029 932 21 ORNAMENT CASSETTE BLUE AEP KR JE X 3377 887 1 LID ASSY N CASSETTE GOLD X 3377 888 1 LID ASSY L CASSETTE BLUE AEP KR JE 3 039 380 11 COVER A MD JE 3 039 380 21 COVER A MD AEP FR KR 3 039 379 01 CASE GOLD 3 039 379 11 CASE BLUE AEP KR JE 3 029 933 31 KNOB VOL NA GOLD 3 029 933 41 KNOB VOL LA BLUE AEP KR JE Ver 1 1 2000 01 WM EX900 AEP Model E Model ...

Page 2: ...7DR KR 0 1 528 744 23 BATTERY CHARGER BC 7DY AEP FR 0 1 569 007 11 ADAPTOR CONVERSION 2P JE 1 759 700 21 CASE BATTERY 3 008 521 01 CASE BATTERY CHARGE AEP FR KR 3 008 521 21 CASE BATTERY CHARGE JE 3 029 488 01 POUCH CARRYING 3 043 060 01 CASE CHARGE C D JE 3 867 900 01 MANUAL INSTRUCTION JAPANESE ENGLISH TRADITIONAL CHINESE JE 3 867 900 11 MANUAL INSTRUCTION KOREAN KR JE 3 867 900 21 MANUAL INSTRU...

Page 3: ...14WM 100 Sony alkaline LR6 WM used together Dimensions w h d Approx 77 7 108 19 6 mm projecting parts and controls Mass Approx 140 g Approx 205 g incl Nickel metal hydride rechargeable battery NH 14WM N and a cassette Supplied accessories Battery charger BC 7HT 1 Rechargeable battery NH 14WM 1 Rechargeable battery case 1 Dry battery case 1 Stereo headphones with remote control MDR ED132SP RM WME21...

Page 4: ...s 12 6 3 Schematic Diagram 15 6 4 Pin Description 18 7 EXPLODED VIEWS 7 1 Case Section 21 7 2 Mechanism Deck Section 22 8 ELECTRICAL PARTS LIST 23 Flexible Circuit Board Repairing Keep the temperature of the soldering iron around 270 C during repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times Be careful not to apply force on the conductor when solde...

Page 5: ... 2 Preset state The set must be in this state before the PLAY FF and REW modes can be entered 1 Make sure that the slider NR is in the center position and that the N R switch S701 is in the center position Make sure that the reel gear does not rotate by rotating the flywheel on the F side clockwise If improper place the set in the preset state according to the following instructions 2 Repeat the s...

Page 6: ...ywheel R insert flywheel N idler gear A S side gear Y clutch assy F motor pulley reverse pulley insert flywheel R insert flywheel N gear reel T side gear reel S side idler gear A T side idler gear A S side idler gear B gear Y gear NR FWD REV clutch assy F motor pulley gear FR reverse pulley insert flywheel R insert flywheel N gear reel T side idler gear A T side gear Y clutch assy F ...

Page 7: ...ontrol L left R right 1 VOL volume knob 2 2 REMOTE headphone remote control jack 3 Operation button 4 OPEN HOLD OPERATION switch 5 Dry battery case contact 6 Rechargeable battery compartment 7 HOLD switch 8 Liquid crystal display window 9 Stereo mini plug º MENU button Jog lever Clip ...

Page 8: ...erical order given 3 1 CASSETTE LID ASSY Cassette Lid Assy Case Ornament OPEN Block Assy Sub Board Leaf Switch Main Board Belt F1 Motor F1 M701 Set 3 2 CASE 2 screw M1 4x2 2 4 cassette lid assy 3 screws M1 4x2 2 1 4 screw M1 4x1 6 5 screws M1 4x2 2 7 mechanism deck block 8 case 6 2 screw M1 4x2 2 3 screw M1 4x2 2 1 battery case lid ...

Page 9: ...MAIN BOARD 1 ornament open block assy mechanism deck block 3 screw M1 4x1 4 5 screw M1 4 6 SUB board 2 screw M1 4 MAIN board 1 screw 4 Unsolder the 6 places Unsolder the motor 9 Unsolder the plunger 0 Unsolder the flexible board claw 7 screw M1 4 8 leaf switch ...

Page 10: ... 8 3 5 BELT F1 MOTOR F1 M701 2 screws M1 4 4 motor F1 M701 3 motor base F1 1 belt F1 ...

Page 11: ...5 25 g cm REV CQ 102RC 0 21 0 35 oz inch REV less than 2 g cm back tension less than 0 03 oz inch more than 50 g cm FF REW CQ 201B more than 0 69 oz inch SECTION 5 ELECTRICAL ADJUSTMENTS SECTION 4 MECHANICAL ADJUSTMENTS PRECAUTION Supplied voltage 1 3 V Switches and control position VOL switch NORM Remote control position HOLD switch OFF VOL control MAX SOUND mode NORM DOLBY mode OFF Test Tape Typ...

Page 12: ...5 MOTOR SW Q603 11 6 8 1 2 SWITCH SWITCH BEEP M N F R BST PW MT AMS DET VCC PRE OUT R PRE OUT L 7 5 4 3 AUDIO AMP IC301 1 2 VREF FWD L FWD R REV L REV R L R L R REF V ICI1 VI1 VI2 IV U IN V IN W IN CTRL 1 CTRL 2 DIR PSIG UT VT WT UT VT WT WS VS US TU TW TV TU TW TV W V U W V U C 04 WS VS US W OUT V OUT U OUT MCENTER MC B 1 5V SYSTEM CONTROL IC701 DATA PMUM 6 PM CTL 17 RESET 35 A B SW 1 FWD SW 2 CE...

Page 13: ...rwise specified indicates tolerance C panel designation U B Line H adjustment for repair Total current is measured with no cassette installed Power voltage is dc 1 5 V and fed with regulated dc power supply from battery terminal Voltages is dc with respect to ground in playback mode no mark PB DOLBY ON Impossible to measure Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may...

Page 14: ... 20 DOLBY CTL O Dolby circuit control signal output L ON 21 VDD1 Power supply pin for external interface 22 VSS Ground 23 VDD Power supply pin 24 VDDH Backup increased voltage power supply pin 25 CB1 Increased power supply capacitor connection pin 26 CB2 Increased power supply capacitor connection pin 27 VDDL Internal logic positive side power supply pin 28 XT0 I Crystal oscillator connection pin ...

Page 15: ... NF R EQ R RF IN PW GND PW OUT R PW OUT C PW OUT L VCC BASE RF OUT GND AMS DET AMS MIX AMS IN VREF IN PRE GND M N SW PRE SW F R SW BST SW PW SW NT SW AMS OUT BEEP MT TC CAMP SW AMS IN PRE NF R PRE OUT R MTL DRV R MTL DRV L PRE OUT L PRE NF L REV IN L REV IN R REF OUT FWD IN R FWD IN L BIAS CIRCUIT WEIGHT G2 G1 V I ACH BLOCK GM SUN BCH BLOCK SAME ACH 14 13 12 11 10 9 8 1 2 3 4 5 6 7 GND IREF VREF I...

Page 16: ... SIG PW SW 4 5 6 1 2 9 7 8 14 15 16 17 18 19 20 21 22 24 23 25 26 27 30 29 28 36 35 34 33 32 31 WS MC U IN 3 VCC V IN W IN CTRL1 CTRL2 DIR VS US U OUT NC V OUT W OUT WT VT UT PGND FC CT2 CT1 IR ICI2 ICI1 I SOFT M CENTER GND VI2 VI1 IV VC 13 PW 12 CI 11 Vref 10 P SIG 1 2 3 4 8 7 6 5 VCC CE RIPPLE GND OUT 1 OUT 2 OUT 3 OUT 4 Vref 4 3 1 2 VSS NC OUT VDD ...

Page 17: ... CASE BLACK 7 3 366 892 11 SCREW M1 4X1 4 8 X 3376 278 1 TERMINAL PLATE ASSY BATTERY 9 A 3050 802 A ORNAMENT OPEN BLOCK ASSY 10 3 366 892 01 SCREW M1 4 11 X 3376 277 1 BRACKET ASSY 12 4 963 883 51 SCREW M1 4 PRECISION PAN 13 1 671 401 11 SUB BOARD 14 3 029 217 01 LEVER B LOCK 15 X 3376 371 1 BRACKET CASSETTE ASSY 16 3 365 630 41 SCREW M1 4 17 3 029 932 01 ORNAMENT CASSETTE 18 X 3376 372 1 LID ASSY...

Page 18: ...724 21 WASHER 66 3 029 286 01 GEAR NR 67 3 029 884 01 BELT F1 68 3 007 433 01 SHEET N REFLECTION 69 3 029 283 01 GEAR IDLER A 70 3 029 765 01 SCREW M1 4 TOOTHED LOCK 71 3 029 268 01 FLYWHEEL R INSERT 72 3 029 883 01 RETAINER BASE F1 MOTOR 73 3 029 273 01 GEAR FR 74 3 010 273 02 GEAR REEL 75 3 029 288 01 PULLEY REVERSE 76 3 010 954 01 SPRING BT COMPRESSION 77 3 010 274 02 TABLE REEL 78 3 029 289 01...

Page 19: ... 165 128 11 CERAMIC CHIP 0 22uF 16V C309 1 165 112 11 CERAMIC CHIP 0 33uF 16V C310 1 115 467 11 CERAMIC CHIP 0 22uF 10 10V C311 1 135 149 21 TANTALUM CHIP 2 2uF 20 10V C312 1 164 360 11 CERAMIC CHIP 0 1uF 16V C313 1 115 156 11 CERAMIC CHIP 1uF 10V C314 1 125 837 11 CERAMIC CHIP 1uF 10 6 3V C315 1 164 505 11 CERAMIC CHIP 2 2uF 16V C316 1 135 151 21 TANTALUM CHIP 4 7uF 20 4V C317 1 113 600 11 TANTAL...

Page 20: ...3 1 216 789 11 METAL CHIP 2 2 5 1 16W R204 1 216 827 11 METAL CHIP 3 3K 5 1 16W R205 1 216 839 11 METAL CHIP 33K 5 1 16W R206 1 216 841 11 METAL CHIP 47K 5 1 16W R207 1 216 857 11 METAL CHIP 1M 5 1 16W R208 1 216 824 11 METAL CHIP 1 8K 5 1 16W R209 1 216 821 11 METAL CHIP 1K 5 1 16W R210 1 216 811 11 METAL CHIP 150 5 1 16W R211 1 216 845 11 METAL CHIP 100K 5 1 16W R212 1 216 832 11 METAL CHIP 8 2K...

Page 21: ... 21 SWITCH SLIDE N R S702 1 762 516 11 SWITCH PUSH 1 KEY A B VIBRATOR X701 1 579 258 11 VIBRATOR CRYSTAL 32 768kHz 1 671 401 11 SUB BOARD SWITCH S703 1 771 053 21 SWITCH KEY BOARD HOLD MISCELLANEOUS HP701 1 500 576 11 HEAD MAGNETIC PLAYBACK M701 1 763 165 11 MOTOR F1 CAPSTAN REEL including PULLEY PM701 1 454 674 32 SOLENOID PLUNGER S704 1 762 553 11 SWITCH LEAF TAPE IN ATS ACCESSORIES PACKING MATE...

Page 22: ... 26 Sony Corporation Personal A V Products Company 9 924 980 11 WM EX9 98K0470031 1 Printed in Singapore C1998 11 Published by Quality Engineering Dept Shibaura ...

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