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Sony RWALKMAN WM-FX487, Service Manual

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Sony RWALKMAN WM-FX487 Service Manual Download Page 1

WM-FX483/FX485/FX487

US Model

WM-FX487

Canadian Model

WM-FX485/FX487

AEP Model

E Model

WM-FX483/FX485/FX487

SERVICE MANUAL

RADIO CASSETTE PLAYER

MICROFILM

Model Name Using Similar Mechanism

WM-EX402/EX404/EX405/EX406

Tape Transport Mechanism Type

MF-WMFX483-147

SPECIFICATIONS

Manufactured under license from Dolby
Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol 

a

 are

trademarks of Dolby Laboratories Licensing
Corporation.

Design and specifications are subject to change without notice.

Photo : WM-FX485

Ver 1.0  1998.03

Summary of Contents for RWALKMAN WM-FX487

Page 1: ...Using Similar Mechanism WM EX402 EX404 EX405 EX406 Tape Transport Mechanism Type MF WMFX483 147 SPECIFICATIONS Manufactured under license from Dolby Laboratories Licensing Corporation DOLBY and the double D symbol a are trademarks of Dolby Laboratories Licensing Corporation Design and specifications are subject to change without notice Photo WM FX485 Ver 1 0 1998 03 ...

Page 2: ...DISASSEMBLY 2 1 Cabinet Front Assy 5 2 2 Main Board 6 2 3 Mechanism Deck 6 2 4 Cassette Lid Sub Assy 7 2 5 Display Board 7 3 MECHANICAL ADJUSTMENT 8 4 ELECTRICAL ADJUSTMENT 8 5 DIAGRAMS IC Block Diagrams 11 5 1 Block Diagram 13 5 2 Printed Wiring Board Main Section 15 5 3 Schematic Diagram Main Section 17 5 4 Printed Wiring Board Display Section FX483 FX485 19 5 5 Schematic Diagram Display Section...

Page 3: ...SECTION 1 GENERAL 3 ...

Page 4: ... 4 ...

Page 5: ...der given 2 1 CABINET REAR ASSY This set can be disassembled in the order shown below 2 1 CABINET REAR ASSY 2 2 MAIN BOARD 2 4 CASSETTE LID SUB ASSY 2 3 MECHANISM DECK 2 5 DISPLAY BOARD 1 Screw B 1 7 12 tapping 2 Open the lid battery case 3 3 3 Cabinet rear assy Claws Claws 6 5 5 5 4 ...

Page 6: ...te holder with the spring lid up as shown below in the drawing so that it fits into the holes on the cabinet front assy Once installed fit the left and right pieces on 3 PC board flexible Cabinet front assy HEAD flexible board 1 Screw 1 7 2 5 tapping MAIN board 4 4 5 Mechanism deck Cabinet front assy 2 1 1 1 ...

Page 7: ...Y Press on the left right clips from the rear of the Cabinet front assy and remove the boss 2 1 Cassette lid sub assy Cabinet front assy 3 Spring lid up Cassette lid sub assy Cabinet front assy 2 1 Screws 1 Screws DISPLAY board Holder Cassette lid ...

Page 8: ... 28 0 58 oz inch Less than 2 g cm Less than 0 03 oz inch 20 42 g cm 0 28 0 58 oz inch Less than 2 g cm Less than 0 03 oz inch More than 50 g cm More than 0 69 oz inch PRECAUTION 1 Specified voltage 3 0V 2 Switch and control position MENU switch MENU TAPE SET NORM MENU SOUND SET No message MENU AVLS SET No message MENU aNR SET OFF FX485 FX487 VOL control maximum CASSETTE SECTION Test Tape Tape Spee...

Page 9: ...t PHONES FM RF signal generator 75kHz frequency deviation by 1KHz signal Output level as low as possible 0 01µF to IC1 pin 1 Level meter AC 0 5 5V range 16Ω AM RF signal generator 30 amplitude modulation by 400Hz signal Output level as low as possible Put the lead wire antenna close to the set Set jack 16Ω Level meter AC 0 5 5V range 2 digital voltmeter VT GND MAIN board AM TUNING VOLTAGE ADJUSTME...

Page 10: ...TMENT T1 CT2 MAIN BOARD SIDE A MAIN BOARD SIDE B J301 C606 C701 C306 1 1 1 3 2 18 17 1 1 2 18 17 C34 CT1 CT2 R18 R21 R6 S601 MD CONTROL RVS REW FWD FF 6 FX483 MODEL FX483 MODEL FX485 FX487 MODELS EXCEPT US CND C SA FX485 FX487 MODELS C36 C105 C205 C37 S701 HOLD OFF ON RV301 VOL 3 R19 R20 C17 C16 Q4 TP VT TP VT TP GND TP GND TP ANT TP ANT L3 L2 T1 L1 FL1 GND VCC DATA REMO L4 L R ...

Page 11: ...d Y parts extracted from the conductor side Through hole b Pattern from the side which enables seeing The other layers patterns are not indicated Caution Pattern face side Parts on the pattern face side seen from Conductor B the pattern face are indicated Parts face side Parts on the parts face side seen from Component A the parts face are indicated IC BLOCK DIAGRAMS IC1 TA2104 24 23 22 21 20 19 1...

Page 12: ... 33 34 35 36 25 24 23 22 26 27 21 20 R F REF REF REF REF 19 REF REF LOW BOOST SYS CONT DET DET MIX 2 MIX 1 6 7 4 5 3 2 1 PWR C PWR 1 PWR 2 MIX IN R HP IN R LP1 L B GAIN M B ON OFF LP2 DET1 FWD REV PWR IN R MIX OUT R MIX OUT L RIPPLE REF FWD L FWD R REV R REV L NF L NF R MIX IN L HP IN L SW OUT L SW OUT R PRE OUT L PRE OUT R PRE GND PRE MUTE POWER MUTE PWR OUT R VCC COM PWR GND PWR OUT L AVLS DET2 ...

Page 13: ...MODEL R CH GND REMO DATA VCC COM L CH Q305 Q304 TUNER VCC S702 715 FWD FF REW RVS OFF ON HOLD REG IC702 MD CONT S601 SW Q706 FM MODE 31 VCO FM 70 EO 65 IF REQ 61 IF IN 64 TAPE SELECT 32 VCO AM 71 FWD REV 28 MUTE 62 DOLBY 27 GROOVE 48 AD IN2 43 MEGA BASS 47 AVLS 30 BEEP 49 AD IN3 44 HOLD SENS 40 HOLD 41 FWD 58 FF 57 REW 56 REV 55 RIPPLE FILTER Q52 53 RADIO B SWITCH Q51 BATT B VCC 5 RADIO ON 60 TUNE...

Page 14: ...C34 CT1 CT2 R18 R21 R6 S601 MD CONTROL RVS REW FWD FF 6 FX483 MODEL FX483 MODEL FX487 MODEL FX485 FX487 MODELS EXCEPT US CND C SA FX485 FX487 MODELS C36 C105 C205 C37 S701 HOLD OFF ON RV301 VOL 3 R19 R20 C17 C16 Q4 TP VT TP GND TP ANT L3 L2 T1 L1 FL1 GND VCC DATA REMO L4 L R D401 D402 C316 S301 OPEN Ref No Location D1 C 10 D2 B 9 D3 B 9 D401 H 4 D402 I 4 D701 H 11 IC1 C 9 IC301 G 9 IC331 E 5 IC601...

Page 15: ...WM FX483 FX485 FX487 18 17 5 3 SCHEMATIC DIAGRAM MAIN SECTION Refer to page 11 for Note on Schematic Diagram ...

Page 16: ...ation DISPLAY BOARD SIDE A DISPLAY BOARD SIDE B 1 667 935 11 11 1 667 935 11 11 B TO MAIN BOARD CN302 A TO MAIN BOARD CN301 1 5 10 18 15 1 5 10 18 15 1 5 10 15 22 16 X701 C724 C725 JC701 S715 5 S714 4 S708 SET S707 MENU S705 REW S704 FF S710 TUNING S702 RADIO OFF S713 3 S712 2 S711 1 S703 S706 RADIO ON BAND S709 TUNING JC701 FX483 MODEL FX485 MODEL E EE MODELS AEP IT FR EE MODELS E C SA US CND MOD...

Page 17: ...WM FX483 FX485 FX487 22 21 5 5 SCHEMATIC DIAGRAM DISPLAY SECTION Refer to page 11 for Note on Schematic Diagram FX483 FX485 ...

Page 18: ...onductor Location DISPLAY BOARD SIDE A DISPLAY BOARD SIDE B 1 667 934 11 11 1 667 934 11 11 16 X701 C705 1 5 10 15 22 ND701 LIQUID CRYSTAL DISPLAY B TO MAIN BOARD CN302 1 5 10 18 15 A TO MAIN BOARD CN301 1 5 10 18 15 S708 SET S704 FF S705 REW RADIO OFF S702 S703 S712 2 S711 1 S714 4 S713 3 C725 S715 5 S706 RADIO ON BAND S710 TUNING S709 TUNING S707 MENU AEP IT FR EE MODELS E C SA US CND MODELS EE ...

Page 19: ...WM FX483 FX485 FX487 26 25 5 7 SCHEMATIC DIAGRAM DISPLAY SECTION Refer to page 11 for Note on Schematic Diagram FX487 FR ...

Page 20: ...PHOTO ON L STOP OFF Input port Rotation detection signal input terminal Mechanism deck mode detection SW input terminal ON H Band selection terminal L AM Input port FM Radio ON OFF control terminal H When radio is ON IF request terminal L During auto scan Otherwise Input port Mute signal output terminal H During MUTE ON Open IF input terminal Error out signal output terminal VDD Open Power supply ...

Page 21: ...age power supply terminal for LCD drive Pin No 74 75 76 77 78 79 80 Note Output value of P9 2 FM MODE terminal changes depending upon destination US Canadian High output during LOCAL mode Low output during DX mode E AEP East European Low output during MONO mode Set to the input during STEREO mode Note Output port setting during STOP mode Hi imp S23 S24 D01 OT2 DO2 Low P3 0 P3 1 P3 2 MUTE Set to th...

Page 22: ...rts of Color Cabinet s Color SECTION 6 EXPLODED VIEWS When indicating parts by reference number please include the board name The mechanical parts with no reference number in the exploded views are not supplied Hardware mark list and accessories and packing materials are given in the last of this parts list Abbreviation CND Canadian IT Italian EE East European FR French C SA Central and South Amer...

Page 23: ...A 3021 074 A DISPLAY BOARD COMPLETE FX485 CND C SA 3 A 3021 079 A DISPLAY BOARD COMPLETE FX485 AEP IT FR 4 3 019 510 01 BUTTON RUBBER FX483 FX485 5 3 019 497 01 BUTTON TOP FX487 5 3 019 509 01 BUTTON TOP FX483 FX485 5 3 026 812 01 BUTTON MENU BLUE FX485 FR 6 3 020 517 01 BUTTON SET MENU FX483 FX485 6 3 020 517 21 BUTTON SET MENU BLUE FX485 FR 6 3 019 499 01 BUTTON PRESET FX487 7 3 019 506 01 LOCKE...

Page 24: ...0 01 SPACER KNOB OPEN 64 3 020 507 31 CABINET FRONT CF FX483 64 3 020 507 01 CABINET FRONT FX485 CND C SA 64 3 020 507 41 CABINET FRONT FX485 AEP IT FR EE E 64 3 020 507 51 CABINET FRONT FX487 65 3 364 675 01 SPRING CASSETTE 66 A 3021 077 A MAIN BOARD COMPLETE FX483 C SA 66 A 3021 073 A MAIN BOARD COMPLETE FX485 CND C SA FX487 CND C SA 66 A 3021 072 A MAIN BOARD COMPLETE FX483 EE 66 A 3021 078 A M...

Page 25: ...4 01 SPRING HEAD BASE 113 3 703 816 31 SCREW M1 4 SPECIAL HEAD 114 X 3375 021 1 LEVER ASSY R F PINCH 115 3 703 816 73 SCREW M1 4 SPECIAL HEAD 116 3 921 797 01 WASHER 117 3 921 003 01 BEARING 118 3 022 100 01 SPRING B T COMPRESSION 119 3 024 223 01 GEAR REEL 2 120 X 3375 268 1 GEAR AF SV ASSY 121 3 338 647 31 WASHER 1 0 2 5 M901 1 763 073 11 MOTOR HP901 1 500 555 11 HEAD MAGNETIC PLAYBACK Ref No Pa...

Page 26: ...IC CHIP 100PF 5 50V C711 1 164 357 11 CERAMIC CHIP 1000PF 5 50V C712 1 162 927 11 CERAMIC CHIP 100PF 5 50V C713 1 162 927 11 CERAMIC CHIP 100PF 5 50V C714 1 162 974 11 CERAMIC CHIP 0 01uF 50V C715 1 110 501 11 CERAMIC CHIP 0 33uF 10 16V C716 1 164 473 11 CERAMIC CHIP 820PF 10 50V C717 1 162 974 11 CERAMIC CHIP 0 01uF 50V C718 1 162 927 11 CERAMIC CHIP 100PF 5 50V C719 1 162 974 11 CERAMIC CHIP 0 0...

Page 27: ... A 3021 073 A MAIN BOARD COMPLETE FX485 CND C SA FX487 CND C SA A 3021 077 A MAIN BOARD COMPLETE FX483 C SA A 3021 078 A MAIN BOARD COMPLETE FX485 AEP IT E FX487 AEP IT E A 3021 081 A MAIN BOARD COMPLETE FX483 FR A 3021 082 A MAIN BOARD COMPLETE FX485 FR A 3021 083 A MAIN BOARD COMPLETE FX485 EE FX487 EE A 3021 124 A MAIN BOARD COMPLETE FX487 US BATTERY BT1 3 020 511 01 TERMINAL BATTERY BT2 3 020 ...

Page 28: ...16V C316 1 109 935 11 TANTAL CHIP 4 7uF 20 4V C319 1 113 619 11 CERAMIC CHIP 0 47uF 10V C322 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C331 1 135 201 11 TANTALUM CHIP 10uF 20 4V FX485 FX487 C334 1 135 201 11 TANTALUM CHIP 10uF 20 4V FX485 FX487 C335 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V FX485 FX487 C401 1 162 915 11 CERAMIC CHIP 10PF 0 5PF 50V C402 1 164 357 11 CERAMIC CHIP 1000PF 5 50V C403 1 164...

Page 29: ...3 8 729 141 48 TRANSISTOR 2SB624 BV345 Q604 8 729 141 48 TRANSISTOR 2SB624 BV345 Q605 8 729 014 12 TRANSISTOR RN1311 TE85L Q606 8 729 028 76 TRANSISTOR DTA114YUA T106 Q607 8 729 014 12 TRANSISTOR RN1311 TE85L Q608 8 729 028 76 TRANSISTOR DTA114YUA T106 Q609 8 729 028 76 TRANSISTOR DTA114YUA T106 Q610 8 729 014 12 TRANSISTOR RN1311 TE85L Q701 8 729 014 12 TRANSISTOR RN1311 TE85L Q702 8 729 230 60 T...

Page 30: ...HIP 5 6K 5 1 16W R605 1 216 832 11 METAL CHIP 8 2K 5 1 16W R606 1 216 817 11 METAL CHIP 470 5 1 16W R607 1 216 817 11 METAL CHIP 470 5 1 16W R608 1 216 817 11 METAL CHIP 470 5 1 16W R609 1 216 829 11 METAL CHIP 4 7K 5 1 16W R610 1 216 827 11 METAL CHIP 3 3K 5 1 16W R611 1 216 821 11 METAL CHIP 1K 5 1 16W R701 1 216 817 11 METAL CHIP 470 5 1 16W R702 1 216 851 11 METAL CHIP 330K 5 1 16W R745 1 216 ...

Page 31: ... 38 Sony Corporation Personal A V Products Company 98C1683 1 Printed in Japan 1998 3 Published by Quality Engineering Dept Shibaura 9 923 373 11 WM FX483 FX485 FX487 ...

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