Sony Walkman WM-FX700 Service Manual Download Page 21 | Manualshive

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21

WM-FX700/FX890/FX900

6-6. IC BLOCK DIAGRAMS

TA2154FN(EL)

TA2123AF(EL)

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Summary of Contents for Walkman WM-FX700

Page 1: ...531 1602 kHz Tape section Frequency response Playback 40 15000Hz Output Headphones i jack Load impedance 8 300 Ω General Power requirements 1 5V Rechargeable battery One R6 size AA battery Dimensions w h d Approx 77 1 x 108 0 x 22 5 mm 31 8 x 43 3 x 29 32 inches excl projecting parts and controls Mass Approx 153g 5 4 oz main unit only Supplied accessories AC power adaptor 1 Battery case 1 Stereo h...

Page 2: ...nary soldering irons can be used but the iron tip has to be applied to the solder joint for a slightly longer time Soldering irons using a temperature regulator should be set to about 350 C Caution The printed pattern copper foil may peel away if the heated tip is applied for too long so be careful Strong viscosity Unleaded solder is more viscous sticky less prone to flow than ordinary solder so u...

Page 3: ... board removed As a result the motor M601 cannot be controlled causing malfunction Further the DIRECTION switch S801 is also mounted on the MAIN board and with the board removed the mechanism position cannot be detected and the operation is not changed over Therefor when the voltage check is executed with the MAIN board removed follow the procedure provided below 1 Setting 1 Refer to 3 DISASSEMBLY...

Page 4: ...m gear gear RE E L side T motor pulley idler gear A side T gear FR FF left side insert flywheel N insert flywheel R reverse pulley clutch assy F idler gear B gear Y cam gear gear RE E L side T gear RE E L side S motor pulley idler gear A side T idler gear A side S gear NR FWD left side R EV right side insert flywheel N insert flywheel R reverse pulley clutch assy F gear Y cam gear gear RE E L side...

Page 5: ...WM FX700 FX890 FX900 5 SECTION 2 GENERAL LOCATION OF CONTROLS This section is extracted from instruction manual ...

Page 6: ...1 Case Block Assy Set Case Block Assy Main Board Holder F Assy Pinch Lever N R Assy Magnetic Head HP901 Belt F2 Motor M601 Ornament Block Assy Reel Lid Assy Cassette 2 screw M1 4 1 6 Note On installation case block assy adjust the S701 and knob hold knob hold S707 1 two screws M1 4 2 5 5 Remove the case block assy in the direction of the arrow 3 two screws M1 4 2 5 4 ...

Page 7: ...board 5 screw M1 4 6 MAIN board 3 Remove two solders of plunger solenoid 2 Remove four solders of leaf switch S701 5 two screws 4 Remove four solders of motor slider Note On installation MAIN board adjust the S701 and slider 3 belt 2 terminal board 1 Remove the solder of terminal board ...

Page 8: ...WM FX700 FX890 FX900 8 3 4 Motor M601 3 5 Lid Assy Cassette 2 motor 1 two screws M1 4 2 two screws M1 4 2 1 screw M1 4 2 5 lid assy cassette 3 Open the cassette lid 4 shaft ...

Page 9: ... claw 4 claw 4 claw 2 claw 1 claw 3 boss 5 ornament block assy reel 8 Remove six solders of head flexible board 9 Remove the holder F assy in the direction of the arrow 1 two screws M1 4 1 4 3 lever B lock 2 shaft 7 bracket cassette assy 5 lever S lock 4 screw M1 4 6 shaft ...

Page 10: ... N R Assy 3 9 Magnetic Head HP901 1 claw 2 Remove the magnetic head HP901 in the direction of the arrow 1 claw 2 Remove the pinch lever R assy in the dereciton of the arrow 4 Remove the pinch lever N assy in the direction of the arrow 3 claw ...

Page 11: ... 5 g cm 0 007 0 02 oz inch REV 1 57 2 45 mN m 16 25 g cm CQ 102RC 0 23 0 34 oz inch REV 0 49 1 47 mN m Back Tension 0 5 1 5 g cm 0 007 0 02 oz inch more than 4 90 mN m FF REW CQ 201B more than 50 g cm more than 0 7 oz inch PRECAUTION 1 Specified voltage 1 3 V DC 2 Setting SPEED CONTROL RV602 Center Value MONO ST FM STEREO Test tape Type Signal Used for WS 48A 3 kHz 0 dB Tape Speed Adjustment Tape ...

Page 12: ...e 1 1 to1 4V Adjustment Location Main board See page 13 0 dB 1µV Repeat the procedures in each adjustment several times and the frequency coverage and tracking adjustments should be finally done by the trimmer capacitors 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 16 Ω phones jack J301 level meter Fre...

Page 13: ...WM FX700 FX890 FX900 13 Adjustment Location CT1 L1 L5 L5 AM tracking adjustment RV601 Tape speed adjustment CT1 AM tracking adjustment BP1 ANT IN VT L1 FM tracking adjustment MAIN BOARD SIDE B ...

Page 14: ... VOM 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 E PB F FM Waveform Note on Printed Wiring Board Y parts extracted from the conductor side Pattern from the side which enables seeing Caution Pattern...

Page 15: ...CTRL 46 AMS IN MOTOR DIR MOTOR START MOTOR CTRL1 MOTOR CTRL2 MOTOR BREAK 69 MD SW REV 68 MD SW STOP 67 MD SW FWD 37 E2P CS CS VOUT LX CE CK D1 D0 39 E2P CLK 38 1 2 3 3 4 5 1 2 E2P DATA TAPE VDD 2 5V PHOTO IN 60 BATT PHOTO CTL PM CTL IC701 2 2 SYSTEM CONTROL IC901 BATT LEVEL DETECT IC702 EEPROM IC401 SWITCHING REGULATOR IC703 RESET CF1 FM IF IC1 FM AM FRONT END IF DET FM MPX IC701 1 2 SYSTEM CONTRO...

Page 16: ...211 R102 R212 R202 R210 R214 R209 R218 R208 R201 R207 R101 R115 R107 R215 R306 R307 R301 R106 R116 R216 R206 R412 R413 R701 R414 R415 R741 R735 R714 R707 R902 R901 R702 R703 R709 R708 R706 R603R 6 6 0 R604 R601 R602 R605 R613 R411 R611 R609 R610 R409 R410 R408 R614 R607 R401 R710 R712 R711 R737 R800 R733 R732 C323 R1 C23 i N VOL 1 12 13 24 1 2 3 1 23 4 REV STOP FWD t t SIDE A MAIN BOARD 11 11 1 68...

Page 17: ...304 R302 R303 R305 R717 R704 R745 R744 R743 R746 R621 R617 R616 R620 R615 R403 R402 R405 R786 R404 R406 R407 R650 R719 R718 R720 R721 R723 R722 R725 R747 R742 R729 R728 R726 R730 R748 R731 R749 R716 C404 R622 R619 R724 C412 SIDE B MAIN BOARD 11 11 1 688 821 L CH FWD HP901 PLAYBACK HEAD REV R CH L CH R CH SPEED CONTROL HOLD SET MENU ENTER RADIO ON BAND REPEAT h h FF CUE RADIO OFF REVIEW REW TUNER P...

Page 18: ...1 0 01 10k 2 2k 10k 10k 10k 4 7k 4 7k 1k 100k 0 01 2 1 1k 0 47 0 047 4 7 6 3V 470p AM IF 47 4V 0 1 4 7 6 3V FM IF 0 001 1k 0 047 0 022 10 6 3V 1 1k 1 DC DC MA2S111 2SD1048 MA2SD1000L 10 6 3V 2SC4617TL Q 12A02S TL 2 2k 0 01 1 0 022 0 01 470 4 7k MAZS130 47k 0 5 0 022 2 2 16V 0 47 4 7k 0 5 220p 470p 22k 0 5 10k 0 01 ISS367 470k 4 7k 220k 1k 47k 0 5 0 0 0022 0 022 22 7P 0 0022 TA2154FN EL XP4501 BUFF...

Page 19: ...10 0 001 0 001 2 2k 1 1 2 2k MA8051 MA8051 MA8051 MA8051 MA8051 0 25A 125V 0UH 0UH MA8051 0µH 0µH 0µH 0uH 7P 0UH 22k 22 4V 220 470 10k 22k 0 022 0 022 22k 10k 470 220k 220k 220 22k 22 4V 22k 22k 0 1 1k 1k 0 047 0 047 1k 1k 680P SL 47 2 5V 2 2 4 7 6 3V 1 0 1 470k 2 2 4V 0 22 0 22 0 022 0 1 0 022 0 047 1 2 2k UN9116 SWITCH XP1115 EQ SWITCH 2 2k 4 7k 2 2k 4 7k 220k 0 0047 22k 47k 22k 0 1 330 2V 22 2 ...

Page 20: ... 0 5 1k 0 5 2 2k 0 5 1k 0 5 4 7k 0 5 470 0 5 47k 0 5 10k 0 5 47k 0 47 10k 22k 22 4V 100k 1M 10k 10k XC62RP1602MR BATT LEVEL DETECT 100k 0 5 100k 0 5 S 80808CNNB B9MT2G RESET 1 220k 0 022 470k 22k 0 5 47k 0 5 220k 220k 220k 0 0022 0 0022 0 0022 0 1 0 1 0 047 0 1 0 1 10 6 3V 10p 10p 75kHz 470k 0 047 1M AVLS AMS IN RV CTL BEEP MB GRV MUTE CTL AMP CTL BST CTL PRE CTL ATS DATA CUE REVIEW SPEED CTL2 SPE...

Page 21: ...29 28 27 26 25 24 22 21 20 19 18 17 16 15 14 13 23 12 11 10 9 8 7 6 5 3 2 1 4 48 47 46 45 44 43 42 41 40 39 38 37 AGC DET AGC IN BST NF BST OUT IN C LPF EQ R NF R IN R IN L PW NF L EQ L RF IN PW GND OUT L OUT C OUT R VCC BASE RF OUT GND AMS AMS AMS VREF IN PRE GND M N SW PRE SW F R SW BST SW PW SW MT SW AMS OUT BEEP MT TC CAMP SW AMS IN NF OUT MTL MTL OUT NF IN IN REF OUT IN IN ...

Page 22: ...R SOFT SW COMMUNICATION STARTING LOGIC POWER SUPPLY BIAS REF VOLTAGE OSC CIRCUIT CURRENT DETECTION STARTING DETECTION 1 V OUT U OUT START PGND GND VCCI OSC V REF VSP IN OUT RI 2 3 4 5 6 7 8 9 10 11 12 24 W OUT NC NC PGND COM FC DR PV PU PW TC2 TC1 23 22 21 20 19 18 17 16 15 14 13 ...

Page 23: ...E2P CS O EEPROM chip select signal output 38 E2P DATA I O EEPROM data input output 39 E2P CLK O EEPROM clock output 40 PRE CTL O Not used 41 TEST I Not used OPEN 42 HOLD I Hold switch input 43 E2P WRITE IN I Not used Pull down 44 PHOTO IN I Capstan reel rotation detect signal input 45 IF IN I Tuner IF frequency input 46 AMS IN I Auto music sensor signal input from TA2123AF 47 GND Ground 48 NC Not ...

Page 24: ...o TA2123AF 66 MIC RADIO O Tuner mode select signal output 67 MD SW FWD I MD FWD position signal input 68 MD SW STOP I MD STOP position signal input 69 MD SW REV I MD REV position signal input 70 RESET I Reset signal input 71 X OUT O System clock output 75kHz 72 X IN I System clock input 75kHz 73 GND Ground terminal 74 VDB Capacitor conection terminal 75 C1 Capacitor conection terminal 76 C2 Capaci...

Page 25: ...ALLIC CHAMPAGNE SILVER 15 X 3384 064 1 LID ASSY L CASSETTE FX700 FX890 US CH KR JE LIGHT BLUE METALLIC BLUE 15 X 3384 066 1 LID ASSY L CASSETTE FX890 E LIGHT BLUE METALLIC BLUE 16 3 234 449 17 SCREW M1 4 BLACK BLUE 16 3 234 449 19 SCREW M1 4 SILVER SILVER 17 X 3377 719 1 BRACKET CASSETTE ASSY M 18 3 365 630 41 SCREW M1 4 19 3 029 220 11 SPRING TENSION 20 3 029 219 61 KNOB OPEN FX900 20 3 254 488 0...

Page 26: ...EL R ASSY 66 3 007 428 01 WASHER R 67 3 029 765 01 SCREW M1 4 TOOTHED LOCK 68 3 029 883 01 RETAINER F1 MOTOR 63 PM901 HP901 M901 60 59 62 61 66 65 67 68 69 56 70 55 58 57 82 54 51 53 52 64 71 71 72 72 73 74 75 76 77 77 78 79 79 80 81 69 3 007 433 01 SHEET N REFLECTION 70 X 3377 584 5 CHASSIS ASSY FA 71 3 010 274 02 TABLE REEL 72 3 010 954 01 SPRING BT COMPRESSION 73 3 029 282 01 GEAR Y 74 3 029 28...

Page 27: ...MIC CHIP 0 022uF 10 16V C24 1 107 819 11 CERAMIC CHIP 0 022uF 10 16V C28 1 164 874 11 CERAMIC CHIP 100PF 5 50V C29 1 164 850 11 CERAMIC CHIP 10PF 0 50PF 50V C30 1 164 315 11 CERAMIC CHIP 470PF 5 50V C31 1 107 819 11 CERAMIC CHIP 0 022uF 10 16V C33 1 164 843 11 CERAMIC CHIP 3PF 0 25PF 50V C34 1 164 939 11 CERAMIC CHIP 0 0022uF 10 50V C35 1 164 939 11 CERAMIC CHIP 0 0022uF 10 50V C36 1 164 874 11 CE...

Page 28: ... 50V CB301 1 117 968 41 CAP CHIP CERAMIC 680PF SL FILTER CF1 1 767 362 11 FILTER CERAMIC CF2 1 767 480 11 FILTER CERAMIC AM TRIMMER CT1 1 141 327 11 CAP CHIP TYPE TRIMMER 10PF AM TRACKING DIODE D1 8 759 072 60 DIODE SVC347T TL D3 8 719 080 77 DIODE MA2S357 E TX SO D4 8 719 080 77 DIODE MA2S357 E TX SO D5 1 216 864 11 METAL CHIP 0 5 1 10W EA CH D5 6 500 174 01 DIODE MA2SP0100LSO US E HK KR JE D101 ...

Page 29: ...6 1 218 957 11 RES CHIP 2 2K 5 1 16W R107 1 208 635 11 RES CHIP 10 5 1 16W R108 1 218 969 11 RES CHIP 22K 5 1 16W R109 1 218 945 11 RES CHIP 220 5 1 16W R110 1 218 969 11 RES CHIP 22K 5 1 16W R111 1 218 953 11 RES CHIP 1K 5 1 16W R112 1 218 981 11 RES CHIP 220K 5 1 16W R113 1 218 990 11 SHORT CHIP 0 R114 1 218 965 11 RES CHIP 10K 5 1 16W R115 1 218 945 11 RES CHIP 220 5 1 16W R116 1 218 961 11 RES...

Page 30: ... 1 16W R744 1 208 935 11 METAL CHIP 100K 0 5 1 16W R745 1 208 675 11 METAL CHIP 470 0 5 1 16W R746 1 208 691 11 METAL CHIP 2 2K 0 5 1 16W R747 1 208 707 11 METAL CHIP 10K 0 5 1 16W R748 1 208 691 11 METAL CHIP 2 2K 0 5 1 16W R749 1 208 699 11 METAL CHIP 4 7K 0 5 1 16W R786 1 218 953 11 RES CHIP 1K 5 1 16W R800 1 208 707 11 METAL CHIP 10K 0 5 1 16W R901 1 208 935 11 METAL CHIP 100K 0 5 1 16W R902 1...

Page 31: ...STRUCTION ENGLISH SIMPLIFIED CHINESE FX900 CH 3 259 101 31 MANUAL INSTRUCTION ENGLISH KOREAN FX900 KR 3 259 103 11 MANUAL INSTRUCTION ENGLISH TRADITIONAL CHINESE FX700 HK 3 259 103 21 MANUAL INSTRUCTION ENGLISH ARABIC FX700 EA 3 259 103 31 MANUAL INSTRUCTION ENGLISH SIMPLIFIED CHINESE FX700 CH 3 259 103 41 MANUAL INSTRUCTION ENGLISH KOREAN FX700 KR 3 259 103 51 MANUAL INSTRUCTION ENGLISH TRADITION...

Page 32: ... at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2003 09 New 1 1 2004 01 Addition of US and Tourist model for WM FX890 ENG 03061 1 2 2005 09 Change of Part No of Ref No 21 Addition of color indication SPM 05142 WM FX700 FX890 FX900 ...

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