索尼SONY WM-FS111电路图.pdf

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1、WM-FS111 US Model Canadian Model AEP Model E Model SERVICE MANUAL RADIO CASSETTE PLAYER MICROFILM SPECIFICATIONS Model Name Using Similar MechanismNEW Tape Transport Mechanism TypeMF-WMFS111-114 Radio FrequencyFM : 87.6 108 MHz (North, Central and South America) 87.5 108 MHz (Italy and Saudi Arabia)

2、 65 107.9 MHz (Eastern Europe) 87.6 107.9 MHz (Other countries) AM : 530 1,710 kHz (North, Central and South America) 526.5 1,606.5 kHz (Italy and Saudi Arabia) 531 1,602 kHz (Other countries) Power Requirements3 V DC Batteries R6 (AA) 2 Dimensions104.0 122.0 48.7 mm(4 1/8 4 7/8 1 15/16 inches) (w/h

3、/d) incl. projecting parts and controls MassApprox. 300 g (10.6 oz) Approx. 380 g (13.5 oz) incl. batteries and a cassette Supplied Accessories Stereo headphones or stereo earphones (1) Belt clip (1) Design and specifications are subject to change without notice. Ver 1.1 2000. 05 ? ? ? ? ? ? ? ? ? ?

4、 2 TABLE OF CONTENTS Notes on chip component replacement Never reuse a disconnected chip component. Notice that the minus side of a tantalum capacitor may be damaged by heat. Flexible Circuit Board Repairing Keep the temperature of soldering iron around 270C during repairing. Do not touch the solder

5、ing iron on the same conductor of the circuit board (within 3 times). Be careful not to apply force on the conductor when soldering or unsoldering. SECTION 1 GENERAL 1VOL (volume) knob 2BATT (battery) lamp 3TUNING knob 4FUNCTION selector 5AVLS selector 6MEGA BASS selector 7) REW button 8( PLAY butto

6、n 90 FF button 0p STOP button !TAPE/FM MODE switch (AEP, E Model) TAPE/FM SENS switch (US, CND, MX Model) !2 jack Abbreviation CND : Canadian model MX: Mexican model 1. GENERAL 2 2. SERVICE NOTE 2-1.How to Install The Wire Assembly 3 2-2.Water Proof Section 3 3. DISASSEMBLY 3-1.Holder Cassette Sub A

7、ssembly and Dial Scale 4 3-2.Main Assembly5 3-3.Main Board 6 3-4.Mechanism Deck 6 3-5.Belt 7 3-6.Magnetic head 7 4. MECHANICAL ADJUSTMENT 8 5. ELECTRICAL ADJUSTMENT8 6. DIAGRAMS 6-1.Block Diagram 11 6-2.Printed Wiring Board 13 6-3.Schematic Diagram 15 6-4.IC Block Diagrams 17 7. EXPLODED VIEWS18 8.

8、ELECTRICAL PARTS LIST 23 1 0 9 8 7 2 3 4 5 6 !? !? ? ? ? ? ? ? ? ? ? ? 3 SECTION 2 SERVICE NOTE 2-1. HOW TO INSTALL THE WIRE ASSEMBLY To install the wire assembly, route the wire assembly in the correct position referring to the illustration below. 2-2. WATER PROOF SECTION NOTE : In case the parts i

9、n the figure are removed for repair, treat them to protect from water drop following the instructions in the figure (spread grease, bond etc.) sony grease SGL-601 : 7-651-000-10 Wire assembly Knob (function) Knob (VOL) Knob (TUNE) Tapping screw (B)(1.4x6) Tapping screw (B)(1.4x6) Joint (AVLS) Gear (

10、VOL) Gear (B) Gear (A) O ring (DIA. 2.5xDIA. 4.5) (Apply Sony grease SGL-601) O ring (Apply Sony grease SGL-601) Apply Sony grease SGL-601 ? ? ? ? ? ? ? ? ? ? 4 SECTION 3 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. Note : Disassemble the unit in the order as sho

11、wn below. SetHolder cassette sub assembly and dial scale Main assemblyMain boardMechanism deckMagnetic head Belt 3-1. HOLDER CASSETTE SUB ASSEMBLY AND DIAL SCALE 1 Stop ring (E-1.2) 2 Tapping screw 3 Tapping screw 4 Holder cassette sub assembly 6 Cover (Cassette) 7 Dial scale 8 Wire assembly 5 Two t

12、apping screws (B1.7 4) ? ? ? ? ? ? ? ? ? ? 5 3-2. MAIN ASSEMBLY 3 Remve the main assembly in the direction of arrow. (Be careful not to focibly pull the wire that connects the main board and the headphone board.) 4 Remove the headphone borad in the direction of arrow. 1 Stop ring (E 1.2) 2 Two screw

13、s (+B1.7 7) CAUTION WHEN ASSEMBLING THE MAIN ASSEMBLY Assemble the main assembly in a way that each switch mates with the corresponding knob each other. Function switch (S301) Tuner (CV1) AVLS switch (S305) Mega Bass switch (S306) Volume (RV301) ? ? ? ? ? ? ? ? ? ? 6 3-3. MAIN BOARD 3-4. MECHANISM D

14、ECK 1 Remove the solder (four points) 3 Tooth screw ( M1.4) 4 Two claws 5 Main board 2 Flexible board (head) 1 Two claws 2 Remove the mechanism deck in the direction of arrow. ? ? ? ? ? ? ? ? ? ? 7 3-5. BELT 3-6. MAGNETIC HEAD Reel/Capstan motorCapstan wheel assy(SP) Belt threading Belt Belt 1 Two s

15、crews (M1.4) 2 Magnetic head (HP301) ? ? ? ? ? ? ? ? ? ? 8 SECTION 4 MECHANICAL ADJUSTMENT SECTION 5 ELECTRICAL ADJUSTMENT PRECAUTION 1.Clean the following parts with a denatured-alcohol-moistened swab: playback headpinch roller rubber beltscapstan 2.Demagnetize the playback head with a head demagne

16、tizer. 3.Do not use a magnetized screwdriver for the adjustments. 4.After the adjustments, apply suitable locking compound to the parts adjusted. Torque Measurement Mode FWD FWD Back Tension FF, REW Torque Meter CQ-102C CQ-102C CQ-201B Meter Reading 20 to 42 gcm (0.27 to 0.58 ozinch) More than 2.0gc

17、m (More than 0.027 ozinch) More than 50 gcm (More than 0.69 ozinch) TAPE SECTION Signal 3 kHz, 0 dB Used for Tape speed adjustment Tape WS-48A Test Tape Tape Speed Adjustment Procedure: Mode: Playback Adjustment Value: normal tape speed Adjust the tape speed adjustment RV601, so that the freqency co

18、unter reading becomes 2,985Hz. Specification Value: Frequency difference between the beginning and the end of the tape should be within 1.5% (45Hz). Adjustment Location: Test tape WS-48A (3kHz, 0dB) Set J301 (phones) 16 digital frequency counter + Digital frequency counter 2,970 to 3,000Hz 0dB=0.775

19、V RV601 ? ? ? ? ? ? ? ? ? ? 9 Switch Location VOLUME: MAX MEGA BASS : OFF AVLS: NORMAL AM BAND: AM Signal generator FM BAND : FM Signal generator AM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter. L1620kHz CT11,400kHz TUNER SECTION Put the lead-wire antenna close to the set. 30% amp

20、litude modulation by 400Hz signal. Output level : as low as possible AM RF signal generator 0.01F FM RF signal generator FM IN point 75kHz(100%) amplitude modulation by 1kHz signal. Output level: as low as possible 16 set level meter J301 (phones) Repeat the procedures in each adjustment several tim

21、es for the maximum level meter indication. The frequency coverage and tracking adjustments should be finally done by the trimmer capacitors. AM FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter. L4520kHz CT41,750kHz1,680kHz AM IF ADJUSTMENT Adjust for a maximum reading on lev

22、el meter. T1455kHz FM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter. L286.5MHz CT2109.5MHz FM FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter. L386.5MHz CT3109.5MHz Adjustment Location: Main board (See page 10) 0 dB = 1 V : AEP, E Model ? ? ? ? ? ? ? ? ? ?

23、 10 MAIN BOARD Component side Conductor side CV1 CT1 L1 AM Tracking Adjustment AM IF Adjustment L2 L3 L4 CT2 CT3 CT4 T1 FM Tracking Adjustment FM Frequency Coverage Adjustment AM Frequency Coverage Adjustment TP18 FM IN ? ? ? ? ? ? ? ? ? ? WM-FS111 SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAM 11 12 8 AM IF

24、 IN FM IF IN 7 IC301 19 L R 2 1 23 1817 1216 T1 CF1 450kHz 10.7MHz 10.7MHz CF2 RV301 VOL M901 REEL/CAPSTAN MOTOR 16 5 15 11 14 L OUT 13R OUT AM OSC FM OSC FM RF OUT AM RF IN FM RF IN IC601 SERVO AMP IC1 FM/AM RF,IF AMP DET,MPX J301 4 5 6 1514 18 7 612 D301 BATT RV601 TAPE SPEED S304 RIPPLE FILTER SW

25、ITCH VCC2 15 LP1LP2 VREF VREF PRE OUT (L) PWR- IN L PWR- IN R PRE OUT (R) L2 FM TRACKING CT2 CV1(2/4) X2 DET OUT MPX IN L3 FM FREQUENCY COVERAGE CT3 CV1(3/4) 20 L4 AM FREQUENCY COVERAGE CT4 CV1(4/4) 24 L1 AM TRACKING CT1 CV1(1/4) FL1 22 VCC1 14 21 MEGA BASS MEGA BASS MEGA BASS S306 VREF 13PWR (L) PW

26、R (R) BPF DRY BATTERY SIZE AA (IEC DESIGNATION R6) 2PCS, 3V CV1,CTI-CT4 TUNING AM IF 4AM/FM MIX 6 OFFON AVLS : FM Signal path : PB S305 LIMITNORM LOCALDX MONOFM MODE TAPE SEL FM SENS ST FMAMTAPE(RADIO OFF) METALNORM S302 / 20 16 U U V V W W IN+ Vcc2 START 3 17 VREF L1 AM FERITE-ROD ANTENNA Q5,Q6 BAN

27、D SWITCH Q1 LOCAL/DX SWITCH US,CND,MX MODEL HP301 PLAYBACK HEAD PRE-POWER AMP Vcc Vcc Q201,Q202 Q101 Q102 VREF Q203 AVLS SWITCH Q103 AVLS SWITCH COM PRE-MUTE PRW-MUTE Q7,Q8 MONO/ST SWITCH AEP,E MODEL AEP,E MODEL US,CND,MX MODEL Vcc Vcc Q104 SWITCH SWITCH 34 Q204 SWITCH SW-OUT (R) SW-OUT (L) NFNF Q30

28、4 Q305 Q308 Q306,Q307 Q3,Q4 Q2 SWITCH MUTE Q301 S301 FUNCTION Abbreviation CND : Canadian model MX: Mexican model ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? WM-FS111 12 A B C D E F G H 34567891011121314 6-2. PRINTED WIRING BOARD Note on Printed Wiring Board: X : pa

29、rts extracted from the component side. Y : parts extracted from the conductor side. b : Pattern from the side which enables seeing. Abbreviation CND: Canadian model MX: Mexican model 13 14 Semiconductor Location Ref. No.LocationRef. No.Location D301B-1 IC1B-4 IC301D-6 IC601E-10 Q1C-3 Q2B-6 Q3B-6 Q4B

30、-6 Q5C-6 Ref. No.Location Q6C-6 Q7E-3 Q8B-5 Q101D-5 Q102D-5 Q103F-5 Q104D-6 Q201D-7 Q202D-8 Q203F-5 Q204D-7 Q301C-5 Q304B-8 Q305C-8 Q306C-9 Q307C-7 Q308B-8 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? WM-FS111 6-3. SCHEMATIC DIAGRAM Note on Schematic Diagram: All cap

31、acitors are in F unless otherwise noted. pF: F 50 WV or less are not indicated except for electrolytics and tantalums. All resistors are in and 1/4 W or less unless otherwise specified. C : panel designation. U : B+ Line. H : adjustment for repair. Power voltage is dc 3 V and fed with regulated dc p

32、ower supply from battery terminal. Voltages are dc with respect to ground under no-signal (detuned) conditions. no mark : PB () : FM : AM Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal produc- tion tolerances. Signal path. F: FM f: AM E: PB Abbrev

33、iation CND: Canadian model MX: Mexican model 15 16 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? WM-FS111 6-4. IC BLOCK DIAGRAMS 17 18 IC1 TA2111F-(EL) IC301 LA4571M-T1 IC601 LB1979V-TLM FM IN RF GND AGC GND2 TU-IND ST-IND QUAD 1 2 AM L/CUT AM/FM MIX 3 4 5 VCC2 AM IF

34、FM IF 6 7 8 9 10 11 12 LPF1 M/XST L-OUT R-OUT13 14 15 AM OSC FM OSC RF VCC FM RF AM IN 20 21 22 23 24 DET OUT AFC 18 19 LPF2 AM/XFM MPX IN 16 17 FM IF FM RF FM IF AM IF AF FM DET LEVEL DET ST/MO FM/AM TUNE LED FM MUTE ST LED AM DET FM OSC AM OSC FM MIX AM MIXAGC VCO DIVIDE DECODE 2019181716151413121

35、1 12345678910 CORRENT DETECT OUTPUT PRE DRIVER MIX WAVEFORM DETECT CURRENT/MOTIVE LOGIC SOFT SW REFERENCE VOLTAGE FOR SPEED CONTROL MOTIVE POWER DETECT POWER SUPPLY BIAS REFERENCE VOLTAGE OSCILLATOR CIRCUIT SPEED DETECT FC GND FC RI OUT VSP IN+ VREF S/S COM OSC WB VCC NC U OUT V OUT W OUT P-GND VB U

36、B GND 7-1. HOLDER CASSETTE ASSY SECTION 1 2 1 8 9 6 3 4 5 4 7 Ref. No.Part No.DescriptionRemarksRef. No.Part No.DescriptionRemarks 13-386-373-01SCREW, TAPPING 2X-3377-167-1CASSETTE SUB ASSY, HOLDER (YELLOW) 2X-3377-168-1CASSETTE SUB ASSY, HOLDER (BLACK) (CND) 2X-3377-169-1CASSETTE SUB ASSY, HOLDER (

37、BLUE) (CND) 3X-3369-989-1ARM ASSY 43-318-203-62SCREW(B1.7 4), TAPPING 53-032-167-01SCALE, DIAL (US,CND,MX) 53-032-167-11SCALE, DIAL (AEP,E) 67-624-101-04STOP RING 1.2 (E TYPE) 73-032-144-01COVER(CASSETTE) 83-318-203-82SCREW(B1.7 7), TAPPING * 91-672-324-11HEADPHONE BOARD NOTE: -XX, -X mean standardi

38、zed parts, so they may have some differences from the original one. Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. The mechanical parts with no reference number in the exploded views are not supplied. A

39、bbreviation CND : Canadian model MX: Mexican model SECTION 7 EXPLODED VIEWS When indicating parts by reference number, please include the board name. Color Indication of Appearance Parts Example: KNOB, BALANCE (WHITE)Cabinets Color 12 345678910 13141520111218191617 GND Vref Power mute Ripple Filter

40、Pre mute Vcc GND ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 19 7-2. MAIN BOARD SECTION 51 57 58 59 60 61 55 62 63 64 6566 52 53 54 56 not supplied mechanism deck BT1 BT2 Ref. No.Part No.DescriptionRemarksRef. No.Part No.DescriptionRemarks 51X-3377-165-1CHASSIS SUB

41、ASSY (AEP,E) 51X-3377-166-1CHASSIS SUB ASSY (US,CND,MX) 523-934-020-31LID,BATTERY CASE 533-936-792-01SPRING, TORSION 543-032-153-01SHEET, BATTERY 553-831-441-99SPACER, KNOB 563-934-005-01KNOB(DX-LOCAL) 573-032-148-01BUTTON (REW) 583-032-145-01BUTTON (PLAY) 593-032-147-01BUTTON (FF) 603-032-146-01BUT

42、TON (STOP) 613-921-955-01SCREW (M1.4), TOOTH (WH) 62A-3021-212-A MAIN BOARD, COMPLETE (US,CND,MX) 62A-3021-214-A MAIN BOARD, COMPLETE (AEP,E) 633-934-023-01JOINT (VOL) 643-934-003-01JOINT (TUNE) 657-627-850-57SCREW,PRECISION +P 1.4 3.5 663-386-374-01SCREW(1.7) BT13-921-878-01TERMINAL BOARD, BATTERY BT23-032-149-01SPRING, BATTERY COIL ? ? ? ? ? ? ? ? ? ? 20 7-3. CABINET (REAR) ASSY SECTION 101 104 106 107 108 109 109 104 104 105 110 115 111 112 113 11