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WM-FS111 SERVICE MANUAL US Model Canadian Model Ver 1.0 1999. 03 AEP Model E Model Model Name Using Similar Mechanism Tape Transport Mechanism Type MF-WMFS111-114 SPECIFICATIONS Radio Frequency FM : 87.6 – 108 MHz (North, Central and South America) 87.5 – 108 MHz (Italy and Saudi Arabia) 65 –...
SECTION 1 GENERAL TABLE OF CONTENTS 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 Assembly and Dial Scale ·················· 4 3-2.
NOTE : In case the parts in 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 Tapping screw (B)(1.4x6) Gear (A) Gear (VOL) Tapping screw (B)(1.4x6)
SECTION 3 DISASSEMBLY Note : Disassemble the unit in the order as shown below. Holder cassette sub assembly and dial scale Mechanism deck Magnetic head Main assembly Main board Belt Note : Follow the disassembly procedure in the numerical order given. 3-1.
3-2. MAIN ASSEMBLY 2 Two screws (+B1.7 × 7) 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.
3-3. MAIN BOARD 3 Tooth screw ( M1.4) 1 Remove the solder (four points) 5 Main board 4 Two claws 2 Flexible board (head) 3-4. MECHANISM DECK 2 Remove the mechanism deck in the direction of arrow. 1 Two claws —...
SECTION 4 SECTION 5 MECHANICAL ADJUSTMENT ELECTRICAL ADJUSTMENT PRECAUTION 0dB=0.775V TAPE SECTION Clean the following parts with a denatured-alcohol-moistened swab: playback head pinch roller Test Tape rubber belts capstan Tape Signal Used for Demagnetize the playback head with a head demagnetizer. WS-48A 3 kHz, 0 dB Tape speed adjustment...
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• Repeat the procedures in each adjustment several times for the 0 dB = 1 µV TUNER SECTION maximum level meter indication. • Switch Location • The frequency coverage and tracking adjustments should be finally done by the trimmer capacitors. VOLUME : MAX MEGA BASS : OFF...
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[MAIN BOARD] — Component side — FM Frequency Coverage Adjustment FM Tracking Adjustment AM Tracking Adjustment AM IF AM Frequency Adjustment Coverage Adjustment — Conductor side — TP18 FM IN — 10 —...
WM-FS111 6-2. PRINTED WIRING BOARD Note on Printed Wiring Board: • Semiconductor Location • X : parts extracted from the component side. Ref. No. Location Ref. No. Location Ref. No. Location • Y : parts extracted from the conductor side.
WM-FS111 6-3. SCHEMATIC DIAGRAM Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics • Voltages are taken with a VOM (Input impedance 10 MΩ).
WM-FS111 SECTION 7 EXPLODED VIEWS 6-4. IC BLOCK DIAGRAMS IC1 TA2111F-(EL) NOTE: • -XX, -X mean standardized parts, so they may • The mechanical parts with no reference number When indicating parts by reference number, have some differences from the original one.
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7-2. MAIN BOARD SECTION mechanism deck not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks X-3377-165-1 CHASSIS SUB ASSY (AEP,E) 3-032-146-01 BUTTON (STOP) X-3377-166-1 CHASSIS SUB ASSY (US,CND,MX) 3-921-955-01 SCREW (M1.4), TOOTH (WH) 3-934-020-31 LID,BATTERY CASE A-3021-212-A MAIN BOARD, COMPLETE (US,CND,MX) 3-936-792-01 SPRING, TORSION A-3021-214-A MAIN BOARD, COMPLETE (AEP,E)
7-4. MECHANISM DECK SECTION 1 (MF-WMFS111-114) HP301 M901 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-013-560-11 BELT X-3369-749-1 PINCH LEVER (N) ASSY 3-703-816-31 SCREW (M1.4), SPECIAL HEAD 3-920-996-01 SPRING (PINCH N) 3-019-776-01 GEAR (REEL-S) HP301 1-500-517-11 HEAD, MAGNETIC (PLAYBACK) 3-703-816-73 SCREW (M1.4), SPECIAL HEAD M901...
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7-5. MECHANISM DECK SECTION 2 (MF-WMFS111-114) Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-921-797-01 WASHER 3-019-778-01 SLEEVE (MS) 3-921-003-01 BEARING 3-921-335-01 WASHER, LEVER 3-938-628-01 SPRING (PLAY-CP) 3-920-990-01 SPRING (UD), COMPRESSION 3-019-773-01 GEAR (AS) 3-019-774-01 GEAR (BS) X-3374-598-1 CLUTCH ASSY (S) X-3369-747-1 WHEEL ASSY (SP), CAPSTAN 3-022-093-01 SPRING (FR-S)
SECTION 8 MAIN ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • CAPACITORS: • SEMICONDUCTORS parts list may be different from the parts uF: µF In each case, u: µ, for example: specified in the diagrams or the components •...
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MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C605 1-110-563-11 CERAMIC CHIP 0.068uF JC22 1-216-296-91 SHORT C606 1-124-434-00 ELECT 220uF JC23 1-216-296-91 SHORT C607 1-164-344-11 CERAMIC CHIP 0.068uF JC24 1-216-296-91 SHORT C608 1-165-176-11 CERAMIC CHIP 0.047uF JC25 1-216-296-91 SHORT...
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MAIN HEADPHONE Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R104 1-216-835-11 METAL CHIP 1/16W < SWITCH > R105 1-216-819-11 METAL CHIP 1/16W R107 1-216-864-11 METAL CHIP 1/16W S301 1-692-605-31 SWITCH, SLIDE (FUNCTION) R108 1-216-811-11 METAL CHIP 1/16W S302 1-771-092-21 SWITCH, PUSH (1 KEY) (0/(/))