Sony Walkman WM-FX495 Service Manual Download Page 6 | Manualshive

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WM-FX495

3-3. MECHANISM DECK

3

Mechanism deck

Cabinet (center) ASSY

1

Claws

2

3-2. MAIN BOARD

Cabinet (center) ASSY

1

Unsolder HEAD flexible board

5

Claws

4

Screw (1.7

×

2.5), tapping

2

Unsolder leads from motor (four places)

3

Unsolder L4 leads (three places)

7

MAIN board

6

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Summary of Contents for Walkman WM-FX495

Page 1: ...31 4 x 41 2 x13 16 in excl projecting parts and controls Mass Approx 137 g 4 9 oz main unit only Supplied accessories Stereo headphones or earphones with remote control 1 Carrying case or Carrying pouch or Hand strap 1 Design and specifications are subject to change without notice Battery life approximate hours Sony alkaline Sony R6P LR6 SG SR Tape playback 35 9 Radio reception 40 14 Measured valu...

Page 2: ...2 14 5 5 IC Block Diagrams 15 6 EXPLODED VIEWS 6 1 Cabinet Section 17 6 2 Mechanism Deck Section MF WMFX495 147 18 7 ELECTRICAL PARTS LIST 19 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 soldering ...

Page 3: ... center position If not set the preset state as fol low 2 Move the MD CONT switch S601 to the side which the slider NRA is facing 3 The slider NRA will move when the regulated power supply switch is set to OFF once and then set to ON Move the MD CONT switch S601 according to this timing and set to the center position 3 FF REW modes 1 Check that the preset state is set 2 Input the square wave or si...

Page 4: ... manual LOCATING THE CONTROLS Tape mode MENU OPEN SET Plug in firmly VOL Y DIRECTION x RADIO OFF REW PRESET TUNING HOLD There is a tactiledotbeside VOL on the mainunitto showthe directionto turnup the volume The button has a tactile dot i FF PRESET TUNING FM AM Radio mode ...

Page 5: ...der given 3 1 CABINET FRONT SUB ASSY z The equipment can be removed using the following procedure MAIN board Cassette holder sub ASSY Mechanism deck Set Cabinet front sub ASSY 8 Cabinet front sub ASSY 6 Claws 5 Claws 7 1 2 Screw B 1 7 9 tapping 4 Claws 3 Screw B 1 7 9 tapping Cabinet center ...

Page 6: ...3 Mechanism deck Cabinet center ASSY 1 Claws 2 3 2 MAIN BOARD Cabinet center ASSY 1 Unsolder HEAD flexible board 5 Claws 4 Screw 1 7 2 5 tapping 2 Unsolder leads from motor four places 3 Unsolder L4 leads three places 7 MAIN board 6 ...

Page 7: ...er Use caution when installing the cassette holder assy Install the cassette holder sub ASSY with the spring lid up as shown below in the drawing so that it fits into the holes on the cabinet center Once installed fit the left and right pieces on Press on the left right clips from the rear of the cabinet center and remove the boss 2 1 ...

Page 8: ...adjustment should be performed with the rated power supply voltage 1 5 V unless otherwise noted Torque Measurement Mode Torque meter Meter reading FWD 1 97 4 11 mN m 20 42 g cm 0 28 0 58 oz inch FWD CQ 102C less than 0 19 mN m less than 2 g cm back tension less than 0 027 oz inch 1 97 4 11 mN m REV 20 42 g cm 0 28 0 58 oz inch REV CQ 102RC less than 0 19 mN m less than 2 g cm back tension less tha...

Page 9: ...tment Location Main board 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 Frequency Coverage Adjustment Set...

Page 10: ...10 WM FX495 Adjustment Location IC1 MAIN BOARD SIDE B CT1 AM Tracking Adjustment L4 AM Tracking Adjustment MAIN BOARD SIDE A L5 AM Frequency Coverage Adjustment L7 FM Tracking Adjustment ...

Page 11: ...EF Q301 INV PRE OUTA PRE OUTB RV301 VOL R CH PW IN A PW IN C BST OUT BST SW PW NFA PW NFB OUTA OUTC PW MUTE PRE MUTE R CH MUTE CTL E2P_CS E2P_CLK E2P_DATA PRE CTRL 70 RESET F R_CTRL MOTOR_START MOTOR_SPEED MOTOR_BREAK MOTOR_DIR TAPE DET 59 REMOTE BATT DET DDC_CTRL AMP_CTRL IC701 2 2 SYSTEM CONTROL IC201 1 6V REG IC801 2 5V SWITCHING REG IC501 EEPROM IC704 RESET CF1 FM IF IC1 FM AM FRONT END IF DET...

Page 12: ...05 FB1 C301 C308 C203 R206 C330 R301 S708 C312 R204 R213 R405 R110 R310 C401 C305 R103 C207 Q202 C316 R209 R211 C325 R307 C322 R210 R109 C204 C101 C410 Q305 Q753 S715 C18 R205 R113 C324 C307 C206 C108 S709 BP1 C3 C42 C14 C15 C32 C7 C16 C9 IC1 C49 C4 S711 R2 L16 L6 C10 C30 C21 D1 C12 AEP JC2 C412 R410 R1 D3 R4 C13 C43 C27 C34 C5 C37 C2 L3 D4 C29 C24 C35 C47 C23 C8 R7 R6 C40 C28 C1 FB303 FB305 FB307...

Page 13: ...p C33 2p 2200p 100k 1k MA2SP0100S0 1k 100p 1k 2200 1000p 47 4V 470p 4 7 4V 0 1 0 47 1k 0 047 0 022 10k 10k 0 0 1 0 01 2 2k 0 01 100k MA2S357 2200p 2p 220p TA2154FN 10 6 3V 2 2 2 2 0 1 2 2 1 0 22 470k 0 1 0 22 0 22 0 22 22 4V 4 7 4 7 4 7 3 100k 100k 3 2 2k 4 7k 4 7k 0 047 47k 1k 1k 4 7 1 1000p 1000p XP1501 EQ SWITCH 0 022 1k 1k 0 022 100k 1 100 470k 1000p 1k 1k 1 1 10k TA2160FN PRE POWER AMP 22 4V ...

Page 14: ...p 10p 10k 10k 10k 10k 10k 10k 10k 10k 100k 0 5 2200p 10k 0 5 10k 100k 100k 100k 220k 1M 100k 0 5 1000p 1k 47k 0 5 100k 0 5 470k 0 5 1 1k AK93C41AV E2 EEPROM 1 1k 1k 2 2k 4 7k 0 1 0 01 220k 100 3 3K 22k 1 2SB970 2SB970 2SB970 470 470 470 1k 0 01 0 01 220k 220k 0 1 100 0 1 0 22 220 4V 100k 1k 2SB815B7 TB TSY SWITCH 10k 0 5 22k 0 5 22 0 022 0 01 22 6 3V TRANSFORMER DC DC CONVERTER 10p 1k MA111 1k 5p ...

Page 15: ...ote on Printed Wiring Board X parts extracted from the component side a Through hole 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 the Side B pattern face are indicated Parts face side Parts on the parts face side seen from the Side A parts face are indicated z Waveforms 1 IC701 ua VOLT DIV ...

Page 16: ...V PW W GND OSC DR VREF START VSP IN U PU GND VCC FC TC1 TC2 R1 OUT IC301 TA2160FN EL 12 13 14 19 15 8 9 10 PRE OUT B BST SW PW INA PW NFB PW INB PW MUTE PRE MUTE AGC DET PW GND PW NFA 1 4 2 3 5 6 PRE NFB PRE NFA PRE OUT A VREF PRE GND 7 RF REF BST SW AGC DET AGC 18 17 16 20 LPF VREF IN BSF NF IN B IN A RF IN BASE BST OUT PW INC AGC IN OUT A OUT C OUT B VCC RF OUT 30 29 27 28 23 24 25 26 22 21 11 P...

Page 17: ... 758 1 CABINET FRONT ASSY BLUE AEP 3 3 252 498 01 LID BATTERY SILVER 3 3 252 498 11 LID BATTERY BLUE AEP 4 3 022 857 01 SPRING OPEN 5 3 704 197 91 SCREW M1 4X1 8 LOCKING 6 3 252 507 01 LEVER OPEN 7 3 022 856 01 SPRING KNOB TENSION 8 3 349 825 11 SCREW 9 3 019 422 03 JOINT 10 3 252 499 01 KNOB OPEN SILVER 10 3 252 499 11 KNOB OPEN BLUE 11 3 252 500 01 KNOB HOLD SILVER 11 3 252 500 11 KNOB HOLD BLUE...

Page 18: ...ESSION 106 X 3375 024 4 CLUTCH ASSY F 107 3 021 951 02 GEAR CAM 108 3 348 953 21 WASHER 109 3 021 979 02 SPRING UDF COMPRESSION 110 3 021 949 01 GEAR BF 111 X 3375 022 7 CHASSIS ASSY F 112 3 021 974 04 SPRING HEAD BASE 113 3 238 876 04 SCREW M1 4 TOOTHED LOCK 114 X 3375 021 3 PINCH LEVER R F ASSY 115 3 704 197 71 SCREW M1 4x4 5 116 3 921 797 01 WASHER 117 3 338 647 31 WASHER 1 0 2 5 118 3 022 100 ...

Page 19: ... 50V C30 1 164 315 11 CERAMIC CHIP 470PF 5 50V C31 1 107 819 11 CERAMIC CHIP 0 022uF 10 16V C32 1 164 845 11 CERAMIC CHIP 5PF 0 25PF 50V US C33 1 164 842 11 CERAMIC CHIP 2PF 0 25PF 50V US C34 1 164 939 11 CERAMIC CHIP 0 0022uF 10 50V C35 1 164 939 11 CERAMIC CHIP 0 0022uF 10 50V C37 1 164 845 11 CERAMIC CHIP 5PF 0 25PF 50V C40 1 164 840 11 CERAMIC CHIP 1PF 0 25PF 50V US C40 1 164 842 11 CERAMIC CH...

Page 20: ...4 760 21 FERRITE 0uH FB303 1 414 760 21 FERRITE 0uH FB304 1 414 760 21 FERRITE 0uH FB305 1 414 760 21 FERRITE 0uH FB306 1 414 760 21 FERRITE 0uH FB307 1 414 760 21 FERRITE 0uH IC IC1 6 701 310 01 IC TA2154FN EL IC201 8 759 457 70 IC XC62RP1602MR IC301 6 701 831 01 IC TA2160FN EL IC601 8 759 356 46 IC MM1279XVBE IC701 6 802 987 01 IC TC9328AF 117 IC704 8 759 572 21 IC S 80808ANNP E7Y T2 IC801 8 759...

Page 21: ...TAL CHIP 1K 5 1 10W R333 1 218 941 81 RES CHIP 100 5 1 16W R334 1 216 841 11 METAL CHIP 47K 5 1 10W R401 1 218 933 11 RES CHIP 22 5 1 16W R402 1 208 707 11 METAL CHIP 10K 0 5 1 16W R403 1 218 953 11 RES CHIP 1K 5 1 16W R404 1 216 821 11 METAL CHIP 1K 5 1 10W R405 1 208 715 11 METAL CHIP 22K 0 5 1 16W R408 1 218 953 11 RES CHIP 1K 5 1 16W R409 1 216 845 11 METAL CHIP 100K 5 1 10W R410 1 218 887 11 ...

Page 22: ... SWITCH TACTILE SMD SET S710 1 771 851 21 SWITCH TACTILE SMD REW S711 1 771 851 21 SWITCH TACTILE SMD 5 S712 1 771 851 21 SWITCH TACTILE SMD 1 S713 1 771 851 21 SWITCH TACTILE SMD AM S714 1 771 851 21 SWITCH TACTILE SMD Y DIRECTION S715 1 771 851 21 SWITCH TACTILE SMD FM TRANSFORMER T401 1 437 599 21 TRANSFORMER DC DC CONVERTER THERMISTOR TH601 1 810 794 11 THERMISTOR POSITIVE VIBRATOR X1 1 795 41...

Page 23: ...23 WM FX495 MEMO ...

Page 24: ...rsion 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 02 New 1 1 2003 10 Changes into the model for repair RPC 03001 1 2 2005 12 Change of supply classification of Ref No 1 rubber and addition of Ref No 1 lever open ASSY SPM 05201 ...

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