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WM-FX141

US Model

AEP Model

E Model

SERVICE MANUAL

RADIO CASSETTE PLAYER

MICROFILM

Model Name Using Similar Mechanism

WM-FX101

Tape Transport Mechanism Type

MF-WMFX103-48

SPECIFICATIONS

Radio Frequency

FM : 87.6 – 108 MHz (US, Chilean, Latin America, Central and

South America Models)

: 65.0 – 107.9MHz (East European Model)
: 87.6 – 107.9 MHz (Other Models)

AM : 530 – 1,710 kHz (US, Chilean, Latin America, Central and

South America Models)

: 531 – 1,602kHz (Other Models)

Power requirements

3V DC batteries R6 (size AA) 

×

 2

External DC 3V power sources

Battery life

(Aprroximate hours)

Battery

Playback

Radio

Sony alkaline LR6 (SG)

16 hrs

48 hrs

Sony R6P (SR)

4.5 hrs

16 hrs

Dimensions

93.9 

×

 118.5 

×

 35.9 mm (w/h/d)

(3

3

/

4

 

×

 4

3

/

4

 

×

 1

3

/

16

 in.) incl. projecting parts

Mass

205g (7.3 oz) incl.batteries

Supplied accessories

 Stereo headphones or earphones (1)

 Belt clip (1)

Design and specifications are subject to change without notice.

Ver 1.3  1999. 05

With SUPPLEMENT-1 (9-923-296-81)
With SUPPLEMENT-2 (9-923-296-82)

Содержание WM-FX141

Страница 1: ...merica Central and South America Models 531 1 602kHz Other Models Power requirements 3V DC batteries R6 size AA 2 External DC 3V power sources Battery life Aprroximate hours Battery Playback Radio Sony alkaline LR6 SG 16 hrs 48 hrs Sony R6P SR 4 5 hrs 16 hrs Dimensions 93 9 118 5 35 9 mm w h d 33 4 43 4 13 16 in incl projecting parts Mass 205g 7 3 oz incl batteries Supplied accessories Stereo head...

Страница 2: ... 17 5 EXPLODED VIEWS 5 1 Cabinet and Board Section 18 5 2 Mechanism Section MF WMFX103 48 19 6 ELECTRICAL PARTS LIST 20 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 270 C during repairing Do not touch the soldering...

Страница 3: ... 3 SECTION 1 GENERAL This section is extracted from instruction manual ...

Страница 4: ...lexible board to ditch before install the mechanism deck and MAIN board Note Follow the disassembly procedure in the numerical order given Note Disassemble the unit in the order as shown below Cabinet Rear Mechanism deck and main board Main board Cassette lid Dial pointer setting Cassette lid Cabinet rear 1 Open the cassette lid and release claw A 2 Remove the cabinet rear Release all claws B from...

Страница 5: ...sette lid Remove it in the direction of the arrow 1 Release the catch A 2 Release the catch B B 2 Align pointer with arrow marked side as shown in Fig 1 and then fit to groove in the order of A and B Align Pointer Fig 1 Pointer 1 Rotate tune knob fully to arrow direction A B 2 5 DIAL POINTER SETTING ...

Страница 6: ...witch NORM VOLUME control maximum AVLS switch OFF Mode Torque meter Meter reading FWD FWD Back Tension FF REW CQ 102C CQ 201B 20 to 42 g cm 0 28 to 0 58 oz inch less than 2 g cm less than 0 03 oz inch more than 60 g cm more than 0 83 oz inch TAPE SECTION FUNCTION switch TAPE Test tape Type Signal Used for WS 48A 3kHz 0dB Tape Speed Adjustment Tape speed adjustment Tape selection adjustment NORM Pr...

Страница 7: ...M FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter L4 505kHz 516 5kHz CT4 1 750kHz 1 631 5kHz AM IF ADJUSTMENT Adjust for a maximum reading on level meter T1 455kHz FM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter L2 86 0MHz 64MHz CT2 109 5MHz FM FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter L3 86 0MHz 64MHz CT3 109 5MHz E Mexi...

Страница 8: ...CT2 FM Tracking Adjustment L2 FM Tracking Adjustment L1 AM Tracking Adjustment L3 FM Frequency coverage Adjustment CT3 FM Frequency coverage Adjustment L4 AM Frequency coverage Adjustment CT4 AM Frequency coverage Adjustment T1 AM IF Adjustment antenna terminal ...

Страница 9: ...OTOR DRIVE IC1 FM AM RF AF AMP E MX EE AEP MODEL J302 J301 Signal path Abbreviation EE East European model MX Mexican model DC IN 3V Q301 PHONES SWITCH S305 AVLS S302 POWER S303 2 2 LPF CP1 DX LOCAL 16 13 23 22 20 8 19 17 RV601 TAPE SPEED S303 1 2 TAPE SEL CrO2 METAL NORM S304 FUNCTION FM AM TAPE X1 VCO AM IF IN FM IF IN VCC2 16 LP2 19kHz 10 7MHz 7 L2 FM TRACKING CT2 CV2 X2 QUAD DET OUT MPX IN L3 ...

Страница 10: ...tion tolerances Waveforms are taken with a oscilloscope Signal path F FM f AM E PB Abbreviation EE East European model 5E Chilean model 6E Latin America model 8E Central and South America model MX Mexican model L5 THP602 2k 1000PPM C1 JR5 JR1 C5 R1 L1 L3 L4 C4 C3 L2 C2 C18 C19 R602 R601 R603 R201 R202 R102 R101 US 5E 6E 8E E MX AEP C1 1PF 1PF 3PF EE C4 6PF 6PF 9PF C5 33PF 33PF 0 0022uF 100v C18 C1...

Страница 11: ...tor side Through hole b Pattern from the side which enables seeing Abbreviation EE East European model 5E Chilean model 6E Latin America model 8E Central and South America model MX Mexican model 1 2 A B C D E F G 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Semiconductor Location Ref No Location IC1 E 9 IC301 D 6 Q301 E 5 ...

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Страница 16: ... 1 216 689 11 METAL CHIP 39K 0 5 1 10W E MX R301 1 216 089 91 RES CHIP 47K 5 1 10W R302 1 216 073 00 METAL CHIP 10K 5 1 10W R303 1 216 109 00 METAL CHIP 330K 5 1 10W R304 1 216 308 00 METAL CHIP 4 7 5 1 10W R601 1 216 306 11 METAL CHIP 3 9 5 1 10W US 5E 6E 8E R601 1 217 905 11 RES CHIP 1 5 5 1 10W EE E MX AEP R602 1 216 309 00 METAL CHIP 5 6 5 1 10W US 5E 6E 8E R602 1 217 905 11 METAL CHIP 1 5 5 1...

Страница 17: ... 22 WM FX141 Sony Corporation Personal Audio Company 99D1644 1 Printed in Japan 1999 4 Published by General Engineering Dept 9 923 296 12 ...

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