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SERVICE MANUAL

M-430

MICROCASSETTE

TM

-CORDER

Tape

y

 (normal position type)

Recording system

2-track 1-channel monaural

Speaker

Approx. 3.6 cm (1 

7/16

 in.) dia.

Tape speed

2.4 cm/s (

15/16

 ips), 1.2 cm/s (

15/32

 ips)

Frequency range

250 - 4,000 Hz (with TAPE SPEED switch at 2.4 cm/s)

Output

Earphone jack (minijack) for 8 - 300 ohms earphone

Power output (at 10% harmonic distortion)

160 mW

Power requirements

3 V DC batteries size AA (R6) 

×

 2/External DC 3 V power sources

Dimensions (w/h/d)

Approx. 62.2 

×

 121.5 

×

 24.3 mm (2

 

1/2

 

×

 4

 

7/8 

×

 

31/32

 

in.) incl. projecting

parts and controls

Mass

Approx. 125 g (4.5

 oz.

)

SPECIFICATIONS

Ver 1.0  1999. 02

Supplied accessory

Microcassette tape MC-30 (1)

Design and specifications are subject to change without notice.

MICROFILM

US Model

AEP Model

E Model

Model Name Using Similar Mechanism

NEW

Tape Transport Mechanism Type

MZ-430-99

Summary of Contents for M-430 - Microcassette Recorder

Page 1: ... earphone Power output at 10 harmonic distortion 160 mW Power requirements 3 V DC batteries size AA R6 2 External DC 3 V power sources Dimensions w h d Approx 62 2 121 5 24 3 mm 2 1 2 4 7 8 31 32 in incl projecting parts and controls Mass Approx 125 g 4 5 oz SPECIFICATIONS Ver 1 0 1999 02 Supplied accessory Microcassette tape MC 30 1 Design and specifications are subject to change without notice M...

Page 2: ... Replacement Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor may be dam aged by heat 1 GENERAL 3 2 DISASSEMBLY 2 1 Lid Assy Cassette 4 2 2 Lid Battery Case 5 2 3 Cabinet Rear Assy 5 2 4 Main Board 6 2 5 Mechanism Deck 6 2 6 Head Ceramic 7 3 MECHANICAL ADJUSTMENTS 8 4 ELECTRICAL ADJUSTMENTS 8 5 DIAGRAMS 5 1 Block Diagram 10 5 2 Printed Wiring Board 11 5 ...

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

Page 4: ...y cassette halfway 1 3 4 precision screwdriver or equivalent cabinet front lid assy cassette top view precision screwdriver or equivalent 9 lid assy cassette 5 8 6 7 Set Lid assy cassette Cabinet rear assy Main board Mechanism deck Head ceramic Lid battery case Note When removing the cassette lid put cloth on the end of a screwdriver or use a polyacetal driver to avoid damage to the cabinet ...

Page 5: ...ET REAR ASSY Note When installing fit the knobs and switches 2 2 LID BATTERY CASE 3 claws 5 lid battery case 2 1 2 1 screw 1 7x16 3 screw B1 7x5 tapping 2 screw 1 7x16 5 claw 4 claws switch knob 6 cabinet rear assy ...

Page 6: ...4x3 0 locking 8 M1 4x3 0 locking 6 mic assy 9 MAIN board 1 Unsolder the 2 places 2 Unsolder the 2 places 3 Unsolder the 4 places 4 Unsolder the 2 places 5 Unsolder the 2 places 4 button STOP 2 button REC 1 3 button PLAY mechanism deck MZ 430 99 ...

Page 7: ... 7 2 6 HEAD CERAMIC 1 claw 3 M1 4 special head 4 M1 4 special head 2 arm pinch roller assy 5 head ceramic ...

Page 8: ...t Mode Torque Meter Meter Reading 5 13 g cm Forward CQ 103M 0 07 0 180 oz inch more than 30 g cm Fast Forward CQ 201M more than 0 42 oz inch more than 30 g cm Rewind CQ 201M more than 0 42 oz inch Tape Tension Measurement Mode Tension Meter Meter Reading more than 20 g Forward CQ 403M more than 0 28 oz SECTION 3 MECHANICAL ADJUSTMENTS Record Playback Erase Head Azimuth Adjustment Setting VOL contr...

Page 9: ...L RV602 1 2 cm RV601 2 4 cm MOTOR SERVO IC601 M _ M901 MOTOR S601 PAUSE OFF ON S102 POWER REC PB Signal Path 04 1 2 Tape Speed Adjustment Setting VOL control mechanical mid Procedure Reform 2 4 cm s speed adjustment before 1 2 cm s speed adjustment mode playback Frequency difference between the beginning and the end of the tape should be within 0 5 2 4 cm s 15 Hz 1 2 cm s 15 Hz Adjustment Location...

Page 10: ...arts extracted from the component side b Pattern from the side which enables seeing 1 A B C D E F G H 2 3 4 5 6 7 8 9 10 11 12 13 HRPE901 REC PB ERASE HEAD REC PB ERASE HD HD HE HE D102 G 3 IC101 D 6 IC601 E 9 Semiconductor Location Ref No Location ...

Page 11: ... designation U B Line H adjustment for repair Power voltage is dc 3 V and fed with regulated dc power supply from battery terminal Voltage is dc with respect to ground under no signal condition no mark PB REC Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Signal path E PB a REC M 430 IC Block Diagram IC601 LA5521MTP 2 1 2 3 4...

Page 12: ...1 LID BATTERY CASE BLACK US AEP EE E 1E MX 17 3 031 371 11 LID BATTERY CASE SILVER AEP E 1E 18 3 037 004 01 PLATE SHIELD 19 X 3377 316 1 CABINET REAR ASSY BLACK US AEP EE E 1E MX 19 X 3377 317 1 CABINET REAR ASSY SILVER AEP E 1E 20 3 035 255 01 SCREW 1 7X16 BLACK US AEP EE E 1E MX 20 3 035 255 11 SCREW 1 7X16 SILVER AEP E 1E 21 3 358 363 41 PLATE BLIND BLACK US AEP EE E 1E MX 21 3 358 363 61 PLATE...

Page 13: ...21 ELECT 47uF 20 4V C120 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V C122 1 163 038 00 CERAMIC CHIP 0 1uF 25V C123 1 104 402 11 ELECT 220uF 20 4V C124 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V C127 1 163 038 00 CERAMIC CHIP 0 1uF 25V C129 1 163 038 00 CERAMIC CHIP 0 1uF 25V C601 1 126 153 11 ELECT 22uF 20 6 3V C602 1 109 982 11 CERAMIC CHIP 1uF 10 10V C603 1 126 153 11 ELECT 22uF 20 6 3V JACK CN101 1 ...

Page 14: ...1 SWITCH PUSH 1 KEY POWER S601 1 572 922 11 SWITCH SLIDE PAUSE S602 1 692 298 11 SWITCH SLIDE TAPE SPEED THERMISTOR POSITIVE THP601 1 810 552 11 THERMISTOR POSITIVE THP602 1 810 794 11 THERMISTOR POSITIVE MISCELLANEOUS HRPE9011 500 593 11 HEAD CERAMIC REC PB ERASE M901 1 698 533 11 MOTOR DC CAPSTAN REEL including PULLY MIC901 1 542 386 11 MICROPHONE ELECTRET CONDENSER MIC SP901 1 505 384 11 SPEAKE...

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