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Sony TCM-343, Service Manual

The Sony TCM-343 is a compact and reliable portable cassette recorder, perfect for quick and easy audio recordings. Ensure optimal performance by accessing the Service Manual, available for free download at manualshive.com. This comprehensive manual provides step-by-step instructions, allowing you to effortlessly troubleshoot, maintain, and maximize the lifespan of your device.

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TCM-343

5-4. PRINTED WIRING BOARD

Ref. No.

Location

D401

F-11

IC101

D-8

IC601

C-5

Q101

E-8

• Semiconductor

Location

— 11 —

— 12 —

16

1

2

A

B

C

D

E

F

G

3

4

5

6

7

8

9

10

11

12

w w w . x i a o y u 1 6 3 . c o m

Q Q 3 7 6 3 1 5 1 5 0

9

9

2

8

9

4

2

9

8

T E L

1 3 9 4 2 2 9 6 5 1 3

9

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

Q

TEL  13942296513  QQ  376315150  892498299 

TEL  13942296513  QQ  376315150  892498299 

http://www.xiaoyu163.com

http://www.xiaoyu163.com

Summary of Contents for TCM-343

Page 1: ... for 8 300Ω earphone Power requirements 3 V DC batteries R6 AA 2 External DC 3 V power sources Dimensions w h d incl projecting parts and controls Approx 112 36 6 90 3 mm 4 1 2 1 1 2 3 5 8 in Mass not incl batteries Approx 180 g 6 4 oz Design and specifications are subject to change without notice Ver 1 0 2000 11 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5...

Page 2: ...h Roller 4 3 MECHANICAL ADJUSTMENT 5 4 ELECTRICAL ADJUSTMENT 5 5 DIAGRAMS 6 1 IC Block Diagrams 6 6 2 Block Diagram 7 6 3 Schematic Diagram 9 6 4 Printed Wiring Board 11 6 EXPLODED VIEWS 6 1 Cabinet Section 13 6 2 Mechanism Deck Section 1 MT 323 118 14 6 3 Mechanism Deck Section 2 MT 323 118 15 7 ELECTRICAL PARTS LIST 16 SECTION 1 GENERAL This section is extracted from instruction manual VOL M FF ...

Page 3: ...binet rear 2 screw IB LOCK 1 three screws B1 7 9 8 mechanism deck 6 main board 4 cord HRP901 5 two cords MIC901 3 two cords M901 1 screw 1 7 2 screw M1 4 7 three screws IB LOCK Lid Sub Assy Cassette Main Board Mechanism Deck Belt Set Head Magnetic Pinch Roller www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498...

Page 4: ...the REC lever 8 screw M1 4 6 head magnetic HRP901 3 pinch roller 2 4 screw 1 4 5 screw M1 4 3 8 9 head magnetic HE901 1 lever pinch roller 7 spring azimuth compression www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 5: ...art in the FWD state and adjust RV601 so that the frequency counter reading becomes 3 000 Hz Specification Value 2 Check that frequency counter reading is within 2 of reading of step 1 Digital frequency counter 2 970 to 3 030 Hz Type WS 48A P 4 A063 Signal 3 kHz 0 dB 6 3 kHz 10dB Used for tape speed adjustment head azimuth adjustment Mode Torque Meter Meter Reading more than 1 96 mN m more than 20...

Page 6: ... mark PLAY REC Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal production toler ances Voltage variations may be noted due to normal production toler ances Signal path E PB a REC F MIC Note on Printed Wiring Board Y parts extracted from the conductor side b Pattern from the side which enables seeing 5 1 IC BLOCK DIAGRAMS IC601 NJM2606AM TE2 GND NC N...

Page 7: ...101 SWITCH HRP901 HE901 MIC901 S101 1 4 PB REC S101 2 4 PB REC S101 3 4 PB REC S101 4 4 PB REC RV101 VOL SP901 SPEAKER J102 EAR PB REC ERASE MIC CN101 DC IN 3V 16 HEAD OFF ON K K w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http ...

Page 8: ...ams w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 9: ... 11 12 16 1 2 A B C D E F G 3 4 5 6 7 8 9 10 11 12 w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 10: ...7 01 BRACKET SPEAKER 18 X 3375 808 1 LID BLOCK ASSY BATTERY CASE 19 4 017 441 01 CUSHION B 20 3 924 747 11 KNOB PAUSE 21 3 318 203 92 SCREW B1 7X9 TAPPING 22 3 019 442 02 CABINET REAR 23 3 831 441 99 SPACER KNOB 24 3 831 441 11 CUSHION B 25 3 366 890 51 SCREW IB LOCK MIC901 1 542 136 11 MICROPHONE ELECTRET CONDEDSER SP901 1 529 188 11 SPEAKER 3 6cm 51 X 3377 250 1 LEVER 2 ASSY PINCH 52 3 925 146 1...

Page 11: ...7 01 BRACKET SPEAKER 18 X 3375 808 1 LID BLOCK ASSY BATTERY CASE 19 4 017 441 01 CUSHION B 20 3 924 747 11 KNOB PAUSE 21 3 318 203 92 SCREW B1 7X9 TAPPING 22 3 019 442 02 CABINET REAR 23 3 831 441 99 SPACER KNOB 24 3 831 441 11 CUSHION B 25 3 366 890 51 SCREW IB LOCK MIC901 1 542 136 11 MICROPHONE ELECTRET CONDEDSER SP901 1 529 188 11 SPEAKER 3 6cm 51 X 3377 250 1 LEVER 2 ASSY PINCH 52 3 925 146 1...

Page 12: ... OFF 112 X 3370 387 1 LEVER ASSY IDLER 113 3 924 682 01 BELT FR 114 X 3370 385 1 PULLEY FR ASSY 115 3 924 628 01 LEVER FR 116 3 924 633 01 SPRING STOP TENSION 117 3 924 622 01 LEVER STOP 118 3 045 541 01 SPRING PR3 TORSION 119 3 924 684 01 SPRING LOCK PLATE TENSION 120 3 924 619 01 LEVER SW 121 3 924 639 01 LEVER CR 122 3 924 618 01 LEVER LOCK 123 3 925 208 01 SPRING REC TENSION 124 3 924 624 01 L...

Page 13: ... C603 1 115 156 11 CERAMIC CHIP 1uF 10V C604 1 164 156 11 CERAMIC CHIP 0 1uF 25V CONNECTOR CN101 1 580 919 11 JACK DC POLARITY UNIFIED TYPE DC IN 3V DIODE D401 8 719 057 27 LED L 132XHD BATT IC IC101 8 759 682 35 IC NJM2775M TE2 IC601 8 759 345 42 IC NJM2606AM TE2 JACK J102 1 766 847 11 JACK EAR JUMPER CHIP JC101 1 216 864 11 METAL CHIP 0 5 1 16W JC102 1 216 864 11 METAL CHIP 0 5 1 16W JC105 1 216...

Page 14: ... CHIP 10K 5 1 16W R402 1 216 813 11 METAL CHIP 220 5 1 16W R404 1 216 821 11 METAL CHIP 1K 5 1 16W R602 1 216 831 11 METAL CHIP 6 8K 5 1 16W R603 1 216 841 11 METAL CHIP 47K 5 1 16W R605 1 216 821 11 METAL CHIP 1K 5 1 16W R607 1 216 831 11 METAL CHIP 6 8K 5 1 16W VARIABLE RESISTOR RV101 1 225 597 11 RES VAR CARBON 10K VOL RV601 1 238 663 11 RES ADJ CARBON 4 7K SWITCH S101 1 786 026 11 SWITCH SLIDE...

Page 15: ...2000 11 Published by General Engineering Dept 9 873 032 11 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

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