Sony TCM-20DV, TCM-22DV, TCM-21DV service manual Main SW

Page 16

TCM-20DV/21DV/22DV/23DV

MAIN SW

Ref. No.

Part No.

Description

 

 

Remark

R105

1-216-049-11

RES-CHIP

1K

5%

1/10W

R106

1-216-049-11

RES-CHIP

1K

5%

1/10W

R108

1-216-085-00

METAL CHIP

33K

5%

1/10W

R109

1-216-037-00

METAL CHIP

330

5%

1/10W

R110

1-216-037-00

METAL CHIP

330

5%

1/10W

R111

1-216-069-00

METAL CHIP

6.8K

5%

1/10W

R112

1-216-073-00

METAL CHIP

10K

5%

1/10W

R113

1-216-089-00

RES-CHIP

47K

5%

1/10W

R114

1-216-081-00

METAL CHIP

22K

5%

1/10W

R115

1-216-065-00

RES-CHIP

4.7K

5%

1/10W

R116

1-216-089-00

RES-CHIP

47K

5%

1/10W

R117

1-216-065-00

RES-CHIP

4.7K

5%

1/10W

R118

1-216-009-00

RES-CHIP

22

5%

1/10W

R119

1-216-121-00

RES-CHIP

1M

5%

1/10W

R122

1-216-081-00

METAL CHIP

22K

5%

1/10W

R123

1-216-057-00

METAL CHIP

2.2K

5%

1/10W

R125

1-216-065-00

RES-CHIP

4.7K

5%

1/10W

R126

1-216-033-00

METAL CHIP

220

5%

1/10W

R127

1-216-053-00

METAL CHIP

1.5K

5%

1/10W

R129

1-216-097-00

RES-CHIP

100K

5%

1/10W

R130

1-216-061-00

METAL CHIP

3.3K

5%

1/10W

R131

1-216-077-00

RES-CHIP

15K

5%

1/10W

R132

1-216-061-00

METAL CHIP

3.3K

5%

1/10W

R133

1-216-045-00

METAL CHIP

680

5%

1/10W

R134

1-216-061-00

METAL CHIP

3.3K

5%

1/10W

R135

1-216-105-00

RES-CHIP

220K

5%

1/10W

R136

1-216-097-00

RES-CHIP

100K

5%

1/10W

R137

1-216-073-00

METAL CHIP

10K

5%

1/10W

R138

1-216-097-00

RES-CHIP

100K

5%

1/10W

R139

1-216-105-00

RES-CHIP

220K

5%

1/10W

R141

1-216-073-00

METAL CHIP

10K

5%

1/10W

R142

1-216-025-00

RES-CHIP

100

5%

1/10W

R143

1-216-065-00

RES-CHIP

4.7K

5%

1/10W

R144

1-216-017-00

RES-CHIP

47

5%

1/10W

R201

1-216-009-00

RES-CHIP

22

5%

1/10W

R601

1-216-081-00

METAL CHIP

22K

5%

1/10W

R602

1-216-049-11

RES-CHIP

1K

5%

1/10W

R603

1-216-053-00

METAL CHIP

1.5K

5%

1/10W

R604

1-216-077-00

RES-CHIP

15K

5%

1/10W

R606

1-216-097-00

RES-CHIP

100K

5%

1/10W

R607

1-216-081-00

METAL CHIP

22K

5%

1/10W

R609

1-216-053-00

METAL CHIP

1.5K

5%

1/10W

R610

1-216-057-00

METAL CHIP

2.2K

5%

1/10W

 

 

< VARIABLE RESISTOR >

 

 

RV101

1-227-166-11 RES, VAR, CARBON (VOL w)

 

RV601

1-223-583-11 RES, ADJ, CARBON 1K

 

 

RV602

1-225-598-11 RES, VAR, CARBON 2K (SPEED CONTROL)

RV603

1-223-587-11 RES, ADJ, CARBON 22K

 

 

 

 

< SWITCH >

 

 

 

S101

1-771-321-11

SWITCH, SLIDE (REC/PB)

 

 

S102

1-572-688-11 SWITCH, PUSH (1 KEY) (POWER)

 

S104

1-692-605-31

SWITCH, SLIDE (VOR)

 

 

S105

1-572-922-11

SWITCH, SLIDE (PAUSE .)

 

Ref. No.

Part No.

Description

Remark

< THERMISTOR >

THP601 1-810-007-11 THERMISTOR, POSITIVE

THP602 1-809-350-21 THERMISTOR, NTC (2125)

**************************************************************

*1-676-967-11 SW BOARD

*********

< SWITCH >

S601 1-571-277-51 SWITCH, SLIDE (REC TIME)

**************************************************************

 

 

MISCELLANEOUS

 

 

**************

HE901

1-500-515-11

HEAD, MAGNETIC (ERASE)

HRP901

1-500-073-51

HEAD, MAGNETIC (RECORD/PLAYBACK)

M901

1-763-453-21 MOTOR, DC (CAPSTAN/REEL) (WITH PULLEY)

MIC101

1-542-136-11

MICROPHONE, ELECTRET CONDENSER (MIC)

SP901

1-505-838-11

SPEAKER (3.6cm)

************************************************************

ACCESSORIES & PACKING MATERIALS

*********************************

01-528-405-31 ADAPTOR, BATTERY CHARGE

(BCA-35E) (22DV)

1-542-307-11 MICROPHONE (ECM-J2SL) (21DV)

01-693-073-21 ADAPTOR, AC (AC-E350) (22DV)

1-756-035-31 BATTERY PACK (NC-WMAA) (22DV)

3-044-622-01 POUCH, CARRYING (21DV)

3-868-083-11 MANUAL, INSTRUCTION

(ENGLISH, FRENCH, SPANISH) (US, Canadian) 3-868-083-21 MANUAL, INSTRUCTION

(ENGLISH, SPANISH, PORTUGUESE) (E) 3-868-083-31 MANUAL, INSTRUCTION

(GERMAN, ITALIAN, HUNGARIAN) (21DV: E) 3-868-083-41 MANUAL, INSTRUCTION

(FRENCH, GERMAN, ITALIAN) (20DV: E)

3-868-083-51 MANUAL, INSTRUCTION

(DUTCH, SWEDISH, FINNISH) (20DV: E)

3-868-083-61 MANUAL, INSTRUCTION (POLISH, CZECH, SLOVAKIAN) (20DV: EE/21DV: E)

3-868-083-71 MANUAL, INSTRUCTION (ENGLISH, CHINESE) (20DV: 1E/23DV: 1E)

3-868-083-81 MANUAL, INSTRUCTION (ENGLISH, CHINESE) (20DV: CHINESE)

3-868-083-91 MANUAL, INSTRUCTION

(ENGLISH, RUSSIAN, HUNGARIAN) (20DV: EE) 8-814-296-90 MICROPHONE, CONDENSER ECM-TC60

(23DV)

The components identified by

Les composants identifiés par une

mark 0 or dotted line with

marque 0 sont critiques pour la

mark 0 are critical for safety.

sécurité.

Replace only with part num-

Ne les remplacer que par une pièce

ber specified.

portant le numéro spécifié.

 

 

Sony Corporation

9-927-668-11

Personal Audio Division Company

2000B0579-1

Printed in Japan C 2000. 2

 

– 20 –

 

Published by General Engineering Dept.

Image 16
Contents Specifications NEWTable of Contents Mechanical AdjustmentsDiagrams Section Servicing NotesSection General Location of ControlsSection Disassembly Cabinet REAR, Cassette LIDMain BOARD, Mechanism Deck MT-20DV-118 BeltInstallation Main Board Torque Measurement Section Mechanical AdjustmentsTape Tension Measurement Section Electrical Adjustments Tape Speed AdjustmentRecord/Playback Head Azimuth Adjustment Test TapeBlock Diagram Section DiagramsSignal Path Play Record Semiconductor Location Printed Wiring BoardsSW Board Schematic Diagram See page 15 for IC Block Diagram Section Exploded Views IC Block Diagram IC101 LA4168ML-TE-LCabinet Section Mechanism Deck MT-20DV-118 110 109 112 116 101 107 120 Section Electrical Parts List Main Main SW
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TCM-21DV, TCM-20DV, TCM-22DV specifications

The Sony TCM-20DV, TCM-21DV, and TCM-22DV are compact cassette tape recorders that exemplify the brand's commitment to quality audio capture and practical design. These models cater to a diverse audience, including students, journalists, and hobbyists, who need reliable recording devices for various purposes, from lectures and interviews to personal dictations.

The TCM-20DV, the entry-level model, offers straightforward functionality with user-friendly controls. It features a built-in microphone and a simple button layout, allowing users to start recording quickly and effortlessly. This model supports normal and high-speed playback, enabling fast review of recorded material. The TCM-20DV is powered by two AA batteries, making it an accessible and portable option for on-the-go recordings.

Moving up the line, the TCM-21DV introduces additional features that enhance the user experience. It retains the solid build quality and portability of its predecessor while adding a headphone jack for private listening and an external microphone input for improved audio quality. This model also includes an automatic shut-off feature, which conserves battery life by turning off the device when idle for a specific duration. The TCM-21DV is well-suited for more demanding recording tasks, thanks to these enhancements.

The TCM-22DV, the flagship model in this trio, takes the capabilities even further. It incorporates a dynamic microphone that captures clear and crisp audio, making it particularly effective in noisy environments. The TCM-22DV also offers advanced sound processing technologies that enhance playback fidelity, ensuring that recordings sound as close to the original source as possible. Furthermore, it features a built-in speaker that allows for convenient playback without the need for headphones.

All three models are built with durable materials, ensuring longevity and robustness for everyday use. Their design emphasizes ease of use, featuring intuitive controls and lightweight construction that make them comfortable to handle and transport.

In conclusion, the Sony TCM-20DV, TCM-21DV, and TCM-22DV serve distinct user needs while displaying the brand's dedication to quality audio recording. With lightweight, portable designs, various features, and enhancements, these tape recorders remain relevant in an age of digital technology, continuing to offer reliable and effective audio solutions.