Sony DTC-690 Cassette deck
Manufacturer:
Model:
DTC-690
Date:
1994
Category:
Group:
Description:
Digital Audio Tape Deck

Information

Serial copy management system (SCMS) This unit utilizes the serial copy management system that permits digital-to-digital recording for one generation. You can record CD sound or other digital formats through a digital-to-digital connection. (See page 54.) Three sampling frequencies Recording/playback can be done with three sampling frequencies (48 kHz, 44.1 kHz and 32 kHz). 48 kHz: For analog and digital input signals in a standard mode. 44.1 kHz: For compact disc and pre-recorded DAT tape. 32 kHz: For analog input signals in a long-play mode. Long play mode This unit can operate in a long-play mode. Analog input signals can be recorded or playback for up to four consecutive hours when the DT-120 DAT cassette tape is used. The sampling frequency will be 32 kHz in the long-play mode. Visible cassette loading You can view the tape operation through the lid of the cassette compartment. Due to a revolutionary new transport mechanism, cassette loading time has been significantly reduced. Excellent sound quality 1-bit A/D Converter For the A/D Converter section which converts analog input signals to digital signals, the unit employs a 1-bit A/D Converter which theoretically generates no zero-cross distortion for a clear, elegant sound quality. Pulse D/A Converter Superior playback performance is achieved with a pulse D/A converter. Rich variety of subcode information This unit can record subcode information such as Start IDs, program numbers, Skip IDs, and absolute time data, enabling you to quickly loçate tunes and display the playback time in the same manner as when playing compact discs. Post edit recording of sub codes You can record or rewrite the following sub codes after the audio signal recording has been completed. Start ID: Signifies the beginning of a selection. Program number: Gives a number to the selection. Skip ID: Signifies the beginning of a portion to be skipped. End ID: Signifies the end position of recording/playback. Since sub codes are written on the tape separately from audio signals, the audio signals are not affected.

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Service Manual
Manual type:
Service Manual
Pages:
63
Size:
10.76 Mbytes (11281897 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
01 January 1994
Quality:
Scanned document, all readable.
Upload date:
24 December 2016
MD5:
abb2dbf1b9a018d32454c77cff9319cb
Downloads:
1308

Information

Features ... 4 Location and Function of Controls ... 5 Connections ... 9 2. DISASSEMBLY ... 11 3. ADJUSTMENTS ... 14 3-1. Electrical Adjustments ... 16 4. DIAGRAMS 4-1. Circuit Boards Location ... 19 4-2. Block Diagram ... 20 4-3. Waveforms ... 23 4-4. Semiconductor Lead Layouts ... 25 4-5. Printed Wiring Boards - MD / Power supply / Display section - ... 27 4-6. Schematic Diagram - MD / Power supply / Display section - ... 31 4-7. Printed Wiring Boards - Main section - ... 36 4-8. Schematic Diagram - Main section - ... 39 4-9. IC Block Diagrams ... 43 4-10. Pin Functions ... 47 5. EXPLODED VIEWS 5-1. Cabinet Section ... 55 5-2. Front Panel Section ... 56 5-3. Chassis Section ... 57 5-4. Mechanism Section 1 ... 58 5-5. Mechanism Section 2 ... 59 5-6. Mechanism Section 3 ... 60 5-7. Mechanism Section 4 ... 61 6. ELECTRICAL PARTS LIST ... 62

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