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Thank you very much for purchasing the DENON component stereo 
cassette tape deck. 
DENON proudly presents this advanced tape deck to audiophiles and 
music lovers as a further proof of DENON's non compromising pursuit of 
the ultimate in sound quality. The high quality performance and easy 
operation are certain to provide you with many hours of outstanding 
listening pleasure. 

TABLE OF CONTENTS 

-

 FEATURES  ....................................................................................... 5 
 CONNECTION ................................................................................... 5 
 NAMES AND FUNCTION OF PARTS ................................................. 6, 7 
 CASSETTE TAPES  ............................................................................. 7 
 AUTOMATIC TAPE SELECTION  .......................................................... 8 
 PLAYBACK ........................................................................................ 8 
 RELAY PLAY ..................................................................................... 9 
 TWIN OUTPUT  ................................................................................. 9 
 MUSIC SEARCH SYSTEM  ................................................................... 9 
 RECORDING ................................................................................... 10 
 PROPER RECORDING LEVEL ............................................................ 10 
 REC/REC MUTE AND REC PAUSE BUTTON ........................................ 10 
 AUTO-STANDBY  ............................................................................. 11 
 TWIN RECORDING  ......................................................................... 11 
 RELAY RECORDING  ........................................................................ 11 
 DUBBING ....................................................................................... 12 
 DECK A/B SELECT AND MEMORY STOP ............................................ 13 
 DOLBY B AND C NOISE REDUCTION SYSTEM  ................................... 14 
 DOLBY HX-PRO HEADROOM EXTENSION SYSTEM  ............................ 14 
 MAINTENANCE ............................................................................... 14 
 TROUBLESHOOTING ....................................................................... 15 
 SPECIFICATIONS ............................................................................ 15 
 WIRED REMOTE DIAGRAM............................................................... 16 
 

CONNECTION 

Please check to make sure the following items are included with 

 

the main unit in the carton: 

 

(1) Operating Instructions ......................................................... 1 

 (2) Connection Cords ................................................................ 2 
 (3) Remote control box connection wire ..................................... 1 
 (4) Remote control box schematic diagram  ................................ 1 

FEATURES 

•  Computer Controlled Mechanism 
•  Dual Power Supply 
•  Dolby HX-Pro Headroom Extension System (deck B only) 
•  Dolby B & C Noise Reduction Systems (A/B Independent) 
•  Computing Tape Counter with 4-Digit Readout and Memory 
 Stop 

 

Music Search System 

•  FL Peak Level Meters 
• Auto 

Tape 

Selector 

• 2-Speed 

Dubbing 

 

Relay Playback 

•   Twin Recording and Relay Recording 

 

19-inch Rack Mountable 

•  Speed Control of Approximately ±12% (A/B Independent) 
•   Accurate Music Search System 
•  Display Memory Back-up 

  

Twin Output 

•  Auto-standby

Leave your entire system (including this cassette deck) turned off 

til

all connections between the deck and other components have been 
completed. 

 

Connecting the Deck to an Amplifier (Mixer)

  

Before connecting the deck to your amplifier, please review your 
amplifier's instruction manual. Use the white plugs for the left 
channel and red plugs for the right channel. 

 

Tape Dubbing

  

Many stereo amplifiers and receivers have tape dubbing circuitry 
so that tape duplication can be performed between two or more 
tape decks. Review your amplifier's instruction manual for a full 
explanation of this mode of operation. 

Connecting Headphones

To listen through headphones, plug your headphones into the 
PHONES jack.  

• 

Installation Precautions

  

 

If the deck is placed near an amplifier, TV or tuner, noise (induced 
hum) or beat interference may result, especially during FM or AM 
reception. If this occurs, place the deck further away from other 
components or reorient its position. 

5

Summary of Contents for DN-770R

Page 1: ...STEREO CASSETTE TAPE DECK DN 770R OPERATING INSTRUCTIONS...

Page 2: ...serial number of your set shown on the rating label Model No DN 770R Serial No CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICIN...

Page 3: ...ot likely to be walked on or pinched by items placed upon or against them paying particular attention to cords at plugs convenience receptacles and the point where they exit from the appliance 14 Clea...

Page 4: ...g the cord Keep the set free from moisture water and dust Unplug the power cord when not using the set for long periods of time For sets with ventilation holes Do not obstruct the ventilation holes Do...

Page 5: ...X Pro Headroom Extension System deck B only Dolby B C Noise Reduction Systems A B Independent Computing Tape Counter with 4 Digit Readout and Memory Stop Music Search System FL Peak Level Meters Auto...

Page 6: ...deck A only regardless of the position of the deck A B selector Reverse Mode Switch REV MODE Select the type of tape transport The reverse mode can be set to one side continuous playback RELAY relay...

Page 7: ...nding button is pressed CASSETTE TAPES Handling Precautions C 120 Cassettes C 120 cassette tapes are not recommended as they use a very thin tape base which may become tangled around the capstan or pi...

Page 8: ...r When listening to a tape that has been recorded with Dolby noise reduction set the DOLBY NR button to match the system used at the time of recording Pressing the DOLBY NR button selects Dolby noise...

Page 9: ...rdings with discontinuous speech or conversation Recordings with long periods of pianissimo softly played music Recordings with long silences Blank sections with a high level of noise Blank sections s...

Page 10: ...er Press the PLAY button to start the recording The PLAY or and the indicator will light during recording To stop recording press the stop button To pause the recording press the REC PAUSE II button P...

Page 11: ...B and the REVERSE MODE switch Press the TWIN REC button The A B indicator will light up and both decks will enter the recording pause mode Adjust the INPUT LEVEL control for the best recording input...

Page 12: ...ortion of the opposite side of the tape To begin normal speed dubbing press the DUBBING SPEED NORMAL button The DUB indicator will light at this time To high speed dubbing press the DUBBING SPEED HIGH...

Page 13: ...g forward tape travel or the Fast Forward button is pressed during reverse tape travel the tape is rapidly rewound or advanced until the counter indication of 0000 is reached The Memory Stop feature w...

Page 14: ...ned more often to enjoy the best possible sound 14 The operating principle of Dolby C NR is similar to that of Dolby B NR except for the encoding decoding response curves The noise reduction effect ob...

Page 15: ...ape is worn Replace tape The cassette tape cannot be removed If the POWER switch is turned off either Turn the POWER switch ON again and during recording or playback and the unit is then press the STO...

Page 16: ...ptible the system will be to the effects of external noise Keep cable lengths to 2 m or less Do not locate equipment that produces electrical noise in the vicinity of the cable Doing so might lead to...

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