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Содержание Mark 5 Series 2

Страница 1: ...E RECORDER IMPORTANT Before attempting to operate this instrument be sure to study careful these instructions In the event of damage to the Recorder through wrong connection or other misuse the manufa...

Страница 2: ...Superimpose Control Rewind Switch Speed Selector Switch Fixed Head Cover Clip on Head Cover FUNCTION SWITCH Record Playback Amplifier FREQUENCY CORRECTION IJ 3 7f 15 RECORDING LEVEL INDICATOR Magic e...

Страница 3: ...switch is mounted on this panel and will switch power to both deck and amplifiers Also mounted on the mains adjust ment panel is a device known as a Humdinger This control is preset at the factory an...

Страница 4: ...playback head F Azimuth adjustment screw G Capstan shaft H Capstan sleeve J Adjustable tape guide Al C B K Pinch wheel LI L2 Pressure Pads M Take up pin N Pressure pad operating lever O Crescent shap...

Страница 5: ...use with the smaller sleeve and the lower with the larger sleeve The machine is supplied with the large capstan sleeve in position and the small capstan sleeve fitted to W the supplementary guide pil...

Страница 6: ...rd position 8 Advance the volume control to position noted in 6 and record ing will take place If the superimpose control is inoperative i e it is set to allow the erase pressure padto press the tape...

Страница 7: ...Internal speaker will be automatically dis connected 6 An external amplifier may be used with the recorder by con necting it to either the a monitor socket and adjusting the recorder volume control t...

Страница 8: ...hum If a low impedance microphone is used a matching transformer will be required Do not rub the hand or fingers on the case of a microphone whilst recording otherwise noise will be recorded Endeavou...

Страница 9: ...istener should endeavour to hear a variety of makes within his price range in use with the tape recorder If the speakers can be heard within the listener s own home so much the better as room acoustic...

Страница 10: ...from the gramo phone record manufacturer before tape recordings are made from discs Failure to obtain permission is a breach of copyright T When stopping the tape the re wind switch must be brought qu...

Страница 11: ...on the board Rubber grommets or other rubber cushioning should be fitted between the deck plate and the mounting board Before actually mounting remove the mask from the deck to gain access to the fou...

Страница 12: ...er unit for minimum hum if no definite position can be ascertained set it mid way Move the power unit being careful not to touch any components or ashock may be received to a position in which the min...

Страница 13: ...duced into amplifying equipment by having too many earth potential linking cables and it is therefore sometimes necessary to ensure that only one piece of the installation is con nected to the earth t...

Страница 14: ...d linen cloth for cleaning the heads REMOVAL OF AMPLIFIER Two domed screws FI F2 Fig I are used to hold the amplifier in the cabinet and the removal of these screws will enable the amplifier to be lif...

Страница 15: ...ch should be asfollows With rewind and record playback switches to STOP adjustthe gap between brake levers and the 4 B A adjustable screws in actuating bar to Adjustment of these screws can be carried...

Страница 16: ...is applied to the take up motor to give faster initial take up and prevent tape spillage CAPSTAN SLEEVES Two sleeves are provided of approximately I and diameter The I used in conjunction with speed s...

Страница 17: ...hat idler is clear of motor plate X is the stepped pulley U is the lower bearing for the capstan spindle Fig 6v H Mechanical brake K Speed change switch M Rewind switch P Flywheel Fig 5 Q Head leads a...

Страница 18: ...e and speed change mechanism Y loosen screws G and T and remove screws E O R V and W circlips J and L and suppressor units G and T See Fig 5 1 is one of the two brake adjustment screws Idler wheel ret...

Страница 19: ...top response and or output from record playback heads and incomplete erasure The above condition can be caused by the tape being unable to make intimate contact with the face of the record playback h...

Страница 20: ...rew is tight 0 Usually due to dirt clean and lightly oil the bearings Specification TAPE SPEEDS l 3 7 and IS i p s MOTORS Three Synchronous Hysteresis type for driving capstan WOW AND FLUTTER Less tha...

Страница 21: ...plastic coated tape on reels up to 8 in in diameter TRACK WIDTH 0 095 in displaced to one edge TRACK SENSE To International Standards Upper track operative Tape movement L to R across heads NUMBER OF...

Страница 22: ...l Simply adjust for the minimum hum level with volume and bass controls advanced to maximum amplifier and deck switched to playback Should there be no perceptible change in the hum level set the contr...

Страница 23: ...dphones 2000 4000 ohms or external amplifier Low level output from coaxial socket on rear of amplifier for use with external amplifier SUPERIMPOSING A switch has been incorporated to enable the tape t...

Страница 24: ...B R E N E L L E N G I N E E R I N G CO L T D la Doughty Street London W C I Telephone HOLborn 7356 3 lines Printed in England...

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