Pioneer CT-4141A Operating Instruction Download | Manualshive

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Summary of Contents for CT-4141A

Page 1: ...24HANNEL STEREO CASSETTE TAPE DECK GTI4I4IA OPERATING INSTRUCTIONS KCU WARNING TO PREVENT FIRE OR SHOCK HAZARD DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE ...

Page 2: ...ing tape is composed of a thin film of polyester or acetate to which is applied a coating of magnetic material The surface of the tape thus becomes coated over with many minute sensitive magnetic partieles Iron oxide has been the usual material to coat recording tape The chrome tapes use chromium dioxide in place of iron oxide This results in a great improvement of the frequency response and signa...

Page 3: ... TAPE SELECTION FOR ALL TAPES INCLUDING CHROMIUM DIOXIDE You can use the latest chromium dioxide cassette tapes with their great improvement over conventional tapes in both frequency characteristics and dynamic range because the independent bias and equalizer circuits required are available through the tape selector switch When using chrome tapes the playback equalizer operates at 70 gs which give...

Page 4: ... Types of tape available are as follows 1 Ordinary tape 2 Low noise tape low noise high output tape sometimes coded LH 3 Chrome i e chromium dioxide tape Tapes corresponding to 2 and 3 are known as high performance tapes However unless a tape deck designed for their use is employed not only will they fail to develop their full inherent perform ance but they may even give results inferior to ordina...

Page 5: ...The meters enable the monitoring of the input levels during recording and output levels during playback MODE BUTTON MODE A change over switch between stereo and monophonic recording Push this button for monophonic record ing TAPE SELECTOR SWITCH BIAS EQ The setting depends upon the kind of tape cassette being used When using chrome tape depress both BIAS and EQ at the same time BIAS NORMAL ordinar...

Page 6: ...APE Rec R GHt SPEAKER sysrEMs IN CONNECTOR REC PB input and output con Combines for both nections LINE INPUT JACKS Used for individual jack plug input connec tions LINE OUTPUT JACKS Used for individual lack plug output con nections GROUND TERMINAL GND This terminal should be grounded if externally induced hum etc is obtrusive POWER CORD AND PLUG 5 ...

Page 7: ...the REC button already down tape transport from left to right commences the TAPE RUNNING PILOT turns red indicating that recording is taking place and the pattern begins to rotate to the left PAUSE 1 Pushing the PAUSE button while in recording or playback modes temporarily arrests the tape transport Neither the PLAY button in PLAY BACK nor the PLAY and REC buttons in RECORDING will return to their...

Page 8: ...be avoided as it imposes undue strain on the tape or produces slack of tape spillage Be sure to first press the STOP button before changing to the next operation 2 Do not depress the EJECI button while the tape is in motion Always be sure to depress the STOP button first to arrest the tape transport before pushing the EJECT button PIONEEII Fis 6 Fig 7 L l I I rl PUSH Stereo and Mono Tapes Fig 8 sh...

Page 9: ... To arrest tape transport temporarily use the PAUSE button when you have finished record ing depress the STOP button NOTE The sigrcl to be recorded can be monitored with the PAUSE button depressed The sound signal can be heatd both uia stereo head phones or the stereo sy stem speahers TAPE SELECTOR SETTINGS FOR VARIOUS MANUFACTURERS TAPES Table 1 NOTE When using chrome tapes set both BIAS and Ee s...

Page 10: ...BY switch and check that the Dolby indicator lamp comes on Once this has been done proceed with recording as detailed in the previorx sections Please also refer to page 14 1hs Use of the Dolby System ERASING Previously recorded material is automatically erased before subsequent recordings made with the same cassette If it is desired to erase the previous material without recording any new material...

Page 11: ...RS FOR CARE OF YOUR CASSETTE TAPES EXTERNAL TAPE SLACKS OR SPILLAGE If there is a slack of tape outside the cassette the tape may not enter the space between the capstan and the pinch roller properly In such cases to take up the slack use a pencil as shown in Fig 11 inserting it at the center of one of the spools and turning it in the direction indicated Fis 11 PROTECTION AGAINST ACCIDENTAL ERASUR...

Page 12: ...on will bring the heads forward and make the operation easier When cleaning with the power disconnected depress the PAUSE button to detach the pinch roller from the capstan Refer to Fig 13 NOTE Do not under any circumstances bring a steel screwdriuer or pliers anywhere nedr the heads or a magnet Mahe sure that no benzene thinners or alcohol get on the case or the operating buttons TIEAD DEMAGNETIZ...

Page 13: ...set ting 3 Switch off the Dolby circuit Playback sound is distorted 1 PB LEVEL is too hish 2 The recorded tape itself iS distort ed 1 Reduce playback level 2 Check sound quality with another cassette The playback sound is unsta ble quivering 1 The capstan is dirty 2 Tape is wound too tighrly 3 The tape has stretched 1 Clean 2 Try with a different cassette 3 Try with a different cassette Noise leve...

Page 14: ...g o p 6l IJ u cl i o Fr C F Gr l or rJ art v l oo ii GO o o rt v I I o o r GT t J an N 9 o o r J ES J vt v Gt l g qO si 60 o rc I z o 6 UT o r rJ v N a r N tt J tlt l o E i i fr t 3 l L d Lc Ao9 v nq a oarq taaJ 9F a frl3 z 6e F FC a z G U dA G o ia o_o Hd oo t c bF a k gg7 Zl aggu EE d z o 99 o 6 u o r D tcDlg Ft fr EE3d9 88 l H I j l f ffi il ll L r r N a7 J t 6l 4 E 3 G o dt d o U a u di c U V ...

Page 15: ...by system can only be achieved with tapes which have been both recorded and are played back in the Dolby mode Otherwise the true frequency characteristic of the signal source will be destroy ed Please do not play normal tapes in the Dolby playback mode in which case noise will be reduced but at the expense of poor high frequency response or Dolby ized tapes in the normal playback mode when highs w...

Page 16: ...character istics remain constant regardless of high or low signal Ievels Therefore when the signal level is low the signal to noise ratio in playback drops meaning that noise is more npticeable llilillilllllllllllllllllllllllllffi ilillilililililtililllllilllllllilil lllllllllllllllllllllililillililiill lllllllllililililililililililililril ilililililililililililIilililililil ilililililil1ililil1il...

Page 17: ... 16S2 Circuit Semi Conductors Transistors 28 Thyristor 1 Diodes 22 2 transistors 1 diode for motor speed control Subfunctions Tape selectorswitch NORMAL CHROME B IAS EQ independent switchover type Dolby B system ON OFF with lamplight indicator Full automatic stoP device SkiP button MODE switch MONO STEREO Large size tape running light also used for recording indicator 3 digit taPe counter Pause bu...

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