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Страница 2: ...scillator is turned on via SW1 5 by bias ing Q2to saturation This provides aground to the emitter of Ql which starts the Bias Oscillator With no external inputs connected to the unit the Internal Micr...
Страница 3: ...nnector is plugged into the SyncOut Jack so that a Motor Stop command on the tape will not stop the motor while a tape is being copied During Audio Record a large amount of Bias frequency signal is in...
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Страница 6: ...functional order for instance troub leshooting a problem with Audio Record means that Audio Playback must first be verified The Sections are as follows I Power Supply and Motor IIA Audio Playback III...
Страница 7: ...on these pins if ex connected to ICl If at any point there is a performance ternal pads are good suggest replacement of the IC PINS 2 problem and all external components check good recheck 3 4 6 8 13...
Страница 8: ...ext deals directly with the150 Hz General Description your troubleshooting will be facilitated section Component designations for the 1 kHz section are in by understanding the description of operation...
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Страница 10: ...on SW1 REC PLAY shown in Play SW2 PA SW3 ALC SW4 Tape Stop Off Proj 2 SW5 Sync Record Erase SW6 Slide 1 Advance SW7 Tape Stop Restart Slide 2 Advance SW8 Anti Sync Record SW9 Main Power Location Main...
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