100 lines
4.0 KiB
Plaintext
100 lines
4.0 KiB
Plaintext
<(/)><(/)><(/)><(/)><(/)><(/)>
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<(/)> <(/)>
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<(/)> BLUE BOX PLANS <(/)>
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<(/)> <(/)>
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<(/)> AN ORIGINAL OSUNY <(/)>
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<(/)> PHILE <(/)>
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<(/)> <(/)>
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<(/)><(/)><(/)><(/)><(/)><(/)>
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<(KEY)>
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-------
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CX -- CAPACITOR #X DENOTED BY: ---! !---
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PX -- POT OR VARIABLE RESISTOR #X DENOTED BY: /
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>
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/<---
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RX -- RESISTOR #X DENOTED BY: /</</</<
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SCHEMATICS
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-+-+-+-+-+
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THE XR-2207 CHIP IS A VOLTAGE-CONTROLLED OSCILLATOR AND A
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14 PIN DEVICE THUS YOU MUST BE VERY CAREFUL WHEN SOLDERING
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THE PARTS TO THIS DEVICE. IT IS A LITTLE DIFFICULT TO
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ACTUALLY DRAW A SCHEMATIC ON AN 80 CHARACTER SCREEN USING
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LIMITED GRAPHICS, BUT I WILL GIVE IT A TRY.
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TO GND <------------------
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! <--
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C2 C3 <--
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<!!!!< !
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! ! <----!--- 9V+
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! ! ! !
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- - - - - - - !
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------------------------------! !
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! ! !
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! 7 6 5 4 3 2 1 ! !
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! ! !
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! ! !
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! 8 9 10 11 12 13 14 ! !
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------------------------------- !
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- - - - - - - !
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! ! !
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---! !--------- ! !
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! C1 R2 ! R1 !
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GND <----!-------/</</</<---!-------/</</</----!
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THIS IS A DIAGRAM OF HOW TO LOCATE THE DIFFERENT PINS ON
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THE CHIP. PLEASE NOTICE THAT PIN ONE (1) IS THE CLOSET TO THE
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NOTCH ON TOP OF THE CHIP. THE FIRST THING WE'LL DO IS TO
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CONNECT POWER TO THE CHIP (REMEMBER THAT YOU NEED TO BUILD
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TWO (2) OF THESE TO GET A COMPLETE SYSTEM) THIS IS
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ACCOMPLISHED BY CONNECTING THE POSITIVE WIRE OF THE BATTERY
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LEAD TO PIN #1 ONE LEG OF R1 AND R2 IS SOLDERED TO PIN #11.
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THE OTHER LEG OF R1 GOES TO PIN 1 OR TO THE D. C1 GOES
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BETWEEN PIN 10 AND GROUND. THE TIMING CAPACITOR OR C2 GOES
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BETWEEN PINS 2 AND 3 OF THE CHIP. PINS 8 AND 9 SHOULD BE
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GROUND TO GROUND. PIN 14 IS THE OUTPUT AND THIS IS WHERE ONE
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LEG C4 (C3 GOES TO THE OTHER VCO) IN SERIES WITH R3 (THE SAME
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GOES FOR THE OTHER VCO) AND TO THE LEAD OF THE SPEAKER.
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THE TRIMMER POTS P1 TO P10 SHOULD BE GROUPED IN GROUPS OF
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5 POTS EACH THE WAY YOU GROUP IT IS BY SOLDERING ONE END OF
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THE POT TO EACH OTHER LEAVING THE WIPER AND THE OTHER END
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FREE.
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! THIS END GOES TO PIN 6 OF THE CHIP
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!
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<-------------!---------------------------------
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/ / / / /
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> > > > >
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/<- /<- /<- /<- /<-
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> ! > ! > ! > ! > !
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/ ! / ! / ! / ! > !
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! ! ! ! !
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! ! ! ! !
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P1 P2 P3 P4 P5
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AND FINALLY THIS IS THE WAY EACH KEY IS TO BE WIRED.
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THE CONTACT OF THE DIODE
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!-------<---- KEY
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TO PX ----->!----------! !
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DIODE !
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------
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----
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--
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GROUND
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AN OFFICIAL OSUNY FILE <<(914) 428-7216>>
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