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- MEMBER NAME: PINKBOX2 *
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- =/=> How To Build A Pink Box <=\=/=\=/=\=/=\=/=\=> Written By Baba O'Riley <=\
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- The function of a Pink Box is to add a hold button that allows music or
- anything else to be played into the telephone while the person is on hold.
- This box can either be built right in the telephone or as a seperate box.
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- \=/=\=/=\=/=\=/=\=/=\=/=\=/=> Materials Needed <=\=/=\=/=\=/=\=/=\=/=\=/=\=/=\
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- some Bell wire or phone wire
- a SPST momemtary switch RS # 275-1547
- one resistor, 470 ohms RS # 271-019
- one LED, 5 volts RS # 276-041
- one SCR, number 2N5061
- audio transformer (Ratio 10K:600)
- RCA phono jack RS # 274-346
- screwdrivers, soldering iron, solder, etc.
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- /=\=/=\=/=\=/=\=/=\=/=\=/=\=/=> Construction <=\=/=\=/=\=/=\=/=\=/=\=/=\=/=\=/
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- 1. Open the wall box and locate the RED and GREEN wires.
- 2. Take a piece of RED wire, strip the end, and attach it to the red lead on
- the wall box. Do the same for the GREEN.
- 3. Connect the GREEN wire to the ANODE end of the LED.
- 4. Connect the CATHODE end of the LED to the UPPER pin of the primary side of
- the transformer (See diagram below).
- _____
- To one phono pole ---! Top !--- To CATHODE of LED
- -!View !- Primary side
- To other phono pole ---!_____!--- To pole or trans. & one pole of switch
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- 5. Connect the pin directly across to one pole of the phono jack.
- 6. Connect the RED wire to one side of resistor and to the C pole of the
- transistor.
- 7. Connect the open pin of the switch the other side of the resistor and to
- the G pole of the transistor.
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- =/=\=/=\=/=\=/=\=/=\=/=\=/=\=/=> Wiring Diagram <=/=\=/=\=/=\=/=\=/=\=/=\=/=\=
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- RCA Jack Transformer LED
- _____ C A
- Pole of Jack --/---! Top !---/--(*)--\------GREEN wire
- -!View !- Primary --I---RED wire
- Pole of Jack --/---!_____!---/-I (O)
- I I
- I [--I-----Pole of Switch
- I
- I--------------Pole of Switch
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- =/=\=/=\=/=\=/=\=/=\=/=\=/=\=/=> Key To Symbols <=/=\=/=\=/=\=/=\=/=\=/=\=/=\=
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- -- Wire
- I Connection or wire
- / Connection or wire
- _/ C pole of transistor --(*)--
- [_)-- G pole of transistor I
- I A pole of transistor (O) Resis
- I
- _____
- ---! Top !---
- -! View!- Primary Transformer
- ---!_____!---
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- =/=\=/=\=/=\=/=\=/=\=/=\=/=\=> Use Of The Pink Box <=\=/=\=/=\=/=\=/=\=/=\=/=\
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- Hook the RED and GREEN wires up to the appropriate terminals and hook the
- RCA jack to the output on your stereo. Turn on your stereo at a good volume.
- Now call a friend. To test the Box, hold down the switcn and hang up the
- phone. The LED should go on and your friend should hear music. If nothing
- happens, start over. The hold is shut off if you pick up a phone on that line
- or your end hangs up.
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- If you have any questions leave me mail on:
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- Cook's County BBS xxx-xxx-xxxx /1200
- The Dugout xxx-xxx-xxxx
- The Bujinkan xxx-xxx-xxxx /1200
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- Brought to you by: The Crack Crew
- Written by: Baba O'Riley
- f