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MUSIC ON HOLD

     With this music-on-hold device, you can answer the phone in one room, place caller on hold, and then pick up the telephone again at another location. When you pick up the phone the second time, you automatically deactivate the music-on-hold feature and can continue your conversation.

Figure 1 schematic of Music On Hold
Components
 
Name List
Quantity
BRIDGE RECTIFIER
1
1.2 K Resistors
1
620 Ohm Resistors
1
SCR
1
Diode 1N914
1
LED
1
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