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The Marks 747 Intrusion Alarm
The Power Factor Controller
The Watt Watcher
30 other sections not shown
1/4-watt resistor brown 35 wvdc electrolytic 50 wvdc capacitor already connected cabinet capacitor or similar Catalog Number B1 Chapter chassis circuit board circuit or equivalent components CONSTRUCTION Description Supplier device diode DIP socket DIS1 Pin DTMF electronic foil pattern frequency front panel function fuse garage door ground headlights heatsink holes IC5 Pin input installed integrated circuit key pad lamp layout LED1 LED2 light-emitting diode linear taper message recorder MFD 35 wvdc Misc motor mounted operation orange oscilloscope output perforated board phasor Pinout plug potentiometer power factor controller power supply printed circuit board printed-circuit board Radio Shack relay Schematic diagram sets of lights shown in Fig signal silicon subcarrier Supplier & Catalog switch or similar Table telephone line telephone set terminal toggle switch transformer transistor transmitter triac tube socket voltage regulator volts volts dc watt watcher wiper wire wvdc electrolytic capacitor zener diode