This document is a precursor to ALL the electronic pinball repair guides on this web site. It describes the general approach to repair, and what basic skills and equipment are needed to do general pinball and printed circuit board (PCB) repair. Updates of this document are available athttp:/...
A working model, the design replicated a circuit board demonstrating how various different elements work – the wind turbine powering the batteries, which stored power until the display read 'full', activating the neon lights and finally the light box revealing the Discovery logo. 32. BBC World ...
Circuit electronics in the car are designed to display the speed either on a digital screen or on a typical analog system with a needle and dial. Speedometer Calibration All speedometers must be calibrated to make sure the torque created by the magnetic field accurately reflects the speed of ...
Printed wiring board manufacturer's recognition mark. Consists of a unique UL recognized manufacturer's logo, along with a flammability rating (solder side). China RoHS/Environmentally Friendly Use Period Logo: This is an example of the symbol used on Intel NUC Boards and associated collateral. ...
3-8 SBC-845D-VEA Single Board Computer User's Guide ä Clear CMOS Operation The following table indicates how to enable/disable the CMOS Clear Function hardware circuit by setting jumpers at their proper positions. JP1 1-2 Short 2-3 Short FUNCTION Clear CMOS Disable _ Clear CMOS Enable ...
I'm still confused on how to call a pin within code. Based on the second and third comment of this thread the pin #'s are the same on the left and right of the board. When I want to call a pin number in code what am I supposed to use?? For example ...
CP2500 255.85 ABORT RESET COM 1 222.25 P M C FIGURE A-1 Physical Dimensions of the Netra CP2500 Front Panel A-4 Netra CP2500 Board Installation and Technical Reference Manual • March 2007 160.0 +0.00 -0.30 mm Circuit board width 233.35 +0.00 -0.30 mm Circuit board length FIGURE A-2 ...
After verifying the rest of the devices in the circuit, I could not figure out what was wrong. I took another look at the schematics and figured out how the 555 timer was used as some sort of loop back circuit which stepped up the HV. Everything in the circuit checked out, so I ...
15. Install and solder D12 {1727-4231-1-ND, 24 volt Zener} - make sure banded end is installed correctly as shown on the printed circuit board. This installs very near D10 and D11. 16. Install and solder diode D13 {1N4742AFS-ND, 12 volt Zener, 1N4742 marking} - make sure ...
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