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How to drill in a PCB Board

PCBs or PCBs are pieces of hardware that electrical components such as transistors, capacitors, resistors and contain conversations recorded. PCBs in various electronic devices such as computers, radios, VCRs, DVD players can be found, game consoles and televisions. Most are prefabricated in mass production and bought a large amount of electronics manufacturers. If you are a board of your own design, and not to mount with epoxy glue, you can drill holes for the screws.


1. The plate on the area you want to mount. Mark the spots where the holes are for the electronic device with a fine tip marker to adjust.


2. Insert the card into a bank in an anti-static document and press the sharp tip of a drill 1mm bullet points to an indentation on the board to make.


3. Keep the plate covered with a hand in a glove anti-static. Holes in the areas pre-marked on a board with a bit of 1mm. Do not press the weight of the drill to drill holes.


4. The fine dust from drilling PCB by means of compressed air. If so, send them right on the device where it is installed to the line of eye protection.

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If servicing records show that equipment manufactured after July 2, 1979, was serviced with fluid containing PCBs, may I still assume the equipment is non-PCB?


depends on the level of PPM PCBs

and questionable equipment used to manufacture fill fluid containing PCBs after any year
at a higher than industry stds .....should be de contaminated or disposed of correctly

Aug 02, 2016 | XPLOSIV Pop Cap Games - Con/Term...

1 Answer

Under §761.30i, is use of organic liquids for characterization of the natural gas pipeline system required?


thats three similar questions

yes it should be defined and recorded in ppm
natural gas is extracted from the ground and will defiantly have organic molecules in vapour form
same goes for oils, gas, electricity ,cooling systems , water and flammables piped anywhere in the world ......
....international stds are the norm
there are check valves , filters blow pipes pressure valves and other systems to eliminate any risks built in to the pipe line network

if you are employed in the industry there should be a big book some where in the office or work place with all you local and state regs
and hotline phone numbers to guide you


40 CFR ยง761.30(I) definitions
(l) Use in capacitors. PCBs at any concentration may be used in capacitors, subject to the following conditions:
(1) Use conditions.
(I) After October 1, 1988, the use and storage for reuse of PCB Large High Voltage Capacitors and PCB Large Low Voltage Capacitors which pose an exposure risk to food or feed is prohibited.
(ii) After October 1, 1988, the use of PCB Large High Voltage Capacitors and PCB Large Low Voltage Capacitors is prohibited unless the capacitor is used within a restricted-access electrical substation or in a contained and restricted-access indoor installation. A restricted-access electrical substation is an outdoor, fenced or walled-in facility that restricts public access and is used in the transmission or distribution of electric power. A contained and restricted-access indoor installation does not have public access and has an adequate roof, walls, and floor to contain any release of PCBs within the indoor location.

Jun 17, 2016 | Smeg Repair Pcb / Module Dw1612 Dwi612c

1 Answer

no sound coming from speakers


Look for a manual for your model look for the sounds circuit from out the power supply the basic dc what is neccesary and for a possible broken fuse resistor in the sound circuit or loose soldering on active components (the components with a heatsink)
like TDA kind of IC or transistor or any component that is in the sound circuit , because heat and bad solderings kan have made the problem or deformed capacitors can caused the problem. look also for heat discoloration and bad solderings on the electric board for resistors or other places that

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Apr 08, 2016 | Televison & Video

1 Answer

I have a Bernina Sewing Machine with a Control Board that smoked


Bernina does not sell individual components for PCBs, rather they have an exchange program for the entire board. But you have nothing to lose and much money to save if you can obtain the parts and replace them yourself. You should be able to get the caps and resistors from any electronics supply.

Oct 01, 2009 | Sewing Machines

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