How to Read a Schematic - learnkfun The most fundamental of circuit components and symbols! Resistors on a schematic are usually represented by a few zig-zag lines, with two terminals extending outward. Schematics using international symbols may instead use a featureless rectangle, instead How to Read Schematics: 5 Steps (with Pictures) - wikiHow Click to view12:11May 11, 2011Schematics are the maps that provide guidance on the functioning, assembly and service of an electronic circuit. Without a schematic, only an undocumented mass of components and wires would be presented to 85%(176)Views: 171K1. Read schematics in the pattern that you would read text. With rare exceptions, schematics should be read left to right and top to bottom. The si..2. Understand the electronic language. There will be a variety of schematic symbols on the schematic that represent real world devices and wires. A..3. Find the correlation to all real parts. Refer to the bill of materials for the circuit to find the values of capacitors and resistors, and the m..4. Determine the circuit tasks performed by the active devices. To determine the circuit tasks, acquire and read the manufacturer's data sheet for..5. Evaluate what the circuit does. Based on the schematic, decide what parts of the circuit are performing what functions. This will help you deter..