Download Service Manual: HITACHI_PLASMA_42PD4200

MultiBoard PIC Trainer is a plate trainer multipurpose designed in modular form inspired by the creations of RedPic – picmania.garcia-cuervo.net , Nocturno – www.micropic.es and Ariel Palazzesi – www.ucontrol.com.ar Source: Sergiols

Circuit test to turn a LCD controller based on NEC ?PD7225G. The microcontroller used is an ATmega48 in DIP package. Source: Emilio Ficara

Download: TV Repair Tips

The purpose of this timer is to provide a countdown time from 1 second to 99 minutes & 59 seconds. I use it to control the lighting for the Ultra-Violet exposure of photosensitive PCB material. The project provides also an audible alarm at the end of the countdown time and switches the UV lights by [...]

The device consists of six LED matrix displays 8x8px, so that the overall resolution of the display is 48x8px. Do LED display text can upload a maximum of 128 characters long, that gradually the entire dump gradually slid characters left. Loading text is done using a PC via the serial interface RS-232. Source: svetelektro

Download: Sony-KV-2182

In Figure we can see a general outline of the preamplifier. La señal de entrada se aplica a la primera etapa compuesta por el circuito integrado U1, TL071 y los componentes asociados. The input signal is applied to the first stage comprises the integrated circuit U1, TL071 and associated components. La ganancia de esta etapa [...]

Download: Pic Multi Calculator

Here is the description a 32 outputs MIDI able to switch relays, electromagnetics devices… in order to automate a mechanical musical instrument, or command lights… Principle: MIDI datas from a musical instrument equipped with an MIDI output or from a sound card of a computer  are analyzed by the software present on the PIC 16F84. [...]

Download:Service Manual BEKO LCD LC Chassis