Essay on Development of Lcd Computer Monitor Trainer
LUIS D. DULNUAN JR.
TECHNOLOGICAL UNIVERSITY OF THE PHILIPPINES CAVITE CAMPUS
INTRODUCTION The idea behind the development of an LCD Computer Monitor Trainer is to have an instructional material in teaching troubleshooting skills and repair of LCD monitors. Compared to a conventional LCD monitors, the trainer provides easy access to the different parts of the monitor particularly the printed circuits boards (PCB). To prevent accidental short-circuits and for safety purposes, test points were provided where voltages can be measured using a voltmeter or oscilloscope, without going to the printed circuit boards. In addition, simulation switches were also included in the design to …show more content…
Figure 2. Isometric drawing
Figure 3. Top view of the LCD circuit boards
Figure 4. Top view of LCD panel
Table 1. Bill of materials Qty. Unit 1 1 2 1 2 2 30 15 2 1 20 12 3 6 10 10 1 1 Pc. Pc Pcs. Pcs. Meter Meter Pcs. Pcs. Meter Meter Pcs. Pcs. Meter Pcs. Pcs. Pcs. Pcs. Pc. Specifications 17-inch LCD Monitor w/ VGA input and CCFL backlight Synthetic leather attaché case 49 cm x 37.5 cm x 13 cm (LWH) Pre-cut acrylic panel (appendix C) 1 ½ x 2 ft Flexy board 1-inch L-type Aluminum bar ½ x 1 inch hallow Aluminum bar Rivet bolt 1x 1/8 inch stainless screw AWG # 20 stranded wire AWG # 16 stranded wire Mini binding post Hook-up post Solder Sand Paper # 800 Tie Wrap Cushion sticker AC Cord 0-50V DC Voltmeter Unit Total