((link)) Extra Quality: Schematic Diagram Nokia 1280 Free

Locate the Mic points on the board diagram. The schematic will show you exactly which coils (filters) are in line. If the filter is blown, you can often "short" it with a small copper wire to restore audio. Where to Find Free "Extra Quality" Schematics

Using the schematic, trace the LED+ and LED- lines from the display connector back to the backlight driver IC. Often, a tiny jumper (bypass) between a specific capacitor and the first pin of the LCD connector can restore light instantly. 2. Charging Not Supported / Not Charging This is a frequent headache with the RM-647. schematic diagram nokia 1280 free extra quality

A map of where every resistor and capacitor sits. Circuit Diagrams: Lines showing how parts are connected. Locate the Mic points on the board diagram