The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.
fast and easy and exactly what I was looking for. Not the cheapest but value for money after all.
Text excerpt from page 5 (click to view)
TROUBLESHOOTING
No power Power indicator does not light up.
Connect an AC adapter into the power jack.
Does the keyboard work? No
Yes
Check contact at battery springs. Measure voltage at pin 16 of IC AN8053N. Replace D101. Is the voltage +6.8 V? No Check contact of power switch. Check contact of the power jack. Clean the switch contacts. No Is it OK? Yes Yes
