If your G730 has a "black screen" but still vibrates, check the backlight driver section. Look for the and the associated coil/diode. 3. Charging Logic
What is the (No power, no signal, or charging error)? Do you have a multimeter to check the voltage rails? huawei g730 u00 schematic diagram pdf patched
If you'd like, I can help you troubleshoot further if you tell me: If your G730 has a "black screen" but
Direct Emmc connection points for dead boot repair. huawei g730 u00 schematic diagram pdf patched
Highlights of the primary (VBAT) and secondary (VCC) power lines.