Lenovo S930 Manual de servicio - Página 20
Navegue en línea o descargue pdf Manual de servicio para Teléfono móvil Lenovo S930. Lenovo S930 33 páginas.
También para Lenovo S930: Manual de inicio rápido (6 páginas), Información importante sobre el producto Manual (20 páginas)
Imprimir página
LENOVO S930 Cellphone Service Manual
3.7 Device will not turn on.
Device will not
turn on.
Check whether the power-on key is soldered
properly or has a dry joint problem?
Is there a big current when power supply of
motherboard is the phone's only power
source?
Can U2104 work properly at the
frequency of 26MHz?
Can X1301 work properly?
Replace main chip U1201.
N
Y
N
N
Y
N
Y
Page 20
Y
Re-solder.
Motherboard is damaged.
Replace motherboard.
Troubleshoot the faulty
board.
Repair soldering,
and try again.
Repair soldering or
replace X1301.