FLY VK3100, Руководство по обслуживанию, Страница: 62 / 84

VK Quality Group GSM C/S
☞
☞
Charging Trouble
Charging Trouble
STA
RT
.
Re-
download
S/W
EN
D
CAS
E 2
CAS
E 1
N
O
N
O
N
O
N
O
N
O
N
O
N
O
Y
E
S
Y
E
S
Y
E
S
Y
E
S
Y
E
S
Y
E
S
Y
E
S
The battery
pack Is well
contact to the
phone?
Charging
is
Not
networkin
g
When
CHG_IN
5V then
Q501 3pin is
HIGH?.
When Q501
3pin
Is High then
Q501
1,2,5,6pin is
High?
The battery
Voltage is
between
3.4V~4.2V?
When Q504
1pin
Is High then
Q501
3pin is
LOW?
TA,CLA,DTC
Voltage are
equal to
5.2V/400mA?
J404
connector
Is well
soldered on
The PCB
Reasse
mble
Battery
pack
Check
Battery
pack
Check one
of
TA,CLA and
DTC
Re-mount
J404
Replace
Q504,
Q502
Replace
Q501
Check
U502