Lenovo S960 Instrukcja serwisowa - Strona 35
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It
N Y Y Can't
Keys
N You can't
You can't be
doesn't
can't
take
N Y Check
OK
Check
Y N N Check
Y N Motherboard
Check
Check to see
OK
N N N Y N N OK
Y Y Y N Y Device will
Y Can
OK
N Repair
Check
N Replace
Replace the
N Check U201.
OK
OK
Is there a big
Y Replace
Y N Is the front
Re-solder.
Does
Y Check
Is the front
Replace the
It does not
Y Repair
Y N N N Check
Replace
Y LCD
OK
Check
Check
OK
LEDs
Check
Keyboard
Y N Re-solder.
Replace
Replace the
Check
Test
OK
Y Check
OK Replace
The
Y Replace the
Y OK
Y N OK
Are
N Replace the
Y OK
N Y Repair
Replace
OK
N OK
Check
Replace the
It shows the
Replace
N Re-solder or
It does not
Y N Check
N Check
OK
OK
N N OK
Y Y Y N OK
N Y Replace the
OK
Re-solder or
Y Replace the
Replace the
OK
OK
Y OK
N N Y Check
Y N OK
Replace
Y N Check
Check
N Check
Replace the
OK
Y Replace the
N Y OK
Y
N N OK
Replace
OK
N N Replace the
Y Check
Dissemble
OK
OK
Screen is
Some
Replace
Replace
U613
using
front
the
the
the
the
the
the
the
the
the
the
the
are
of
them
camera can't
don't
solder joints
main
whether key
receiver.
whether the
camera
front camera
whether the
charging
replace
solder joints
soldering,
front camera.
components
U201.
photos.
battery.
solder joints
replace
whether the
battery.
backlight
solder joints
hear
U201.
U201.
solder joints
whether MIC
show
work
charger.
the
charger.
whether the
whether
LCD
the
is damaged.
keyboard
current when
solder joints
LCD
spring
earphones. If
camera
U201.
whether
damaged.
whether the
U201.
ring.
soldering,
chip U201.
solder joints
motor. Check
microphone.
whether the
heard by the
U801.
whether the
vibrate.
not turn on.
backlight
Camera
whether
speaker.
work
solder joints
soldering,
solder joints
blank.
battery
unit.
chip
pins
the
the
doesn't light
doesn't light
there's sound
Check
and try again
of
person
indicator.
and
of
have a dry
take photos.
Check
main
Check
U201.
light
of
of U201.
normal?
and
audio power
properly
Retry to see
U201.
whether the
charging
output of the
properly.
solder joints
position
connections
light up?
and
person
EMI
Retry to see
module.
U201.
correct
of
Replace
of B403 and
of U201.
and
Check
and
module.
module.
EMI
of
normal?
of the Power
of
power
connection
Check
of
Replace the
modules
X0201,
chip
you
the
the
the
the
the
try
try
try
try
of
at
LENOVO S960 Cellphone Service Manual
LEDs which
backlight
of the motor
up.
between FPC
again.
components
voltage
motherboard.
On
supply
of LCD FPC
components
in
whether
receiver
Check
again.
components
joint or short
the
whether
C0201
whether
problem
whether the
components
whether
again.
whether the
B404.
are
surrounding
whether the
amplifier
current-limiti
U301
up.
again.
metal dome
But
U201
components
Camera
indicator
to
you
button.
talking
and
and
see
are
the
the
of
is
is
is
it
it
it
it
battery can't
don't
light
U302.
applied
Troubleshoot
Re-solder.
of keys is
fixed.
of
circuit
whether
ng
problem
talking to.
of
are
of
damaged.
are
rings.
circuit at the
damaged?
C0202.
components
U405 has a
can
module
frequency of
Camera
whether the
can
earphones,
when charger
in
of
is
Does it have
works
to.
problem
motherboard
modules
modules
normal.
module
resistor
charge
charge
good.
LCD
LCD
Try
on
is
is
it
correct, or if
Test again.
integrated
the
dry
Re-solder
U301
need to be
properly.
fixed.
R910 has a
again.
battery
module
be
problem?
normally and
Are
is
motherboard
channel
module and
can
the positive
MIC400.
a dry joint
up.
26MHz?
U301
then there is
is
normally.
Replace it if
connectors.
fixed.
Re-install
plugged
faulty
fully
joint
their
take
and
and
can
the
on
is
it's corroded
phone's only
the battery's
U302. Repair
U302.
end
problem or is
Re-solder the
connectors
in.
Repair
re-soldered.
detached.
Re-solder.
dry
be
necessary.
and retry to
contacts
audio signal
photos.
and
charged.
motherboard
problem?
board.
FPC. Check
and negative
check
fully
joint
is
4.8 FM - search channels
Repair
charged.
their
input. Check
or sank. Lift
have
whether the
power source
soldering
voltage
see whether
component.
damaged.
correct.
soldering on
good?
backlight
problem.
on
Check
Re-assemble
solder
dry
Is
is
soldering
whether the
the module.
(connect
the
display
lower
terminals of
and
the
Repair
whether the
joint
Check
motherboard
joints. Repair
chip
the problem
Repair
Check
whole
U801
than
try
Problem: FM can't find channels.
again.
TP305 to the
and
problems.
3V.
problem
components
Check
works.
the
whether the
the
soldering or
is fixed.
normal?
whether the
soldering.
connectors.
metal dome.
are
good.
LCD
EMI
try
is
Reason: WiFi/BT/GPS/FM four-in-one chip and its surrounding circuits have soldering problems.
Reconnect
problem
Check
fixed. Check
Re-solder the
again.
related
Clean
Try again to
problem
module.
components.
replace
positive
whether
the
to
it.
is
is
it
Troubleshooting:
Try again to
fixed.
whether
whether the
can
keyboard
see whether
fix.
Re-solder.
module
them. Check
terminal, and
EMI
take
it
whether
components.
see whether
the problem
U405
can
problem
photos.
Check
with alcohol.
TP309
have
take
to
is
dry
LCD
it rings.
fixed.
photos.
whether the
Replace the
is fixed.
GND)?
joint
metal dome.
backlight
problems.
problem
is
Re-solder.
works.
fixed.
Check
whether the
problem
is
fixed.
FM can't find channels.
Does MT6628(U2306) have a dry
joint problem?
N
Does U2301 have a dry joint
problem?
N
Replace main chip MT6628(U2306).
Y
Re-solder.
Y
Re-solder.
Page 35