Lenovo A536 Servicehandleiding - Pagina 16

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Lenovo A536 Servicehandleiding

3.4 Calling receiver sound has poor quality

Calling receiver sound
has poor quality
Measure the resistance of
receiver,
32ohm?
Check whether the contact is good
between receiver spring and contact
point. Re assemble the receiver and
whether the phone work is good.
Checks the SMT quality of bead.
Whether these parts are SMT
good? The phone is work good
after heating these parts?
Replace the codec IC
is
the
value
Y
N
N
Replace the
N
receiver.
Y
OK
Y
OK
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