microphone problem solution

number 1
»check with manual setting

number 2
»check head phone marking

number 3
»microphone check or change

number 4
»clean tips and cooltesting
then given 3 answers

answer a
»open conditions
no reading
then
number 1
»check tips with connectivity

number 2
»check carier with connectivity

number 3
»check track with cooltesting

number 4
»working IC hit replante change
HRC

answer b
»conditions short
100% reading
then
*only cooltesting with output tips

number 1
»washer protector disconnect
then check output tips with cooltesting

»then carier disconnect

number 2
»check tips with cooltesting

number 3
»check track with cool testing

number 4
»working IC HRC
Hit replant change

answer c
»conditions ok

number 1
»microphone change

number 2
»microphone IC change or jumper

number 3
»washer protector disconnect

number 4
»check call time voltage
answer 2 voltage ok or no voltage
then

* no voltage solution

number a
»track washer disconnect

number b
»carier change

number c
»working IC HRC

* voltage ok solution

number a
»check tips mic p mic n

number b
»check carier or change

number c
»check track

number 5
»check solution with Google search

number 6
»working IC HRC
hit replant change