Hytera PNC550 - GPS;WLAN;BT Circuit

B9
Troubleshooting Flowchart
35
6.1.13 GPS/WLAN/BT Circuit
Rep la ce the spr ing pla te.
Are the com pone nt s
be twee n t he an ten na con ne ctor and
spri ng pla te normal ? [4]
Re-sold er or r eplace the te st
con ne ctor .
Replace the antenna bracket.
No
Yes
Yes
Yes
Yes
No
No
No
Is t he anten na bracke t n ormal? [1]
Are the antenna spring plate
ANT7 an d ANT8 normal? [2]
Is the main antenna
test connector J17 00 normal?
[3]
Re-sold er or r eplace the
comp one nt s.
Are the te st
meth ods, to ols, an d envir onme nt
normal? [
5]
Cha nge th e test me tho ds, to ols,
an d envir onme nt.
No
St art
EndRep la ce the main b oa rd .
Yes
Description of normal situations:
[1] The etched pattern on the antenna bracket is clear and without scratch. The antenna bracket is in good
contact with the spring plate.
[2] The spring plate has no breakage, and is flexible and soldered properly.
[3] The test connector is soldered properly. When the cable is not buckled, the multimeter can be used for
measurement. Both ends are connected.
[4] The components are soldered properly without damage.