User Guide
NHM-10 Company Confidential
RF Troubleshooting CCS Technical Documentation
3DJHE &RS\ULJKW1RNLD&RUSRUDWLRQ ,VVXH
&RPSDQ\&RQILGHQWLDO
WKDWWKH3$LVQRWRXWSXWWLQJHQRXJKSRZHUVRLWWULHVWRFRPSHQVDWHE\LQFUHDVLQJWKH
JDLQ
:KHQFKHFNLQJWKH3RZHU&RQWUROORRSPDNHVXUHWKDW9%'LVSXOVLQJDW93HDNWR
3HDN&KHFNWKH'(7SXOVHDW0MRHOQHULQSXWRQ5
7KLVFDVHLVWKHVDPHIRU3&6
1+06\QWKHVLVHU
7KHUHLVRQO\RQH3//V\QWKHVLVHUJHQHUDWLQJIUHTXHQFLHVIRUERWK5[DQG7[IRUDOOWKUHH
EDQGV9&2IUHTXHQF\LVGLYLGHGE\RUE\LQ0MRHOQHUGHSHQGLQJRQZKLFKEDQGLV
DFWLYH
*HQHUDOLQVWUXFWLRQVIRU6\QWKHVLVHUWURXEOHVKRRWLQJ
&RQQHFWWKHWKHSKRQHWRD3&ZLWK'$83FDEOHDQGGRQJOHDQGIROORZWKHVHLQVWUXF
WLRQV
6WDUW3KRHQL[6HUYLFH6RIWZDUHGRQJOHQHHGHG
6HOHFW 6FDQ3URGXFW &WUO5
:DLWXQWLOSKRQHLQIRUPDWLRQVKRZVLQWKHORZHUULJKWFRUQHURIWKHVFUHHQ
6HWRSHUDWLQJPRGHWRORFDOPRGH
Is RF Signal
at V801 OK?
Is DET Pulse
on C805 OK?
Replac
e
L801
Is DET Pulse
on C804 OK?
Replace
V801
Replac
e
R802
Eunsure that VBD
is pulsing 2.8V
Pk - PK and
investigate Mjoelner
NOYES
NO
YES
NO
YES
Are R706, R707
& R708 OK?
Replace Faulty
Components
NO YES
Test With
Spectrum
Analyzer
Test With
Oscilloscope
Check /
Inspect
End
Action
KEY










