User's Manual

M889-00
Fault Finding 5.1
Copyright TEL 02/10/95
5 Fault Finding
The following test procedures and fault finding flow charts may be used to help locate a
hardware problem, however they are by no means a complete fault finding procedure.
If the fault still exists after having progressed through them in a logical manner, contact
your nearest authorised Tait Dealer or Service Centre. Further assistance may be
obtained from the Customer Support Group, Radio Infrastructure Division, Tait Elec-
tronics Ltd, Christchurch, New Zealand.
The following topics are covered in this section.
Section Title Page
5.1 Visual Checks 5.3
5.2 Component Checks 5.3
5.3 DC Checks 5.3
5.4 RF Checks 5.4
5.5
5.5.1
5.5.2
5.5.3
Fault Finding Charts
PA
Power Control
Fan Control Circuitry
5.7
5.7
5.8
5.9
Figure Title Page
5.1 Positioning Of Test Leads For Q1-Q6 5.6