Racal Instruments 9916 Workshop Manual page 8

CHAPT~R
5
Fig. No.
A.l
3.1
3.2
3.3
4 . 1
4.2
4.3 .
5.1
991-6
Vol.2 .
.
.-
.'
' -
..
_..
~
( '
'-.
tMlNTENANCE
Test Equipment Required
Remova
I
of Covers
Transformer Voltage Selection
Fuses
Power Lead
AC Power Supplies Check
Resi stance Check
Supply Ran Voltages
Ripple Level
Battery Power
Suppl
ies Check
Charging Rate Checks
Battery Economy Check
Performance Tests and Ca
I
ibra ti on
Segment, Decimal Point and Sel
f
Check
Sensitivity and
Burst
Check, Channel
18
I
Sensitivity and Burst Check, Channel 'A
I
Overload lndi cator Check
Frequency Standard Check
Infernal Frequency Standard Caf ibration
LF Multiplier
Dismonding and Reassembly
Remova I of Display PCB
Removal of fvbin peB
Fitting Frequency Standard 9421 or 9442
Fitting Battery Pack 11-1289
Fitting LF Mul tipl ier 11-1255
IN TEXT ILLUSTRf\ TJON S
Data Sequence Diagram
Bosi c Frequency tv\eter
Multiplex Display
Interna( Control Sequence
-5
Volt Stabiliser
Battery Charging Circuit
Battery Power System
Voltage Selection Diagram
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5-1
5-2
5-2
5-2
5-4
5-4
5-4
5-4
5-5
5-5
5-5
5-6
5-6
5-6
5-8
5-9
5-11
5- 11
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Page
T e
ch .
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pe
c . (1 0)
3-1
3-3
3-4
4-9
4-10
4-11
5-3