Fluke 540B - Page 72

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~ROM 1<:'E.LA..Y
C.ca.J1'ROL C.\'KCU!T
P80 t
: OC T R A. I-.l. S~ER
,_../ \oc SEAR C I-( f
/~ S O l E. l o ~ F
"-... ~O E / 6.r_ SE ARCI-t
''-._ w_ r RAN~ ; ~ R
C70 \ . R"'iC~_.
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O N 01S A8LE.
... 0. 7S V S UPPLY
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3
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CHANGES:
<!) C608 was added at S/ N 476 and on .
® For S/N 619 and on:
f O R E: L A.'< CON'tRO\..
G IRC.\.J\T
TO ( - } METE.R
).,JPUT
1' 0 < • ) ME.T ER
\ '-tPt,;T
~ 0 ~E~ QC4 .l..M~
l t>.I P U'i
1'0 PQCT£.;CT IC+-l
A.MPL ! ~ PUT
C601 was factory selected.
C602 was 820 pf .
C603 was 80 to 480 pf variable.
C606 was 2200 pf .
C607 was 80 to 480 pf variable.
N OTES:
1.
2.
3.
4.
5.
U nless otherwise indicated, resis-
ta nc es are in ohms and all capacitances
are in micro-farads.
Indicates Internal Adjustment.
Ind icates factory selected part --
Nominal value may be shown.
In dicates 13 . 5V supply co m mon
I Indicates common ground connection
con ne cted to the chassis at the front
panel. Before S/ N 259 these points
were connected directly to the chassis.
REFERENCE DISIGNATIONS:
C501-
520, 601- 608, 701, 801
CR501-506
DS6 01
J8 01- 806
K7 01, 801
P80 1
R502-5 2 9, 601-602, 701- 706, 802
8501, 801-803
TC 801
F U NCT I ONAl,. SCHEMATIC
MOOEL A54-2
VO LTAGE PLUG·I N UNIT
MODEL A54-2 SER. NO. 339&ON
!FLU KE f JOHN FLUKE MFG. CO. .. INC.