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Model 5501A
Circuit Diagrams
A 5
L O C K - R E F E R E N C E
B O A R D
(5501-60204) SERIES 1724A
RETUNE CLAMP
FROM A7-L
+15v
FROM A I J 4 - 1.2 2'B
COMMON
FROM A I J4-4.5
5 ' E
-15V
FROM AIJ4-20.21
6
+5v
FROM A7-2.8
F
NOTES
I.
REFERENCE DESIGNATIONS WITHIN THIS
ASSEMBLY ARE ABBREVIATED. ADO
ASSEMBLY NUMBER TO ABBREVIATION
FOR COMPLETE DESCRIPTION.
2 UNLESS OTHERWISE INDICATED:
RESISTANCE IN OHMS;
CAPACITANCE IN PICOFARADS
3. FOR BOARDS WITH SERIAL PREFIXES
1424A AND ABOVE R 4 2 IS A IK OHM
POTENTIOMETER.
I N T OUT
PZT CON
TO A I J 4 - 1 9
REF OK
TO A7-K
REF
TO A I J4-15
-
REF
TO A I J 4 - 1 6
Figure 7-9. A5 Lock Reference Board Schematic Diagram
7-15
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