HP 5501A Operating And Service Manual page 48

Laser transducer (laser head)
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A 7
C O N T R O L
B O A R D
( 0 5 5 0 1 - 6 0 2 0 5 ,
SERIES 1424)
7 -
-
- -
- -
- -
- -
-
-
-
-
-
-
-
-
- -
- -
- -
-
-
I
I
/
PZT FAULT DETECTOR
- \
I
I
+15V
PZT MON1
FROM
A I J 4 - 1 3
RETUNE CMO
FROM
A I J 4 - 8
REF OK
FROM A5-3
LASER
CATHODE
FROM
A I J4-3
+15V
FROM
J,
A I J 4 - 1 , 2
COMMON
FROM
A '
A I J 4 - 4 . 5
ERROR
TO
A I J 4 - I
I
+O .07V
RETUNE
TO
A I J 4 - 7
+O .07V
RETUNE
CLAMP
RETUNE
FAILURE
TO
A I J 4 - 9
+O .07V
LASER
CURRENT
TO
A I J 4 - I 0
+O. 07V
REF OK
TO
A I J4-14
+O. 04V
L I MONT
TO
A I J 4 - 1 2
NOTES
I. REFERENCE DESIGNATIONS WITHIN T H I S
ASSEMBLY ARE ABBREVIATED.
ADD
ASSEMBLY NUMBER TO ABBREVIATION
FOR COMPLETE DESCRIPTION.
2.
UNLESS OTHERWISE INDICATED:
RESISTANCE I N OHMS;
CAPACITANCE I N PICOFARADS
Figure
7-12A. A7
Control Board Schematic Diagram
6-5

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