HP 5245L - Page 244

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Section
VII
Figure
7-21
424
CRYSTAL
OVEN ASSY
A2s_
qvEN
CONTROL
ASSY
COARSE
FREO
ADJ
INSIDE
(-rx
to-5)
c2
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FROM
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OVEN
HEATER
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REFERENCE
DESIGNATIONS
NO
PREFIX
PREFIX
A?4
PREFIX
A25
P R
EFIX
A26
c2-4
cRr
J4
ot
ct
-
HRI
Rt-
RTI
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7
4
ct-7
cRt-8
Qr
-4
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-to
ct-27
cRt-
2
Lr
-
5
Qr
-7
Rr
-38
GROUND
PLANE
l-12
----
A5
f
--ll+
Az8(s)
l-J3+
A35
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Az7
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Iuogr
A5
A28
(3)
A35
+20v
FROM
A6
(8)
427
fl4)
iEOLtrr-
PART
OF 44
tMc
VERTICAL
5.OV/CM
swEEP
.stlS/CM
Figure
7-2L. A24, M5,
Oven
4'26
Crystal
Oven,
Control,
Oscillator
7-4r/7-42
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DELETE
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A26C2r,
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A26CR3,4
06245-
D-35ABCDE
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PIN
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NOTES
I.]
UNLESS
OTHERWISE
INDICATEO:
RESISTANCE
IN
OHMS,
CAPACITANCE
IN PICOFARADS,
2.
A26
tS CONNECTED
TO TWO
SOCKETS,
MAIN
SOCKET DESIGNATION
IS XA26-I.
END
SOCKET
(OVEN)
DESIGNATION
IS
xA26-2.
3.
ASTERISK
(t+)
INOICATES
SELECTED
COMPONENT.
4. DC
VOLTAGES
INDEPENDENT
OF FUNCTION.
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