HP 5334B Service Manual page 210

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8-479. Obtain the ovenized oscillator (10811-60111), and two screws (2360-0129) as listed in the Option 010 portion
of Table 6-2 Replaceable Parts on page 6-18.
8-480. Tools Required:
Pozidriv Screwdriver
Large Pozidriv Screwdriver
NOTE
Refer to the exploded view in
Figure
6-1
when performing this field installa-
tion procedure.
8-481. Install Option 010 as follows:
a. Disconnect the power cable from the HP 5334B.
b. On the rear panel of the instrument, remove the bumper feet (MP4,W-1991), using the Pozidriv
screwdriver.
c. Remove screw (0515-0886) that secures the cover to the rear panel.
d. Using the large Pozidriv screwdriver, remove the two screws (0515-1132) on both sides of the cover.
The right side (viewing the 5334B from the rear panel) has a handle; therefore, removing these two
screws will enable you to remove the handle.
e. Now, slide the cover off the instrument's chassis.
f.
Plug the Oven oscillator into the edge connector
5204
located on the left side of the Main board
(viewing from the rear panel).
g. Secure the oven oscillator with two screws (HP Part Number 2360-0129). Insert the screws through
the standoffs and tighten; and perform the following steps (refer to A1 Main Board Component
Locator, Figure
819):
1 .
Remove 10 MHz crystal oscillator (Yl).
2.
Unsolder and remove capacitor C8 (keep
C8
for reuse in step 4).
3.
Clear solder holes at ClOO designation.
4.
Install C8 into ClOO designation and solder.
5.
Now, power the 5334B ON. Leave power ON for at least 20 minutes to allow the oven oscillator
to warm up.
6.
After 20 minutes warmup, calibrate per specifications.
h. Finally, reinstall the cover, handle, and rear panel feet by performing the following steps:
1 .
With rear of the instrument facing you, attach the cover to chassis. Place as far to front frame as
is possible. Line up the holes for the bumper feet on the rear.
2.
With right side (viewing from rear) up, lay strap handle assembly (MP14, 05060-9802) along the
center groove of side of top cover.
3.
Place front handle cap (MP12, 5041-6819) over strap handle on end toward front frame. Hand
start screw.
HP 5334B
-
Service
Manual
8-90

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