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Chapter 6 Backdating
Backdating Hardware
Assembly-Level Service Guide 6-5
6
b. Connect the negative lead of a voltmeter to the white wire
connection (GND) on the connector of the two-wire cable, and
connect the positive lead to the gray wire connection (
−
9V) as
shown in Figure 2-10.
Verify a reading of
−
9.0 ± 0.45 V.
Page 5-7, Table 5-3. HP 53131A/132A/181A Replaceable Parts:
Change A6 Options 001, 010, and 012 Timebase Support Board from
53132-60016 to 53132-60008.
Change A6 Option 010 Oscillator-Oven from 10811-60160 to
10811-60111.
Change A6 Option 012 Oscillator-Oven from 10811-60260 to
10811-60211.
CHANGE 4 (Series 3710A to 3705A)
53132A Only (Firmware Revision 3646A to 3546A)
Page 2-41, Table 2-2. HP 53132A Assembly Identification:
Change A1 Motherboard part number from 53132-60014 to
53132-60001.
Page 5-7, Table 5-3. HP 53131A/132A/181A Replaceable Parts:
Change A1 Motherboard (53132A) part number from 53132-60014 to
53132-60001.