92
Manual Backdating
This section describes changes that must be made to the manual so that it applies to instruments with serial numbers lower
than those listed on the title page. Look in the following table for the serial number of your instrument, and make only those
changes listed for your instrument. Note that for some changes, you may be instructed to update the instrument if certain
components are being replaced during repair.
Serial Prefix
3119A
3326A
3436A
3117A
3249A
3326A
3434A
6060B
Serial Number
00101-00775
00776-01205
01206-02435
6063B
Serial Number
00101-00256
00257-00306
00307-00391
00392-01016
Changes
1 - 3
1, 2
1
1-3
1-3
1, 2
1
Change 1
Make the following changes in Table 5-3:
Change: A1 (6060B) main board to p/n 06060-60023
               A1 (6063B) main board to p/n 06063-60023
               U202 to p/n 1820-2549
               U203 to p/n 1820-3367
               U205 to p/n 06063-80002
               U301 to p/n 1820-7673
Delete:    C218, 0.01uF, p/n 0160-4832
               R222,353 10M, p/n 0699-1797
               R220 10K,  p/n 0757-0442
               R221, 300 100 p/n 0757-0401
               R601, NETWORK-RES p/n 1810-0278
               U219 IC MC74HC373N p/n 1820-2998
In Table 5-4, delete ferrite bead kit.
Change 2
Make the following changes in Table 5-3:
Change: A1 (6060B) main board to p/n 06060-60022
              A1 (6063B) main board to p/n 06063-60022
Delete: U201, p/n 1820-6045.
            U200, p/n 1820-6170.
            C601, .047uF, p/n 0160-5422.
Add: U201, p/n 1LH4-0001.
Change 3
In Table 5-3, delete R600.