Backdating - Agilent Technologies 6571A Service Manual

Backdating

Manual backdating describes changes that must be made to this manual for power supplies whose serial numbers are lower
than those listed in the title page to this manual.
Look in the following table and locate your Agilent Model. Then look at each serial number listed for this group. If the
serial number of your power supply is prior to any of the serial number(s) listed, perform the change indicated in the
Change column. Note that, several changes can apply to your supply. You may also be instructed to update your power
supply if certain components are being replaced during repair.
Note
: For all Agilent Models, make changes 26 through 34 and change 36.
Serial Numbers
Model 6571A
3206A 00103
3222A 00118
3222A 00123
All
3635A 00143
Model 6572A
3203A 00103
3203A 00108
3216A 00123
3422A 00138
3626A 00218
3635A 00223
Model 6573A
3204A 00103
3223A 00113
3223A 00133
3432A 00143
3620A 00208
3633A 00220
Model 6574A
3208A 00103
3230A 00113
All
3423A 00183
3423A 00258
3620A 00303
3634A 00323
Change
8,9
7
14
17,19,22,37
39,40
8
7,9,10,11
14
37
39
40
8,9
7
14
37
38
39,40
6,8,9
7,14
22
37
38
39
40
Serial Numbers
Model 6575A
3209A 00103
3220A 00108
3242A 00118
3423A 00163
3423A 00208
3622A 00238
3634A 00268
Model 6671A
3125A 00168
3129A 00183
3145A 00233
3203A 00273
3215A 00323
3236A 00388
3236A 00428
All
3624A 00578
3639A 00601
Model 6672A
3138A 00101
3149A 00120
3217A 00131
3235A 00151
3235A 00201
3347A 00256
All
3621A 00561
3632A 00603
A
Change
8,9
6
14
37
38
39
40
1
13
2,3,4
9
7
12
14,35
17,19,20,21,22,
23,24,25,36
39
40
13
9
7,10
12
14
35
19,22,36
39
40
Backdating 145