artisan 8640B - A3 A4 Connector Board Assembly Backdating (Change C)

Model 8640B TM 9-4935-601-14-7&P
MANUAL CHANGES
CHANGE C (cont'd)
Service Sheet 6 (schematic):
Replace A3A4 with attached partial schematic (Figure 7-2):
Figure 7-2. A3A4 Connector Board Assembly Backdating (Change C).
CHANGE D
NOTE
See paragraph 7-23 for recommended instrument modification.
Page 6-34, Table 6-3:
Delete A26AIR16 and R17.
Page 6-36, Table 6-3:
Change A26A4C10 to 0170-0066 CAPACITOR; FXD; 0.027 UF +10% 200 WVDC.
Page 6-37, Table 6-3:
Delete A26A4R54.
Page 6-40, Table 6-3:
Delete MP59 and MP60.
Service Sheet 12 (schematic):
Delete A26A4R54.
Change A26A4C10 to 0.027 UF.
Service Sheet 13 (schematic):
Replace appropriate portion of schematic with attached partial schematic (Figure 7-3).
Service Sheet 14 (schematic):
Add a ground symbol at the junction of A13R1 and A13S2BF.
7-13
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