TB 9-6625-2343-40
(5) Move positive lead from TP5 to TP6 (fig. 20) and verify multimeter indicates
between -4.9 and -5.2 V dc for serial number 2305A to 2616A and between -5.4 and -4.9 V
dc for serial number 2618A and above.
(6) Move positive lead from TP6 to TP7 (fig. 20) and verify multimeter indicates
between 40.5 and 42.5 V dc.
(7) Disconnect multimeter from A10 board.
POWER SUPPLY ADJUST
Figure 20. A10 board.
(negative).
BROWN
BATTERY BACKUP THRESHOLD ADJUST
Figure 21. A13 board.
(9) Measure and record dc voltage as level No. 1.
49