TB 9-4931-702-50
the main PCB board A3 (fig. 3). When reporting those
adjustments, the component designator must be prefaced
with supply number begin adjusted.
For example: if
working,, with supply No. 1, report supply No. 1 R5; if
working, with supply No. 3, report supply No. R5.
(6) Adjust supply No. 1 "CAL" control (R13, fig. 3) to obtain null on null detector
(R)
