Tektronix CSA 803C Marine Radio User Manual


 
Adjustments
Adjustment Procedures
5Ć10
ăStep 3:ăAdjust the +5.2 V Ref, R800, on the A2A2 Control Rectifier
board to +5.20 V.
ăStep 4:ăRemove the Digital Voltmeter leads from the test points.
ăStep 5:ăSet the rear panel PRINCIPAL POWER SWITCH to OFF.
ăStep 6:ăDisconnect the CSA 803C from the power source.
ăStep 7:ăRemove all test leads and the TP830/831 shorting strap.
ăStep 8:ăReplace the Power Supply module using the instructions in the
Maintenance Section.
ăStep 9:ăSet the rear panel PRINCIPAL POWER SWITCH to ON, and the
front panel ON/STANDBY switch to ON.
TP221
R800
+5.2 V
REF
TP701
TP831
TP830
Figure 5Ć2:ăA2A2 Control Rectifier Board Test Point and Adjustment Locations