Hitachi 902 - DC Power Supply Adjustment and Checks; Electrical Adjustments

14 - 1
14. ADJUSTMENT SPECIFICATIONS
14.1 Electrical Adjustments
14.1.1 DC Power Supply Adjustment and Checks
Carry out adjustment and checks of the power voltages shown in Table 14-1.
Table 14-1 Analyzer DC Power Supply Adjustment/Check Specifications
Voltage(V) Adjustment/Check Voltage Measuring Position Adjusting Trimmer
5 Adjust to 5.35 ± 0.05 V 5 V power output terminal 5 V power trimmer
12 (lamp) Adjust to 12.3 ± 0.05 V 12 V power output terminal 12 V power trimmer
15 Check -15 ± 0.8 V TP6-TP5 on DIP board −
-15 Check -15 ± 0.8 V TP7-TP5 on DIP board −
24 Adjust to 24.3 ± 0.1 V 24 V power output terminal 24 V power trimmer