User guide

TM-428 Page 26 Miller Legend
6-7. Voltage Regulator Board PC2 Testing Information Prior To Serial No. KE604176
Ref. ST-800 698-A / SA-099 497-B
Be sure plugs are secure before
testing.
See Section 6-8 for specif -
ic
values during testing.
1V oltage Regulator Board PC2
2T erminals A Thru G
T est Equipment Needed:
1
2
6-8. Voltage Regulator Board PC2 Test Point Values Prior To Serial No. KE604176
PC2 Voltage Readings
a) Tolerance –
±10% unless
specified
b) Reference
– to circuit com -
mon (lead 33) unless noted
Receptacle Value
A Circuit common
B 18 volts ac input with respect to pin A
C 18 volts ac input with respect to pin A
D Circuit common
E 130 volts ac input with respect to terminal G at power/idle rpm
F 55 volts dc output with respect to terminal D at power/idle rpm
G 130 volts ac input with respect to terminal E at power/idle rpm