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TROUBLESHOOTING & REPAIR |
OVERCURRENT PROTECTION CURRENT TRIGGER TEST (cont.)
FIGURE F.12 - GETTING ACCESS TO CONTROL BOARD
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TEST PROCEDURE
1.Perform Input Filter Capacitor Discharge Procedure detailed in this section.
2.Remove front panel from machine to access Control Board.
4.Turn main power ON.
5.Test for 15 VDC between leads 302 and 275D.
a. If 15 VDC is present, test is OK. Go to step 6.
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| b. If 15 VDC is not present, check Power Board |
3. Arrange wires so there is ample room to work on | and leads 302 and 275D for continuity and wire |
the board. | breakage. |
FIGURE F.13 - CONTROL BOARD TEST POINTS
302
J5 | G2527 CONTROL J1 | J2 | J4 | J3 |
