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TROUBLESHOOTING & REPAIR |
T1 TRANSFORMER TEST (continued)
TEST PROCEDURE
1.Remove main supply power to the machine.
2.Using the 3/8” nutdriver remove the case
3.Locate plugs J3 and J4 on the control board. See Figure F.2.
4.Carefully apply the correct input power making certain the reconnect configuration at the input switch is correct for the input voltage applied. Turn the TIG 185 ON.
5.Using the voltmeter carefully test for the correct transformer secondary voltages per Table F.1.
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FIGURE F.2 - Plugs J3 & J4 on Control Board
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PRECISION TIG 185 CONTROL BOARD
J2
J3
J4
PIN 7 (LEAD #209) PIN 8 (LEAD #210)
PIN 3 (LEAD #204) PIN 4 (LEAD #201)
PIN 3 (LEAD #232) PIN 2 (LEAD #260)
