TROUBLESHOOTING AND REPAIR | ||
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TOC | TOC | T1 TRANSFORMER TEST (continued) |
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PRECISION TIG 225 CONTROL BOARD |
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toReturnSection | toReturnMaster |
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| FIGURE F.2 – Plugs J3 & J4 on Control Board |
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| J2 |
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| PIN 7 (LEAD #210) |
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| PIN 8 (LEAD #209) |
SectionTOC | MasterTOC | J3 | PIN 3 (LEAD #204) |
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| PIN 4 (LEAD #201) |
to | to | J4 |
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Return | Return | PIN 3 (LEAD #232) | |
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| PIN 2 (LEAD #260) |
TOC | TOC | PROCEDURE |
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1. Remove main supply power to the machine. |
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Return | Return | 2. Using the 3/8” nutdriver remove the case wrap- |
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around cover. |
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| 3. | Locate plugs J3 and J4 on the |
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| control board. See Figure F.2. |
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| 4. | Carefully apply the correct input power making |
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| certain the reconnect configuration at the input |
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| switch is correct for the input voltage applied. |
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| Turn the TIG 225 ON. |
TOC | TOC | 5. | Using the voltmeter carefully test for the correct |
| transformer secondary voltages per Table F.1. | ||
Return to Section | Return to Master |
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