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TROUBLESHOOTING & REPAIR
T4 AUXILIARY TRANSFORMER TEST (continued)
FIGURE F.6 – STT ON ITS RIGHT SIDE
MOUNTING
BOLTS (5)
7. | Carefully lift and tilt the Invertec STT | 9. Carefully slide out and support the lower tray |
| machine onto its right side. See Figure F.6. | assembly for testing purposes. |
8. | Using the 7/16" wrench, remove the five | 10. Locate and remove plug J13 from the |
| bolts holding the lower tray assembly to the | IGBT drive board. See Figure F.7. |
| case bottom. |
|
FIGURE F.7 – PLUG J13 LOCATION
IGBT
DRIVE BOARD
PLUG J13
T4 AUXILIARY
TRANSFORMER