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| Troubleshooting |
| Symptom Charts/Video (Continued) - 12 | |
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| Video (Continued) |
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Backlight doesn’t | 1 | Check cables. | |||
operate | 2 | Check display cable, inverter board, interconnect board, | |||
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| 3 | daughterboard, and motherboard connections. | |
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| Replace inverter board. | ||
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| 4 | Replace inverter display cable. | |
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| 5 | Replace interconnect board. | |
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| 6 | Add shim to display cable. Refer to Additional Procedures. | |
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| 7 | Replace display cable. | |
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| 8 | Replace FSTN display (all repairers) or replace active- | |
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| 9 | matrix display (CPRC/ international repairers only). | |
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| Replace daughterboard. | ||
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| 10 | Replace motherboard. | |
