COMPONENTS |
| TEST PROCEDURES |
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| RESULTS | ||||||
| Measure the resistance between terminal | When | When not | ||||||||
| pins of connector KEY CONNECTOR. |
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| Resistance | touched | touched | ||||||||
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| value | Less than | More than | |
| When reconnecting the FPC connector, | ||||||||||
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| 400 ohms 1 mega ohm | |||||||||
| make sure that the holes on the FPC |
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| connector are properly engaged with hooks |
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| on the plastic fastener. |
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| FPC CONNECTOR | |||||
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| MATRIX CIRCUIT FOR |
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| Top |
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| TOUCH KEY BOARD |
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| CONNECTOR(KEY CON) |
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| 1 | |||||
TOUCH KEY |
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| 2 |
| 1 | 2 | 3 | 4 | 5 |
| 6 | 7 |
| 3 | |
BOARD |
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VENT |
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| TIME |
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| N.C | N.C | N.C |
| 5 | 0 |
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| 5 | ||
| HI/LO/OFF |
| COOK |
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| 8 |
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| 6 |
| LIGHT | CUSTOM | N.C | N.C |
| AUTO | 6 | 1 |
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| 7 |
| HI/LO/OFF | SET |
| DEFROST |
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| 8 |
| LESS | CLOCK | N.C |
| KITCHEN | 7 | 2 |
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| 9 | |
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| TIMER |
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| 10 | |||
| 10 |
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| CUSTOM | LIGHT | N.C | N.C |
| POWER | 8 | 3 |
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| 11 |
| COOK | TIMER |
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| LEVEL |
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| 11 |
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| 9 | 4 |
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| TURNTABLE | STOP | START | N.C |
| HOLD |
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| ON/OFF | CLEAR |
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| WARM |
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| 12 |
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| MORE | SENSOR | SENSOR | SENSOR |
| SENSOR | SENSOR | SENSOR |
| Figure 28 |
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| PIZZA | POTATO | POPCORN |
| VEGETABLE | REHEAT | COOK |
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| 13 |
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| Figure 27 |
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| Normal: Approximately |
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| BK~RD: 4.5~6.2 Kohm |
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| RD~WH: 2.0~3.5 Kohm |
SENSOR |
| BK~WH: 2.0~3.5 Kohm |
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(For sensor model only) |
| Abnormal: Infinite or several. |
1 | BK | |
2 | RD |
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3 | WH |
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Figure 29 |
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