
| No | Symptom | Procedure | |
| 
 | 
 | • Ensure that the signal cables and source work as well. | |
| 17 | SD Card/ USB flash | • Check Main Board | |
| disk Function Failed | |||
| 
 | • Check Daughter Board | ||
| 
 | 
 | ||
| 
 | 
 | 
 | 
| P3150/P3250/P3150 Refresh/P3250 Refresh/P3251 | Confidential | 
3-

| No | Symptom | Procedure | |
| 
 | 
 | • Ensure that the signal cables and source work as well. | |
| 17 | SD Card/ USB flash | • Check Main Board | |
| disk Function Failed | |||
| 
 | • Check Daughter Board | ||
| 
 | 
 | ||
| 
 | 
 | 
 | 
| P3150/P3250/P3150 Refresh/P3250 Refresh/P3251 | Confidential | 
3-