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宏達國際電子股份有限公司 HTC Corporation
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| Excalibur MB Repair Guide | PAGE : 11 OF 16 | |||||
機種 | 料號 | 文件編號 | 製 作 | 李文騰 | ||||||
MODEL | P/N | Doc NO. | Initiator | Wenteng_Lee | ||||||
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站別 | Repair Center | 作業名稱 | M/B Repair Guide | 發行日期 | 2008/11/13 | 版本 | AX03 | 備註 | III.Excalibur series | |
STATION | Operation | ISSUE DATE | REV: | Remark | failure MB debug | |||||
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3.2 Audio Problem
U1
OMAP850
Problem verify and check as below
Check AUD_MIC_BIAS
Check AUD_INT_MICP1
Check AUD_INT_MICN1
Check AUD_SPK_P1
Check AUD_SPK_N1
MIC1 | U3 | ACON2 | Check AUD_RECE_P1 | ||
Receiver | TWL3027 | Receiver | Check AUD_RECE_N1 | ||
ACON1 | AU1 | Check V_2V85 |
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Check AUD_HP_EN |
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| MAX4411 |
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Speaker |
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Check AUD_HPL |
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| Check AUD_HPR |
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| Check AUD_HPL2 |
| Check AUD_HPR2 |
CON15 | Check CON15 Component |