OK? No
Replace a known good modem
Test
OK? No
8.12 Modem Test Error
An error occurs when run the modem
MODEM Test Error
1.Check if the driver is installed properly. 2.Check if the notebook connect with the
phone LAN properly.
8050D N/B Maintenance
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| Troubl shooting |
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| Secret |
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| Check following parts and signals: | ||
Yes | Correct it. | Document |
| ||
| Parts: | Signals: | |||
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| ||||
| MiTac |
| J717 | +5V | |
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| J715 | +3VS | |
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| U726 | +3V | |
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| R1132 | ||
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| Replace | MONO_OUT | ||
|
| C937 | |||
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| ACSDOUT | |||
| Motherboard | R498 | |||
| ACRST# | ||||
Confidential | L69 | ||||
ACSYNC | |||||
R1120 | |||||
ACBITCLK | |||||
R1131 | |||||
|
|
| L724 | ACSDIN1 | |
Yes | Correct it. |
| F2 | MODEMP | |
|
|
| MODEMN | ||
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