
8050D N/B Maintenance
8.1 No Power
When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up.
P32 | PF1 | PD702 | P32 |
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| U11 |
| P25 | Q13 | P25 |
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Power In | PWR_VDDIN |
| VDD5 |
| VDD5S |
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PL1 PL2 |
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PJ 701 |
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PR701 |
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| F3,U13 |
| P25 |
| Q48 | P25 | Q51,L71 |
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| VDD3_AVREF | VDD3 |
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| P32 | PQ701 | PD704 |
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PD713 |
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| Secret | Q43 |
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| PD703 |
| P32 | JS704 | PL703 | P27 |
| JS711,JS713,JS715 | P24 | U707,Q701 |
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| ADINP | DVMAIN PU2 | PU702 |
| +3VS L706,L707 |
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PF703 | PL708 |
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| PL701 | PR711 |
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| L743 |
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| MiTac |
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PU7 | PQ707 |
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PL710 | PD709 |
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| P24 |
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| PQ704 |
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| PL702 | P27 |
| JS718,JS719,JS721 | U701 | L702 | |
| P33 |
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| +5VS P | +5VS | ||||||
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| PD704 |
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Charge |
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| PR707 |
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P32 |
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| PU701 |
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| Discharge |
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| U705,L708 |
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| Battery |
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| U704,L70 3 |
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| NOTE:. |
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| L704,Q10 |
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P27 | Page on M/B board circuit diagram. |
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P25U6
VDD3S
P25
L746
+3V
P25
+PHYVDD
P15
+VCC_USB_0
+VCC_USB_1
+VCC_USB_2
P25
U728
+5V
U18
P25
VDD1.5
P18
1394_AVCC
P17
+CARD_VCC
P20
VA
PU3,PU9,PU10,PU11
P31
+VCC_CORE
PU12,PU13,PL711,
PD718,PR740
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