8399 N/B Maintenance
8.5 External Monitor No Display(2)There is no display or picture abnormal on CRT monitor, but LCD can normally display.
+3V |
| +3V |
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R68 | R69 | Q5 |
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2.2K | 2.2K |
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CRT_DDDA |
| 2N7002 | R420 | 33 | L15 | 120Z/100M |
12
CRT_DDCK
P7
U12 CRT_HSYNC
North
Bridge
CRT_VSYNC
CRT_RED
CRT_GREEN
CRT_BLUE
Q6 |
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2N7002 | Secret |
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| R423 | 33 |
| L18 | 120Z/100M |
+5V |
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U39 |
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74HCT1G126 |
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| R421 | 51 |
| L17 | 22P*4 |
MiTac |
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Confidential |
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U40 |
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74HCT1G126 |
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| R422 | 51 |
| L16 | 120Z/100M |
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| CP2 |
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| L12 | 120Z/100M |
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| L13 | 120Z/100M |
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| L14 | 120Z/100M |
RP2 |
| C410 |
| C411 | C412 |
| CP1 |
75*4 |
| 22P |
| 22P | 22P |
| 22P*4 |
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| +3V |
15
P11
J2
13 | VGAExternal |
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14 | Connector |
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1 |
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2 |
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3 |
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P9 |
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| R13 |
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| 10K | |
U20 | CRT_IN# | R12 | 1K |
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South |
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| C1 |
Bridge |
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| 100P |
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5
6,7,8,10
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