8170 N/B MAINTENANCE
8.5 VGA Controller Failure Monitor No Display
There is no display or picture abnormal on monitor.
|
|
|
| +3VS | +5VS | ||||||||||
| R544 |
|
|
|
|
|
| R543 |
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
| ||||
| 4.7K |
|
|
|
| 4.7K |
|
|
|
| |||||
P10 | RED |
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
| |||
| GREEN |
|
|
|
|
|
|
|
|
|
|
|
|
| |
U516 | BLUE |
|
|
|
|
|
|
|
|
|
|
| G |
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
SDA |
|
|
|
|
|
|
|
|
| S |
|
| D | ||
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
| Q502 | |
MOBILITY |
|
|
|
|
|
|
|
|
|
|
|
|
| 2N7002 | |
HSYNC |
|
|
|
|
|
|
|
|
|
| |||||
M6 | VSYNC |
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
| G | |||||
| SCL |
|
| S |
|
| D | ||||||||
|
|
|
|
|
|
|
|
|
| Q501 | |||||
|
|
|
|
|
|
|
|
|
| 2N7002 | |||||
| F501 | D500 |
+5VS | SMDC110 | D1FS4 |
| ||
|
| DDC2B |
|
|
|
|
|
| P12 | J1 |
|
|
|
|
|
| 16 | |
L500 | 120Z/100M |
|
|
|
| 1 | Connector |
| FA500 |
|
|
| 11 | ||
L501 | 120Z/100M |
|
|
|
| 9 |
|
|
|
|
| 2 |
| ||
L502 | 120Z/100M |
|
|
|
| 10 |
|
|
|
|
| 3 |
| ||
| 3 | 6 |
|
|
| 4 | VGA |
|
|
|
| 13 | |||
| 4 | 5 |
|
|
| 12 |
|
|
|
|
|
|
| 5 |
|
| 2 | 7 |
|
|
| 6 | External |
|
|
|
| 14 | |||
| 1 | 8 |
|
|
| 7 |
|
|
|
|
| 15 |
| ||
|
|
|
|
|
| 8 |
|
|
|
|
|
|
|
| 17 |
4 3 2 1 | 4 3 2 1 | 4 3 2 1 | 4 | 3 2 1 |
| JL1 | MONITOR |
|
|
|
|
|
|
| |
CP3 | RP501 | CP501 |
|
| CP500 |
| GND_CRT15 |
22P*4 | 75*4 | 22P*4 |
|
|
| ||
|
| JL2 |
| ||||
|
|
|
|
| 22P*4 |
| |
|
|
|
|
|
|
| |
5 6 7 8 | 5 6 7 8 | 5 6 7 8 | 5 6 7 8 |
|
|
| |
155