ViewSonic VG181 Service Manual page 16

THEORY OF CIRCUIT OPERATION
The values of VCO range and charge pump current are shown below:
_Voornge
| oo | so |
| oo | 100
20-60
50-90
10 80-120
11 110-140
| 100 | so
| tor | 00
| ant | 1500
001
011
104
114
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