ViewSonic Q9b-1 User Manual

How to Repair the Optiquest Q9b 19” Computer MonitorIntroThe Optiquest Q9b 19” monitor is made by Viewsonic. Optiquest is their cheaper line. Cheap m

Steps1. Remove the plastic shielding on the back of the monitor that covers the screwed holding on the stand. This should come off easily by squeezin

4. Remove the back casing of the monitor. The casing will still be connected to the monitor by a computer speaker connector since this model has buil

7. Under the metal shielding is a yellow circuit board. This is the power inverter board. This is the circuit board requiring repair. Using a Phill

9. Now, take note of the 3 capacitors that need to be replaced. They should look swollen and bulging at the top where the metal is exposed.10. On the

11. Heat up the soldering iron and get the fresh solder ready. Once the soldering iron is hot, apply some new solder to the old solder holding on the

14. Below is the type of capacitor needed. The only place in most locations that have them on hand is RadioShack. However, the capacitors can also be

16. Apply hot solder to the underside of the circuit board to hold in the new capacitor. Once again, be careful to not touch and burn the circuit boar

20. Plug the cables back into the circuit board as marked earlier with the marker. Make sure the side of the plug with the dot is facing up.21. Replac