Following DV7 circuit paths
If interested in finding the power paths for the DV7 here is an animation for these models. here is an animation for techs to trace those paths more clearer. Click here
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DV7 Power On By Pass (version 1) - TIP
For the older version of the DV7 you can bypass having to connect the power panel by shorting PIN 9 to ground, this will turn on the unit. Saving wear and tear on the ribbon cable and connector. This model was a DV7-1150US
DV7 Power On By Pass - TIP
The DV6000 and DV9000 series has a bypass jumper that you can short to turn on the unit without having to connect the power on button. Now the DV7 also has a method also. this way you don't have to disconnect from the frame and makes it prone to breakage or scratching the plastic.