My vizio smart tv will not power on, what seems to be the problem?

Have you tried a hard reset? With the set turned on pull the power plug , wait a minute plug back in and power up, how old is this TV?might just be worn out !

What type headlamps ?
HEADLAMP (FOR USA) - XENON TYPE -..................46
HEADLAMP (FOR USA) - CONVENTIONAL TYPE -.
The headlamp operation is controlled by the lighting switch which is built into the combination switch and smart entrance control unit. And the headlamp battery saver system is controlled by the smart entrance control unit. OUTLINE NHEL0198S01 Power is supplied at all times I to headlamp LH relay terminals 1 and 3 I through 15A fuse (No. 68, located in the fuse and fusible link box), and I to headlamp RH relay terminals 1 and 3 I through 15A fuse (No. 69, located in the fuse and fusible link box), and I to smart entrance control unit terminal 49 I through 10A fuse [No. 13, located in the fuse block (J/B)]. When the ignition switch is in the ON or START position, power is supplied I to smart entrance control unit terminal 27 I through 10A fuse [No. 10, located in the fuse block (J/B)]. When the ignition switch is in the ACC or ON position, power is supplied I to smart entrance control unit terminal 26 I through 10A fuse [No. 1, located in the fuse block (J/B)] Ground is supplied I to smart entrance control unit terminals 43 and 64 I through body grounds M9, M25 and M87. Power Supply to Low Beam and High Beam NHEL0198S0101 When lighting switch is in 2ND or PASS position, ground is supplied I to headlamp LH relay terminal 2 from smart entrance control unit terminal 21 I through smart entrance control unit terminal 22, I from lighting switch terminal 12, and I to headlamp RH relay terminal 2 from smart entrance control unit terminal 59 I through smart entrance control unit terminal 60, I from lighting switch terminal 12. Headlamp relays (LH and RH) are energized and then power is supplied to headlamps (LH and RH).

System Description NEEL0216 MODELS WITHOUT POWER DOOR LOCKS NEEL0216S01 The rear window defogger system is controlled by the rear window defogger timer. The rear window defogger operates only for approximately 15 minutes. The rear window defogger switch is integral to the air control. Power is supplied at all times
to rear window defogger relay terminal 5
through 20A fuse [No. 25, located in the fuse block (J/B)]. With the ignition switch in the ON or START position, power is supplied
through 10A fuse [No. 5, located in the fuse block (J/B)]
to rear window defogger relay terminal 1, and
to rear window defogger timer terminal 1. Ground is supplied to air control (rear window defogger switch) terminal 8 and rear window defogger timer terminal 4 through body grounds M14 and M68. With the rear window defogger switch (located in air control) ON, ground is supplied
to rear window defogger timer terminal 3
through air control (rear window defogger switch) terminal 8. Rear window defogger timer terminal 2 then supplies ground to the rear window defogger relay terminal 2. With power and ground supplied, the rear window defogger relay is energized. Power is supplied
through terminal 3 of the rear window defogger relay
to rear window defogger terminal +. Rear window defogger terminal - is grounded through body ground R102. With power and ground supplied, the rear window defogger filaments heat and defog the rear window. When the system is activated, the rear window defogger indicator illuminates in the air control. Power is supplied
from rear window defogger relay terminal 3
to air control (rear window defogger switch) terminal 4. Air control terminal 8 is grounded through body grounds M14 and M68. MODELS WITH POWER DOOR LOCKS NEEL0216S02 The rear window defogger system is controlled by the smart entrance control unit. The rear window defogger operates only for approximately 15 minutes. The rear window defogger switch is integral to the air control. Power is supplied at all times
to rear window defogger relay terminal 5
through 20A fuse [No. 25, located in the fuse block (J/B)] and
to smart entrance control unit terminal 49
through 7.5A fuse [No. 28, located in the fuse block (J/B)]. With the ignition switch in the ON or START position, power is supplied
through 10A fuse [No. 5, located in the fuse block (J/B)]
to rear window defogger relay terminal 1 and
to smart entrance control unit terminal 27. Ground is supplied to air control (rear window defogger switch) terminal 8 and smart entrance control unit terminals 43 and 64 through body grounds M14 and M68. With the rear window defogger switch (located in air control) ON, ground is supplied
to smart entrance control unit terminal 14
through air control (rear window defogger switch) terminal 1. Smart entrance control unit terminal 37 then supplies ground to the rear window defogger relay terminal 2. With power and ground supplied, the rear window defogger relay is energized. Power is supplied
through terminal 3 of the rear window defogger relay
to rear window defogger terminal +.
Rear window defogger terminal - is grounded through body ground R102. With power and ground supplied, the rear window defogger filaments heat and defog the rear window. When the system is activated, the rear window defogger indicator illuminates in the air control. Power is supplied
from rear window defogger relay terminal 3
to air control (rear window defogger switch) terminal 4. Air control (rear window defogger switch) terminal 8 is grounded through body grounds M14 and M68

Hold the power button down for about 20 seconds, then try the button again.

Or try one of the reset methods in this Google search:

https://www.google.com/search?q=smart+tab+reset&ie=utf-8&oe=utf-8&client=firefox-b-1

Restart the smart TV
Press and hold the power button on the TV remote control for 10 seconds to restart the TV.
If you restart the TV, try Netflix again.
If the TV does not restart, turn it on again and continue with the following troubleshooting steps.
Disconnect the TV from the power for at least 1 minute.
With the TV off, press and hold the power button on the TV for 5 seconds to unload it.
If you can not access the power button or your TV does not have it, leave the TV off for at least 3 minutes.
Reconnect the TV.
Turn on the tv.
Try Netflix again.

the number of blinks by model tells you information. Look up capacitor failures on that model on youtube. I have a vizio that did the same thing, and it was a $0.11 capacitor I had to replace... took about 30 minutes, and working great. You'll need to see if you can find someone with that same problem on youtube to be able to find it easilly... requires soldering iron... little screwdrivers and some patience. you can do it!

Are you sure the key doesn't have to be in the on position for the power point to have power?

You have to program the remote to the T V by feeding the model and type serial no. etc into the remote control

There is a short somewhere in the tv. The blowing fuse is trying to keep you from getting electrocuted. Take the tv back to where you got it from. Bad power board.

To my knowledge , power steering came in the newer models 2007 + , no oil in the steering , as it has no pump.
Please let me know what is the problem exactly with the chassis number ?