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If you always buy Walker Exhaust products you won't have these questions. You provided no info or even a vehicle & you can go to walker or any auto parts store site & see what is avail & the layout for installation I hope you have actually been under the vehicle & made notes of what is needed & even some measurements. If your not intending to reinstall the resonator, then your on your own to redesign the system,not all that hard,you can buy & fabricate anything you have skills for.
Hello Total failure of vertical sweep occured whic your JVC TV. There are mainly two resons for this fault.Loose soldering terminals of the vertical output IC is the first one. The second one is of failure of the vertical output IC itself. You have to locate this vertical IC. It can be located at the main board. Vertical IC will be screwed on to a metal heatsink to radiate heat from it while it works. You can identify it very easly, if you have knoledge in electronic circuts abd printed circuit boards. Resolder all the solder terminals of this IC first, by applying a little more solder; without making any solder bridge short in between the close adjecent solder terminals, and see whether it helps you. If not replace it with same type and number. OK.
Vertical output section of your TV is faulty. There are mainly three resons for this fault. The first one is of faulty electrolytic capacitors at the vertical output section circuit. The second one is the vertical output IC. The third one is of loose solder termitals of components at the vertical output section. Resolder most of the solder terminals of this section by applying a little more solder, without making any solder bridge short in between adjecent solder terminals. If this does not help you, replace all electrolytic capacitors at the vertical output section circuit of your TV. There will be 6 0r 7 of them the most. Replace all of the at the same time. They won't cost more. If this does not hlep you, replace the vertical output IC. OK.
Usually if a problem of a monitor is the main IC itself, it is recommendable to buy a new one (since the price of the main IC is almost the same price as a new one itself. (depending on where do you reside) in our country, we consider buying a new one when the issue is the IC itself since here, the price of the IC is almost the same price if you buy a new one (about USD 100 for a new LCD monitor, while a main IC costs about 70 to 90 USD)
$250 is a bit tough if you are sure the IC is only $27. It is not clear from your post if your microprocessor works alright. If your display and other functions were okay when you gave it to the service guys, your micro is okay, in that case the only other costly thing in your board is output ic. Getting a board from Pioneer isn't easy, they don't sell boards in shops, they provide it to their authorized service ceneters only. You can try finding a friend who is aware of the boards and have this checked.
The fact that you used the term "magic focus" tells me you have a Hitachi projection set. When the colors no longer line up on a Hitachi projection TV, it means that most likely one of the convergence output IC's has shorted out. Sometimes a shorted convergence output IC will burn up a low value resistor too. I have also seen a convergence IC crack loose from the board and burn up 3 low-value resistors. If your set is using the STK392-110 IC's, it is probably a good idea to go ahead and replace both IC's with the newer upgraded STK392-150 IC's. The output IC's should be resoldered / replaced and the circuits checked and realigned by a qualified tech familiar with Hitachi projection sets.