
joeyshakespeare wrote:Measured voltages and theres nothing going to the board.
I get 9volts on the jack pin the battery is connected to but nothing after that.
Govmnt_Lacky wrote:Also, it looks like some work has been done to the original PCB. As you can see in the linked pic I provided, original TBs did NOT use those smaller carbon resistors. This was probably a replacement/mod.
Electric Warrior wrote:Govmnt_Lacky wrote:Also, it looks like some work has been done to the original PCB. As you can see in the linked pic I provided, original TBs did NOT use those smaller carbon resistors. This was probably a replacement/mod.
No. There are plenty of Vox TBs with that type of carbon film resistor around.
Govmnt_Lacky wrote:Do you have a Multi-meter?
Take some DC voltage measurements and post them according to which transistors you are measuring. If you need to know which leg is which according to the schematic, just Google it.
Cant really go much further unless you provide some measurements
joeyshakespeare wrote:Theres no voltages anywhere, that's the issue.
Everything has 0 volts except of the jack lug that I put the 9V battery to.
Govmnt_Lacky wrote:Electric Warrior wrote:Govmnt_Lacky wrote:Also, it looks like some work has been done to the original PCB. As you can see in the linked pic I provided, original TBs did NOT use those smaller carbon resistors. This was probably a replacement/mod.
No. There are plenty of Vox TBs with that type of carbon film resistor around.
Thanks for the correction. Seeing as you have a TON more experience with these EW.... perhaps you could offer some repair advice as well?
Govmnt_Lacky wrote:joeyshakespeare wrote:Theres no voltages anywhere, that's the issue.
Everything has 0 volts except of the jack lug that I put the 9V battery to.
You have to install a guitar cable to the input jack for the power to flow.
Insert a guitar cable and then measure.
DrNomis wrote:When I view the image of the circuit board magnified, I can just make-out 2N5580, or something like that on one of the Si transistors, the other one is a bit harder to see.....
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