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Hi all, i have an issue with a MVS MV1F, 1 slot. Sounds, in this case FX, effects, voices, are distorted, i dont know how to explain it. Music works fine. I have repaired many mvs boards but i cant find the problem in this one. Traces between ram (6116), SM1 , Neo-D0, z80, Y2610 are tested...

Sold in ebay.

Sold.

SOLD.

nothing

Solved.

I have this board, MV1A, which boots fine without cart, I can do all test. With Neo Diag bios all tests passed. With game cart inserted, I have this: (game samurai shodown 2) What is failing ?

Repaired, was a bad trace.

Models: - MV1FZ: blocks on boot, board perfect, no bad traces (I think, I havent checked all). Any chip replaced. - MV1F: some missing pads and some traces leaked by battery. - MV1C: no video sync. Audio amp Heat Sink removed, but I send the board with Heat sink soldered. No bad traces, this...

Closed.

Hi all, I am repairing a MV1FZ 1 slot and it have a strange issue. I saw the same problem in this forum but without solution. When I power on the board, it show a cyan screen. If all dips are ON screen is purple. No crosshatch screen. If I insert a game, game works fine, if dip 1 is On with...

Hi all, I have a problem with a mv1c. Before consolize it, I tested the board and worked fine. I installed Unibios in socket and worked fine. I consolized it, I installed controller ports and video output. I installed a reset button, but I used (I dont check the button) and it was NO...

Sold.

Sold.

Hi, I want to sell this material. Firts of all: - I dont send first. I have a lot of positive feedback in Spanish forums. But the most "international" is ebay, this is my seller account: http://feedback.ebay.es/ws/eBayISAPI.dll?ViewFeedback2&userid=jdlat1&ftab=AllFeedback - Games have been...

Hi, I want to sell this material. Firts of all: - I dont send first. I have a lot of positive feedback in Spanish forums. But the most "international" is ebay, this is my seller account: http://feedback.ebay.es/ws/eBayISAPI.dll?ViewFeedback2&userid=jdlat1&ftab=AllFeedback - Games have been...

Hi all, I have a MV1A board which shows z80 error with original bios. If I installa unibios, it shows "Z80 Error commnication", I press A to "resume" and sound works fine. Whats the problem in this board? MV1A. Thanks !

Hi all, I have a MVS with "Color Ram error" and I have solved this errorm there was a bad trace. Now I have bad graphics. When I touched the left slot conector the image was fine, buy when I turn off the MVS and power on again has bad graphics. I have replaced some video chips, I have...

Hi all (again, in my second thread), I have 2 MVS MV1FZ boards which dont work. The first board worked fine 3 month ago...but a day show Color Ram Bank0 error. I dont want repair this MVS. The second MVS, on boot shows garbage screen. I have recorded a video, you can watch it here...

****Problem solved**** Hi all, i think this is my first message. First, sorry for my English :tickled: I have a problem with a MV1F board. It works perfect but it hasnt "white" color. I have changed ls273 (both chips) and cxk5468 chips, but same problem. I have checked all resistors near...