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I got a ST-V from a friend, which is currently not working. I found some missing / altered components on the pcb and would love to know why those were altered. Maybe some kind of mod i don't know of? The board was working fine with those missing components - This is not a request for help on...

I just got my DDP2 Bee Storm in the mail today (bought it from a forum member here) but ran into some issue: 2 of my 3 PGMs have either graphic and/or sound glitches with DDP2 (with no other game!) - One of the PGMs runs DDP2 without issues. I guess the issue is with ma PGMs and not the game...

I got a Naomi 2 PCB which ran fine. Naomi Logo showed up, but the setup menu showed garbled Text. I figured out it that IC107 and 109 are bad. I replaced IC 107 and IC 109 with new RAM I accidently desoldered IC7, but soldered it back in (was about to desolder one of the other ICs, but moved...

Bought the "Darksoft NEW MULTI CPS-2 rev2" from saveyourgames.it. Installed it, enjoyed it. All works fine Found the new firmware which solves SD card problems. thought "yeah stability is always nice, lets update" Figured out i have to put the firmware.img onto the sd card and it will update...

Hello, i hope someone here can point me in the right direction with the (right channel) audio problem of my sega naomi 2: Problem within the test menu -> sound tests i turn left and right speaker to ON left speaker outputs sound right speaker does NOT output sound (the problem!) video and...

Would anyboy so kind and tell me what are all those brownish smd parts are? (and if there is a list of parts with values) available? I am looking for PC427 values (right below IC106) on a Sega Naomi2 pcb since it got blow away :D (not on the photo) Thanks alot

Does anybody know of a "nice" graphic or a overview shematic of the Naomi 2 PCB? I try to understand the PCB better, but had no look in my searches so far. Right now i try to figure out what is cpu/gpu (i think bot fan mounted ones are 2 gpus? and the middle one is the cpu?) And i try to...

Can anyone point me in the right direction where to buy replacement chips for IC9/IC10 (Sega Naomi 2) In my Naomis there are either "Samsung 109 K456416320-TC1L" or "5264165F TA60 PC100-222-60" on IC9/IC10 - For both i don't find direct replacement Both are 64 MBit (8 MB) SDRAM 16bit Chips...

I had to swap the "HV ADJ" "X PRO" "B" Potentiometers and measured set values before: - HV ADJ = 22k (47k Pot.) - X PRO = 10,70k (10k Pot.) - B = 329 (on 1k Pot.) Since i am unsure if those are the really correct values: Can anyone point me in the direction for the correct values? - I am...

Please jump to answer #8 - where i list all the values. Hello, i am looking for the value of the "TRAP" potentiometer (VR451) on a Nanao MS2930-S-E PCB (PCB Ref: 05A00732G2). thanks alot.