Some Sega FONZ tech info for anyone who wants it.

Stuffmonger

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So, upon the successful completion of my full cabinet cap replacement for my FONZ, I figured I might as well post some of my findings in case anyone else has one and wants to do similar without having to look for everything on the boards, then order parts, and install them. In doing my cap replacement, I mapped all the capacitors throughout the machine (electrolytic, polyester, ceramic, etc...). For this guide, I'll only post the electrolytic since that's what goes bad unless requested to list others.

For your convenience, here is a cap kit list for ordering what you'd need.
electrolytic caps:
1uf 50v - x8
3.3uf 50v - x1
4.7uf 25v - x2
10uf 16v - x5
22uf 16v - x2
33uf 25v - x2
47uf 25v - x2
47uf 35v - x1
50uf 50v - x3 (50uf is obsolete, so, you'll have to order 47uf instead)
100uf 10v - x3
100uf 16v - x4
100uf 25v - x1
220uf 16v - x4
470uf 16v - x1
470uf 25v - x2
1000uf 16v - x1
2200uf 35v - x1
10,000uf 16wv - x1 (for power brick)
 
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So, now you'll need to know where to put them, right? Here you go.

Main PCB (6):
Location - Value
C-3 - 220uf 16V
C-13 - 220uf 16V
C-22 - 220uf 16V
C-45 - 10uf 16V
C-56 - 100uf 10V
C-79 - 220uf 16V

Monitor Chassis (4):
C-1 - 50uf-50v
C-2 - 50uf-50v
C-4 - 50uf-50v
C-6 - 470uf-16v

Audio Section (33):
-Control Amplifier board:
(listed by reading the board, top to bottom, left to right)
1 - 100uf-16v
2 - 1000uf-16v
3 - 47uf-25v
4 - 1uf-50v
5 - 47uf-25v
6 - 100uf-16v
7 - 1uf-50v
8 - 1uf-50v
9 - 1uf-50v
10 - 1uf-50v
11 - 1uf-50v
12 - 22uf-16v
13 - 1uf-50v
14 - 1uf-50v
15 - 22uf-16v

-Standalone cap:
2200uf-35v

-small pcb 1:
1 - 470uf-25v
2 - 33uf-25v
3 - 33uf-25v
4 - 100uf-25v
5 - 47uf-35v
6 - 470uf-25v
7 - 3.3uf-50v

-small pcb 2:
1 - 10uf-16v
2 - 100uf-16v
3 - 100uf-10v
4 - 4.7uf-25v
5 - 10uf-16v
6 - 10uf-16v
7 - 100uf-16v
8 - 100uf-10v
9 - 4.7uf-25v
10 - 10uf-16v
 
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I also made a list of the potentiometers throughout the main and sound boards.

Main PCB:
VR-1 - B-10K
VR-2 - B-100K
VR-3 - B-10K
VR-4 - B-2K
VR-5 - B-500K
VR-6 - B-10K
VR-7 - B-10K
VR-8 - B-10K
VR-9 - B-10K
VR-10 - B-200K
VR-11 - B-10K
VR-12 - B-10K
VR-13 - B-2K

Audio Setup:
Control Amplifier Board:
vr1 - b-10k ohm
vr2 - b-2k ohm
vr3 - b-50k ohm
vr4 - b-50k ohm
 
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