Williams Black Knight Upgrades and Fixes

MPU Williams 558887 24209 2803

IC sockets 1, 14, 17, 20 replaced
W3,W6,W8,W10,W11,W14,W17,W19,W20,W22,W25,W26,W29 0ohm resisters replaced with jumpers
C23 100uf 10v axial replaced with 100uf 10v radial
Batter Holder removed and IC19 replaced with 5105 NVRAM
1J1-8 header pins replaced

Driver Board Williams 421107 29097 8018

R149-R156 removed and replaced with 16AWG jumper wire
TIP42 Q63,Q65,Q67,Q69,Q71,Q75,Q77 Replaced with Irf9z34n MOSFET
2J2-2J13 header pins replaced
Q2-Q10 evens and Q15-Q45 odd TIP122 replaced with TIP102
W9-W16 0ohm resisters replaced with jummpers
ic5,ic10 Sockets replaced
C15 100uf 10v axial replaced with 100uf 16v radial

Power board System 6

F1-F5 fuse holders raplaced
C7,C9,C10,C11,C13,C15 replaced
3J3-3J6 header pins replaced
D7, D8 replaced with 64A

Sound Board

C14 100uf 15v replaced
C15 470uf 25v replaced
C25 100uf 10v replaced
C26 1000uf 25v replaced
C27 12000uf 16v per scimatic relpaced with 4700uf 25v per what was already on the board. (might change this)
W1, W2, W5, W7, W9, W10, W15 0ohm resisters replaced with jumper wires
IC9,IC10,IC11,IC12 sockets replaced

Speach Module

C12 10uf 25v replaced
IC4, IC5, IC6, IC7, Sockets replaced

Master Display

4J1-4 and 4J8 header pins replaced
W2, W4 0ohm resisters replaced with jumpers

Backbox Power Upgrades

Inkochnito's Bridge Board - Install Guide
Williams System 3-7 Special Solenoid Saver - Install Guide