Star Tech Journal

September 1997
STAR* TECH JOURNAL
Canuck
Corner
"Just the Facts, eh?,,
John Liikala
• Canadian Amusements • Burnaby, BC • Canada
ICE SUPER CHEXX
POWER AND AUDIO MODIFICATIONS
PROBLEM
PROBLEM
Bridge Rectifier BR2 overheats and fails.
When game is coined, the first note of the anthem
is played and the same note remains playing and
the puck is not ejected.
SOLUTION
Remove bridge VS248 and replace it with
KBPC3502 wire type and install a heatsink on it.
Next, increase C3 from 1000 micro farad, 16 work-
ing volts to 1000 micro farad, 35 working volts.
See figure one for component location.
SOLUTION
U14 is at fault and you'll find pin 2 or 4 will be
shorted. Replace and verify correct operation.
R "~'
~ - - ~ 1-'lt!'Si--,-..-+~~
...
Figure 7
Main PCB
On-Board Power Supply