Arachnid 1000 Series Information page 29

The six encoded 1
into the SPC card.
train which is fed to one of the four PSD cards. depending upon
whose turn it is.
electronics is therefore in the SPC or the PSD cards.
The proceedure
recommended to be:
put four players up on:the
put player
(iii)
again score
if the same bad score appears o'n both play&T'&
2's score then the SPC-card would be bad anhlrwould
replacing.
if the bad score was only on one of the 4 players score
then that players PSD -card is-suspect.
exchange the suspect card.with-:a-
machine and go through the above--proceedure
if the fault 'follows'
(vi)
that PSD
if the fault stays in the same i*ocation.._after
the PSD
The majority
to narrow d.own the fault identification...is
2 up by
the affected-score
the PSD ,c_ard then it i-s defin,itely~~~+~
card which is
cards around then
of mis-scoring problems
ma-chine wi<h numb.e_rr' 1 pJ..agir ---&i
good one already in the .;I:'"
faulty.
the-GPM card
in the
and player '--
need-. --
Switch off power,--=.
again.
shifting
needs replacing.