A SERVICE OF

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Service
IT A
Model %63A
ill Serial Prefixes
On the A3A7 Component Locator:
. A3A7C23, C24, C26, C27 ~ Delete A3A7C23, C24, and ‘X6. Change the
existing C27 to C23.
Z44lA and above
On the A3A7 Schematic:
l
AZlA7Fil2, Rl3, Rl5, Rl7, F120 Change the values of these resistors to the
new values shown b&xv:
R12 to 3.83k
Rl3 to 17.8k
RI5 to 2l.Kk
Rl7 to 14.7k
R20 to 15k
!449A and above
On the A3A7 schematic:
l A3A7F128,
R30 Change the value of RZ8 and R30 to 1.2lk.
549A and above
On the A3A7 Schematic:
l A3A7!45*,
RlO, Rl2, Ri3, RI& Rl7, R20 - Change the values of these resistor
to the new values &own below:
R5* to &Ilk
RlO tu 5.llk
R12 to 4.22k
RlS to 21.5k
R15 to 34,8k
R17 to 26.1 ohms
R20 to 90.9k
!936A and above
On the A3A7 schematic:
l
A3A7R28, R30 - Change the v&e of R28 and R30 to lk.
renO2OCT89
CHANGES
(y--f K-
SS23
8-482.1