Epson PX-8 Technical Manual page 229

Replace slave CPU
6303.
Measure levels of IC
1 2D pins 8 and 14.
Replace IC 12D.
Replace IC 9B.
Check voltage VRF.
Measure pin 16 vol-
tage of AD converter
1D.
Replace A-D converter
1D.
5-28
9.4
Replace slave CPU
6303.
Replace SED 1320
(7C).
Replace V-RAM chips
9C through 11 Cone
by one.
REV.-A
y
y
GOTO
Start.