Epson PC AX Technical Manual page 5

PREFACE
Thls manual descrlbes the theory of operation of the EPSON PC AX microcomputer system, and
Includes troubleshootlng, repair, and malntenance procedures for servlng system subassemblles.
Thls text Is dlvlded into eight chapters:
CHAPTER 1.
CHAPTER 2.
CHAPTER 3.
CHAPTER 4.
CHAPTER 5.
CHAPTER 6.
CHAPTER 7.
CHAPTER 8.
PRODUCT DESCRIPTION ...
Descrlbesthe features and speclflcatlons of
the computer, lIIustrates system components. and IIsts the loglc conflguratlon
of the prlmary clrcult board.
PRINCIPLES OF OPERATION. "
Details the functional organizatlon cf the
loglc clrcultry. Thls chapter also Illustrates the gate array pln
configuratlons.
OPTIONS . "
Descrlbes option card speciflcatlons and the operating prln-
clpies of the options.
TROUBLESHOOTING . "
ProvIdes Instructions for isolating computer mal-
functlons.
DISASSEMBLY AND ASSEMBLY . ..
Descrlbes system dlsassembly for
replacement of malfunctlonlng subassemblles.
ADJUSTMENT AND MAINTENANCE ...
Usts the necessary adjustments for
unlt assembly and servlclng.
DIAGRAMS AND REFERENCE MATERIALS ...
Descrlbes jumper settings
and connector pln asslgnments. Thls chapter also provldes expIoded clrcult
board layout and schematlc dIagrams for use In conjunctlon wIth the text.
DIFFERENCES BETWEEN 1OMHz AND 12 MHz ...
Descrlbes between the
EPSON PC AX 10MHz and the 12MHz, and includes the schematics for use In
conJunctlon with the the 12MHz.
SUbsequent product modlflcatlons will be brought to your attention via Service Bulletins; please revlse
the text as bulletins are recelved.
Thls document Is subJect to change without notice.