Sharp PC7000A Service Manual

SHARP
PC-7000A
PC-710Q
SERVICE MANUAL
CODE: OOZPC7000ADIA
DIAGNOSTIC MANUAL
FOR MODEL PC7000Al7100
__ -----------------------CONTENTS------------------------~
GENERAL......................................................... 1
DIAG NOSTICS LOADER. .. . . .. .. .. .. ... . .. . . .. . ... .. . . .... .. .... . .. 3
MEMORY DIAGNOSTICS. .. .. .. .... .. .. .. . . .... ... . . . .. .. ... . ... . . .. 5
KEYBOARD & SPEAKER DIAGNOSTiCS............................... 8
L.C.D. DIAGNOSTIC ................................................ 8
REAL TIME CLOCK DIAGNOSTICS ................................... 10
SERIAL I/O DIAGNOSTiCS .......................................... 12
FLOPPY DISK DIAGNOSTICS ........................................ 14
PR INTER DIAGNOSTIC ............................................. 20
COLOR CRT ADAPTER DIAGNOSTiC ................................. 23
MONOCHROME CRT ADAPTER DIAGNOSTiC .......................... 24
MODEM CARD DIAGNOSTIC ......................................... 26
EXPANTION UNIT DIAGNOSTIC ..................................... 29
HARD DISK DIAGNOSTIC ........................................... 39
SCREEN FORMAT .................................................. 57
SHARP CORPORATION