Table of Contents
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1.
SCHEMATIC DIAGRAM................................................................................................ 1
2.
SPECIFICATIONS ......................................................................................................... 5
3.
TO REPLACE THE BATTERY ...................................................................................... 6
4.
ERROR MESSAGE ....................................................................................................... 7
5.
TO RESET THE DIGITAL DIARY ................................................................................. 7
6.
TO SAVE THE DATA TO OTHER MACHINE ............................................................... 8
7.
TO CHECK THE MEMORY CAPACITY ...................................................................... 11
8.
DISASSEMBLY ........................................................................................................... 12
9.
BLOCK DIAGRAM ...................................................................................................... 14
10.
10-1.
System chart ................................................................................................. 15
10-2.
Power supply circuit .................................................................................... 16
10-3.
CPU pin description (HD62076C02) ............................................................ 21
10-4.
10-5.
Power supply chip IC pin descriptions (SC371015FU) ............................. 22
10-6.
Character generator ROM pin descriptions (HD62063B01) ..................... 23
10-7.
10-8.
RAM pin descriptions (M5M51008AFP-10LL) ............................................ 24
11.
DIAGNOSTIC OPERATION ........................................................................................ 25
12.
TROUBLESHOOTING ................................................................................................. 30
13.
PARTS LIST ................................................................................................................ 33
14.
PCB VIEW ................................................................................................................... 35
15.
ASSEMBLY VIEW ....................................................................................................... 37
CONTENTS
µ
PD65005GC-566-3B6) ................................ 22
µ
PD23C4001EBGW-304) ..... 24
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