Toshiba MW20FM1 - When Replacing Eeprom (Memory) IC

WHEN REPLACING EEPROM (MEMORY) IC
If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to
ensure correct data settings while making reference to TABLE 1.
NOTE: Initial Data setting will not be possible if clock has been set. To reset clock, either unplug AC cord and allow
at least 5 seconds before Power On.
C4-1
8D 4F 70 00 49 05 FF 62 86 45
+0 +1 +2 +3 +4 +5 +6 +7 +8 +9
+A
+B +C +D +E +FINI
40 E3 52 03 87 00 48 00 FF
9F 97 91 A5 B0 B0 01 BA 1A 0B
00 31 09 14 02 7F 0E FF FF FF
62 26 07 67 48 09 49 0A 4A
90 88 07 A0 00 2400
10
0F
19 3A 1E 54 0A B8
3D 01 25 06 14 70
30 FF FF FF FF FF FF
40 45
20
6D 6E 4F 6F 50 70 51 71 52
75 56 76 57 77 58 78 59 79 5A
50
4E 72
53 73 54 74 55
6A 4B 6B 4C 6C 4D
60
7A 7A 5B 5B 7B 7B
3.
4.
5.
6.
7.
8.
The unit will now have the correct DATA for the new MEMORY IC.
Table 1
1.
2.
Fig. 1
ADDRESS is now selected and should "blink". Using the UP or DOWN button on the remote, step through the ADDRESS
until required ADDRESS to be changed is reached.
Press ENTER to select DATA. When DATA is selected, it will "blink".
Again, step through the DATA using UP or DOWN button until required DATA value has been selected.
Pressing ENTER will take you back to ADDRESS for further selection if necessary.
Repeat steps 3 to 6 until all data has been checked.
When satisfied correct DATA has been entered, turn POWER off (return to STANDBY MODE) to finish DATA input.
Enter DATA SET mode by setting VOLUME to minimum.
While holding down VOLUME button on front cabinet, press key 6 on remote control for more than 2 seconds.
ADDRESS and DATA should appear as FIG 1.
5C 5C 7C 7C 5D 5D 7D 7D 5E 5E70
7E 7E 5F 5F 7F 7F
INIT 00 8D
POWER ON 0010
PLAY/REC 0003
ADDRESS DATA