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.
INI +0 +1+2+3+4+5+6+7+8 +9 +A +B +C +D +E +F
00 ---0038231871804800 077305030006 73
10 1000 808080 3C 80B407 9F 1A80000224 22
20 5030 2B 6D C0 0047200F 00 181B 00E1 DA 05
30 008C987F0700480000 00 0000000000 00
40 0F23 272B2F 33373B 3F 40 4142434445 46
50 4748 494A 4B 4C 4D 4E 4F 505151525253 53
60 5454 55555656575758 58 5959 5A 5A 5B 5B
70 5C5C 5D 5D 5E 5E 5F5F60 606161626364 65
80 2223 CD CFD2 D6 D99698 9C9D 5556585A 5C
90 5D5E ------------------------ ------------------
Table 1
1.Enter DATA SET mode by setting VOLUME to minimum.
2.Press both VOL. DOWN button on the set and Channel button (6) on the remote control for more than 2 seconds.
ADDRESS and DATA should appear as FIG 1.
ADDRESS DATA
INIT 01 00
CRT ON 0010
Fig. 1
3.ADDRESS is now selected and should "blink". Using the VOL. +/- button on the remote, step through the ADDRESS until
required ADDRESS to be changed is reached.
4.Press OK to select DATA. When DATA is selected, it will "blink".
5.Again, step through the DATA using VOL. +/- button until required DATA value has been selected.
6.Pressing OK will take you back to ADDRESS for further selection if necessary.
7.Repeat steps 3 to 6 until all data has been checked.
8.When satisfied correct DATA has been entered, turn POWER off (return to STANDBY MODE) to finish DATA input.
The unit will now have the correct DATA for the new MEMORY IC.
C-2 |
ACEC
TOSHIBA
