Memorex MVT2139 A Series, Руководство по обслуживанию

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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 or alternatively, discharge backup capacitor.
3.
4.
5.
6.
7.
8.
The unit will now have the correct DATA for the new MEMORY IC.
Table 1
1.
2. 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.
ADDRESS is now selected and should "blink". Using the FF or REW 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 FF or REW 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.
Fig. 1
INIT 00 03
POWER ON 0010
PLAY/REC 0003
ADDRESS DATA
88 1A F2 63 4B 14 34 8B 51 3A
+0 +1 +2 +3 +4 +5 +6 +7 +8 +9
+A
+B +C +D +E +F INI
AB 91 86 00 00 00 15 08 06
06 29 01 17 0A 60 32 3A BA D7
30 31 33 35 37 39 3B 3D 3F 40
47 49 4A 4B 4C 4D 4E 4F 50
10 66 56 40 00 29 00
10 94 AC 0F A5 41 0A 0C
18 1D 28 2D 2E 2F
30 41 42 43 44 45 46
40 47
20
57 59 5A 5B 5C 5D 5E 5F 60
67 67 68 68 69 69 6A 6A 6B 6B
50 58 61 62 63 64 65 66
51 52 53 54 55 56
60
C4-1