Toshiba VTW2187, Руководство по обслуживанию

Страница: 36 / 101

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 30 minutes before Power On or alternatively, discharge backup capacitor.
No need to set data after position INI 11F due to the adjustment value.
C4-1
4.
5.
6.
7.
8.
9.
10.
11.
12.
The unit will now have the correct DATA for the new MEMORY IC.
Table 1
1.
2.
3. Turn on the POWER, and set to the TV mode.
Enter DATA SET mode by setting VOLUME to minimum.
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 is now selected and should "blink". Using the UP/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/DOWN button until required DATA value has been selected.
Pressing ENTER will take you back to ADDRESS for further selection if necessary.
Repeat steps 4 to 7 until all data has been checked.
When satisfied correct DATA has been entered, turn POWER off (return to STANDBY MODE) to finish DATA input.
After the data input, set to the initializing of shipping.
Turn on the POWER, and set to the TV mode.
Press both VOL. DOWN button on the set and Channel button (1) on the remote control for more than 2 seconds.
After the finishing of the initializing of shipping, the unit will turn off automatically.
Fig. 1
INIT 0B4 14
POWER ON 0010
PLAY/REC 0003
ADDRESS DATA
--- --- --- --- 14 10 80 86 C0 4C
+0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +A
+B +C +D +E +F INI
04 98 B2 00 05 63 65 66 27
3A 0F 11 20 45 64 64 65 64 CA
00 DF 6F F9 5F 01 FF 23 F9 6F
A0 20 08 BF 50 2B B5 C1 41
95 C7 C4 C9 0E E1 0B0
0C0 6B 1B 3B 2A 17 15 1B
0D0 00 37 87 0C 87 5F
0E0 9F B2 9A 97 8C B2
0F0 C4 00 2D 0C 0E 7A 00
27 57 15 00 00 00 00 00 00
00 03 04 20 40 20 A0 00 00 40
100 03 00 00 00 00 82 00
110 00 00 00 97 30 01