Panasonic BT-M2090Y Service Manual page 26

BT•M2090Y
Memory IC replacement notes
This model uses non-volatile memory ICs. When these are
replaced, the data must be reset.
Video and deflection system data are stored in IC103. If this
is replaced without entering the data, a normal picture will not
be obtained. When replacing, be sure to use an IC(ST24BM-
1400) containing the (initial value) data.
• Set-up menu record
Press Menu and at the menu display, check if an asterisk
(*) appears after Color Temp. If the asterisk appears, the
user has set the values according to personal preference.
To the extent possible, make a memo of the setting values
before replacing the IC.
• IC replacement steps
1. To the extent possible, make a memo of the set-up
menu and adjustment mode menu contents.
2. Switch off the power and disconnect the power cord
from the outlet.
3. Replace IC103.
4. Reconnect the power cord to the outlet and switch
power on.
5. Refer to the memo and enter the setting values.
6. Perform adjustments according to the adjustment
items.
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