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REPLACEMENT OF THE MEMORY IC
The unit incorporates a nonvolatile Memory IC, which stores
data on the video and deflection systems, etc.
When it is replaced with an IC without the data stored in it,
the set may malfunction or the video may become abnor-
mal when the unit is turned on.
When replacing the Memory IC, be sure to use an IC in
which the data (initial values) has already been written. (Ref No. : 24C16V1700CG)
q REPLACING THE MEMORY IC
1. Turn the unit off and unplug the power cord from the power
outlet.
2. Replace the Memory IC with a new Memory IC storing the ini-
tial value data.
3. Plug the power cord into the power outlet and turn the unit on.
4. Check the SET-UP MENU and set its items as required.
1) While holding down the
2) The SET-UP MENU appears (Fig. 1).
3) Check the items in the SET-UP MENU by comparing them
with the data in the table on page 10.
If any item is set differently, set it as required.
5. Check the other menus and set their items as required.
Press the MENU key to display the MAIN MENU (Fig. 2). Check
the items in the MAIN MENU by comparing them with the data
in the table on page 11. If any item is set differently, set it as
required.
6. Adjust the items that can be adjusted on the front panel.
(Some items cannot be adjusted unless the required signal is
input.)
7. Check that the initial values of the items in the service menu
are correct (Fig. 3).
For the setting method, see the corresponding pages for "Ad-
justments" in this manual.
key, press the VOL - (
) key.
<
>
SET-UP MENU
FUNCTION SETTING
PICTURE SUB ADJ.
COLOR TEMP./BAL.
SIZE/POSI. ADJ.
DISTORTION ADJ.
STATUS DISPLAY
CONTROL LOCK
: OFF
all reset
ENTER: +
EXIT:
SELECT:
MENU
Fig. 1
<
>
MAIN MENU
APERTURE CONTROL
SLOT CONDITION
sub menu POSI.
: LOWER
AREA MARKER
: OFF
AREA MARKER-R
: OFF
CENTER MARKER
: OFF
COLOR MATRIX
ENTER: +
EXIT:
SELECT:
MENU
Fig. 2
SIGNAL BLOCK
WHITE BALANCE BLOCK
DEFLECTION BLOCK
CPU BLOCK
DIAGNOSIS
UPC1884 ADJ.
TA1276 ADJ.
HOUR METER
ENTER: +
EXIT:
MENU
SELECT:
Fig. 3
9
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