JVC TM-A210G/C Service Manual page 9

3.2 MEMORY IC REPLACEMENT
3.2.1 MEMORY IC
This monitor uses the memory IC.
In the memory IC, there are memorized data for correctly operating for the video and deflection circuits.
When replacing the memory IC, be sure to use IC written with the initial values of data.
3.2.2 MEMORY IC REPLACEMENT PROCEDURE
1. Power off
Turn the power off and unplug the power cord from cabinet.
2. Replace IC
Be sure to use the memory IC written with the initial setting
data.
3. Power on
Connect the power cord and turn the power on.
4. Check and set MENU items
Press the [MENU] key and check the setting value of the each
item. If the value is different, select the item and set the correct
value.
5. Adjust the front control items
Adjust the CHROMA, PHASE, CONTRAST and BRIGHT.
Not all items can be adjusted as expected if the signal has not
been input correctly in the adjustments.
6. Check and set the SET-UP MENU items
If the value of each item of < SET-UP MENU > set as value
peculiar to this monitor is not correctly, operation of a
microcomputer and the output of image do not become
suitable. Please set up the value of each item correctly,
according to the following description.
(1) Press the [MENU] key and the [CHROMA/PHASE] key
simultaneously.
(2) The < SET-UP MENU > screen will be displayed.
(3) Check the setting value of the each item of the < SET-UP
MENU >. If the value is different, select the item and set
the correct value.
(4) Press the [MENU] key, and return to the normal screen.
7. Confirm the items of SERVICE MENU
Confirm the each item of the SERVICE MENU.
Refer to the corresponding page to operate the SERVICE
MENU.
<SET-UP MENU>
< SET-UP MENU >
H. POSITION
WHITE BALANCE
CONTROL LOCK
STATUS DISPLAY
INPUT REMOTE
ASPECT REMOTE
EXIT
CHROMA CONTRAST VOLUME / SELECT
PHASE BRIGHT
Fig.1
CURSOR
Point out the current adjusting item. Operate with the
[CHROMA/PHASE] key and [CONTRAST/BRIGHT] key.
SETTING ITEM
The items of <SET-UP MENU>.
SETTING VALUE
Adjust each item of SET-UP MENU with the [VOLUME/
SELECT +(UP)] key or [VOLUME/SELECT |(DOWN)] key.
FUNCTION DISPLAY
When you move the cursor to select the item, the key
function display changes the illustration.
OPERATION KEY ASSIGNMENT
In the SERVICE MENU, the original key operation by the
front panel replaced with the displayed function.
< BLOCK SELECT >
SIGNAL BLOCK
WHITE BALANCE BLOCK
DEFLECTION BLOCK
CONTROL BLOCK
SIG W/B DEF CTRL EXIT
SERVICE MENU
00
OFF
ON
OFF
OFF
MENU
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