C-N21310
C-N21103
AV-N21203
MEMORY IC REPLACEMENT
1. Memory IC
This TV uses a memory IC.
This memory IC stores data for proper operation of the video and deflection circuits.
When replacing the memory IC, be sure to use an IC written with the initial values of data.
2. Memory IC replacement procedure
ProcedureScreen display
(1) Power off
Switch off the power and disconnect the power cord from the outlet.
(2) Replace the memory IC
Be sure to use a memory IC written with the initial setting data.
(3) Power on
Connect the power cord to the outlet and switch on the power.
(4) System constant check and setting
" The adjustment should not be done without signal
1) Press SLEEP TIMER key and, while the indication of ?SLEEP 0 MIN.?
is being displayed, press DISPLAY key and VIDEO STATUS key on
SERVICE MENU
the remote control unit simultaneously.
PICTURESOUND
2) The SERVICE MENU screen of Fig.1 is displayed.GAME
3) While the SERVICE MENU is displayed, again simultaneously pressLOW LIGHTHIGH LIGHT
RF AFC CHK
the DISPLAY and VIDEO STATUS keys to display the Fig.2 SYSTEM
VCO(CW)
CONSTANT screen.SELECT BYEXIT BY
4) Refer to the SYSTEM CONSTANT table 1 and check the setting items.OPERATE BYEXIT
Where these differ, select the setting item with the MENU UP/DOWN
Fig.1
key and adjust the setting with the MENU LEFT/RIGHT keys. (The
letters of the selected item are displayed in yellow.)
[Only for AV-N21203/S]
5) After adjusting, release the MENU LEFT/RIGHT key to store the setting
value.
6) Press the EXIT key twice to return the normal screen.
SYSTEM CONSTANT
MODEL:****************************
V-CHIP:YES
(5) Receive channel setting
CAN V-CHIP:YES
Refer to the OPERATING INSTRUCTIONS(USER'S GUIDE) and set the
receive channels (Channels Preset) as described.********************************-********************
SELECT BYEXIT BY
OPERATE BYEXIT
(6) User settingsFig.2
Check the user setting items according to Table 2.
Where these do not agree, refer to the OPERATING INSTRUCTIONSIndicated Model Name
(USER'S GUIDE) and set the items as described.
(7) SERVICE MENU setting
Verify what to set in the SERVICE MENU, and set whatever is
necessary.(Fig.1) Refer to the SERVICE ADJUSTMENT for setting.
8No. 51991 |
ACEC
