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AV-29M201
MEMORY IC REPLACEMENT
1. Memory IC
This model use a memory IC.
The memory IC stores data for proper operation of video and deflection circuits.
When replacing, be sure to use an IC containing this (initial value) data.
2. Memory IC replacement procedure
PROCEDURE
(1) Power off
Switch off the power and disconnect the power cord from the outlet.
(2) Replace the memory IC .
Be sure to use memory ICs written with the initial data values.
(3) Power on
Connect the power cord to the outlet and switch on the power.
(4) System constant check and setting
% % % %
It must not adjust without signal.
1) Simultaneously press the DISPLAY key and VIDEO STATUS key
of the remote control unit.
2) The SERVICE MENU screen of Fig.1 is displayed.
3) While the SERVICE MENU is displayed, again simultaneously
press the DISPLAY and VIDEO STATUS keys to display the Fig.2
SYSTEM CONSTANT screen.
4) Refer to the SYSTEM CONSTANT table and check the setting
items. Where these differ, select the setting item with the MENU
UP / DOWN key and adjust the setting with the MENU LEFT /
RIGHT keys. (The letters of the selected item are displayed in
yellow.)
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.
(5) Receive channel setting
Refer to the OPERATING INSTRUCTIONS (USER ' S GUIDE) and
set the receive channels (Channels Preset) as described.
(6) User settings
Check the user setting items according to Table 2.
Where these do not agree, refer to the OPERATING
INSTRUCTIONS (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.
8
SERVICE MENU
PICTURE
VIDEO STATUS
LOW LIGHT
RF AFC CHK
I2C BUS CTRL
SELECT BY
OPERATE BY
SYSTEM CONSTANT
GAME
HYPER SCAN
SURROUND
CCD
VIDEO
SELECT BY
OPERATE BY
No. 51731
SCREEN DISPLAY
SOUND
OTHERS
HIGH LIGHT
VCO (CW)
EXIT BY
EXIT
IT
Fig.1
: YES
: YES
: YES
: YES
: 2
EXIT BY
EXIT
IT
Fig.2
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