1-8 (No.YA164)
3.2 MEMORY IC REPLACEMENT
This model uses the memory IC.
This memory IC stores data for proper operation of the video and drive circuits.
When replacing, be sure to use an IC containing this (initial value) data.
3.2.1 MEMORY IC REPLACEMENT PROCEDURE
1. Power off
Switch off the power and disconnect the power plug from the
AC outlet.
2. Replace the memory IC
Be sure to use the memory IC written with the initial setting
values.
3. Power on
Connect the power plug to the AC outlet and switch on the
power.
4. System constant check and setting
* It must not adjust without signal.
(1) Press the [DISPLAY] key and the [PICTURE MODE] key of
the REMOTE CONTROL UNIT simultaneously.
(2) The SERVICE MODE screen of Fig. 1 will be displayed.
(3) While the SERVICE MODE is displayed, press the
[DISPLAY] key and the [PICTURE MODE] key
simultaneously, and the SYSTEM CONSTANT SET
screen of Fig. 2 will be displayed.
(4) Check the setting values of the SYSTEM CONSTANT
SET. If the value is different, select the setting item with the
[MENU
/ ] key, and set the correct value with the
[MENU / ] key.
(5) Press the [OK] key to memorize the setting value.
(6) Press the [INFORMATION] key twice, and return to the
normal screen.
5. Receiving channel setting
Refer to the OPERATING INSTRUCTIONS and set the
receive channels (Channels Preset) as described.
6. User settings
Check the user setting items according to the given in page
later.
Where these do not agree, refer to the OPERATING
INSTRUCTIONS and set the items as described.
7. SERVICE MODE setting
Verify what to set in the SERVICE MODE, and set whatever is
necessary (Fig.1).
Refer to the SERVICE ADJUSTMENT for setting.
Fig.1
Fig.2
Fig.3
3.2.2 SYSTEM CONSTANT SETTING
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Setting item
Setting value
HV-29JH24
HV-29JH74/G
1. TEXT
YES
YES
2. PIP
NO
YES
3. COLOUR AUTO
NO
YES
4. BLUE BACK MUTE
NO
NO
5. TUNER
MA1
MA1
