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3.4
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.
3.4.1 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 [INFORMATION] key and the [MUTING] key of
the REMOTE CONTROL UNIT simultaneously.
(2) The SERVICE MENU screen of Fig. 1 will be displayed.
(3) While the SERVICE MENU is displayed, press the
[INFORMATION] key and [MUTING] 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 [FUNCTION UP/DOWN] key, and set the correct val-
ue with the [FUNCTION -/+] key.
(5) Press the [MENU] 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 MENU setting
Verify what to set in the SERVICE MENU, and set whatever is
necessary (Fig.1).
Refer to the SERVICE ADJUSTMENT for setting.
3.4.2 SYSTEM CONSTANT SETTING
Setting item
Setting content
1.DESTINATION
2.CRT TYPE
3.PICTURE TILT
4.POWER BASS
5.SPATIAL SURR
6.PIC&TEXT
7.PROGRESSIVE
AV-28H4BU
AV-28H4SU
AV-28H40SU
EU / EK / EI
EU
16:9 / 4:3
16:9
YES / NO
NO
YES / NO
NO
YES / NO
NO
YES / NO
NO
YES / NO
NO
SERVICE MENU
1. IF
3. AUDIO
5. VSM PRESET
7.
9. SHIPPING (OFF) 0. BUS FREE
1-9 : SELECT
Fig.1
SYSTEM CONSTANT SET
1. DESTINATION
- /+
: STORE
OK
Fig.2
NAME OF REMOTE CONTROL KEY
Names of key
INFORMATION
MUTING
MENU
FUNCTION UP/DOWN
FUNCTION -/+
Setting value
AV-32H4BU
AV-32H4SU
AV-28H77SK
AV-32H40SU
AV-32H47SU
←
EK
←
←
YES
NO
←
←
←
←
←
YES
←
←
2. V/C
4. DEF
6. STATUS
8. SURROUND
i i : EXIT
EU
i : EXIT
key
OK
AV-32H77SK
←
←
YES
←
←
←
←
(No.YA063)1-13
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