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AV-35750
|
AV-35770
MEMORY IC REPLACEMENT
1. Memory IC
This model uses a memory (EEP-ROM) IC.
The memory IC stores data for proper operation of the video and deflection circuits.
When replacing, be sure to use an IC containing this (initial value) data.
2. Memory IC replacement procedure
Procedure
Power off
Switch off the power and disconnect the power cord from the outlet.
Replace the memory IC.
Initial value must be entered into the new IC.
Power on
Connect the power cord to the outlet and switch on the power.
System constant check and setting
Simultaneously press the DISPLAY key and VIDEO STATUS key of
the remote control unit.
The SERVICE MENU screen of Fig. 1 is displayed.
While the SERVICE MENU is displayed, again simultaneously press
the DISPLAY
and VIDEO
STATUS
keys to display the Fig. 2
SYSTEM CONSTANT screen.
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.)
After adjusting, release the MENU
LEFT / RIGHT key to store the
setting value.
Press the EXIT key twice to return the normal screen.
Receive channel setting
Refer to the OPERATING
INSTRUCTIONS(USER'S
GUIDE) and
set the receive channels (Channels Preset) as described.
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.
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.
10 (No.51130)
Screen display
SERVICE MENU
PICTURE
SOUND
THEATER
OTHERS
PIP
LOW LIGHT
HIGH LIGHT
RF AFC 1
RF AFC 2
12C BUS CTRL
SELECT
By[ally]
OPERATE BY[4][>] Exit BY @
SYSTEM CONSTANT
MODEL :
AV-35750:[AV-35750]
AV-35770:[AV-35770]
CCD:
YES
setect
sy[ally]
OPERATE BY[4][>] exit By @
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