AV-N29301
AV-N34301
MEMORY IC REPLACEMENT
1. Memory IC
This model uses a memory IC.
This 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
ProcedureScreen display
(1) Power off
Switch off the power and disconnect the power cord from the outlet.
(2) Replace the memory IC
Initial value must be entered into the new IC.
(3) Power on
Connect the power cord to the outlet and switch on the power.
(4) System constant check and setting
SERVICE MENU
**** It must not adjust without signal.
1) Press SLEEP TIMER key and, while the indication of ?SLEEP TIMER 0PICTURESOUND
MIN.? is being displayed, press DISPLAY key and VIDEO STATUS keyTHEATEROTHERS
PIP
on the remote control unit simultaneously.LOW LIGHTHIGH LIGHT
2) The SERVICE MENU screen of Fig.1 is displayed.RF AFC 1RF AFC 2
VCO (CW)I2C BUS CTRL
3) While the SERVICE MENU is displayed, again simultaneously press
the DISPLAY and VIDEO STATUS keys to display the Fig.2 SYSTEMSELECT BYEX
IT
CONSTANT screen.OPERATE BYEXIT BY
4) Refer to the SYSTEM CONSTANT table and check the setting items.
Where these differ, select the setting item with the MENU UP/DOWNFig.1
key and adjust the setting with the MENU LEFT/RIGHT keys. (The
letters of the selected item are displayed in yellow.)
SYSTEM CONSTANT
5) After adjusting, release the MENU LEFT/RIGHT key to store the setting
value.MODEL:XX-XXXXX
CCD:YES
6) Press the EXIT key twice to return the normal screen.BBE:NO
V-CHIP:YES
CAN V-CHIP:NO
XXXXXXXXX XXX
SELECT BYEX
OPERATE BYEXIT BYIT
Fig.2
(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.
10No. 51738 |