KEY Assignment of Remote Control Unit, Service Menu

AV-20N3

AV-20NMG3

AV-20NMG3B

REPLACEMENT OF MEMORY ICs

1. MEMORY ICs

This model uses memory ICs. This memory IC data are for proper operation of the video and deflection circuits. When replacing memory ICs, be sure to use ICs written with the initial values of data.

2.PROCEDURE FOR REPLACING MEMORY ICs

(1)Power off

Switch the power off and disconnect the power plug from the wall outlet.

(2)Replace ICs

Be sure to use memory ICs written with the initial data values.

(3)Power on

Connect the power plug into the wall outlet and switch the power on.

(4)Check and set SYSTEM CONSTANT SET

・It must not adjust without adjustment signals.

1)Press the DISPLAY key and the PICTURE MODE 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, again press the DISPLAY key and 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 of T able 1 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 DISPLAY key twice, and return to the normal screen.

(5)Receive channel of setting

Refer to the OPERATING INST RUCTIONS and set the receive channels (channels preset) as described

(6)User Setting

Check the user setting value of Table 2, and if setting value is different, set the correct value.

For setting, refer to the OPERATING INSTRUCTIONS.

(7)Setting of SERVICE MENU

Verify the setting items of the SERVICE MENU, and reset where necessary. For setting, refer to the SERVICE ADJUSTMENTS.