AV-21D73
AV-16N73
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 offSERVICE MENU
Switch the power off and disconnect the power plug from the wall outlet.1.IF 2.V/C
3.DEF 4.VSM PRESET
(2) Replace ICs
5.PRESET
Be sure to use memory ICs written with the initial data values.6.SETUP TOUR OFF
1-6 SELECT DISP : EXIT
(3) Power on
******************************************** ** ** ** **.****************
Connect the power plug into the wall outlet and switch the power on.
*** ** ***** ** ***** ** ***** ** **** ***** ***** ***** ***
(4) Check and set SYSTEM CONSTANT SET
uuuuIt must not adjust without adjustment signals.Fig.1
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
SYSTEM CONSTANT-````
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 Table 1 If the
value is different, select the setting item with the MENU 1/2key, and set SYSTEM CONSTANT SET 1
COLOUR: MULTI
the correct value with the MENU - / + key.
BILINGUAL: NO
5) Press the DISPLAY key twice, and return to the normal screen.TUNER: MU
ECO SENSOR: YES
(5) Receive channel of setting
LANGUAGE: E / V
Refer to the OPERATING INSTRUCTIONS and set the receive channels :/ SELECT
(channels preset) as described- / + : OPERATEDISP : EXIT
(6) User Setting
Check the user setting value of Table 2, and if setting value is different, setSYSTEM CONSTANT-aaaa
the correct value.
For setting, refer to the OPERATING INSTRUCTIONS.
(7) Setting of SERVICE MENU SYSTEM CONSTANT SET 2
B/B SOUND: OFF
Verify the setting items of the SERVICE MENU, and reset where necessary.
LOCK: 180
For setting, refer to the SERVICE ADJUSTMENTS.COLOUR AUTO: NO
QSS: MINT
ALC: NO
TEXT RATE: 20
:/ SEL - / + : OPE DISP : EXIT
KEY ASSIGNMENT OF REMOTE CONTROL UNIT
SYSTEM CONSTANT-bbbb
SYSTEM CONSTANT SET 3
PICTURE
MODE keyAMP TUNER: YES
VNR: NO
TEXT TABLE : CYL
VOLUM PWM: ENG
NUMBERS
key
:/ SEL - / + : OPE DISP : EXIT
DISPLAY
Fig.2
keyMENU
1/2 key
MENU
/key
12No. 52037 |