JVC AV16N71NT Repair Manual

AV-20N41
AV-16N71
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 ICsSERVICE MENU
(1) Power off1.IF 2.V/C
Switch the power off and disconnect the power plug from the outlet.3.DEF 4.VSM PRESET
5.PRESET
(2) Replace ICs6.TURBO TIMER OFF
Be sure to use memory ICs written with the initial data values.
1-6 SELECT DISP : EXIT
(3) Power on
****************************************************.************
Connect the power plug to the outlet and switch the power on.
*** ** ***** ** ***** ** ***** ** **** ***** ***** ***** ***
Fig.1
(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.
SYSTEM CONSTANT-????
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, then the SYSTEM CONSTANT SET SYSTEM CONSTANT SET 1
screen of Fig. 2 will be displayed.COLOUR: ********************

BILINGUAL: ****************
4) Check the setting values of the SYSTEM CONSTANT SET of Table 1. If the
TUNER: MU
value is different, select the setting item with the MENU U/�key, and setECO SENSOR: YES
LANGUAGE: ****************
the correct value with the MENU - / + key.
5) Press the DISPLAY key twice, and return to the normal screen.
:/ SELECT
- / + : OPERATEDISP : EXIT
(5) Receive channel of setting
Refer to the OPERATING INSTRUCTIONS and set the receive channelsSYSTEM CONSTANT-����
(channels preset) as described
(6) User Setting
SYSTEM CONSTANT SET 2
Check the user setting value of Table 2, and if setting value is different, set
B/B SOUND: OFF
the correct value. LOCK: 180
For setting, refer to the OPERATING INSTRUCTIONS.COLOUR AUTO: NO
QSS: MINT
(7) Setting of SERVICE MENUALC: NO
Verify the setting items of the SERVICE MENU of Table 3, and reset whereTEXT RATE: 20
necessary. :/ SELECT
- / + : OPERATEDISP : EXIT
For setting, refer to the SERVICE ADJUSTMENTS.
KEY ASSIGNMENT OF REMOTE CONTROL UNIT
SYSTEM CONSTANT-ŤŤŤŤ
SYSTEM CONSTANT SET 3
AMP TUNER: YES

VNR: NO
PICTURE
TEXT TABLE: CYL
MODE key
Only for BK :/ SELECT
model
NUMBERS key- / + : OPERATEDISP : EXIT
Fig.2
DISPLAY keyMENU
U/� key
MENU
Y/¤key
[RM-C368]
8No. 51924