AV-16N8
REPLACEMENT OF MEMORY IC
1. MEMORY ICSERVICE MENU
This TV uses the following memory IC.
Memory IC: IC1702 on MAIN PW BoardSERVICE MENU
The memory IC memorizes data for correctly operating the
video and deflection circuits. When replacing the memory IC,1. IF2. V/C
be sure to use the same type IC written with the initial values3. VSM PRESET
of data. In other words, use the specific IC listed in "PRINTED
WIRING BOARD PARTS LIST". For its mounting location, re-
fer to "ADJUSTMENT LOCATIONS".1-3 : SELECTDISP : EXIT
]]]]]]]] ]]]]]]].]]]]
2. PROCEDURE FOR REPLACING MEMORY IC]]] ]]]]]]].]]]]
(1) Power off
Fig. 1
Switch the power off and unplug the power cord from the
wall outlet.
(2) Replacing the memory ICSYSTEM CONSTANT - I
Replace the memory IC with new one. Be sure to use the
memory IC written with the initial data values.SYSTEM CONSTANT SET 1/3
1. INCH: 21
(3) Power on
2. COLOUR: MULTI
Plug the power cord into the wall outlet and switch the3. VIDEO INPUT: 1
power on.4. ECO SENSOR: YES
5. SUPER BASS: NO
(4) Check and setting of SYSTEM CONSTANT SET:
1) Press the DISPLAY key and the PICTURE MODE keya: SELECT
- / + : OPERATEDISP : EXIT
on the remote control unit simultaneously.
The SERVICE MENU screen will be displayed. (See
Fig. 1.)
2) In the SERVICE MENU, press the DISPLAY key andSYSTEM CONSTANT - II
PICTURE MODE key simultaneously. Then, the SYS-
SYSTEM CONSTANT SET 2/3TEM CONSTANT SET screen will be displayed. (See
Fig. 2.)
6. SPATIALIZER: YES
3) Check whether the setting values of the SYSTEM CON-7. VOL. LIMITER: YES
STANT SET are the same as those indicated in Table8. B/B SOUND: NO
1. If the value is different, select the setting item with9. TEXT: NO
the MENU a key, and set the correct value with10. COLOUR AUTO : NO
the MENU - / + key.
a: SELECT4) Press the DISPLAY key twice to return to the normal
- / + : OPERATEDISP : EXIT
screen.
(5) Receive channel setting
SYSTEM CONSTANT - IIIRefer to the OPERATING INSTRUCTIONS and set the
receive channels (channels preset).
SYSTEM CONSTANT SET 3/3
(6) User setting11. LANGUAGE: E/V
Check the user setting values in Table 2, and if setting12. TUNER: MU
value is different, set the correct value.13. AMP TUNER: YES
14. VNR: NO
For setting, refer to the OPERATING INSTRUCTIONS .
(7) Setting of SERVICE MENU
a: SELECT
Verify the setting for each setting item in the SERVICE - / + : OPERATEDISP : EXIT
MENU. (See Table 3.) If readjustment is necessary, per-
form adjustment referring to "SERVICE ADJUSTMENTS".Fig. 2
No. 560946 |
ACEC
JVC
