Replacement Of Memory Ic - JVC AV32T25EKS Service Manual

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AV32T25EKS / AV32R25EKS
AV32T55EKS / AV32R250EKS
AV32T25EIS

REPLACEMENT OF MEMORY IC

1. Memory IC
This TV use memory IC. In the memory IC, there are memorized data for
correctly operating the video and deflection circuits. When replacing
memory IC, be sure to us e IC written with the initial values of data.
2. Procedure for replacing memory IC
(1) Power off
Switch the power off and unplug the power cord from the outlet.
(2) Replace IC.
Be sure to use memory IC written with the initial data values.
(3) Power on
Plug the power c ord into the outlet and switch the power on.
(4) Check and set SYSTEM CONSTANT SET :
* * * *
It mus t not adjust without signal.
1) Press the INFORMATION key and the MUTING key of the
REMOTE CONTROL UNIT simultaneous ly.
2) The SERVICE MENU screen of Fig. 1 will be displayed.
3) While the SERVICE
INFORMATION key and MUTING key s imultaneously, and the
SYSTEM CONSTANT SET screen of Fig. 2 will be display ed.
4) Check the setting values of the SYSTEM CONSTANT SET of
Table 1. If the value is different, select the s etting item with the
FUNCTION UP/DOWN key, and s et the c orrect value with the
FUNCTION -/+ key.
5) Press the MENU key to memorize the setting value.
6) Press the INFORMATION key twice, and return to the normal
screen.
(5) Setting of receive channels
Set the rec eive channel.
For setting, refer to the OPERATING INSTRUCTIONS.
(6) User settings
Check the us er setting values of Table 2, and if setting value is
different, set the c orrec t value.
For setting, refer to the OPERATING INSTRUCTIONS.
(7) Setting of SERVICE MENU
Verify the setting items of the SERVICE MENU of Table 3, and reset
where necessary.
For setting, refer to the SERVICE ADJUSTMENTS.
12
PROCEDURE
MENU is displayed,
Global electronic heritage manuals
1. IF
3. AUDIO
5. VSM PRESET 6. VPS
7. SHIPPING (OFF)
1-7 : SELECT
press the
- +
NAME OF REMOTE CONTROL KEY
Names of key
INFORMATION
FUNCTION UP/DOWN
FUNCTION -/+
No. 51968
SE RVIC E ME N U
2. V/C
4. DEF
i : EXIT
Fig.1
SY STEM C ONS TAN T S ET
MODEL=JL_EURO( *. *** * )
1. DESTINATION : EK
JVC JL EURO V00
*** ****
OK: STORE i : EXIT
Fig.2
key
i i i i
MUTING
OK
MENU
▼
26/1/2014