JVC AV29A10EUS, Руководство по обслуживанию

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No. 51818
AV29A10EUS
11
REPLACEMENT OF MEMORY ICs
1. Memory ICs
This TV use memory ICs. In the memory ICs, there are memorized data
for correctly operating 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
PROCEDURE
(1)
Power off
Switch the power off and disconnect the power plug.
(2) Replace ICs .
Be sure to use memory ICs written with the initial data values.
(3) Power on
Connect the power plug and switch the power on.
(4) Check and set SYSTEM CONSTANT SET
It must not adjust without signal.
1) Press the
INFORMATION
key and the
MUTING
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, press the
INFORMATION
key and
MUTING
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
FUNCTION UP/DOWN
key, and set the correct value with the
FUNCTION LEFT/RIGHT
key.
5) Press the MENU ( OK ) 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 receive channel.
For setting, refer to the OPERATING INSTRUCTIONS.
(6) Setting of SERVICE MENU
Verify the setting items of the
SERVICE MENU
of Table 2, and reset
where necessary.
For setting, refer to the SERVICE ADJUSTMENTS.
(7) User settings
Check the user setting values of Table 3, and if setting value is
different, set the correct value.
For setting, refer to the OPERATING INSTRUCTIONS.
Fig.1
SYSTEM CONSTANT SET
+ : STORE : EXIT
1. DESTINATION
**
OK
i
Fig.2
2. CRT TYPE 4 : 3
3. PURITY NO
4. PICTURE TILT NO
5. DIGIPURE PRO YES
6. PIP 1 TUNER
7. PIC & TEXT NO
8. DOLBY NO
9. BBE YES
10. PROGRESSIVE YES
11. TDA9178 YES
12. TONE IC NO
13. FLAT YES
REMOTE CONTROL UNIT KEY ASSIGNMENT
INFORMATION
MENU
MUTING
FUNCTION
UP/DOWN
FUNCTION
LEFT/RIGHT