Note For The Replacing Of Memory Ic - JVC AV-20FD22 Service Manual

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AV-20FD22

NOTE FOR THE REPLACING OF MEMORY IC

If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to

ensure correct data settings while making reference to TABLE 1.

INI

Enter DATA SET mode by setting VOLUME to minimum.

Press both VOL. DOWN button on the set and Channel button (6) on the remote control for more than 1 second.

ADDRESS and DATA should appear as FIG 1.

ADDRESS is now selected and should "blink". Using the VOL. UP/DOWN button on the remote, step through the

ADDRESS until required ADDRESS to be changed is reached.

Press ENTER to select DATA. When DATA is selected, it will "blink".

Again, step through the DATA using VOL. UP/DOWN button until required DATA value has been selected.

Pressing ENTER will take you back to ADDRESS for further selection if necessary.

Repeat steps 3 to 6 until all data has been checked.

When satisfied correct DATA has been entered, turn POWER off (return to STANDBY MODE) to finish DATA input.

The unit will now have the correct DATA for the new MEMORY IC.

INIT

CRT ON

Table 1

ADDRESS

DATA

0010

Fig. 1

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