Note For The Replacing Of Memory Ic - JVC TV-20F242 Service Manual

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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.

NOTE:

Initial Data setting will not be possible if clock has been set. To reset clock, either unplug AC cord and allow

at least 5 seconds before Power On.

ADDRESS DATA ADDRESS DATA ADDRESS DATA ADDRESS DATA ADDRESS DATA

Enter DATA SET mode by setting VOLUME to minimum.

While holding down VOLUME button on front cabinet, press key 6 on remote control simultaneously.

ADDRESS and DATA should appear as FIG 1.

ADDRESS is now selected and should "blink". Using the SET + or - keys 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 SET + or - 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.

NOTE FOR THE REPLACING OF MEMORY IC

Table 1

ADDRESS

DATA

INIT

POWER ON

0010

0003

PLAY/REC

Fig. 1

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