Adjustment - JVC RX-DV31SL Service Manual

4.1 TEST mode (See Fig.1)
(1) Before executing the test mode, press the DVD button on the remote control unit to set the main unit to the DVD mode.
(2) This model is provided with a test mode for use in production control, servicing and repair.
(3) The test mode includes the following four submodes, which are switched over every time the CHOICE button on the remote
control unit is pressed.
(4) The test mode is exited when the power is switched on or off.
(5) While holding the STOP and DVD buttons on the main unit, plug the power cord into the wall power outlet.
(6) The opening screen showing the version number is displayed.
The FL display shows "TEST
DVD button
(TEST mode)
CHOICE button
(TEST mode)
(1) Press the button once: Microcomputer version display mode / The FL display shows the version numbers of the microcomputers
in use.
Displayed information: [System MICON] [Front-end (FE) MICON] [Back-end (BE) MICON]
(2) Press the button twice: Display check mode / All FL and LED segments light up.
(3) Press the button three times: Mechanism check mode / The FL display shows "CHECK".
(4) Press the button four times: Front-end check mode / The FL display shows "EXPERT".
SECTION 4

ADJUSTMENT

". : Destination type symbol.
DVD button
(Initialization)
STANDBY/ON button
OPEN/CLOSE button
(TEST mode)
STOP button
(TEST mode)
FL display
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