JVC KD-DV6105 Service Manual page 24

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4.5 Service mode 3 7 63 1515 0
4.5.1 Standard input/output conditions
Power supply voltage DC14.4V(11 to 16V)
Load impedance 4Ω(2 Speakers connection)
Line Output 20KΩ
4.5.2 Service mode setting procedure
(The DVD does not need to be loaded before starting the following procedure.)
[DISC DOWN] button
(1) Press a [STANDBY/ON ATTENUATOR] button on a main unit and switch it on.
(2) Keep this state more than 2 seconds while continuing pressing the [SEL] button, [STANDBY/ON ATTENUATOR] button and
[SOURCE] button sequentially.
(3) This unit is set by a service mode.
*Exchanging it operate a menu of a service mode with the [DISC UP] button and [DISC DOWN] button.
Operate choice of a menu with a [SEL] button.
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[STANDBY/ON ATTENUATOR] button
[SEL] button
[DISC UP] button
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[SOURCE] button
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