Denon DVD-A1UDCI, Service Manual

Page: 16 / 175

16
DVD-A1UDCI
1. Iop checked Method
Select the laser ON/OFF(CD/DVD/BD)mode of the test mode, and check the IOP value of CD laser, DVD laser or BD
laser.
(See page 19 for test mode.)
DVD laser current check
Press the 8 or 9 button to display the laser current value, and then select [X].
Check the current value of Iop (nnnn).
(X=1 : CD laser mode, 2 : DVD laser mode, 3 : BD(SL) laser mode, 4 : BD(DL) laser mode)
(nn.nn[mA] : Current value)
2. To clear the accumulated laser on time
Press the
1
button while the accumulated laser on time is displayed ("TC1, "TC2", "TC3" ) until "
＊
" appears at the fourth
position. Press the
8
or
9
button to select "TC4" . If the
1
button is pressed while "TC1" is displayed, the accumu-
lated laser on time of CD, DVD and BD is cleared.
When “TC1”, “TC2” or “TC3” is selected with the
8
or
9
button, "mmmmmm" is displayed as “0” so you can check.
(Y=1 : CD, 2 : DVD , 3 : BD, mmmmmm : Time(Fractions of hours are counted up one hour on the display.)
FL Display (The display part of 13 digits)
1 2 3 4 5 6 7 8 9 10 11 12 13
T 2 L a s e r O n O f f
FL Display (The display part of 13 digits)
1 2 3 4 5 6 7 8 9 10 11 12 13
T 2 X - m m m m - n n n n
FL Display (The display part of 13 digits)
1 2 3 4 5 6 7 8 9 10 11 12 13
T C 4 * - - - - - - - - -
FL Display (The display part of 13 digits)
1 2 3 4 5 6 7 8 9 10 11 12 13
T C Y - - - m m m m m m h