Denon DBP-1611UD - Optical Pickup Diagnostics; Laser Drive Current Diagnosis; Disc Playability Diagnosis

13
DIAGNOSTICS OF OPTICAL PICUP
d
MakefailurediagnosticsoftheOpticalPickupasfollows.
q
Ifthelaserdrivecurrent(Iop)becomesmorethanBD:6mA,DVDorCD:12mAoftheinitialvalue,theOptical
Pickupshouldbereplaced.
Thelaserdrivecurrentinitialvalueischeckedby"IopcheckedMethod"ofnetpage.
w
Loadvetimesoffollowingdiscagainandplayingitforoneminute.ItbecomestheaimoftheOpticalPickup
echangewhenitcannotplay.
BD-RE ABD-RE40W(madebyALMEDIO)
IncaseofreplacingthePickup,changethewholepartoftheBDMAINUNIT(includingtheMAINPWBUNIT)orBD
MECAUNITASSY.
Nomechanicaladjustmentisnecessaryafterthereplacement.(OWTOREPACE
TEBDMAINUNITORTEBD
MECAUNITASSY(page1))
Lser drie current initi ue
FLDisplay(Thedisplaypartof13digits)
CD:
1 2 3 4  6 7 8 9 10 11 12 13
T 2 1 : m m m m : n n n n
FLDisplay(Thedisplaypartof13digits)
DVD:
1 2 3 4  6 7 8 9 10 11 12 13
T 2 2 : m m m m : n n n n
FLDisplay(Thedisplaypartof13digits)
BD(SL):
1 2 3 4  6 7 8 9 10 11 12 13
T 2 3 : m m m m : n n n n
Discnoread,unsteadyplayback,etc.
Laserdrivecurrent(Iop)check.
TheBDMAINUNIT
ortheBDMECAUNITASSYreplacing.
CurrentvalueoftheBDIopis6mA,
DVDorCDIopis12mAormorethe
initialvalue.
q
Checkthelaserdrivecurrentvalue
Discnoread,unsteadyplayback,etc.
ABD-RE40Wdiscplayabilitycheck
(Loadvetimesoffollowingdisc)
Disccannotplay.
TheBDMAINUNIT
ortheBDMECAUNITASSYreplacing.
w
Checktheplayabilitydisc