Pioneer DVL-90 Service Manual page 85

DVL-90, DVL-700
® Tracking Error Level Adjustment
(KF yELFLI-VLNIVAS )
« Test mode
DVD MAIN
TRKG-» OFF ASSY
e Play the DVD test disc
at inner track.
S vreet
Oscilloscope
DVD MAIN ASSY
V: SomVidiy,
Probe (10:1)
Be maccial.
DVD Focus S-curve Level Fine Adjustment
(DVD 7 4 —AASFLANILPABE )
¢ Test mode
¢ DVD test disc re 2Vp-p
« Focus Up and Down +10%
VR938
CHi CH2
®) (Y) ;
Oscilloscope
V: 50mV/div.
DVD MAIN ASSY
H: 10msec/div.
Probe (10:1) DC mode
FOCS ERR|®)
85