DPF-K6010V(K) COVER1,1( 98.12.10 10:54 y[W 17
DPF-K6010V
ADJUSTMENT
INPUTOUTPUTALIGNMENT
No.ITEMPLAYER SETTINGSALIGN FORFIG.
SETTINGSSETTINGSPOINTS
While pressing the DISC 3
On the power from 0.05 to
Apply the sensorkey, turn the AC ON. Press
0.15 mW, when the dif-
LASERsection of opticalthe DISPLAY key, and then
1--fraction grating is correct-(a)
POWERpower meter on thepress the SELECT [ 3 ] key.
ly aligned with the RF
pickup lens.confirm that the display is
level of 0.8 Vp-p or more.
"2 01".
Connect an oscillo-
TRACKINGPress the SELECT key(3),Symmetry between upper
Test discscope as follows.TE BALANCE
2ERRORthen confirm that the displayand lower patternsc
Type 4CH1 : RF (CN2 PIN1)VR2
BALANCEis"2 01".DC=0?25mV
CH2 : TE1 (CN2 PIN6)
Connect an oscillo-
FOCUSPress the SELECT key(3),(b)
Test discscope as follows.FE BIAS
3ERRORthen confirm that the displayOptimum eye patternor
Type 4CH1 : RF (CN2 PIN1)VR1
BIASis "2 02".(d)
CH2 : TE1 (CN2 PIN6)
Test discConnect a LPF to
Type 4CN2 pin 5-6 toPress the SELECT key(3),TRACKING
TRACKINGTwo VTVMs should read
4Apply signal of 1.2which you connectthen confirm that the displayGAIN(e)
GAINthe same value.
kHz, 50mVrms toan oscilloscope oris "2 02".VR3
CN2 pin 5-6.AC voltmeters.
Note:
Type 4 disc : SONY YEDS-18 Test Disc or equivalent.
LPF: Around 47 k1 + 390 pF or so.
Step 1~4 are in Test Mode.
(a) Laser power(e) Tracking gain
0.05~0.15 mWCN2
1
2
VC
3
_4
+
1.2 kHz5L.P.F.VTVM
50 mVrms6
Pickup++
Optical power meter7L.P.F.VTVM
10 |
ACEC
