6.8 ELECTRICAL ADJUSTMENT FOR DVDM ASSY
1
VCO Offset Adjustment
• Normal mode
• Play the DVD test disc
START
DVDM ASSY
1
IC302
2
Video Output Level Adjustment
• Normal mode
• Still the DVD test disc
at 100% white screen
part
VIDEO
OUT
START
TV monitor
VIDEO
IN
VC301
Player
VR801
Player (Rear)
DVDM
ASSY
Probe (10:1)
DVDM
ASSY
Probe (10:1)
DVL-919
1.9V
± 0.1V
GND
CH1
CH2
(X)
(Y)
Oscilloscope
V: 50mV/div.
H: 10msec/div.
DC mode
TV trigger
1Vp-p
CH1
CH2
(X)
(Y)
Oscilloscope
V: 20mV/div.
H: 10µsec/div.
AC mode
TV trigger
75