Electrical Adjustment For Dvdm Assy; Vco Offset Adjustment; Video Output Level Adjustment - Pioneer DVL-919 Service Manual

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