42
1
Tangential Skew and Radial Skew Coarse Adjustment
•
Test mode
TRKG
•
Play the DVD test disc
at outer track.
Player
→
OFF
5
RFO
CN201
DVDM ASSY
Tangential
Adjustment
Screw
Radial
Adjustment
Screw
2
DVD Jitter Adjustment
Probe (10:1)
Oscilloscope
V: 50mV/div.
H: 0.5
µ
sec/div.
AC mode
∗
See “Adjustment
points”.
Mechanism
assy
CH1
CH2
(X)
(Y)
Max.
∗
See “Adjustment
points”.
Mechanism
assy
START
RF(11T)
Max.
RF(11T)
LEVEL
JITTER
X1
27M
Jitter Meter
Probe (10:1)
EQ
UNIT
•
Test mode
TRKG
•
Play the DVD test disc
at outer track
(around #1F0000).
Player
→
ON
5
RFO
CN201
DVDM ASSY
Tangential
Adjustment
Screw
Radial
Adjustment
Screw
∗
See “Adjustment
points”.
Mechanism
assy
∗
See “Adjustment
points”.
Mechanism
assy
START
TV monitor
VIDEO OUT
VIDEO IN
Jitter < 6.0 nS
CHECK
JT:Min.
JT:Min.
JT[0000] 0280
TEST DIG/ANA
6.6 MECHANICAL ADJUSTMENT