23
1
2
3
4
1
2
3
4
C
D
F
A
B
E
PD-M427
TEST MODE : ON
TEST MODE : PLAY
TEST MODE : STOP
=
CANCEL
6.2.1 How to Start/Cancel Test Mode
6.2.2 Adjustment Location
6.2 ADJUSTMENT
Short Point
W107
W108
MOTHER BOARD ASSY
Short Point
W107
W108
MOTHER BOARD ASSY
TEST DISC : YEDS-7
CD
4
/
1
¡
/
¢
inwards
outwards
Pickup Move
Focus servo : CLOSE
PROGRAM
6
Spindle motor : START
Spindle servo : CLOSE
6
6
Tracking servo :
CLOSE
OPEN
7
STOP all operations.
REAR
FRONT
1
6
CN201
W107
W108
VR151
VR152
VR155 VR156
VR154 VR153
Grating
VR151 : TR GAIN
VR152 : FO GAIN
VR153 : RF LEVEL
VR154 : FO OFFSET
VR155 : TR BAL
VR156 : FO BEST
2
1
4
5
3
6
TP1
1 RF
2 TE
3 TI
4 VC
5 FI
6 FE
CN201
Adjustment screw
(Tangential tilt direction)
Adjustment screw
(Radial tilt direction
)
adjustment
PICKUP ASSY