23
1
2
3
4
1
2
3
4
C
D
F
A
B
E
PD-217
TEST MODE
W107
W108
Short point
MOTHER BOARD ASSY
TEST MODE : ON
TEST MODE : PLAY
TEST MODE : STOP
=
CANCEL
Spindle motor: START
Spindle servo: CLOSE
CLOSE
OPEN
Tracking servo:
TEST DISC: YEDS-7
PICKUP ASSY
MOTHER BOARD ASSY
(REAR)
(FRONT)
ADJUSTMENT SCREW
(Radial direction)
ADJUSTMENT SCREW
(Tangential tilt direction)
Stop all operation
6.2.1 How to Start/Cancel Test Mode
6.2.2 Adjustment Location
6.2 ADJUSTMENT
TEST MODE
W107
W108
Short point
MOTHER BOARD ASSY
Laser diode: LIGHTS UP
Focus servo: CLOSE
TEST
CN201
TP1
1. RF
2. TR. ER
3. TR. IN
4. VC
5. FO. IN
6. FO. ER
VR151. TR GAIN
VR152. FO GAIN
VR153. RF LEVEL
VR154. FO OFFSET
VR155. TR BAL
VR156. FO BEST
PROGRAM
inwards
outwards
Pickup Move
¡¥¢
4¥1
6
6
6
1
6
CN201
W107
W108
VR151
VR152
VR155 VR156
VR154 VR153
Grating