Adjustment After The Attachment Of The Optical Pick-Up Block; Jigs And Tools; Cd Adjustment - Sony MDP-V10 Service Manual

7-5. ADJUSTMENT AFTER THE ATTACHMENT OF
THE OPTICAL PICK-UP BLOCK

7-5-1. Jigs and Tools

• Hexagonal wrench (Tangential screwdriver: 7-700-766-04)
• Oscilloscope
• MD adjustment cable (J-6082-059-B)
• Alignment disc Ref. 8 (HVL8: 8-797-008-00)/LD YEDS-18 (3-
702-101-01) or an equivalent/CD
• Eccentric screwdriver 4ø (J-6095-029-A)
* Insert the terminal of MD adjusting cable to CN702 on the MB-
97 board.
Fig. 7-1.

7-5-2. CD Adjustment

1 Playback the CD alignment disc (YEDS-18) and press the Pause
button (P) about three seconds later.
2 Connect the oscilloscope to LD RF of the MD adjustment cable
to seen if the waveform shown below again.
Fig. 7-2.
Connect the connector
of MD adjustment cable.
Insert so that the 6P
comes to the right.
7P
6P
Hole of CN702
MB-97 board
Oscilloscope range : 0.1V/div
RF level : Over 0.7 Vp-p
3 Press the STOP button (p) to stop the CD (YEDS-18).
4 Press the OPEN/CLOSE button (§) to draw out the disc tray.
5 Loosen three screws on the feed base block assembly.
Loosen the screw about a turn
from the state of being tight.
Disc tray
STOP button ( p )
7-2
OPEN/CLOSE button ( § )
Fig. 7-3.