CDP-X5000 - Sony Audio Service Manual (repair manual). Page 11

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(Be sure to perform this adjustment when the optical pick-up or a
mechanical part of the optical pick-up has been replaced.)
1. Remove the top plate. (See 3. Disassembly/Top Plate Assembly)
2. Remove the eight screw (+B3X8) of the top plate and remove the

KEY board.

3. Connect the KEY board connector and the DISPLAY board con-

nector.

4. Remove the base unit. (Do not disconnect the connectors.)

(Refer to 3. Disassembly/Base Unit.)

5. Adjust with the unit placed sideways as shown in the figure.
6. Connect and oscilloscope to TP (RF: 1Pin of CN215).
7. While pressing the 

±and ·buttons, press the POWER but-

ton. (The discrete open/close detection is turned OFF.)

8. Set a disk (YEDS-18) and press the 

·button.

9. Rotate the adjustment screw with a Phillips screwdriver and ad-

just so that the oscilloscope waveform becomes clear.

Note: A clear RF signal waveform means that the shape “

◊

” can be

clearly distinguished at the center of the waveform.

RF signal waveform

level : 1.2           Vp-p

VOLT/DIV : 200mV
TIME/DIV : 500ns

+0.25
–0.20

Adjustment
screw

Base unit

KEY BOARD

10.After the adjustment, lock the adjustment screw.

[ SERVO BOARD ] — Conductor Side —

CN514

CN513

(ADJ)

(PLK)

CN515

IC101

CN215

CN210

6      4          1

3      1

(RF)

(FE)

(VC)

(TE)

29 (FEI)

27 (TEI)

1

12
10

2

11

1

Note: Hold the base

unit horizontally.