KENWOOD CD403
Service Manual

CD-403/403-S/404/406/DPF-R3030/R3030-S/R4030/R4030-S/R6030
ADJUSTMENT
No. ITEM INPUT SETTINGS OUTPUT SETTINGS PLAYER SETTINGS ALIGNMENT POINTS ALIGN FOR FIG.
Open the tray (Normal mode), then turn the power off. While pressing the REPEAT key, turn the AC ON. (Test mode) Press the PLAY/PAUSE key, then confirm that the display is "03". On the power from 0.08 to 0.15 mW, when the diffraction grating is correctly aligned with the RF level of 1.0 Vp-p or more.

1

LASER POWER

�

Apply the sensor section of optical power meter on the pickup lens.

�

(a)

1. Load a disc on disc 1 tray. 2. Turn the power off. 3. While pressing the REPEAT. key, turn the power ON to enter the Test mode. Connect an oscilloscope as follows. CH1: Connect the DC voltmeter to CN3(pin3 and 4) on X32. Press the PLAY/PAUSE key, then confirm that the display is "05". Press the PLAY/PAUSE key, then confirm that the display is 03 or 05.

1

FOCUS ERROR BIAS

Test disc Type 4

FE BIAS VR1

Optimum eye pattern

2

LASER CURRENT CHECK

Test disc Type 4

-

0.5±0.2V

Note: Type 4 disc : SONY YEDS-18 Test Disc or equivalent. LPF: Around 47 k�+ 390 pF or so. Step 1~4 are in Test Mode.

(a) Laser power

0.08~0.15 mW

Pickup

Optical power meter

5