KENWOOD CD-403 403-S 404 406 R3030 R3030-S R4030 R4030-S R60

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CD-403/403-S/404/406/DPF-R3030/R3030-S/R4030/R4030-S/R6030
CIRCUIT DESCRIPTION
Pin No. 74 75 76 77 78 Pin Name LED1/SEG15 LED2/SEG14 LED3/SEG13 LED4/SEG12 LED5/SEG11 I/O O O O O O O O Description CD-406: FL indication for DISC1. CD-403/404: FL segment control. CD-406: FL indication for DISC2. CD-403/404: FL segment control. CD-406: FL indication for DISC3. CD-403/404: FL segment control. CD-406: FL indication for DISC4. CD-403/404: FL segment control. CD-406: FL indication for DISC5. CD-403/404: FL segment control. Power supply(-35V). FL segment control. FL grid control. ACTIVE H LED ON SEG. LIGHT ON LED ON SEG. LIGHT ON LED ON SEG. LIGHT ON LED ON SEG. LIGHT ON LED ON SEG. LIGHT ON L

79 VLOAD 80-90 SEG10-SEG0 91-100 GRID9-GRID0

2. Test mode
2-1 How to set up the test mode.
While pressing the REPEAT key, insert the AC plug to the AC wall outlet.

2-2 Contents of the test mode.
KEY AC IN with pressing the REPEAT key. PLAY/PAUSE UP FF FB FL INDICATION CD-406 TEST 03 --:-05 xx:xx 03 --:-FEED OUT FEED IN CD-403/404 tESt 03 --:-05 xx:xx 03 --:-Fed Out Fed In DESCRIPTION The unit is entered to 03 mode if the disc is on the tray, and then the tray opens. 05:F/T SERVO ON î 03:F-SERVO ON and T-SERVO OFF FL all light on î *Niagara mode î normal indication *CD-403/404: all light off The pick up travels outwards. The pick up travels inwards. Stop the function. Shows the result of self_adjustment. 07 EF/FB 08 TG/FG 09 FE/RF 10 TE/VC Mode changes alternately by the STOP key. Release the test mode.

STOP

NG: BLINKING 07 XX:XX 08 XX:XX 09 XX:XX 10 XX:XX Indication value: HEX -

DOWN

2-3 Judgement extent for result of self-adjustment.
ITEMS EF BALANCE adj.: AUTO-GAIN adj. EF JUDGEMENT EXTENT(OK) NONE 0D~7EH 09~7EH NONE 80~CDH 3F~C0H 19~E6H

F- GAIN :FG T-GAIN :TG FE RF TE VC

AVERAGE adj.

3. Initiallizing
KEY FL INDICATION CD-406 CD-403/404 DESCRIPTION · Traverse moves to down- ward. · Initialized EEPROM data. InI InI InI

While pressing the CLEAR key, insert the AC plug to the AC wall INIT OK INIT MECH NG outlet. INIT EENG


-

NORMAL MECHANISM NG EEPROM NG

4

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

A

B

C

D

E

PC BOARD (Component side view)
X25 C/3 X25-6310-10 A/3 (J70-1379-01)
R412 R411

1
S410

S409

S408

CHECK

RANDOM

P.MODE

R410 R409

D306

S420
POWER

S412

S413

S411

R414

TIME DISP.

R415

CLEAR

REPEAT

R413

E8 WH4

4 2 1 3

E9 WH4
W1

A2
3

4 2 1 3

C301

1

ED1

2
1 2 4 11 15 W2 GND R328

3
32 33

17

48

IC1

49

16

64 R331 C303 +5V GND W5 C304

1

W3 W4

4

W6 W7 W8 W9 59 6162

X25 B/3

R330

C305

R402

C302

S404

S401

S419
R422 R421

R405 R401

S403

S402

5

R403

R404

S418 E6 WH3
3 DISC SKIP 1

W10

W11

W12 W13 R407

S406

DISC1 EB

S417

D301 Q105
R417 R301

6
1 2 R416 R419 R420

DISC2

Q102
EB W14 R304 W15 R418 W16

DISC4

S416 D304

S414 D302

CN8
20 21

Q104

EB

R302

Q103
R406 EB R303

Q101
EB

R408

S407

OPEN/ CLOSE

S405

DISC5 3

D305

D303

E5 WH3
1

S415

DISC3

R305

7

6

Refer to the schematic diagram for the value of resistors and capacitors.