Service Manual for KENWOOD D-R350

DISC SKIP

TEXT DISP. ALL INFO.

TIME DISP.

REPEAT

RANDOM

P.MODE

4

¢

1

¡

DISC 1

DISC 2

DISC 3

DISC 4

DISC 5

0

6

7

EDIT

PHONES

-ON STANDBY

DIGITAL AUDIO

COMPACT

TEXT

MULTIPLE CD PLAYER

1060CD/1070CD

DP-R6090/R7090

D-R350

SERVICE MANUAL

Knob (BUTTON)

(K27-2178-04)

L

R

VARIABLE

LINE OUTPUT

DIGITAL OUTPUT

SYSTEM CONTROL

OPTICAL

COAXIAL

SL16 XS 8

TEXT

Panel *

(A60-)

Phone jack

(E11-0127-05)

AC power cord *

(E30-)

Phono jack

(E63-1009-05)

Miniature phone jack

(E11-0293-05)

Oscillating module

(W02-1114-05)

Escutcheon

(B07-2294-22)

Front glass

(B10-2364-03)

Knob assy

(K29-6681-24)

Power cord bushing

(J42-0083-05)

Slide switch

(S31-2132-05)

Phono jack

(E63-0199-05)

Metallic cabinet

(A01-3289-01)

In compliance with Federal Regulations, following are reproductions of

labels on, or inside the product relating to laser product safety.

KENWOOD-Corp. certifies this equipment conforms to DHHS Regulations

No. 21 CFR 1040. 10, Chapter 1, Subchapter J.

DANGER : Laser radiation when open and interlock defeated.

AVOID DIRECT EXPOSURE TO BEAM.

Illust is DP-R6090.

* Refer to parts list on page 21.

1060CD/1070CD(k) COVER( 98.4.24 0:29 PM y[W 2

1060CD/1070CD/DP-R6090/R7090/D-R350

2

CONTENTS / ACCESSORIES / CAUTION

CONTENTS / ACCESSORIES / CAUTION ................ 2

EXTERNAL VIEW ........................................................3

ADJUSTMENT ............................................................ 4

PC BOARD ................................................................. 5

SCHEMATIC DIAGRAM ............................................. 9

EXPLODED VIEW .................................................... 18

PARTS LIST.............................................................. 21

SPECIFICATIONS .....................................................27

Accessories

Contents

Note related to transportation and movement

Before transporting or moving this unit, carry out the following

operations.

1. Turn the power ON but do not load a disc.

2. Wait a few seconds and verify that the display shown appears.

Wait further a few seconds.

3. Turn the power OFF.

Caution

1

2

3

4

5

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

no d SC

I

Audio cord (1)

(E30-0505-05)

System control cord (1)

(E30-2733-05)

AC plug adapter (1)

(E03-0115-05)

DP-R6090/R7090/D-R300 : M type only

Remote control unit (1)

(A70-1134-05) : RC-P0601

1060CD/1070CD/DP-R6090/R7090

Batteries (R6/AA) (2)

DP-R4090 only

Battery cover: (A09-0356-08)

1060CD/1070CD(k) COVER( 98.4.24 0:29 PM y[W 3

3

1060CD/1070CD/DP-R6090/R7090/D-R350

EXTERNAL VIEW

DISC SELECTOR

DISC

1

2

¢

4

3

MULTIPLE CD PLAYER D-R350

REPEAT

ON/STANDBY

D.R.I.V.E.

RANDOM

4

5

0

7

6

DISC SKIP

2

3

4

5

TEXT

DIGITAL AUDIO

COMPACT

L

R

LINE OUTPUT

DIGITAL OUTPUT

OPTICAL

COAXIAL

SISTEM

CONTROL

TEXT

Front glass

(B10-2353-22)

Dressing panel

(A21-1964-03)

Indicator

(B12-0312-04)

Indicator

(B12-0313-14)

Panel *

(A60-)

Power cord bushing

(J42-0083-05)

Miniature phone jack

(E11-0293-05)

Phono jack

(E63-0199-05)

Metallic cabinet

(A01-3440-01)

Knob

(K29-6649-02)

Panel

(A29-0858-12)

Knob

(K29-6648-12)

Oscillating module

(W02-1114-05)

AC power cord *

(E30-)

Phono jack

(E63-1009-05)

Illust is D-R350.

* Refer to parts list on page 21.

1060CD/1070CD(k) COVER( 98.4.24 0:29 PM y[W 5

4

1060CD/1070CD/DP-R6090/R7090/D-R350

ADJUSTMENT

FIG.

GND

+

_

L.P.F.

+

L.P.F.

VTVM

1

2

3

4

5

6

7

1.2 kHz

50 mVrms

(a)

No.

ITEM

INPUT

SETTINGS

OUTPUT

SETTINGS

ALIGNMENT

POINTS

ALIGN

FOR

PLAYER

SETTINGS

1

LASER POWER

-

Apply the sensor section

of optical power meter

on the pickup lens.

-

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.

While pressing the

RANDOM key, turn

the AC ON. (Test

mode) Press the

PLAY/PAUSE key,

then confirm that the

display is "03".

(a) Laser power

Pickup

3

FOCUS ERROR

BALANCE

Test disc

Type 4

Connect an oscilloscope

as follows.

CH1 : RF (CN2 pin 1)

CH2 : FE (CN2 pin 2)

FE BALANCE

VR1

Optimum eye pattern

Press the

PLAY/PAUSE key,

then confirm that the

display is "05".

Note:

Type 4 disc : SONY YEDS-18 Test Disc or equivalent.

LPF: Around 47 k

+ 390 pF or so.

0.08~0.15 mW

Optical power meter

2

TRACKING ERROR

BALANCE

Test disc

Type 4

Connect an oscilloscope

as follows.

CH1 : RF (CN2 pin 1)

CH2 : TE (CN2 pin 6)

TE BALANCE

VR2

Symmetry between

upper and lower pat-

terns

Press the

PLAY/PAUSE key,

then confirm that the

display is "03".

CN2

(e) Tracking gain

(e)

4

TRACKING GAIN

Test disc

Type 4

Apply signal of

1.2 kHz,

50mVrms to

CN2 pin 5-6.

Connect a LPF to CN2

pin 5-6 to which you

connect an oscilloscope

or AC voltmeters.

TRACKING

GAIN

VR3

Two VTVMs should

read the same value.

Press the

PLAY/PAUSE key,

then confirm that the

display is "05".

Step 1~4 are in TEST MODE

1060CD/1070CD(k) COVER( 98.4.24 0:29 PM y[W 6

ACE

G

I

BD

F

H

J

2

1

3

5

7

4

6

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

PC BOARD(Component side view)

5

6

CD player unit (X32-333x-xx)

0-10 : D-R350

KP

0-11 : 1060CD

KP

DP-R6090

TE

0-12: 1070CD

KP

0-21 : D-R350

YMI

0-22 : 1060CD

Y

DP-R6090

M

0-23 : 1070CD

Y

1060CD(K) 2P PCB 98.4.24 0:16 PM y[W 1

KENWOOD D-R350 Service Manual

Manual details

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