Kenwood DP 730 Service Manual

Page 1

DP-730 KENWOOD

SERVICE MANUAL

i 851-3951-00 (O) 1702

Panel (Tray) Metallic cabinet Panel
(A2970150»03) (Am-18] 4701) (A20-5907702)

Knob iPOWER) Dressing plate Ring

(Kw-376504) 13037257204) USS-006905) x 2
Phone jack (OUTPUT) AC power cord*

(EH-0244705) (5307)

i i
Foot Miniature phone jack (SYSTEM CONTROL) Slide switch (PDWGr voW 3

(J02-1013-05) x 2 (E1170188A05) iS3i-2131r05i
i
7» u if L Wii ti n : i
i in compiicance wnh Federai Regulations, foliowmg are reproduc- Cau 0
(ions of iabeis on, or inside the product relating to iaser product i _ _
safety. a three types dependlng on the manufacturing loca-

tion. (Japan, Singapore, France).

KENWOODvCorp. certifies this equipment conforms to DHHS i
Regulations No. 21 CPR 7040 10, Chapter i, Subcnapter J. i

1 DANGER: Laser radiation when open and interlock defeated.
i AVOID DIRECT EXPOSURE TO BEAM.

The mechanism ass'y used with the DP-730 varies in
i

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DP-73O

CONTENTS

CONTROLS
DISASSEMBLV FOR REPAIR
1. Removing the outside fittings...
2. Removing and lnstalllng the tr-
3. Removing the pickup (Japan made)
3. Removing the pickup
(Singapore and France made)
BLOCK DIAGRAM
CIRCUIT DESCRIPTION
1. Description of components
2. Test mode
3. Microprocessor : pPD75212ACW-130
(X32-1482-72 : ICI)
4. RF AMP : CXA1081S (X32-1482-72. Cl) 15
5. Servo control : CXA1244S
(X32-I82-72 : ICZ)
6. Digital signal processor CXD113SOZ
(X32-1482-721I03)" ..
7. Digital filtar P000590 (X32- 1482- 72: I08) 22

...... 3

MECHANISM OPERATION DESCRIPTION .
1. Tray OPEN/CLOSE operation ......
2. Pickup chassis UP/DOWN movement
3. Gear installing pos
ADJUSTMENT
REGLAGE .
ABGLEICH
VOLTAGE TABLE
PC BOARD (COMPONENT SIDE VIEW)
PC BOARD (FOIL SIDE VIEW). 40
SCHEMATIC DIAGRAM
EXPLODED VIEW (MECHANISM)
: JAPAN MADE ......
EXPLODED VIEW (MECHANISM)
: SINGAPORE MADE
EXPLODED VIEW (MECHANISM)
: FRANCE MADE
EXPLODED VIEW (UNIT) .
PARTS LIST .....
SPECIFICATIONS

. BACK COVER

1 JAPAN MADE SINGAPORE MADE I FRANCE MADE
OPERATION UNIT' X253730-O) X256502-70 ; X25-3802»7i
CONTROL UNIT' XIII-148042 (M) X32-(522-7) X32-1522-73
X32~1ABZV72 (T90
MECHANISM ASS'Y x92-1370-oo x9244m00 f XSZVIMDOO
(CUM-14) (CDMVMSA) I (CDMVMX)

The eieclric CIrcult Is the same (or every products

Caution :

The mechanism ass'y used with the DP-730 varies in three
types depending on the manufacturing location. (Japan, Sin-

gapore, France).

Disc tray %

DP-73O
CONTROLS

OPEN/CLOSE key E
Open/dose mo disc tray.
Numeric keys (7. . 2707 0_ Mg

DIsplay wmdD Select track (and mm in em modeI

KENWOOD (ovum W M...

®

[a

L........

POWE R switch

SEARCH keys(E "
Press to (an-forwavd 0L averse) the play position
SKIP keys (:1 . :5)
The next track or previous track can be listened to
STOP key i-~-

PLAY/PAUSE key Md
Switches between play and pause.