Kenwood KMD-671R Service Manual
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Kenwood KMD-671R Service Manual

Kenwood KMD-671R Service Manual

Md receiver
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Download this manual See also: Instruction Manual
MD RECEIVER
KMD-671R
SERVICE MANUAL
This service manual does not include information on the MD mechanism assembly (explodedview, parts list,
schematic diagram or mechanism description).
For such information, refer to the MD mechanism assembly manual (X92-3390-00,0-01,X92-3560-00,
X92-3580-00:B51-7461-00).
Front glass
(B10-3117-01)
LOUD
ATT
1
Plastic cabinet assy
(A02-1486-13)
Lever
(D10-3031-04) x2
Stay
(J54-0606-04)
: M type only
Escutcheon
(B07-2181-02)
MD RECEIVER CD·MD-CHANGER CONTROL
SCAN
RDM
REP
2
3
4
Mounting hardware assy
(J21-9491-03)
Screw set
(N99-1610-15)
: M type only
Screw set
(N99-1632-05)
: M type only
©
2000-1 PRINTED IN JAPAN
B51-7580-00(S) 2209
Panel assy
(A64-1881-02)
KMD-671R
45Wx4
MENU
AUD
D.SCAN
M.RDM
TI
VOL ADJ
5
6
DC cord
(E30-4790-05)
: E type only
DC cord
(E30-4785-05)
: M type only
SRC
PWR
DISC +
OFF
PTY
L
FM
AM
CLK
NAME.S
DISC -
Remote controller assy
(A70-0883-05): M type only
SIZE AAA Battery
Not supplied as
service parts
Antenna adaptor
(T90-0523-05)
: E type only

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Summary of Contents for Kenwood KMD-671R

  • Page 1 MD RECEIVER KMD-671R SERVICE MANUAL © 2000-1 PRINTED IN JAPAN B51-7580-00(S) 2209 This service manual does not include information on the MD mechanism assembly (explodedview, parts list, schematic diagram or mechanism description). For such information, refer to the MD mechanism assembly manual (X92-3390-00,0-01,X92-3560-00, X92-3580-00:B51-7461-00).

  • Page 2: Table Of Contents

    KMD-671R CONTENTS BLOCK DIAGRAM .............. 2 SCHEMATIC DIAGRAM ........... 11 COMPONENT DESCRIPTION ........... 3 EXPLODED VIEW ............17 MICROCOMPUTER’S DESCRIPTION ....... 4 PARTS LIST ..............18 ADJUSTMENT ..............6 SPECIFICATIONS ..........Back cover PC BOARD ................. 7 BLOCK DIAGRAM...

  • Page 3: Component Description

    KMD-671R COMPONENT DESCRIPTION SWITCH UNIT(X13-9702-71) Ref.No. Component Name Application/Function Operation/Condition/Compatibility LC75808W LCD driver with key-matrix RS-171 Remote control light sensor DTA114EKorUN2111 Key-matrix permission SW Ready on key-matrix, ON when the base goes “Lo”. 2SD2114K Illumination SW(Red) ON when the base goes “Hi”.

  • Page 4: Microcomputer's Description

    KMD-671R MICROCOMPUTER'S DESCRIPTION System µ-com : UPD784216GF520 Terminal Description Pin No. Pin Name Description Processing Operation TYPE 0 Destination type input terminal 0 Pull up to BU 5V lines TYPE 1 Destination type input terminal 1 Pull down to GND N.C.
  • Page 5 KMD-671R MICROCOMPUTER'S DESCRIPTION Pin No. Pin Name Description Processing Operation N.C. Not used AVDD VDD connection terminal Connected to BU 5V lines AVREF 0 VDD connection terminal(A/D converter reference Connected to BU 5V lines voltage input) PHONE PHONE detection input 1V or less: TEL MUTE, 2.5V or greater: NAVI MUTE...

  • Page 6: Adjustment

    KMD-671R ADJUSTMENT TEST MODE 1. To enter test mode While holding the “FM” key and preset “6” key, reset the unit. All indication segments are ON at the beginning of test mode. 2. To release test mode Simply reset the unit.

  • Page 7: Pc Board

    PC BOARD (Component Side View) ELECTRIC UNIT SWITCH UNIT ELECTRIC UNIT (X25-845X-XX) X25-845X-XX (J74-0980-12) X13-9702-71 (J74-0982-12) R116 4.332MHz R117 IC10 R175 R174 R48 R47 S-METER R150 SWITCH UNIT (X13-9702-71) R147 IC2SCK R107 R139 R145 IC2SDA I G O R133 R134 R137 R135 11 13...

  • Page 8: Schematic Diagram

    PC BOARD (Foil Side View) SWITCH UNIT ELECTRIC UNIT ELECTRIC UNIT (X25-845X-XX) X25-845X-XX (J74-0980-12) X13-9702-71 (J74-0982-12) R116 4.332MHz D50 D51 R117 IC10 R175 R174 S-METER R150 SWITCH UNIT (X13-9702-71) R147 IC2SCK R107 R139 R145 IC2SDA O G I R133 R134 R137 10 6 R135...
  • Page 9 RESET 5.0V 9 10 11 5.0V RESET IC (X25-845X-XX) R42,46,48, R47, MODEL NAME Destination D6,9 D7,30-37 70,71,78 KMD-42 (K) 0-11 0.082 0-21 120P KMD-671R (M,E) 2-71 120P CONNECTOR DC CORD DC CORD DC CORD (E30-4785-05) (E30-4783-05) (E30-4790-05) KMD-671R(M) KMD-42 KMD-671R(E)
  • Page 10 R174 100K 100K returned to the customer. R175 0.01 DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual instruments or/and units. X13- To MD MECHANISM FLAT CABLE (E39-0338-05) (X92-3560-00/01) KMD-671R...
  • Page 11 KEY-MATRIX ESD-G PERMISSION SW DISP REMOTE SENSOR (SEGMENT) (X13-970X-XX) R12, Q2,3 MODEL NAME Destination KMD-42 0-11 KMD-671R 2-71 IC1 : LC75808W D1,2 B30-1572-05 IC2 : RS-171 D7-22 : B30-1569-05 ( ) or B30-1533-05 ( : DTA114EK or : B30-1564-05 UN2111...

  • Page 12: Exploded View

    KMD-671R EXPLODED VIEW (UNIT) Parts with exploded numbers larger than 700 are not suppied.

  • Page 13: Parts List

    KMD-671R PARTS LIST ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. SWITCH UNIT (X13-9702-71) Teile ohane Parts No. werden nicht geliefert. Dest Dest Ref.No. Parts No.
  • Page 14 KMD-671R PARTS LIST ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. ELECTRIC UNIT (X25-845X-XX) Teile ohane Parts No. werden nicht geliefert. Dest Dest Ref.No. Parts No.
  • Page 15 KMD-671R PARTS LIST ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. ELECTRIC UNIT (X25-845X-XX) Teile ohane Parts No. werden nicht geliefert. Dest Dest Ref.No. Parts No.
  • Page 16 KMD-671R PARTS LIST ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. ELECTRIC UNIT (X25-845X-XX) Teile ohane Parts No. werden nicht geliefert. Dest Dest Ref.No. Parts No.

  • Page 17: Specifications

    D/A Converter ..........1 Bit Weight ............1.4kg Spindle Speed ..........400~900rpm(CLV) KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. US and foreign patents licensed from Dolby Laboratories Licensing Corporation. KENWOOD CORPORATION...

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