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Kenwood KDC-MP819 Service Manual
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Kenwood KDC-MP819 Service Manual

Kenwood KDC-MP819 Service Manual

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CD RECEIVER
KDC-MP819/X659/Z838
QQ
3 7 63 1515 0
SERVICE MANUAL
This service manual does not include information on the CD mechanism assembly (exploded view, parts list,
schematic diagram or mechanism operation description).
For such information, please refer to the CD mechanism assembly service manual (X92-4460-0x: B51-7891-00).
KDC-MP819
Panel assy
(A64-2644-11)
KDC-Z838
TE
L 13942296513
Panel assy
(A64-2649-11)
Plastic
cabinet assy
(A02-2712-13)
DC cord
(E30-6062-05)
: KDC-MP819/X659
www
.
Front glass
(B10-4207-01)
Front glass
(B10-4212-01)
Escutcheon
(B07-3050-02): KDC-MP819/Z838
(B07-3057-02): KDC-X659
DC cord
(E30-6106-05)
: KDC-Z838
x
ao
u163
y
i
2 9
8
KDC-X659
Panel assy
(A64-2643-11)
Screw set
Q Q
(N99-1656-05)
3
6 7
1 3
1 5
Lever
(D10-4674-04)x2
Mounting
hardware assy
(J21-9823-03)
co
.
9 4
2 8
©
2002-3 PRINTED IN JAPAN
B51-7927-00 (S) 1727
Front glass
(B10-4206-01)
Screw set
(N99-1723-05)
0 5
8
2 9
9 4
2 8
Remote controller assy
(A70-2025-05): KDC-X659/Z838
Remote controller assy
(A70-2026-05): KDC-MP819
m
9 9
9 9

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Summary of Contents for Kenwood KDC-MP819

  • Page 1 Screw set Screw set (N99-1656-05) (N99-1723-05) L 13942296513 Panel assy (A64-2649-11) Plastic Escutcheon Lever Remote controller assy cabinet assy (B07-3050-02): KDC-MP819/Z838 (D10-4674-04)x2 (A70-2025-05): KDC-X659/Z838 (A02-2712-13) (B07-3057-02): KDC-X659 DC cord Remote controller assy DC cord Mounting (E30-6106-05) (A70-2026-05): KDC-MP819 (E30-6062-05) hardware assy...
  • Page 2 3 7 6 3 1 5 1 5 0 E-VOL OUT LEVEL E'S OUT LEVEL PRE OUT LEVEL KDC-X659 (K) KDC-X659 (K) KDC-X659 (K) KDC-MP819 (K) KDC-MP819 (K) KDC-MP819 (K) KDC-Z838 (M) KDC-Z838 (M) KDC-Z838 (M) 4.5V PRE 1.8V PRE 4.5V PRE...

  • Page 3: Component Description

    KDC-MP819/X659/Z838 COMPONENT DESCRIPTION 3 7 63 1515 0 SWITCH UNIT (X16-168X-XX) Ref.No. Component Name Application/Function Operation/Condition/Compatibility TAR5S33 FL AVR +3.3V Output For FL control lines, 5V → 3.3V logic level shifting TC74HC4050AFT Buffer RS-171 Remote sensor IC BA3830F BPF IC...
  • Page 4 KDC-MP819/X659/Z838 COMPONENT DESCRIPTION 3 7 63 1515 0 Ref.No. Component Name Application/Function Operation/Condition/Compatibility 2SA1576A Q18 and Q20 work as a differential amplifier, Q19 works as a driver, 2SC4081 PRE-AMP -9V AVR and -9.3V is supplied to OP AMP. 2SA1576A 2SC4081...

  • Page 5: Microcomputer's Terminal Description

    KDC-MP819/X659/Z838 MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 IC5 (SWITCH UNIT : X16-168X-XX) Pin No. Pin Name Description Processing Operation SC DATA I/O Data input/output with the system MI-COM. MC CLK Clock input from the system MI-COM. Not used(N.C.)
  • Page 6 KDC-MP819/X659/Z838 MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Pin Name Description Processing Operation Key return 1 input SC REQ Communication request output to the system MI-COM. Lo: Standby, Hi: Request Not used(N.C.) SC CON Control input from the system MI-COM.
  • Page 7 KDC-MP819/X659/Z838 MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Pin Name Description Processing Operation ACC DET ACC detection terminal Lo: ACC ON, Hi: ACC OFF SW5V I/O SW5V control terminal Lo: SW5V ON, Hi-Z: SW5V OFF MUTE I/O MUTE output...
  • Page 8 KDC-MP819/X659/Z838 MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Pin Name Description Processing Operation AVDD A/D converter positive power supply connection terminal Connected to BU 5V lines. AVSS A/D converter ground connection terminal Connected to GND lines. AVREF...

  • Page 9: Test Mode

    KDC-MP819/X659/Z838 TEST MODE 3 7 63 1515 0 1. How to enter the test mode • When the model is equipped the CD mechanism assembly adapted for MP3 or MP3/WMA disc, the While pressing and holding the Preset 1 and Preset 3 keys, mechanism name and version number are displayed reset the unit.
  • Page 10 KDC-MP819/X659/Z838 TEST MODE 3 7 63 1515 0 10. Special display when the display is all on Security-related information Pressing the Preset keys while the power is ALL OFF 1. Forced Power ON mode (All models) displays the following information.

  • Page 11: Switch Unit

    PC BOARD (Foil Side View) PC BOARD (Component Side View) 3 7 6 3 1 5 1 5 0 SWITCH UNIT DAUGHTER UNIT DAUGHTER UNIT SWITCH UNIT SWITCH UNIT SWITCH UNIT X16-168X-XX (J74-1327-22) X89-253X-XX (J74-1332-12) X89-253X-XX (J74-1332-12) X16-168X-XX (J74-1327-22) (X16-168X-XX) (X16-168X-XX) PAN5V (VDD)

  • Page 12: Pc Board (Component Side View)

    PC BOARD (Component Side View) 3 7 6 3 1 5 1 5 0 ELECTRIC UNIT ELECTRIC UNIT (X25-9240-XX) X25-9240-XX (J74-1328-22) C108 C107 C802 C803 C804 C102 C101 R187 R178 R177 R168 R188 R167 IC12 IC11 IC10 S-MTR C142 C106 C105 C100 O G I...
  • Page 13 PC BOARD (Foil Side View) 3 7 6 3 1 5 1 5 0 ELECTRIC UNIT ELECTRIC UNIT X25-9240-XX (J74-1328-22) (X25-9240-XX) C110 C134 C109 W113 C136 R169 R180 C139 C137 C135 C133 W112 C103 C131 C104 C858 R170 R179 R166 R175 R176 R185...
  • Page 14 IC2 SCL DC/DC CONVERTER L3 22uH 9.7V CH REQH IC2 SDA DC CORD Q474 D475 AVCONT MC REQ/FLIP DET 5.0V 5.0V (BOTTOM VIEW) CP7 4.7Kx2 KDC-MP819/X659/X559/Z737 5.0V SW5V 100x2 AVDD Q473 R205 Q476 10.6V 10.6V AVSS 2.2K R397 4.1V AVREF...
  • Page 15 MUTE HFR1 VREF 4.7K 0.47 UNIT C82 0.33u50 MODEL NAME 4.1V C141 4.1V C145 HFL2 330P 2.4V KDC-X659 (K) KDC-MP819 (K) S70-0873-05 5.0V 4.1V 0-00 C86 0.33u50 4.1V C143 KDC-719 (K) (YG) HFL1 A 9V R204 -9.3V 10u16 5.0V KDC-X559 (K)
  • Page 16 2SC4081 SC CON REMO SC REQ PANEL MI-COM. R17 10 20.000MHz (X16-168X-XX) R32 1K UNIT S2,3,5-10, MODEL NAME 12,13,15-19 10uH 5.0V KDC-X659 KDC-MP819 S70-0873-05 0-00 KDC-719 (YG) BPF IC KDC-X559 100Kx4 1Kx4 X838 Z638 270K 1.3V S70-0856-05 2-71 KRC-Z965 (SR/PG)

  • Page 17: Exploded View

    KDC-MP819/X659/Z838 3 7 63 1515 0 EXPLODED VIEW B 2x3.5 N09-6006-05 M2.6x5 N09-6053-05 WASHER N19-2168-05 RETAINING RING N24-3020-46 M2x3 N30-2003-46 DME1 M3x6(BLK) N30-3006-45 M3x10 N30-3010-46 B 2x6 N80-2006-46 B 2x8(BLK) N80-2008-45 B 3x5 N83-3005-46 (X25-) (X25-) B 2.6x6 N84-2606-46 (X16-168X-XX)

  • Page 18: Parts List

    0.10UF K u163 3A ∗ G02-1428-04 FLAT SPRING CK73GB1H103K CHIP C 0.010UF K 3B ∗ G02-1429-04 FLAT SPRING E59-0829-05 RECTANGULAR PLUG (16P) ∗ H10-4802-12 POLYSTYRENE FOAMED FIXTURE K1 : KDC-X659 K3 : KDC-MP819 M1 : KDC-Z838 indicates safety critical components.
  • Page 19 100UF 16WV K1,M1 C25-28 CK73EB1C225K CHIP C 2.2UF K1,M1 D1,2 DA204U DIODE CE04NW1C220M ELECTRO 22UF 16WV K1,M1 D3-5 MA8056-M ZENER DIODE CK73GB1E223K CHIP C 0.022UF K K1,M1 K1 : KDC-X659 K3 : KDC-MP819 M1 : KDC-Z838 indicates safety critical components.
  • Page 20 C130 CK73FB1C334K CHIP C 0.33UF K C131 CK73GB1H103K CHIP C 0.010UF K N30-3006-45 PAN HEAD MACHINE SCREW C132 CC73GCH1H100D CHIP C 10PF N30-3010-46 PAN HEAD MACHINE SCREW K1 : KDC-X659 K3 : KDC-MP819 M1 : KDC-Z838 indicates safety critical components.
  • Page 21 1/10W R210 RK73FB2B102J CHIP R 1.0K 1/8W RK73GB2A183J CHIP R 1/10W R211 RK73GB2A223J CHIP R 1/10W RK73GB2A104J CHIP R 100K 1/10W R212 RK73FB2B102J CHIP R 1.0K 1/8W K1 : KDC-X659 K3 : KDC-MP819 M1 : KDC-Z838 indicates safety critical components.
  • Page 22 S-80837ANNP MOS-IC W120,121 R92-1252-05 CHIP R 0 OHM J 1/16W IC20 BA3121F IC (ISO AMP) W902 R92-1252-05 CHIP R 0 OHM J 1/16W IC21 BA3129F IC (SWITCH) K1 : KDC-X659 K3 : KDC-MP819 M1 : KDC-Z838 indicates safety critical components.
  • Page 23 CPH3105 TRANSISTOR DTC124EUA DIGITAL TRANSISTOR UN5212 DIGITAL TRANSISTOR CPH3105 TRANSISTOR u163 Q101 DTA114YUA DIGITAL TRANSISTOR Q101 UN5114 DIGITAL TRANSISTOR Q103 DTC124EUA DIGITAL TRANSISTOR Q103 UN5212 DIGITAL TRANSISTOR K1 : KDC-X659 K3 : KDC-MP819 M1 : KDC-Z838 indicates safety critical components.
  • Page 24 KDC-MP819/X659/Z838 MEMO 3 7 63 1515 0 L 13942296513 u163...

  • Page 25: Specifications

    KDC-MP819/X659/Z838 SPECIFICATIONS 3 7 63 1515 0 KDC-MP819 KDC-X659 FM Section FM Section Frequency Range ........87.9MHz-107.9MHz Frequency Range ........87.9MHz-107.9MHz (Frequency Step) ........(200kHz) (Frequency Step) ........(200kHz) Channel Space Selection ...... 50k/200kHz Channel Space Selection ...... 50k/200kHz Usable Sensitivity (S/N:30dB) ....9.3dBf (0.8µV/75Ω) Usable Sensitivity (S/N:30dB) ....
  • Page 26 Channel Separation ..... 90dB MP3 Decode ........ Compliant with MPEG-1.0/2.0/2.5 AudioLayer-3 KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. KENWOOD CORPORATION 14-6, Dogenzaka 1-chome, Shibuya-ku, Tokyo 150-8501, Japan KENWOOD SERVICE CORPORATION KENWOOD ELECTRONICS ITALIA S.p.A.

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Kdc-x659Kdc-z838

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