Kenwood KDC-MP819 Service Manual Download Page 1

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2002-3 PRINTED IN JAPAN

B51-7927-00 (S) 1727

CD RECEIVER

●

KDC-MP819/X659/Z838

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).

Front glass
(B10-4207-01)

Panel assy
(A64-2644-11)

KDC-MP819

Front glass
(B10-4212-01)

Panel assy
(A64-2649-11)

KDC-Z838

Front glass
(B10-4206-01)

Panel assy
(A64-2643-11)

KDC-X659

Screw set
(N99-1723-05)

Screw set
(N99-1656-05)

Lever
(D10-4674-04)x2

Mounting
hardware assy
(J21-9823-03)

Plastic
cabinet assy
(A02-2712-13)

Remote controller assy
(A70-2026-05): KDC-MP819

Remote controller assy
(A70-2025-05): KDC-X659/Z838

Escutcheon
(B07-3050-02): KDC-MP819/Z838
(B07-3057-02): KDC-X659

DC cord
(E30-6062-05)
: KDC-MP819/X659

DC cord
(E30-6106-05)
: KDC-Z838

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Summary of Contents for KDC-MP819

Page 1: ...12 01 Panel assy A64 2649 11 KDC Z838 Front glass B10 4206 01 Panel assy A64 2643 11 KDC X659 Screw set N99 1723 05 Screw set N99 1656 05 Lever D10 4674 04 x2 Mounting hardware assy J21 9823 03 Plastic cabinet assy A02 2712 13 Remote controller assy A70 2026 05 KDC MP819 Remote controller assy A70 2025 05 KDC X659 Z838 Escutcheon B07 3050 02 KDC MP819 Z838 B07 3057 02 KDC X659 DC cord E30 6062 05 ...

Page 2: ...EJECT G EJECT R G CD MD FM AM BU5V PRE MUTE PMUTE PSTBY MUTE BEEP AUX SW CD AUX E VOL OUT LEVEL A8V IFC OUT SW5V A8V SCL QUAL AFS SERVO BU5V Rch Lch A8V CD5V A8V A8V REQ H RST REQ C CH CON CLK A8V A8V B B BACK UP BU5V BU5V MC REQ SC CON FL B RED SI2 SI1 CLK GREEN KS1 KS4 KR1 KR5 F01 F06 WAVE P5V MC CLK SC REQ P RST MC DATA GCP LAT P5V REMO FL B FAC BK P5V A8V B B SERVO FAC FL B MI COM CD5V MI COM ...

Page 3: ...er for the spectrum analyser and generation of Vref 1 2Vcc voltage IC10 NJM4565M TE2 Op amp Amplifier for the front pre outputs IC11 NJM4565M TE2 Op amp Amplifier for the non fader pre outputs IC12 NJM4565M TE2 Op amp Amplifier for the rear pre outputs IC16 S 80837ANNP Reset IC When BU 5V voltage is less than 3 7V IC outputs Lo IC20 BA3121F Isolation amplifier AUX inputs isolation amplifier IC21 B...

Page 4: ...oes Hi Pre output is muting Q39 DTC143TUA or UN5216 Audio mute SW Non Fader R When Q39 s base goes Hi Pre output is muting Q40 DTC143TUA or UN5216 Audio mute SW Non Fader L When Q40 s base goes Hi Pre output is muting Q41 DTC143TUA or UN5216 Audio mute SW Rear L When Q41 s base goes Hi Pre output is muting Q42 DTC143TUA or UN5216 Audio mute SW Rear R When Q42 s base goes Hi Pre output is muting Q4...

Page 5: ...Hi Reset release 35 XT1 Sub clock resonator connection terminal Not used Pull down to GND lines 36 XT2 Sub clock resonator connection terminal Not used N C 37 REGC Capacitor connection terminal for regulator inside microprocessor 38 X2 Main clock resonator connection terminal 39 X1 Main clock resonator connection terminal 40 VSS Ground connection terminal Connected to GND lines 41 VDD Positive pow...

Page 6: ...Panel attached 7 IC2 SDA I O Data input output with IC2 IC5 and IC25 8 IC2 SCL I O Clock input output with IC2 IC5 and IC25 9 EVDD Positive power supply connection terminal Connected to BU 5V lines 10 EVSS Ground connection terminal Connected to GND lines 11 PAN RESET O Reset output to the panel MI COM Lo Reset or Momentary power down detected 12 BEEP O BEEP output 13 REMO I Data input from the wi...

Page 7: ... During FM reception Hi During last FM mode with RDS RDBS model 51 AM B I O AM B control Hi During AM reception 52 FM B I O FM B control Hi During FM reception Hi During last FM mode with RDS RDBS model 53 R QUAL I Quality input from the RDS decoder IC Except RDS RBDS model Not used pull down to GND lines 54 R DATA I Data input from the RDS decoder IC Except RDS RBDS model Not used pull down to GN...

Page 8: ...H MUTE I Mute request from changers Hi Mute request 88 PHONE I PHONE detection input 1V or less TEL MUTE 2 5V or greater NAVI MUTE 89 SC CON O Control output to the panel MI COM Hi Operation mode 90 SOURCE I O SOURCE key detection input Not used N C 91 CD SW1 I Loading SW detection input Lo Loading start 92 CD SW4 I O 8cm disc detection SW input Not used N C 93 R CLK I Clock input from the RDS dec...

Page 9: ...ng the Preset 1 and Preset 3 keys reset the unit 2 How to exit from the test mode Reset the unit ACC OFF power OFF and Panel detached Note The test mode cannot be terminated by momentary power down 3 Initial status in the test mode Sources ALL OFF Display All segments are lit Volume 10 dB displayed as 30 Loudness OFF CRSC OFF regardless of the presence of switching function SYSTEM Q Flat BEEP When...

Page 10: ...y Number up AM key Number down Track Up key Cursor right shift Track Down key Cursor left shift 5 Hold down the Track Up key for at least 3 seconds and the message RE ENTER appears so once again enter the code according to Step 4 above 6 Press and hold the Track Up key for 3 seconds until APPROVED is displayed 7 Exit from the test mode See 2 How to exit from the test mode Note All Clear is not app...

Page 11: ...7 C8 C9 C10 C12 C13 CP1 CP2 CP3 CP4 L1 L2 L4 L9 L13 R1 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R21 R25 R27 R32 R33 R34 R36 R39 R42 R43 X1 R50 R49 R48 R51 W2 CP9 C20 C21 15 1 2 16 31 30 1 80 51 50 100 81 1 16 9 8 4 5 1 3 9 1 18 10 E B B E E B E B VDD PAN5V 3 3V FAC SCDATA KR3 SCREQ SCCON MCCLK RST MCREQ KR2 KS1 CLK KS2 DO KS3 DI KS4 KR5 FLGND FL B VPP GND FAC VDD2 ESD GND KR4 AUDIO PRST SOURCE KR1...

Page 12: ... 34 23 33 28 15 1 14 4 1 5 8 1 4 5 8 4 1 8 5 32 17 1 16 5 8 1 4 1 4 5 8 1 14 8 7 8 50 31 1 81 100 5 4 51 80 30 1 14 8 1 7 5 1 22 1 1 24 1 3 4 5 1 2 4 3 E B EB EB EB EB EB EB E B EB EB EB EB EB EB E B EB E B E B E B E B E B E B EB EB RES GND S MTR CD NOISE IFC MD SDA SCL BU5V TEST C1 C4 C8 C11 C13 C15 C704 C22 C23 C24 C29 C32 C33 C45 C53 C58 C59 C60 C63 C113 C114 C115 C116 C142 C143 C252 C255 C263 ...

Page 13: ...6 R903 R33 R901 L501 C904 C55 R900 R361 R362 R357 R355 R353 R403 R407 R405 R58 R409 R412 R414 R406 R404 R147 R59 R410 R408 CP11 R148 C853 R49 C18 R34 R57 C205 C54 R50 C201 R146 R145 R141 R149 R142 C206 R53 C202 R54 W7 W8 R52 C17 R55 R702 C703 C12 R56 W121 W117 C857 W120 C2 L3 R161 R162 R175 R173 R166 R164 R165 R163 R170 R169 C98 C97 C83 R172 R171 R182 R181 C88 C91 C92 W5 C90 C89 W6 W3 W2 W1 C87 C8...

Page 14: ...407 100K R409 100K R403 100K R404 100K R405 100K PRE MUTE L 46 AFS AM B 50 FM B PRE MUTE R DSP LATCH DSP CLK DSP DATA 49 48 47 R58 100K 45 42 CLK OUT E2P DET 43 45 44 NC VDD VSS X1 39 41 40 R QUAL R DATA IC2TYPE0 BVSS BVDD P ON IC2TYPE1 TYPE3 TYPE2 TYPE1 TYPE0 R361 2 2K 80 79 78 77 76 75 74 73 72 71 70 68 67 66 69 65 CP5 R401 1K R400 100 1Kx2 1000P R397 1K C351 CP6 2 2Kx2 CP12 100Kx2 M MUTE R M MU...

Page 15: ...4 2 3 BOUT BIN BIN V 6 7 5 8 2 AUX Rch 3 AUX 1 R141 15K R146 820 R147 1K R148 9 1K R149 10u16 C55 1 C54 0 01 R145 47K C58 10u16 4 7u25 C50 R140 47K 4 7u25 C49 C53 4 7u25 1K R142 C52 4 7u25 47K R143 C51 4 7u25 R154 330K R153 330K 10 9 18 17 20 19 12 11 15 16 13 14 4 3 8 7 6 5 2 1 R137 4 7K R130 4 7K 2 CH MUTE CH RST CH CON 3 1 1 5 3 R136 4 7K R135 4 7K R134 100 4 5 R132 100 R133 100 R131 4 7K 8 7 6...

Page 16: ... 4 3 10 7 8 5 6 9 17 14 12 13 16 15 18 2 a b 2a 30a G1 d c G2 G26 G25 f h g e G24 G23 c d a b G47 G46 g h e f G44 G45 f h g e g G48 30g 2g G3 G4 c d b a G5 a b c a d d b c e g f h KR1 KR2 KR3 KR4 KR5 KS1 KS2 KS3 KS4 C12 1 R32 1K R33 22K R34 100K R35 100K C8 10 F01 72 F02 F03 F05 F04 F06 91 95 2 89 1 34 KS4 KS3 KS2 KS1 F05 F06 83 KR5 KR4 KR3 KR2 KR1 91 89 95 100K R36 10K R1 CTL GND NIS 1 2 0 01 C2 ...

Page 17: ...arts list 792 X25 796 X25 795 X25 798 X25 X25 9240 XX K K G F G G 232 233 234 740 739 739 743 K 793 X25 797 X25 X25 A1 K DME1 245x2 245x2 245x2 245x2 W9 X25 Kx2 Fx2 A FC1 207 200 280 220x2 213 260 RC1 DC1 DC2 RC2 281 794 X25 K A 759 J J F Fx3 202 J J X16 168X XX Fx3 784 785 F 701 738 F K K N F1 K Bx2 B 253 251 223 226 222 221 786 205 763 C L 762 225 755 227 224 227 261 229 252 E 203 215 214 204 70...

Page 18: ...K73FB1A105K CHIP C 1 0UF K C12 CK73FB1A105K CHIP C 1 0UF K C13 CK73GB1C104K CHIP C 0 10UF K C16 19 CK73GB1H103K CHIP C 0 010UF K C20 CK73GB1H104K CHIP C 0 10UF K C21 CK73GB1H103K CHIP C 0 010UF K J1 E59 0829 05 RECTANGULAR PLUG 16P 200 1A A02 2712 13 PLASTIC CABINET ASSY 202 1B A52 0811 12 TOP PLATE 203 2A A21 4175 04 DRESSING PANEL 204 2A A21 4184 02 DRESSING PANEL K1 204 2A A21 4209 02 DRESSING ...

Page 19: ...57 05 TACT SWITCH S12 13 S70 0856 05 TACT SWITCH M1 S12 13 S70 0873 05 TACT SWITCH K1 K3 S14 S70 0857 05 TACT SWITCH S15 19 S70 0856 05 TACT SWITCH M1 S15 19 S70 0873 05 TACT SWITCH K1 K3 S20 S70 0857 05 TACT SWITCH D1 2 DA204U DIODE D3 5 MA8056 M ZENER DIODE ELECTRIC UNIT X25 9240 XX D9 MA8056 M ZENER DIODE D10 11 FTZ6 8E ZENER DIODE D12 MA8062 L ZENER DIODE D13 14 MA8056 M ZENER DIODE D15 16 DA2...

Page 20: ...CK73GB1H102K CHIP C 1000PF K C113 CE04NW1C470M ELECTRO 47UF 16WV C114 C90 2551 05 ELECTRO 33UF 10WV C115 116 C90 2558 05 ELECTRO 1 0UF 50WV C117 120 C90 5297 05 NP ELECT 0 22UF 50WV C129 C90 5308 05 ELECTRO 1 0UF 50WV C130 CK73FB1C334K CHIP C 0 33UF K C131 CK73GB1H103K CHIP C 0 010UF K C132 CC73GCH1H100D CHIP C 10PF D C133 CK73GB1H103K CHIP C 0 010UF K C134 CC73GCH1H100D CHIP C 10PF D C135 CK73GB1...

Page 21: ...2H332J SMALL RD 3 3K J 1 2W R46 RK73EB2E473J CHIP R 47K J 1 4W R47 RK73GB2A183J CHIP R 18K J 1 10W R48 RK73GB2A104J CHIP R 100K J 1 10W R50 RK73GB2A104J CHIP R 100K J 1 10W R52 54 RK73GB2A473J CHIP R 47K J 1 10W R55 56 RK73EB2E100J CHIP R 10 J 1 4W R57 RK73EB2E4R7J CHIP R 4 7 J 1 4W R58 RK73GB2A104J CHIP R 100K J 1 10W R98 RK73GB2A472J CHIP R 4 7K J 1 10W R103 RK73FB2B472J CHIP R 4 7K J 1 8W R111 ...

Page 22: ...CHIP R 47K J 1 10W R422 RK73GB2A223J CHIP R 22K J 1 10W R475 RK73FB2B223J CHIP R 22K J 1 8W R477 RK73GB2A102J CHIP R 1 0K J 1 10W R815 RK73GB2A222J CHIP R 2 2K J 1 10W R902 RK73GB2A104J CHIP R 100K J 1 10W R903 RK73GB2A471J CHIP R 470 J 1 10W R905 RK73GB2A471J CHIP R 470 J 1 10W W1 6 R92 1252 05 CHIP R 0 OHM J 1 16W K3 W11 12 R92 1252 05 CHIP R 0 OHM J 1 16W K1 M1 W14 R92 1252 05 CHIP R 0 OHM J 1 ...

Page 23: ...R Q34 2SC4081 TRANSISTOR Q35 DTC124EUA DIGITAL TRANSISTOR Q35 UN5212 DIGITAL TRANSISTOR Q36 40 DTC143TUA DIGITAL TRANSISTOR K3 Q36 40 UN5216 DIGITAL TRANSISTOR K3 Q36 42 DTC143TUA DIGITAL TRANSISTOR K1 M1 Q36 42 UN5216 DIGITAL TRANSISTOR K1 M1 Q43 DTC124EUA DIGITAL TRANSISTOR Q43 UN5212 DIGITAL TRANSISTOR Q44 CPH3105 TRANSISTOR Q45 DTC124EUA DIGITAL TRANSISTOR Q45 UN5212 DIGITAL TRANSISTOR Q46 CPH...

Page 24: ...MP819 X659 Z838 30 MEMO www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 ...

Page 25: ...8lbs KDC MP819 KDC X659 FM Section Frequency Range 87 9MHz 107 9MHz Frequency Step 200kHz Channel Space Selection 50k 200kHz Usable Sensitivity S N 30dB 9 3dBf 0 8µV 75Ω Quieting Sensitivity S N 50dB 15 2dBf 1 6µV 75Ω Frequency Response 3 0dB 30Hz 15kHz S N 70dB MONO Selectivity 80dB 400kHz Stereo Separation 40dB 1kHz AM Section Frequency Range 530kHz 1700kHz Frequency Step 10kHz Channel Space Sel...

Page 26: ...Paris France KENWOOD ELECTRONICS BELGIUM N V Leuvensesteenweg 248 J 1800 Vilvoorde Belgium KDC Z838 FM Section Frequency Range 87 5MHz 108 0MHz Frequency Step 50kHz Frequency Range 87 9MHz 107 9MHz Frequency Step 200kHz Channel Space Selection 50k 200kHz Usable Sensitivity S N 30dB 9 3dBf 0 8µV 75Ω Quieting Sensitivity S N 50dB 15 2dBf 1 6µV 75Ω Frequency Response 3 0dB 30Hz 15kHz S N 70dB MONO Se...

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