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Kenwood KDC-MP225, Руководство по обслуживанию

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Kenwood KDC-MP225 Скачать руководство пользователя страница 4

4

KDC-MP225,MP4026/G

KDC-W4527/G/GY/Y,W427Y

●

 SWITCH UNIT (X16-2640-xx/2642-xx/2652-xx)

Ref. No.

Application / Function

Operation / Condition / Compatibility

IC1

LCD driver

Drive for LCD unit

IC2

Remote control IC

Receiving for the remote control unit

Q1

KEY scan detector

key scan start at base gose “L”.

Q2

key illumination SW

Lights up for RED key illumination when base voltage level goes “H”

Q3

key illumination SW

Lights up for GREEN key illumination when base voltage level goes “H”

●

 ELECTRIC UNIT (X25-9980-xx/9982-xx/X34-3172-70)

Ref. No.

Application / Function

Operation / Condition / Compatibility

IC1

System microcomputer

Control for TUNER unit, CD mechanism, volume & tone, LCD driver and external CD changer unit

IC2

Electronic volume & N.C.MPX

Control for source selector, volume & tone, and FM multiplex detector.

Power supply for the units (Bu5V, Audio8V, FM+B, AM+B, P-con and ANT-con)

IC3

Power supply IC

IC4

Audio power amp IC

Amplifier for audio signal to derive for 4channel speakers (50W maximum for each channel)

IC6

Muting control IC

Control for timing for mute

IC7

RDS decoder

Decode for RDS signal

IC8

Reset IC

When detection voltage goes below 3.5V or less Reset IC output change to “L” signal

IC9

Switching regulator

Power supply for CD mecanism unit

Q1

Serge detection

When backup voltage become more than 24V output is “L” (momentary power down) /

When backup voltage become less than 24V output is “H”

Q2

Backup detection

When BU voltage supplied output is “L” /

When BU voltage not supplied or momentary power down is detected output is “H”

Q3

ACC detection

When ACC voltage supplied output is “L”

Q4

SW 5V

When base voltage is “L” Q4 is ON

Q21,24

AVR

Servo regulator

Q22

SW

Servo SW

Q23

IC control

Power supply IC controller

Q41

SW

Switching regulator control SW

Q101

Buffer amp

Composite signal buffer

Q151

DSI driver

When base voltage level is “L” DSI LED is light up / When base voltage level is “H” DSI LED

turns off / When panel assy is pull off, cut off the supply to panel 5V AVR.

Q201

Buffer amp

Noise buffer amp

COMPONENTS DESCRIPTION

SW1

OUT

 1.5~3.0V

Audio ON

 3.5~5.0V

Audio P-con ON

 7.0V~

Audio P-con, P-ant ON

SW2

OUT

 2.0~3.0V

Illumination, FM ON

 4.0V~

Illumination, AM ON

Содержание KDC-MP225

Страница 1: ...8 01 KDC MP4026G B10 4469 01 Panel assy KDC MP4026 A64 3174 02 KDC MP4026G A64 3175 02 AME M RDM F SEL SCRL AUTO DISP MENU SCAN AUD RDM REP OFF LOUD Front glass KDC W427 B10 4555 01 Panel assy KDC W427 A64 3336 02 AME F SEL SCRL ADJ DISP MENU SCAN AUD RDM REP OFF LOUD Front glass KDC W4527 Y B10 4466 01 KDC W4527G GY B10 4467 01 Panel assy KDC W4527 Y A64 3172 02 KDC W4527G GY A64 3173 02 TI M RDM...

Страница 2: ... 6 S3 S4 0 01 ONLY LEVEL SHIFT Q7 Q1 4 LEVEL SHIFT MICROPROCESSOR AVR BU 3 3V IC6 DAC 3 3V AVR IC7 SW 3 3V AVR IC5 LEVEL SHIFT IC3 MP3 WMA DECODER IC2 PROCESSOR RF AMP SERVO CD SIGNAL BUFFER IC8 FO COIL TR COIL OPTICAL PICKUP A C F B E DPU1 LD PD CN2 CN1 15 DGND DATA CLK MUTER MUTEL MSTOP MRST 10 LOS 20 1 8EJE A8V L AGND DOUT R MOTOR LO EJ 5 SGND S7V 12EJE LOE LIM X2 16 00MHz 16 898MHz X1 OPEN D5 ...

Страница 3: ...IC9 IC6 to VIDEO OUT TUN SMETER AUDIO OUT TUN IFC OUT TUN SCL TUN SDA SW5V AM B A8V CD DISC8 SW CD DISC12 SW CD LOS SW CD SDA CD SCL CD LOE LIM SW CD MUTE L CD LOEJ CD MSTOP CD MRST SERVO B A8V BU5V MECHA B LX DATA S LX MUTE LX RST LX REQ M LX REQ S LX CLK LX COM LX DATA M BACK UP RDS QUAL S METER RDS DATA RDS CLK FM AM MP LEVEL CD QUAL AFS CH SW5V SW5V BU5V DSI L CLK L DATAS L CE L DATAL REMO MUT...

Страница 4: ...mum for each channel IC6 Muting control IC Control for timing for mute IC7 RDS decoder Decode for RDS signal IC8 Reset IC When detection voltage goes below 3 5V or less Reset IC output change to L signal IC9 Switching regulator Power supply for CD mecanism unit Q1 Serge detection When backup voltage become more than 24V output is L momentary power down When backup voltage become less than 24V outp...

Страница 5: ...ng error and tracking error signals Detection of dropout anti shock track crossing and off track conditions included gain control function during CD RW Focusing tracking sled and spindle servo processing Automatic adjustment focusing IC2 CD signal processor built in MI COM tracking gain offset and balance operations Digital signal processing DSP PLL sub codes CIRC error correction audio data Inter...

Страница 6: ...nit 17 LX DATA M O DATA signal output to EXT unit 18 LX CLK I O CLK signal input output to EXT unit 19 TUN SCL O I2C CLK signal output terminal for front end 20 TUN SDA I O I2C DATA signal input output terminal for front end 21 TUN IFC OUT I IFC signal input terminal H Station detect L No detect 22 RDS AFS O Time constant select terminal for noise detect H Receiving L FM seek AF search 23 CD SDA I...

Страница 7: ...al from CD mechanism L Mute request 54 NC NC 55 CD MSTOP O Request signal Mechanism is STOP output to CD mechanism L Active 56 CD LOE LIM SW I Down SW detection from CD mechanism 57 CD LOEJ I O CD mechanism loading eject control terminal H Eject L Loading 58 CD MOTOR O CD mechanism motor loading control terminal H Loading Eject Brake L Play 59 DSI O Disc guide illumination control terminal H DSI O...

Страница 8: ...gnal output terminal for decoder 19 20RXD0 I Serial data signal input terminal for decoder 20 20SCLK0 O Serial data clock output terminal for decoder 21 DSPTXD1 O Serial data signal output terminal for DSP 22 DSPRXD1 I Serial data signal input terminal for DSP 23 DSPSCLK1 O Serial data clock output terminal for DSP 24 AM0 I Select for ROM mode H NORMAL L External ROM mode 25 DVCC BU3 3V 26 X2 O Os...

Страница 9: ... 11 Not function 74 NT PAL O NTSC PAL select terminal L NTSC H PAL 75 DATASEL O 20F ES3890 output select H 20F L ES3890 76 77 NC O NC OPEN 78 NC BOOT I Flash memory writing terminal L Writing H NORMAL 79 80 NC O NC OPEN 81 POND3 3 O D3 3V power ON control terminal H POWER ON 82 MUTEL O Audio muting control terminal Lch 83 MUTER O Audio muting control terminal Rch 84 SDA I O I2C data for system mic...

Страница 10: ... to the track being played When the number of total tracks of disc is nine or less unit playback from a track 1 When the media to CD DA unit playback from track No 28 by key operation of preset 1 key 6 AUDIO function Audio related specifications A short press of the Q key initiates the audio adjustment mode Pressing the OPEN CLOSE key on the remote controller initiates the audio adjustment mode Co...

Страница 11: ...14 D15 D16 D17 D18 D19 D21 D22 D23 D24 D25 D26 D27 D28 D29 D9 D7 D8 D10 D1 ED1 56 1 1 3 4 2 KS2 KI2 KI3 KI5 KS3 KI4 KS4 KI1 KS5 ATT TI AUD VOL UP VOL DWN SRC RST 1 2 3 4 5 6 AM FM CLK SWITCH UNIT X16 264x xx 2652 xx J74 1561 02 EB EB EB W1 R2 2 14 1 15 R3 C2 C1 1 24 64 41 25 40 80 65 C3 C4 C5 R1 R4 C11 C13 R5 R6 R7 R8 R9 R10 R11 R12 R13 R21 R22 R23 R24 R25 R27 R28 R31 R33 R41 R32 W2 R29 C12 R42 PA...

Страница 12: ...20 W224 12 1 5 1 23 2 24 1 4 2 L10 C43 C30 L12 L2 W239 W233 C409 W232 L11 C26 C1 C20 C41 C42 L1 16 1 9 8 C25 C22 C23 C24 C27 C28 C29 C255 C256 C258 R8 R22 R23 X1 R206 C201 C202 C251 C252 C253 C254 C257 R9 R31 R180 R181 R182 R303 X2 W187 W184 W181 W227 W180 W182 W191 W185 W195 W174 W178 W201 W171 W168 W164 W207 W208 W229 W216 W221 W177 W206 W210 W202 W203 W140 W166 W173 W152 W155 W135 W137 W130 W13...

Страница 13: ...2MHz W241 C211 C115 L7 R172 L6 L8 C117 C209 C251 C254 C303 C351 C352 C504 L3 R171 R173 R174 R175 R176 R180 R182 R183 R301 R302 R303 R304 R305 R306 R307 R308 R309 R310 R311 R357 R358 R374 X3 W115 52 L9 R505 R506 R504 W106 W112 W101 W119 W117 W100 W110 W118 W114 W113 W111 W105 W104 W103 W107 W108 W116 W130 W133 W121 W120 W109 W123 W136 W126 W128 W131 W134 W122 W124 W127 W129 W132 Q151 D401 D205 D203...

Страница 14: ...am for the values of resistors and capacitors S D G EB C52 C44 C25 C29 C50 RFOK R12 C3 C8 C10 C11 C13 C15 C27 C35 C37 RESET MIDIO MIACK C41 C46 C32 CP6 R27 R47 C18 CP2 CP3 CP5 CP7 CP11 R6 R13 L1 R42 R46 R48 R49 R50 R63 R38 CP12 CP15 CP13 R68 CP14 R65 R67 C69 C67 C66 R66 R69 C72 1 3 4 5 1 16 33 48 32 17 64 49 B E C CBE Q5 Q4 Q7 S1 S2 S3 S4 IC3 IC6 CD PLAYER UNIT X32 5500 00 J74 1552 12 ...

Страница 15: ...5V S 7 5V FCS TRK MUTEL MUTER SLED SD TD S GND MOTOR SPDL MD FD MSTOP LIM SW T2 INT T1 RST T3 T4 FLAGIN SEARCH RESET BU3 3V STB TXD1 MICK CLK A0 BOOT MILP RXD1 LZM RZM MIRST MICS POND3 3 XI FOGUP MRST SLED IN LD LO EJ DGND EJECT LOAD DATA SLED OUT MUTER D5V 8EJE LOE LIM D GND FCS UP D3 3V TRK IN TRK OUT FCS DOWN LOS Lch MUTEL Rch MSTOP PON T ADCIN CLK FE D OUT Vref VR IOP PD C D VCC TE RF ARF F E ...

Страница 16: ...OSC GND NC 6 5 8 7 C106 0 01 4 7uH L7 C104 0 01 4 7uH L6 0 052uH 1 RF GND FM ANT AM ANT OSC GND 3 4 2 L3 R105 R103 4 7K 4 7K 0 01 1K R374 2 1 2 1 TP371 R504 C502 R507 1K 0 22 C504 22u10 10 R506 4 7 C351 10u16 R351 270 C503 0 22 R505 10 AUX L 1 R503 180K 180K R502 GND AUX R 2 3 R357 100 9 20 R209 2 13 4 8 VSS 7 6 5 VEE INH Z0 ZCOM 9 C B A X0 X1 10 11 12 C507 0 1 1K R501 47K R508 3 2 Z1 Y0 Y1 1 XCOM...

Страница 17: ...LX CLK TUN SCL TUN SDA 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 LX MUTE PWIC MUTE RESET2 ACC DET VSS1 PWIC STBY PWIC SVR LX REQ M SCL LX CON LX RST NC RDS AFS TUN IFC OUT SDA 17 20 18 19 15 16 12 13 14 TUN SMETER RDS NOISE LINE MUTE L RST AVREF1 L DATAL L DATAS L CLK TDF DET TUN TUN 6 9 10 11 7 8 AVSS L CE 4 5 1 2 3 C43 220u16 L12 220uH R44 47K 0 22 100u25 100u25 VIN GND ON OFF 4 2 VOS SWOU...

Страница 18: ...01 0 22 2 71 YES NO YES YES YES NO NO YES YES YES YES NO NO YES F E D G H NO NO YES YES YES YES NO NO NO NO NO NO NO NO KDC W4527 G YES KDC W427Y 2 72 YES NO YES 3300u16 NO NO NO YES NO NO NO NO NO NO YES YES NO YES YES YES YES YES NO NO YES NO YES C20 NO NO NO YES NO YES NO NO NO YES C23 C33 YES NO 2200u16 2200u16 2200u16 2200u16 2200u16 3300u16 220u16 100u16 C30 100u16 100u16 100u16 100u16 100u1...

Страница 19: ...13 12 14 R11 5V TP12 TP14 15 C5 2 2 64 KI1 65 66 KI1 KI2 KS3 KS5 KS4 KS6 63 61 62 S56 KS2 COM3 60 58 59 57 KS3 KS5 KS4 KS2 S56 C3 16 3 2 1 4 5 11 10 8 6 7 9 15 14 13 12 20 19 18 17 21 25 26 22 23 24 29 30 27 28 31 36 35 34 33 32 S47 S47 S52 S53 S54 S55 COM1 54 56 55 52 53 S49 S48 S50 S51 49 50 51 48 47 S52 S55 C1 S53 S54 S50 S51 S48 S49 S42 S44 S43 S46 S45 44 45 46 42 43 S41 41 S46 S45 S42 S43 S44...

Страница 20: ...KI4 KI5 TP37 TP36 TP35 KI3 TP33 TP32 KI2 TP31 KI1 TP30 TP29 B 52 56 54 55 53 52 56 54 55 53 C1 C3 C2 B S34 S33 A X16 264x xx MODEL NAME C12 KDC 225 MP225 KDC W4527 KDC W4527G KDC W427Y KDC 2025 225MR KDC MP4026 G V RX 492WMP 2 71 2 72 YES NO 0 12 0 21 2 70 YES YES YES No 0 01 0 11 YES YES UNIT D3 D21 29 D7 8 D9 10 B30 1566 05 B30 1566 05 B30 1564 05 NO B30 1565 05 ED1 Q2 3 W2 B38 1145 05 B38 1136 ...

Страница 21: ...1 64 63 62 53 55 54 58 57 56 52 51 DVCC NC NC NC NC NC NC NC NC NMI DVSS NC NC NC NC NC NC NC NC 7 20STBY 25 R17 100K C13 0 1 VREFL 96 SEL0 CHSEL ASEL 97 98 99 VREFH SEL1 100 4 6 5 20RST 20ACK 1 2 3 AVSS AVCC NC 5 6 0 1 C15 C16 4 7 20LP 17 12 7 8 9 NC 20INT FOGUP LZM NC 10 11 20CS RZM NC NC 16 15 13 14 10 100K R27 12 16 100K 13 CP6 DSPTXD1 20TXD0 20RXD0 20SCLK0 20 18 19 17 DSPSCLK1 AM0 DVCC DSPRXD...

Страница 22: ... 20 SLD VCC2 19 18 CNT GND 21 22 18 T T 19 22 100 R50 C56 R62 R60 C58 SPIN GND SPIN 1500P C63 7 6 SLIN LO EJ 24 25 SLIN 26 SPIN FDIN FDIN 330P C57 4 5 3 2 SLIN 27 TDIN TDIN 28 4700P 24 4 3K R63 12K R56 12K R57 330P 13K 56 54 R55 10K LRCK DIN DOUT LRCKIN SCKIN SCKO FLAG DVDD3 LIMIT XTALEN DGND2 TX EMPH PLCK SHOCKD LOCK WFCK MIRR PFCK HOLD C16M DGND3 FZD LZM TZD RZM DVDD2 39 C27 0 1 20 6 17 18 16 C2...

Страница 23: ...9 6051 05 N19 2163 04 N39 2020 46 N09 6108 05 φ2x8 M1 7x8 5 M1 7x2 5 M2x2 φ2x6 BLK 1 6 WASHER M2x2 φ2x3 5 858 842 F F 52 F X32 DM1 14 24 DFPC1 28 25 16 29 19 31 26 13 12 10 30 27 42 11 17 18 23 45 38 DM2 801 850 849 806 843 855 843 843 807 44 39 40 15 22 G 834 55 51 8 33 809 36 33 Jx2 H 41 5 DPU1 35 Ax2 37 53 32 2 37 Bx2 43 43 56 37 F F 37 43 43 E Cx2 EXPLODED VIEW CD MECHANISM Parts with the expl...

Страница 24: ... N30 3008 46 N80 2006 46 N80 2008 45 N83 3005 46 N80 3010 46 N83 3020 46 N86 2606 46 N29 0205 04 J 3 J 4 J 5 J 1 J 2 B 238 235 250 249 248 246 218 245 236 232 239 240 237 PA1 211 233 728 708 B 229 215x2 210 DC1 DC2 Dx2 D 208 Fx2 F E E D D 755 720 753 743 722 D A A D 702 G 751 ED1 X16 A 1 SIZE AA BATTERY 205 X16 207 742 C C Cx2 RM1 H 704 216 213 224 214 225 226 234 201 243 242 Depends on the model ...

Страница 25: ... E30 6286 05 DC CORD E3E4 DC2 1C E30 6322 05 DC CORD KMM1 DC2 1C E30 6323 05 DC CORD KMM1 FC1 2D E39 0622 05 FLAT CABLE 24PIN F1 2D F52 0006 05 FUSE MINI BLADE TYPE 10A F1 2D F52 0023 05 FUSE MINI BLADE TYPE 10A 224 1C G01 2987 04 TORSION COIL SPRING 225 1C G01 3096 04 EXTENSION SPRING 226 3C G01 3149 04 COMPRESSION SPRING H10 4856 12 POLYSTYRENE FOAMED FIXTURE EE1E2K H10 4856 12 POLYSTYRENE FOAME...

Страница 26: ...0W E3E4 R21 22 RK73FB2B221J CHIP R 220 J 1 8W R23 RK73FB2B431J CHIP R 430 J 1 8W R24 25 RK73FB2B271J CHIP R 270 J 1 8W R29 RK73GB2A221J CHIP R 220 J 1 10W EE1E2 R29 RK73GB2A221J CHIP R 220 J 1 10W E3E4 R31 33 RK73FB2B331J CHIP R 330 J 1 8W EE1E2 R31 33 RK73FB2B331J CHIP R 330 J 1 8W E3E4M R31 33 RK73FB2B331J CHIP R 330 J 1 8W M1 R31 33 RK73FB2B391J CHIP R 390 J 1 8W K R41 42 RK73FB2B271J CHIP R 27...

Страница 27: ...D N83 3005 46 PAN HEAD TAPTITE SCREW E 2D N80 3010 46 PAN HEAD TAPTITE SCREW F 2D N83 3020 46 PAN HEAD TAPTITE SCREW G 2D N86 2606 46 BINDING HEAD TAPTITE SCREW R1 RK73FB2B683J CHIP R 68K J 1 8W R2 RK73GB2A393J CHIP R 39K J 1 10W R3 RK73GB2A104J CHIP R 100K J 1 10W R4 RK73FB2B203J CHIP R 20K J 1 8W R5 6 RK73GB2A103J CHIP R 10K J 1 10W R7 RK73GB2A104J CHIP R 100K J 1 10W R8 RD14DB2H332J SMALL RD 3 ...

Страница 28: ...R 22K J 1 10W E3E4K R415 RK73GB2A223J CHIP R 22K J 1 10W E2KMM1 R415 416 RK73GB2A223J CHIP R 22K J 1 10W EE1E3 R415 416 RK73GB2A223J CHIP R 22K J 1 10W E4 R417 RK73GB2A223J CHIP R 22K J 1 10W E2KMM1 R419 RK73GB2A223J CHIP R 22K J 1 10W R420 RK73GB2A103J CHIP R 10K J 1 10W R421 RK73GB2A223J CHIP R 22K J 1 10W E2 R422 RK73GB2A223J CHIP R 22K J 1 10W EE1E3 R422 RK73GB2A223J CHIP R 22K J 1 10W E4KMM1 ...

Страница 29: ... M C18 CK73GB1C104K CHIP C 0 10UF K C19 CK73FB0J475K CHIP C 4 7UF K C20 CK73GB1C104K CHIP C 0 10UF K C21 CK73GB1H102K CHIP C 1000PF K C22 23 CK73GB0J105K CHIP C 1 0UF K C24 27 CK73GB1C104K CHIP C 0 10UF K C28 CK73FB0J106M CHIP C 10UF M C29 CK73GB1C104K CHIP C 0 10UF K C30 CK73GB1H152K CHIP C 1500PF K C31 CC73GCH1H470J CHIP C 47PF J C32 33 CK73GB1C104K CHIP C 0 10UF K C34 CC73GCH1H560J CHIP C 56PF ...

Страница 30: ... 1 10W R54 RK73GB2A333J CHIP R 33K J 1 10W R55 RK73GB2A103J CHIP R 10K J 1 10W R56 RK73GB2A123J CHIP R 12K J 1 10W R57 58 RK73GB2A133J CHIP R 13K J 1 10W R59 RK73GB2A472J CHIP R 4 7K J 1 10W R60 RK73GB2A123J CHIP R 12K J 1 10W R61 RK73GB2A183J CHIP R 18K J 1 10W R62 RK73GB2A432J CHIP R 4 3K J 1 10W R63 RK73GB2A133J CHIP R 13K J 1 10W R64 RK73GB2A241J CHIP R 240 J 1 10W R65 RK73GB2A104J CHIP R 100K...

Страница 31: ... G02 1399 04 FLAT SPRING 45 2B G02 1408 04 FLAT SPRING 51 1A J21 9676 22 MOUNTING HARDWARE 52 3B J21 9677 12 MOUNTING HARDWARE 53 1B J21 9678 13 MOUNTING HARDWARE 55 1A J90 1001 11 GUIDE 56 1B J90 1023 03 GUIDE DFPC1 3A J84 0141 05 FLEXIBLE PRINTED WIRING BOARD A 2B N09 4460 05 TAPTITE SCREW B 1B N09 4472 15 MACHINE SCREW C 2B N09 6004 05 MACHINE SCREW E 2B N09 6007 05 MACHINE SCREW F 1A N09 6051 ...

Страница 32: ...0kHz Stereo Separation 40dB 1kHz AM Frequency Range Frequency step KDC MP225 530kHz 1700kHz 10kHz KDC MP4026 G 531kHz 1611kHz 9kHz 530kHz 1700kHz 10kHz Channel Space Selection 9k 10kHz Usable Sensitivity S N 20dB 28dBµ 25µV CD Laser Diode GaAlAs Digital Filter D A 8 Times OverSampling D A Converter 1 Bit Spindle Speed rpm 1000 400 CLV 2 times Wow Flutter Below Mesurable Limit Frequency Response 10...

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