Kenwood-KDCCMP-21-V-Service-Manual电路原理图.pdf
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1、 2004-3 PRINTED IN JAPANB53-0163-00 (N)428CD AUTO CHANGER PLAYERKDC-CMP21VSERVICE MANUALHolder assy(J19-5146-02)Tray(J99-0614-01)Cord with plug(E30-4291-05)(E30-4711-05)(E30-6358-05)When transporting this model, always attach CAUTION CARD and STEPPED SCREW (for transportation).The MECHANISM OPERATIO
2、N is the same as model KDC-C660.Please refer to the service manual of model KDC-C660 (B51-7105-00).Service jigW05-0635-00Parts No.For initial position settingBracket (R)(J19-5019-03)Bracket (L)(J19-5018-03)Screw set(N99-1645-15)Cord with pinjack(E30-6351-05)KDC-CMP21V2BLOCK DIAGRAMBU14V5V AVR BU5VBU
3、3.3VBU2.5VSW5V AVRD5V (SW)8V AVRSW 5V REG (A)SRV8VBUDETECTA5VNJM2880U33 SW3.3VTR SW5VUPC2926T SW2.6VSHIFTLEVELCONTROL ICMICROPROCESSORAUDIO DAC HD74LV157AT-EAUDIO MUTELIM SWLIM SWSWRESETEEP-ROML.P.SARM SWEJ SWMG SWN/PAL SWSERVO,DSPDECODERMP3/WMAVCDDECODERVIDEO AMPDRAMFLASH ROMDC MOTORDRIVERBTLTR COI
4、LSLEDFO COILELEVATORLO-EJSPINDLE/CBAE FPDHOTIC4 IC15CQ RF,MECHANISMAUDIOOUTVIDEOOUTIC5IC8IC9IC7IC11IC12 IC15SYSTEMIC1IC2Q90,91 IC14NJM2890M1M2M3CHCLKREQHREQCDATAHDATACCHCONCHRSTCHMUTEN/PALPONPONPOND5V (SW)16MHzPONBU3.3VBU5VA5VA or BPONPONBU3.3VDATASEL12.5MHzBU5VGND16.934MHzSW3.3VBU3.3V BU2.5VABSW5V
5、SW2.6V75 470uSW5V27MHzXTALSRV8V10C16M BCLK,DATA,LRCKCD PLAYER UNIT (X32-5650-00)(X13- )PICKUP ASSYMECHANISM ASSY (X92-4950-00)DPU1KDC-CMP21V3 CD PLAYER UNIT (X32-5650-00)Ref. No. Application / Function Operation / Condition / CompatibilityIC1 Reset IC System microprocessor reset control ICIC2 System
6、 microprocessor Communication to head unit and control for mechanism control ICIC3 EEPROM LPS data backup memory (for MD position)IC4 Mechanism control IC Control for Mechanism assy, servo IC and MP3/WMA decoderIC5 Video amp Video amp for composite video signalIC6 AVR 2.6V (for IC7 VCC)IC7 Video dec
7、oder Video CD decoder ICIC8 DRAM For playback video dataIC9 Flash ROM Program memory for VCD decodeIC10 Selector Select for VCD line or MP3/WMA data lineIC11 Decoder MP3/WMA decoder ICIC12 CD servo IC RF amplifier built in digital servo and data processor ICIC13 AVR 5.0V (for audio and IC14 VDD)IC14
8、 Audio DAC Audio DA converterIC15 Motor driver Focusing coil, tracking coil, spindle motor and sled motor driverIC16 AVR 5.0V (for IC7 VDD)IC17 AVR 3.3V, 2.5V (for BU), IC4, IC11 VDDIC18 AVR 3.3v (for IC12 VDD)Q1,2 SW AVR 8V control SWQ3,6 SW AVR 6.2V control SWQ5 Driver AVR 5V driverQ7 SW Select fo
9、r 8V and 7V voltageQ8 Driver AVR 6.2V driverQ11 Driver AVR 8V driverQ12 BU det Backup line voltage detectorQ20 Parking det Parking SW detectorQ21 Reset SW Reset control SW (for system microprocessor)Q22 SW Changer muting controlQ23 SW Changer control SWQ24 SW AVR 5V control SWQ25,26 Level shift Volt
10、age level shift (5.0V3.3V, 3.3V5.0V)Q27,28 Audio muting SW Q27 (for Lch), Q28 (for Rch)Q40 SW System reset for IC4Q52 SW System reset for IC7Q70 Selector SW Selector IC control SWQ71 VC SW Control for Q73Q72 LD SW Control for APCQ73 VC SW Eccentric disc SW (for sub beam F)Q9093 Audio muting SW Q90,9
11、3 (Rch), Q91,92 (Lch)Q100 Vref selector Select for internal Verf or external VrefCOMPONENTS DESCRIPTIONKDC-CMP21V4 SYSTEM MICROPROCESSOR : 784214AGC-204 (X32: IC2)Pin No. Pin Name I/O Description / Processing Operation1 PON O Power control output terminal (L : AVR power ON)2NCONC (open)3/MSTOP O Mec
12、hanism stop signal output terminal (L : Mechanism stop, H : NORMAL)4PARK SW I Parking SW detect input terminal (H : Monitor ON, L : Monitor OFF)5 NTSC/PAL I NTSC/PAL select terminal (H : PAL, L : NTSC)6 RST O Servo IC reset signal output terminal (L : Reset)7 /MUTEIN L I Lch muting signal input term
13、inal (L : Muting ON)8 /MUTEIN R I Rch muting signal input terminal (L : Muting ON)9 VDD - BU5V (for ADC)10 X2 - Xtal 12.5MHz11 X1 - Xtal 12.5MHz12 VSS - GND13,14 XT2,XT1 - NC15 /RESET I Reset signal input terminal (L : Reset)16 NC - NC17 MGSW I Magazine in SW input terminal (H : Magazine pack in)18
14、EJSW I Eject SW input terminal (H : Eject SW ON)19 COMMSW I Select for OLD or NEW 5L line system control20 NC - NC21 CH-CON I Changer control for Head unit (H : System ON)22 BUDET I Backup line voltage detect input terminal (H : Momentary power down)23 AVDD - VDD for A/D converter (BU5V)24 AVREF0 I
15、Vref for A/D converter (Sys 5V)25 HOT I Rise in temperature detect input terminal (Detect level : 4V (90C)26 LPS I Mechanical deck position detect input terminal27 LOESW I Loading in SW input terminal (L : Loading complete)28 NC - NC29 TOFF I Tracking OFF mode detect terminal (H : Tracking OFF)30 SR
16、VSEL I Servo active mode terminal (No mechanism movement, H : Servo active mode)31 SLNSA I SLED non-sensitive area ON/OFF terminal (L : Seld non-sensitive ON)32 ADJSEL I Servo automatic adjustment ON/OFF terminal (L : Servo adjustment ON)33 AVSS - GND34,35 NC - NC36 AVREF1 I Vref for A/D converter (
17、BU 5V)3739 NC - NC40 DATAH I Data input terminal (for Head unit)41 DATAC O Data output terminal (for Changer unit)42 HCLK I/O Communication clock (for Head unit)43 REQC O Communication request to Head unit44 CHMUTE O Audio muting signal to Head unit (L : Muting ON)45 /MUTE L O Lch audio muting signa
18、l output terminal (L : Muting ON)MICROCOMPUTERS TERMINAL DESCRIPTIONKDC-CMP21V5Pin No. Pin Name I/O Description / Processing Operation46 /MUTE R O Rch audio muting signal output terminal (L : Muting ON)4771 NC - NC72 VSS - VSS7375 NC - NC76 ELVADJ I Mechanism deck position adjustment mode select ter
19、minal (L : Adjustment mode)7780 NC - NC81 VDD - VDD (BU 5V)82 NC - NC83 REQH Communication request from Head unit84 SP/LO+ O Spindle/Loading motor control terminal85 SP/LO- O Spindle/Loading motor control terminal86 ELV+ O Elevator motor control terminal87 ELV- O Elevator motor control terminal88,89
20、 NC - NC90,91 TEST1,TEST2 I Test mode terminal92 8V/7V O Mechanism driver IC control terminal93 EEPWR I EEPROM writing mode control terminal (H : Writing, L : NORMAL)94 TEST/VPP I Flash ROM program mode control terminal95 DATA I/O Serial data communication to mechanism control IC96 /CLK I/O Serial c
21、lock communication to mechanism control IC97 SDA I/O EEPROM data I/O terminal98 SCL O EEPROM clock output terminal99 NC - NC100 ARMSW I ARM SW detector (H : Arm SW ON) MECHANISM CONTROL IC : 91CW12AFG-5DN4 (X32 : IC4)Pin No. Pin Name I/O Description / Processing Operation1 VREFL I Reference V input
22、terminal (for ADC)2AVSS - GND (for ADC)3AVCC - BU3.3V (for ADC)4NCONC (open)5 20RST O Reset control terminal (for decoder, L : RESET, H : NORMAL)6 20ACK I Acknowledge signal input terminal (for decoder)7 20STBY O Stand-by control terminal (for decoder, H : STAND BY, L : NORMAL)8,9 NC O NC (open)10 2
23、0INT I Interrupt signal input terminal (for decoder)11 FOGUP I Focus gain interrupt input terminal (H : Fo gain UP, L : NORMAL)12 LZM I 0bit MUTE detect (Lch) (L : MUTE OFF, H : MUTE ON)13 RZM I 0bit MUTE detect (Rch) (L : MUTE OFF, H : MUTE ON)14,15 NC O NC16 20CS O Chip select signal output termin
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- KenwoodKDCCMP21VServiceManual 电路 原理图