Kenwood KDC-X915 Service Manual

Also see for KDC-X815: Instruction manual

Contents

MICROCOMPUTER'S DESCRIPTIONSystem μ-com: UPD784217GClTerminal descriptionNo. Pin name Function I/O Description Processing Operation1 P120/RTP0 CHCON1 O Changer 1 control Active: Hi2 P121/RTP1 CH_MUTE I Changer muting input MUTE Requested : Hi3 P122/RTP2 REQH O Handshake request to changers Active: Lo4 P123/RTP3 ILL_ON O Illumination output Active: Hi5 P124/RTP4 NC O Open6 P125/RTP5 CD_SW2 I 12cm DISC detection ON: Lo7 P126/RTP6 CD_SW1 I Loading detection ON: Lo8 P127/RTP7 NC O Open9 Vdd Vdd - Positive power supply10 X2 X2 - Main clock connection11 X1 X1 - Main clock connection12 Vss Vss - GND13 XT2 XT2 - Sub clock connection14 XT1 XT1 - Sub clock connection15 RESET RESET I Reset input Active: Lo16 P00/INTP0 CH_RST O Changer reset output Active: Lo17 P01/INTP1 R_CLK I RDS clock input18 P02/INTP2/NMI REQC I Handshake request from changer Active: Lo19 P03/INTP3 NC I/O20 P04/INTP4 NC I/O21 P05/INTP5 NC I/O22 P06/INTP6 SC_REQ I Handshake request from panel μ-com23 AVdd AVdd - A/D analog power supply24 AVref0 AVref - A/D reference voltage input25 P10/AN10 PHONE I PHONE detection terminal 1V or less: PHONE2.5V or more: NAVI MUTE26 P11/ANI1 SRM_SW1 I SRM position detection Open: Hi27 P12/ANI2 NOISE I FM noise detection Analog input28 P13/ANI3 SMETER I FM signal meter detection Analog input29 P14/ANI4 IF_MODE I K2I IF selector Wide: Hi/Narrow: Lo30 P15/ANI5 NC I GND31 P16/ANI6 M_MUTE_R I Mute request from mechanism Mute requested: Lo32 P17/ANI7 M_MUTE_L I Mute request from mechanism Mute requested: Lo33 AVss AVss - A/D GND34 P130/ANO0 EXT_AMP O EXT_AMP control35 P131/ANO1 M_RST O Reset output to mechanism Reset: Lo36 AVref1 - D/A reference voltage input37 P70/RxD2/SI2 DATAC I Data line from changer38 P71/TxD2/SO2 DATAH O Data line to changer39 P72/ASCK2/SCK2 CH_CLK I/O Clock line from/to changer40 P20/RxD1/SI1 L_DATAL/SC_DATA I Data line from LCD driver41 P21/TxD1/SO1 L_DATAS/MC_DATA I/O Data line to LCD driver42 P22/ASCK1/SCK1 L_CLK/MC_CLK I/O Clock line to LCD driver43 P23/PCL M_STOP O Stop request to mechanism Stop requested: Lo44 P24/BUZ BEEP O Beep output Active: Hi45 P25/SI0 PLL_CE O CE output to PLL46 P26/SO0 PLL_DATA I/O Data in/out with PLL47 P27/SCK0 PLL_CLK O Clock output to PLL48 P80/A0 CD_SW3 I Switch detection ON : Hi49 P81/A1 LO/EJ O Loading/Eject control Loading: Lo/Eject: Hi50 P82/A2 MOSW O Motor output Loading: Hi/Eject: Lo51 P83/A3 MECH_ DET I Mechanism detection ON: Hi/OFF: Lo52 P84/A4 PAN5V O Panel detection OFF: Hi53 P85/A5 L_CE/P_RST O CE to LCD driver/Panel μ-com reset54 P86/A6 L_INH/MC_REQ O Reset to LCD driver3KDC-X915/X815/PS9016R/PS9080Rwww . xiaoyu163. comQQ 376315150 992894298TEL 13942296513 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299