Kenwood KDC-715S Service Manual

Also see for KDC-715S: Instruction manual Service manual

Contents

specifications

KDC-715S/8015/80163MICROCOMPUTER’S DESCRIPTIONSystem μ-com : UPD784217GC (X25-)Terminal 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 N C I/O20 P04/INTP4 N C I/O21 P05/INTP5 N C 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/ANI0 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 meshanism Mute requested : Lo32 P17/ANI7 M_MUTE_L I Mute request from meshanism 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 O Data line to LCD driver42 P22/ASCK1/SCK1 L_CLK/MC_CLK I/O Clock line to LCD driver43 P23/PCL M_STOP I/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 : Hiwww . xiaoyu163. comQQ 376315150 992894298TEL 13942296513 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299