KENWOOD KDC-C719
Manual de Servicio

KDC-C519FM/C719/Y
MICROCOMPUTER�S TERMINAL DESCRIPTION
Pin No. 45 46 47 48~55 56~63 64~68 69~71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 Pin Name TSI TSO TSCK A0~A7 D0~D7 A8~A12 A13~A15 VSS A16 A17 RAMOK ELVADJ RD WR WAIT ASTB VDD PUSEL REQH SPLO+ SPLOELV+ ELVSIM1 SEARCH TEST1 TEST2 8/7V EEPWR TEST/VPP SRVSEL SLNSA SDA SCL PON ARMSW I/O I O O O I/O O O O O O I O O I O I I O O O O I O I I O I I I I I/O O O I Description Text data input from servo IC Text data output to servo IC Text data clock to servo IC Address setting terminal for S RAM Data input/output terminal with S RAM Address setting terminal for S RAM Chip enable setting terminal for S RAM Ground connection terminal Chip enable setting terminal for S RAM Chip enable setting terminal for S RAM Pickup check judging terminal for production Mechanism deck ascent/descent position terminal Read-out to S RAM control output Write to S RAM control output Waiting time insertion input when accessing S RAM Chip selection to S RAM Positive power supply connection terminal Pickup type select terminal Communication request from H/U Spindle/Loading control terminal Spindle/Loading control terminal Mechanism deck ascent/descent terminal Mechanism deck ascent/descent terminal Destination input 1 Search mode output Test mode terminal 1 for test mode Test mode terminal 2 for test mode Motor driver IC power voltage control output EEPROM write mode terminal for production Flash ROM program mode terminal Servo active mode terminal (no mechanism movement) Sled non-sensitive area ON/OFF terminal Data input/output with EEPROM Clock output to EEPROM PON output Arm switch input �Lo� : AVR & LPS POWER ON �Hi� : Arm switch ON �Lo� : adapted for CD-TEXT, �Hi� : not adapted for CD-TEXT Not used (N.C.) Not used (pull down to GND lines) Not used (pull down to GND lines) �Hi� : 7V, �Lo� : 8.5V Not used (pull down to GND lines) Not used (connected to GND lines) Not used (pull down to GND lines) Not used (pull down to GND lines) Not used (pull down to GND lines) Not used (N.C.) Connected to D 5V lines Pull up to D 5V lines �Lo� : Communication requested Not used (N.C.) Not used (pull up to D 5V lines) Not used (pull down to GND lines) Connected to GND lines Not used (pull down to GND lines) Processing Operation

� System Microcomputer : LC72329-9B24 (RF Modulator Unit : IC2)
Pin No. 1 2 3, 4 5 6 7~9 10 Pin Name XIN TEST2 PG3, PG2 PG1 PG0 PH3~PH1 PH0 MUTE1 I/O I I I I I O O Description Main clock resonator connection terminal Test mode terminal 2 for test mode Not used (pull down to GND lines) Not used (pull down to GND lines) Not used (pull up to +5V lines) Not used (pull down to GND lines) Not used (pull down to GND lines) Not used (N.C.) Processing Operation

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