Kenwood KDC-W3534A Service Manual

Contents

8KDC-W3534A/W3534GKDC-W40AYPin No. Pin Name I/O Application Processing Operation Description14 DAC RST O DAC RESET L : RESET15 EMPH O External DAC Emphasis control L : Emphasis OFF16,17 NC - Not used Low-fixed18 IC/Vpp - Write voltage (FLASH) H : In writing19 MUTE L O Lch audio MUTE control L : MUTE ON, H : MUTE OFF20 MUTE R O Rch audio MUTE control L : MUTE ON, H : MUTE OFF21 TYPE I DAC switching L : DSP built-in DAC Not used22 TEST O 1 O TEST MODE O 1 (Not used)23 TEST O 2 O TEST MODE O 2 (Not used)24 TEST O 3 O TEST MODE O 3 (Not used)25 TEST O 4 O TEST MODE O 4 (Not used)26 NC - Not used Low-fixed27 WAIT I Wait control signal detection28~30 NC - Not used Low-fixed31 RESET I Reset detection H : NORMAL, L : RESET32 XT1 I Not used33 XT2 - Not used34 REGC -35 X2 -36 X1 I37 Vss - GND electric potential38 VDD - 5V electric potential39 NC - NC40 WRL I Multiplex WRITE signal41,42 NC - Not used Low-fixed43 RD O Multiplex RD signal44 ASTB O Multiplex ASTB signal45 NC - Not used Low-fixed46 NC - Not used Low-fixed47~54 AD0~AD7 I/O Multiplex address/data55 BVdd - BUS interface power supply56 BVss - BUS interface GND57~61 AB8~AB12 I/O Multiplex data/address62~65 NC - Not used Low-fixed66 CS O Chip select control H : OFF, L : ON67 DSP RESET O DSP reset control H : NORMAL, L : RESET68~70 NC - Not used Low-fixed71 Avdd -72 Avss -73 Avref I A/D port reference voltage inputMICROCOMPUTER’S TERMINAL DESCRIPTION