Kenwood KDC-MP6025 Service Manual

Also see for KDC-MP6025: Instruction manual Instruction manual

Contents

9KDC-MP6025/MP625/MP858KDC-W6527/W6527YMICROCOMPUTER’S TERMINAL DESCRIPTION● PANEL MICROCOMPUTER : 30622MWP111GP (X16-251 : IC1)Pin No. Pin Name Module I/O Application Processing Operation Description1 NC O Not used Output : L2 REMO REMO I Remote control signal input Pulse width DET3 GSO0 FL O FL dot section data output terminal 0 Data output4 NC O Not used Output : L5 GCLK0 FL O FL dot section clock output terminal 0 2.0MHz6 BYTE μcom - Not used 0V GND direct connection7 CNVSS μcom - Used when rewriting μcom8,9 NC O Not used Output : L10 RESET μcom - Reset terminal L : Reset11 XOUT μcom - Clock output12 VSS μcom - GND terminal13 XIN μcom - Clock input 10.000MHz14 VCC1 μcom - Positive power supply terminal15 NMI I Not used16 SOURCE KEY I Source key input H : ON, L : OFF17 EJECT KEY I Eject key input H : ON, L : OFF18 SCCON to SYS I System μcom communication panel operation control H : Operation19 NC O Not used Output : L20 GCP FL O FL dot section gradation occurrence Gradation occurrence21 NC O Not used Output : L22 GLAT FL O FL dot section data latch output Data latch output23 NC O Not used Output : L24 GBK FL O FL dot section data blanking output H : Light ON, L : Light OFF25,26 NC O Not used Output : L27 SCL O E2PROM write clock terminalWhen E2P_DET is H : Input,Other : I2C clock output terminal28 SDA O E2PROM write terminal When E2P_DET is H : Input,Other : I2C data output terminal29 PN_SDA to SYS I/O System μcom communication data input/output terminal30 PN_SCL to SYS I/O System μcom communication clock input/output terminal 100kHz31 SC_REQ to SYS I Panel communication request input32 PN_REQ to SYS O Panel communication request output L : Transmitting panel side data33 GSO1 FL O FL dot section data output terminal 1 Data output34 NC O Not used Output : L35 GCLK1 FL I FL dot section clock input terminal GCLK0 input36 E2P_DET I E2PROM write request H : Write37,38 NC O Not used Output : L39 EPM I Used when rewriting μcom40~43 NC O Not used Output : L