Yamaha RX-V320 Service Manual

Contents

25RX-V320IC501 : M30217MA-A205FP16-bit MicrocomputerPin PinPort I/O FunctionNo. Name1 P97 SCK O Serial Clock output2 P96 SDT O Serial Data output3 P95 RCK O Clock output for model type/CK2 distinction (*1)4 P94 RDT O Data output for destination distinction/SO2 of Tuner (*2)5 P93 DEST O Data input for destination distinction/SI2 /RD0 of Tuner (*2)6 P92 RCE O Chip enable output for model typedistinction (*1)7 P91 SCKD O Serial Clock output for DIR28 P90 SID O Serial data output for DIR29 CNVSS CNVSS For flash μ-COM write connector10 P87 CKB O Clock output for output portexpansion IC11 P86 DTB O Data output for output portexpansion IC12 /RESET /RES System reset13 XOUT XOUT Crystal oscillator connected (10MHz)14 VSS MG Ground15 XIN MU Crystal oscillator connected (10MHz)16 VCC +5BU +5V Power supply17 P85/INT5 ERRD I Error flag input from DIR218 P84/INT4 ERRA I Data mute detect input from AC3D2av19 P83/INT3 REM I Remote control input20 P82/INT2 PDT I Power down detect input21 P81/INT1 PSW I Standby switch input22 P80/INT0 CEAC1 O Chip enable output 1 for AC3D2av23 P77 CEAC2 O Chip enable output 2 for AC3D2av24 P76/CK1 CLKAC O Serial clock output 2 for AC3D2av25 P75/RX1 RXAC I Serial data input from AV3D2av26 P74/TX1 TXAC O Serial data output for AC3D2av27 P73 CECOD O Chip enable output for CODEC ADC/DAC28 P72 TCE O Chip enable output for Tuner29 P71 CELC O Chip enable output for Input Selector30 P70 CETC I Fixed HP i n P i nP o r t I / O FunctionN o . N a m e31 P47/FL55 F-CE O Chip enable output32 P46/FL54 F-CK O Serial clock output33 P45/FL53 F-RX I Serial data input34 P44/FL52 F-TX O Serial data output35 P43/FL51 VUP O Volume up output36 P42/FL50 VDN O Volume down output37 P41/FL49 CDO I Serial data input from DIR238 P40/FL48 DVD-C/O I DVD/LD coaxial/optical detect input39 P37/FL47 DBS-C/O I Fixed H40 P36/FL46 PRI I I (Over current) protectiondetect input41 P35/FL45 POT-A I Rotary encoder input A42 P34/FL44 POT-B I Rotary encoder input B43 P33/FL43 /ST I Stereo input from Tuner44 P32/FL42 DO I Serial data input from Tuner45 P31/FL41 /ICAC O Initial clear output for AC3D2av46 P30/FL40 PRY O Power relay output47 P27/FL39 SRY O Speaker relay output48 P26/FL38 ERY O Effect relay output49 P25/FL37 G1 O Grid 1 for FL display50 P24/FL36 G2 O Grid 2 for FL display51 P23/FL35 G3 O Grid 3 for FL display52 P22/FL34 G4 O Grid 4 for FL display53 P21/FL33 G5 O Grid 5 for FL display54 P20/FL32 G6 O Grid 6 for FL display55 P17/FL31 G7 O Grid 7 for FL display56 P16/FL30 G8 O Grid 8 for FL display57 P15/FL29 G9 O Grid 9 for FL display58 P14/FL28 G10 O Grid 10 for FL display59 P13/FL27 G11 O Grid 11 for FL display60 P12/FL26 G12 O Grid 12 for FL display61 P11/FL25 G13 O Grid 13 for FL display62 P10/FL24 G14 O Grid 14 for FL display63 VCC +5VBU +5V power supply64 P07/FL23 G15 O Grid 15 for FL display65 VSS MG Ground66 P06/FL22 G16 O Grid 16 for FL displayForflash μ-COMwriteconnectorFor Inputselector Tuner,etc.*1 Model type distinction (H=1, L=0)DSP-A (Pin 3) 0 0 1 1RDS (Pin 6) 0 1 0 1RX-V320DSP-EDSP-A*2 Destination distinction of Tuner (H=1, L=0)V1 (Pin 4) 0 J 0 U,C 1 A,B,G,L 1 R,TV2 (Pin 5) 0 model 1 models 0 models 1 modelsRDSwww . xiaoyu163. comQQ 376315150 992894298TEL 13942296513 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299http://www.xiaoyu163.comhttp://www.xiaoyu163.com