Yamaha-RXA-3020-Service-Manual-Part-3电路原理图.pdf

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1、Pin No. Related Power Supply Port NameFunction NameONOFFDetail of Function I/OLogicI/OLogic 163 IIO0_0/TXD7/AN15_0/ P15_0 HRX1_N_MTHDMI_PONIL actOLowMute from HDMI RX1 (for HAU_N_INT distinction) 164 VCCVCC- 165 KI3/AN_7/P10_7+3.3S_PON+3.3S_PONOH actOLow+3.3S power supply 166 KI2/AN_6/P10_6AD2_COM+3

2、.3S_PONIA/DOLowAD selector 2 COM input 167 KI1/AN_5/P10_5AD1_COM+3.3S_PONIA/DOLowAD selector 1 COM input 168 KI0/AN_4/P10_4HRX2_N_MTHDMI_PONIL actOLowMute from HDMI RX2 (for HAU_N_INT distinction) 169 AN_3/P10_3KY_AD3ACIA/DOLowKey 3 170 AN_2/P10_2KY_AD2ACIA/DOLowKey 2 171 AN_1/P10_1KY_AD1ACIA/DOLowK

3、ey 1 172 AVSSAVSS- 173 AN_0/P10_0 HDR_N_RSTPRYOL actOLowHD Radio reset (U model) TUN_N_RSTPRYOL actOLowTuner reset (C, R, T, K, A, B, G, F, L, S, J models) 174 VREFVREF- 175 AVCCAVCC- 176 STXD4/SCL4/RXD4/ ADTRG/P9_7 HDR_MISOPRYIDataOLowHD Radio reception data (U model) TUN_SCLPRYODataOLowTuner I2C c

4、lock (C, R, T, K, A, B, G, F, L, S, J models) 0 + 0.82 k+ 0.82 k+ 1.0 k+ 1.5 k+ 1.5 k+ 1.8 k+ 2.7 k Detected voltage value at 171 pin 0 0.125 V 0.125 0.358 V 0.358 0.577 V 0.577 0.828 V 0.828 1.078 V 1.078 1.299 V 1.299 1.535 V 1.535 1.777 V A/D value (3.3 V=255) 0 910 2728 4445 6364 8384 100101 118

5、119 137 KEY1 SCENE 4 SCENE 3 SCENE 2 SCENE 1 ZONE 2 ON/OFF ZONE 3 ON/OFF ZONE 4 ON/OFF MAIN ZONE 0 + 0.82 k+ 0.82 k+ 1.0 k+ 1.5 k+ 1.5 k+ 1.8 k+ 2.7 k+ 3.3 k+ 4.7 k Detected voltage value at 169 pin 0 0.125 V 0.125 0.358 V 0.358 0.577 V 0.577 0.828 V 0.828 1.078 V 1.078 1.299 V 1.299 1.535 V 1.535 1

6、.777 V 1.777 2.010 V 2.010 2.241 V A/D value (3.3 V=255) 0 910 2728 4445 6364 8384 100101 118119 137138 155156 173 KEY3 PRESETPRESET MEMORYINFO ZONE CONTROL FMAM TUNING/CHTUNING/CHPURE DIRECT 0 + 0.82 k+ 0.82 k+ 1.0 k+ 1.5 k+ 1.5 k+ 1.8 k+ 2.7 k+ 3.3 k+ 4.7 k+ 6.8 k+ 12.0 k+ 22.0 k Detected voltage

7、value at 170 pin 0 0.125 V 0.125 0.358 V 0.358 0.577 V 0.577 0.828 V 0.828 1.078 V 1.078 1.299 V 1.299 1.535 V 1.535 1.777 V 1.777 2.010 V 2.010 2.241 V 2.241 2.476 V 2.476 2.709 V 2.709 2.940 V A/D value (3.3 V=255) 0 910 2728 4445 6364-8384 100101 118119 137138 155156 173174 191192 209210 227 KEY2

8、STRAIGHT TONE/ BALANCE OPTIONON SCREENENTER PROGRAMPROGRAM DISPLAYRETURN A/D value (3.3 V=255) 0 1213 3940 6768 9293 115116 140141 169199 221222 244 DestinationJUCR, STKAB, G, FL Key detection for A/D port Key input (A/D) pull-up resistance 10 k-ohms Destination detection for AD port Pull-up resista

9、nce 10 k-ohms 101 RX-A3020/RX-V3073 RX-A3020/RX-V3073 Microprocessor extended port IC70, 71: TC74VHC273FT (EL,K) (DIGITAL P.C.B.) Octal D-type flip-flop with clear IC70 IC71 Pin No. R32CRelated Power Supply externalFunction NameONOFFDetail of Function bus dataI/OLogicI/OLogic 2D8HDMI_PONHDMI_PONOH a

10、ctOLowHDMI power supply (Necessary for DSP, A-VIDEO drive) 5D9HRX1_N_RSTHDMI_PONOL actOLowHDMI receiver reset 6D10HTX1_N_RSTHDMI_PONOL actOLowHDMI transmitter reset 9D11HTX2_N_RSTHDMI_PONOL actOLowHDMI transmitter 2 reset 12 D12CEC_ENHDMI_PONOH actOLowCEC function ON/OFF of HDMI transmitter 2 15 D13

11、HTX_AUSELHDMI_PONOH HRXOLowHDMI transmitter sound select 16 D14HAU_N_OEHDMI_PONOL actOLowHDMI to DIR sound output enable 19 D15ZTX_AUSEL2ACOLowOLowSwitching of the HDMI sound and except HDMI Pin No. R32CRelated Power Supply externalFunction NameONOFFDetail of Function bus dataI/OLogicI/OLogic 2D0HSW

12、_N_RSTHDMI_PONOL actOLowHDMI switcher reset (L period: More than 5ms) 5D1VDEC_N_RSTVID_PONOL actOLowVideo decoder reset 6D2WIFI_PONWIFI_PONOH actOLowWiFi adaptor power supply control (spare) 9D3HRX_VSELHDMI_PONOL DECOLowVideo decoder to scaler route enable 12 D4F_HEQ_CEHDMI_PONOH actOLowFront HDMI +

13、 3.3HF power supply: Interlocking movement with HDMI_PON 15 D5VID_PONVID_PONOH actOLowVideo power supply 16 D6+3.3D_PON+3.3D_PONOH actOLowOR of HDMI_PON, DSP_PON, NET_USB_PON 19 D7PRYPRYOH actOLowPower relay 1CLR Q1 Q2 Q3 Q4 GND D1 D2 D3 D4 2 3 4 5 6 7 8 9 10 20VCC Q8 Q7 Q6 Q5 CK D8 D7 D6 D5 19 18 1

14、7 16 15 14 13 12 11 DCKCLR L H H H XX L H X Q L L H Qn InputsOutput Function Clear No Change 1 11 3 2 DR CKQ D1 Q1 CLR CK 4 5 DR CKQ D2 Q2 7 6 DR CKQ D3 Q3 8 9 DR CKQ D4 Q4 13 12 DR CKQ D5 Q5 14 15 DR CKQ D6 Q6 17 16 DR CKQ D7 Q7 18 19 DR CKQ D8 Q8 102 RX-A3020/RX-V3073 RX-A3020/RX-V3073 IC72, 73: T

15、C74VHC273FT (EL,K) (DIGITAL P.C.B.) Octal D-type flip-flop with clear IC72 IC73 Pin No. R32CRelated Power Supply externalFunction NameONOFFDetail of Function bus dataI/OLogicI/OLogic 2D8MONO_Z2PRYOH actOLowZONE 2 stereo/mono output switch 5D9MONO_Z3PRYOH actOLowZONE 3 stereo/mono output switch 6D10E

16、X2_N_RSTACOL actOLowReset of expansion IO2 9D11EX2_N_CSACOH actOLowChip select of expansion IO2 12 D12DAC_N_CS_SWDSP_PONOL actOLowDAC chip select SW 15 D13DAC_N_CS_FPDSP_PONOL actOLowDAC chip select Front Presence 16 D14DAC_N_RST_SB_FPDSP_PONOL actOLowDAC reset Surround Back/Front Presence 19 D15DAC

17、_MUTE_RPDSP_PONOH actOLowDAC mute Rear Presence Pin No. R32CRelated Power Supply externalFunction NameONOFFDetail of Function bus dataI/OLogicI/OLogic 2D0SCR_N_RSTHDMI_PONOL actOLowReset of scaler (VHD1900) 5D1SpareACOLowOLowSpare (for power supply control of VIDEO P.C.B.) (VID_PON2) 6D2FLP_PONFLD_P

18、ONOH actOLowFL driver VH and filament power supply control 9D3DAC_N_RSTDSP_PONOL actOLowDAC reset C/SR/SW 12 D4DAC_N_RST_FDSP_PONOL actOLowDAC reset Front 15 D5VID_PONVID_PONOH actOLowVideo power control 16 D6DSP2_N_RSTDSP_PONOL actOLowReset of DSP2 19 D7VOL3_CSPRY/OL actOLowVOL3 (NJU7313AM) chip se

19、lect DSP_PON 1CLR Q1 Q2 Q3 Q4 GND D1 D2 D3 D4 2 3 4 5 6 7 8 9 10 20VCC Q8 Q7 Q6 Q5 CK D8 D7 D6 D5 19 18 17 16 15 14 13 12 11 DCKCLR L H H H XX L H X Q L L H Qn InputsOutput Function Clear No Change 1 11 3 2 DR CKQ D1 Q1 CLR CK 4 5 DR CKQ D2 Q2 7 6 DR CKQ D3 Q3 8 9 DR CKQ D4 Q4 13 12 DR CKQ D5 Q5 14

20、15 DR CKQ D6 Q6 17 16 DR CKQ D7 Q7 18 19 DR CKQ D8 Q8 103 RX-A3020/RX-V3073 RX-A3020/RX-V3073 IC76, 77: SN74LV4051APWR (DIGITAL P.C.B.) 8-channel analog multiplexers/demultiplexers IC76 (AD2) IC77 (AD1) Pin No. Related Power Supply Port NameFunction NameONOFFDetail of Function I/OLogicI/OLogic AD se

21、lector 2 (AD2_COM signal is input into AN_6 of R32C) 1Y4THM2+3.3S_PONIA/DI-Temperature detection 2 2Y6THM3+3.3S_PONIA/DI-Temperature detection 3 4Y7THM4+3.3S_PONIA/DI-Temperature detection 4 5Y5DEST+3.3S_PONIA/DI-Destination distinction 12 Y3MODEL+3.3S_PONIA/DI-Model distinction 13 Y0Space+3.3S_PONI

22、A/DI- 14 Y1USB_VBUS_PRT +3.3S_PONIA/DI-Front USB overcurrent detection 15 Y2Space+3.3S_PONIA/DI- Pin No. Related Power Supply Port NameFunction NameONOFFDetail of Function I/OLogicI/OLogic AD selector 1 (AD1_COM signal is input into AN_5 of R32C) 1Y4PS2_PRT+3.3S_PONIA/DI-Power supply protection 2 2Y

23、6PS1_PRT+3.3S_PONIA/DI-Power supply protection 1 4Y7AMP_OLVPRYIA/DI-Amplifier output level detection 5Y5DC_PRTPRYIA/DI-DC protection 12 Y3THM1+3.3S_PONIA/DI-Temperature detection 1 13 Y0PS3_PRTACIA/DI-Power supply protection 3 14 Y1L3_DETVID_PONIA/DI-D terminal L3 detection 15 Y2MODE+3.3S_PONIA/DI-S

24、pecial mode distinction Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 COM INH C B A 11 10 9 6 3 13 14 15 12 1 5 2 4 1 2 3 4 5 6 7 89 10 16 15 14 13 12 11 Y4 Y6 COM Y7 Y5 INH GND GND VCC Y2 Y1 Y0 Y3 A B C INPUTSON CHANNEL INH L L L L L L L L H L L L H H H H X C L L H H L L H H X L H L H L H L H X L Y1 Y2 Y3 Y4 Y5 Y6 Y7 No

25、ne Y0 BA 104 RX-A3020/RX-V3073 RX-A3020/RX-V3073 Pin No. Related Power Supply Port NameFunction NameONOFFDetail of Function I/OLogicI/OLogic 26 GPIO0NCHDMI_PONOL-Unconnected: Output LOW setting 39 GPIO2NCHDMI_PONOL-Unconnected: Output LOW setting 49 GPIO35HT*_PONHDMI_PONOH act-HDMI out * 5VPWR outpu

26、t control Low: 5V Power OFF / High: 5V power ON 77 GPIO1NCHDMI_PONOL-Unconnected: Output LOW setting IC61, 62: Sii9136CTU-3 (DIGITAL P.C.B.) HDMI transmitter IC306 (Expansion IO1) IC182 (Expansion IO2) Pin No. Related Power Supply Port NameFunction NameONOFFDetail of Function I/OLogicI/OLogic 8P17OL

27、owNo used 9P16OLowNo used 10 P15OLowNo used 11 P14OLowNo used 12 P13OLowNo used 13 P12OLowNo used 14 P11OLowNo used 15 P10PA_B_RY1PRYOH:B=LowOLowPower amplifier B power supply control 1 17 P07PRYOLowNo used 18 P06SPRY_F_RP_CTRLPRYOH actOLowSP relay Front - SP2 19 P05SPRY_ZRP_CTRLPRYOH actOLowSP rela

28、y Surround Back - SP2 20 P04SPRY_ZFP_CTRLPRYOH actOLowSP relay Front Presence - SP1 21 P03SPRY_SB_CTRL PRYOH actOLowSP relay Surround Back 22 P02SPRY_SR_CTRL PRYOH actOLowSP relay Surround 23 P01SPRY_C_CTRLPRYOH actOLowSP relay Center 24 P00SPRY_F_CTRLPRYOH actOLowSP relay Front Pin No. Related Powe

29、r Supply Port NameFunction NameONOFFDetail of Function I/OLogicI/OLogic 8P17ACOLowOLowNo used 9P16ACOLowOLowNo used 10 P15ACOLowOLowNo used 11 P14DC_TRG2PRYOH actOLowControl out 2 12 P13ACOLowOLowNo used 13 P12DC_TRG1PRYOH actOLowControl out 1 14 P11VO_SEL2VID_PONOLowOLowMON output select of Y/C 15

30、P10VO_SEL1VID_PONOLowOLowMON output select of Y/C 17 P07ACOLowOLowNo used 18 P06VID_SEL1VID_PONOOLowInput select of Y/C 19 P05VID_SEL2VID_PONOOLowInput select of Y/C 20 P04VID_SEL3VID_PONOOLowInput select of Y/C 21 P03V_N_FMUTEVID_PONOOLowVideo full mute 22 P02VZ_SEL3VID_PONOOLowZONE 2 select of Y/C

31、 23 P01VZ_SEL2VID_PONOOLowZONE 2 select of Y/C 24 P00VZ_SEL1VID_PONOOLowZONE 2 select of Y/C IC306: R5F213G1DN400SP#W4 (VIDEO P.C.B.) IC182: R5F213G1DN400SP#W4 (AMPPOWER P.C.B.) Single chip 16 bit microprocessor R0H Timers Port P0 48431 Port P1Port P3Port P4 System clock generation circuit Low-speed

32、 on-chip oscillator for watchdog timer Comparator B Voltage detection circuit XIN-XOUT High-speed on-chip oscillator Low-speed on-chip oscillator XCIN-XCOUT UART or clock synchronous serial I/O (8 bits x 2) Watchdog timer (14 bits) A/D converter (10 bits x 8 channels) Timer RA (8 bits x 1) Timer RB

33、(8 bits x 1) Timer RC (16 bits x 1) Timer RE (8 bits x 1) R8C microprocessor coreMemory I/O ports Peripheral functions R0L R1HR1L R2 SB INTB PC USP ISP FLG ROM(1) RAM(2) Multiplier NOTES: 1. ROM size varies with MCU type. 2. RAM size varies with MCU type. R3 A0 A1 FB FILT AVSS PDN SMUTE DEM0 DEM1 IL

34、RCK IBICK SDTI IDIF0 1 2 3 4 5 6 7 8 9 10 TVDD MCLK OLRCK OBICK SDTO ODIF1 ODIF0 CMODE2 CMODE1 CMODE0 20 19 18 17 16 15 14 13 24 23 VDD DVSS 22 21 IDIF1 IDIF2 11 12 RX-A3020/RX-V3073 105 DAZ2 DANET MT_Z2 IC713MT_MZ IC763 BA15218F MT_MZ MT_MZ IC741 R2A15220J7414/7418 #1(2/2) IC701 MT_F_MI MT_MZ IC741

35、 R2A15220 #1(1/2) J7408/7409 MT_SB_MI SPRY_SR SPRY_SB SPRY_C SPRY_F SPRY_ZFP MT_MZ MT_MZ DANET MT_MZ NJM4565M IC761 MT_SB_PO IC742IC742 R2A15220R2A15220 #2(1/2)#2(2/2) NETWORK microprocessor IC951 DAC IC937 PCM5101PWR DSP1 DSP2 IC911 IC920 D80YK113 CPTP400 D80YK113 CPTP400 INA/REC1 INB/REC2 REC3 IN1

36、0/REC4 IN11/REC5 INA/REC1 INB/REC2 REC3 IN10/REC4 IN11/REC5 AV 1 (Coax) 0dBFs=2.8Vrms AV 2 (Coax)DAF AV 3 (Opt)DASr AV 4 (Opt)DASB(/FP/RP) USB DAC AUDIO 1 (Opt) AUDIO 2 (Coax) V-AUX (Opt) LAN LPF LPF LPF 0dBFs=2.8Vrms Max:2.8Vrms/typ:0.2Vrms ADC(OUT)0dB42dB-95dB0dB 0dB42dB-95dB0dB 0dB42dB-95dB0dB 0d

37、B42dB-95dB0dB 8chIN(F)SUB1(OUT)Zone 2 ToneFrontZone 2/FPtyp:1Vrms(Vol:+16.5dB) SUB2(OUT)Multi2Control BypassBypass AUDIO 4 AUDIO 3 AUDIO 2 AUDIO 1 Z2 to SB/EX2 SW1/2C/SWtyp:1Vrms(Vol:+16.5dB) 8chIN(SW)SUBWOOFER 1/2 50k-ohms 50k-ohms 4.5dB IC762 NJM4565M AV-OUTDASWMulti1 Multi1 Multi2 Multi1 Multi1 M

38、ulti2 DAF DAF FP/HPSurround PHONES 50k-ohms100 ohms AV 4 AV 3 AV 2 AV 1 17.78dB FrontSurr.Back Multi2FRONT 50k-ohms BiAmp to SB/EX2 SCINDAFP SBCIN 29.03dB PHONO PhonoEQ. NJM2068MD Mute IN10/REC4 INB/REC2 IN9 IN8 IN7 IN6 IN5 IN4 IN3 IN2 IN1 29.03dB V-AUX 29.03dB ext.IN IN14 IN13 IN12 IN11/REC5 29.03d

39、B 29.03dBext.Z2ADC(OUT)typ:28.3Vrms(Vol:+16.5dB) IN3SUB1(OUT)Zone 3 Tone Front SUB2(OUT)Control ext.Z3 Bypass Bypass IN4 IN7 IN8 DAFDAC/-C/-C/SWtyp:1Vrms(Vol:+16.5dB) 8chIN(C)CENTER 50k-ohms 50k-ohms YPAO MIC IN9 IN12 IN13 DASrSrSurroundtyp:1Vrms(Vol:+16.5dB) 8chIN(SR)SURROUND 50k-ohms INB/REC2 IN10

40、/REC4 DAZ3 AM/FM TunerDASB(/FP/RP)SB(/FP/RP)Surr.Backtyp:1Vrms(Vol:+16.5dB) 8chIN(SB)SURROUND BACK 50k-ohms DAFP 0dB SCIN DARPSBCIN LPF LPF LPF LPF HDMI Rx DIR/ADC IC900 IC903PCM9211 DAC IC812-815 PCM1789 PWR Zone 2 Mono Zone 3 Mono Mute Mute Mute Mute Mute Mute Mute Mute Mute Mute Main Zone 2 Zone

41、3 Multi1 Multi2 Multi1 Multi2 Multi1 Multi2 Multi1 Multi2 0dB42dB-95dB0dB 0dB42dB-95dB0dB 0dB42dB-95dB0dB 0dB42dB-95dB0dB SURROUND BACK L/R SURROUND L/R CENTER ZONE 2/ZONE 3/ F. PRESENCE/BI-AMP FRONT L/R ZONE 2/ F. PRESENCE/ BI-AMP SPEAKERS PRE OUT PRE OUT PRE OUT ZONE OUT IC743 NJM7313AM SW1 SW2 SW

42、3 SW4 SW6 SW5 SW7 SW8 Zone 3/RP Z3/RP to SB/EX2 HDMI Tx DASW1/2 DAFP MT_Z3 typ:1Vrms(Vol:+16.5dB) ZONE 3/RearPres.Mute typ:0.6Vrms8 ohms(Vol:+16.5dB) typ:1Vrms(Vol:+16.5dB) SPRY_F_RP SPRY_ZRP SPRY_ZRPMT_EX2_MI 11chAMP 29.03dB Mute Mute MT_EX1_MI ZONE 2/FrontPres. ADC IC871 AK5386VT Zone 2 DIR/ ADC P

43、CM9211 Zone 2 IC938 HDMI TRANSMITTER DAC IC937 PCM5101 DARP AV-OUT/Zone 4 (Opt) ? SCHEMATIC DIAGRAM FUNCTION (1) ? SCHEMATIC DIAGRAM DAC ? SCHEMATIC DIAGRAM FUNCTION (2) DIGITAL ? SCHEMATIC DIAGRAM ? SCHEMATIC DIAGRAM ? SCHEMATIC DIAGRAM OPERATION OPERATION ? SCHEMATIC DIAGRAM VIDEO ? SCHEMATIC DIAG

44、RAM OPERATION ? SCHEMATIC DIAGRAM AMP ABCDEFGHIJ 1 2 3 4 5 6 7 106 RX-A3020/RX-V3073 AUDIO Section Block Diagram BLOCK DIAGRAMS 16bit HDIG_DSD0A RX1 I2S (HPSD0) (HDMI DSD) HDMI RX1_SPDIF HDMI_ARC DIR I2S HDMI_ARC AV1_D AV2_D AV3_D AV4_D AD_L / RADC SPDIF Input Analog Input HPSD1SD3 RS232C MAIN Zone

45、DAC 16bit DSP SPI Zone 2 Analog Audio Net/USB I2S NET_L / R 16bit16bit Net/USB I2S NCPU SPI I2C_SCL/SDA RMII 50MHz TX/RX USB_DP/DM 24MHz XL951 IN1IN2IN3IN4IN5IN6IN7 OUT1 HDMI Switcher ADV7630KSVZ IC1 HDMI Switcher ADV7630KSVZ IC2 HDMI Equalizer AD8192ACPZ IC30 HDMI_SCL/SDAHDMI_SCL/SDAHDMI_SCL/SDAHDM

46、I_SCL/SDA HDMI_SCL/SDA DV_SCL/SDA HDMI_SCL/SDA HEQ_SCL/SDA HEQ_SCL/SDA DV_SCL/SDA HDMI Receiver ADV7619KSVZ IC3 CEC HDMI Transmitter Sil9136CTU-3 IC61 HDMI Transmitter Sil9136CTU-3 IC62 48bit 20bit AIN1 AIN2 AIN3 AIN4 AIN5 AIN6 HSW1_27MHz HSW2_27MHz SCLR_27MHz FPGA_27MHz SDRAM_27MHz 28.63636MHz XL1

47、XL2 115116 115116 XL20 28.63636MHz HSW1_27MHzHSW2_27MHz FPGA_27MHz SDRAM_27MHz Analog Video IN Analog Video OUT 27MHz XL51 36bit 36bit HDMI Decoder ADV7181CBSTZ IC21 IC23-25 ADCVBS35 36 46 47 48 49 ADSY ADSC ADPb ADPr ADY SDRAM 128Mbit IC53 NT5SV8M16HS-6K FPGA EP4CE15F23C6N IC50 DSP1 D80YK113CPTP400

48、 IC911 DIR1 PCM9211PTR IC900 MPIO_B MPIO_C MAIN OUT DSP SPI Buffer TC74LCX245FT Buffer TC74LCX245FT RT_SD1-3 RT_SD0 DSP I2S SD0-3 AUP_SD0 I2S SD0 Main AudioUP RT_SD1-3 Main HDMI Main HDMI Audio RT_SD0-3 Main/Zone HDMI Audio Repeat 16bit 16bit 16bit 16bit 16bit FPGA SPI ARC Buffer TC74VHCU04FT FPGA_N

49、_CS FLASH_N_CS DFF1_N_CS DFF2_N_CS Flash ROM 64Mbit IC75 DFF1 VHC272 x2 IC71,71 DFF2 VHC272 x2 IC72,73 Microprocessor R32C/116A IC79 R5F6416MADFE RAM:96K Byte ROM:1M Byte Clock:50MHz Analog Mux SN74LV4051APWR SN74LV4051APWR IC76 Analog Mux IC77 EEPROM 512Kbit IC78 R1EX25512ATA00A XL70 8MHz CERALOCK SPI0 SPI9U