Pioneer VSX-52TX Service Manual - Page 136

1 2 3 4 PD5957A (MAIN CONTROL ASSY: IC501) (For VSX-52TX) • Main Microcomputer A Pin Assignment (Top view) NECKA 5V 5V NC GND SIM2 SIM1 TEMP1 FASTP FADR NC WATT OSCT OSCS OSRT NRDT TCE TDI TCK TDO NECK 100 AVCC 99 VREF 98 P100 97 AVSS 96 SIMUKE2 95 SIMUKE1 94 TEMP1 93 FAN STOP 92 FAN DRIVE 91 NC 90 WATT IN1 89 OSDCT 88 OSDCS 87 OSDRT 86 MRDATA 85 T_CE 84 T_DI 83 T_CLK 82 T_DO 81 NECK B 1 NECK8 B DISP RST 2 DISP RST DISP EN 3 DISP EN DISP RDY 4 DISP RDY OSD/DISP DI DISP DO 5 DISP DI 6 DISP DO OSD/DISP CLK 7 DISP CK GND 8 BYTE GND 9 CMVSS 12 CK 10 12C CK 12 DT 11 12C DT XRESET 12 XRESET XOUT 13 XOUT C GND 14 VSS XIN 15 XIN 5V 16 VCC NMI 17 NM1 WAKEUP 18 AC WP IE INT 19 1394 INT 1W WUP 20 1W WP DEMU 21 DECO MUTE DSPOL 22 DSPOL 86A 23 2586A 86B 24 2586B D IE CTL 25 1394SW IE RST 26 1394RST IE CS 27 1394CS IE CK 28 1394CK IE DO 29 1394DO IE DI 30 1394DI E 31 232C RXD 32 232C TXD 33 CLK 34 232C CTS 35 DSP D1 36 DSP DO 37 DSP CLK 38 DSP RST 39 DSP SS 40 BUSY 41 DSP HREQ 42 DSP MODE 43 DSP MUTE 44 ADMD 45 DIR DO 46 DIR CS 47 LSSN 48 DIR RST 49 DIR ERR 50 XTLO BIAMP 80 MICSEL 79 MR MUTE 78 RDS FM+ 77 RDS DT 76 RDS CLK 75 DC PROT 74 OL DET 73 VIDEO1 72 VIDEO2 71 VIDEO3 70 MRVSW1 69 MRVSW2 68 4052A 67 4052B 66 SY DET 65 VSS 64 EVR DT 63 VCC 62 EVR CLK 61 GAIN_SEL 60 MVRATT 59 LOW POW 58 A MUTE 57 HP DET 56 RY-AC 55 RY-HP 54 RY_A 53 RY_C/R 52 RY_B 51 BI AMP MI CSEL MR MU RDS SW RDS DT RDS CK DC DET OL DET V1 V2 V3 MR SW1 MR SW2 52A 52B SYDET GND VLDT 5V VLCK PREG MVRATT V+5US MUTE HP SW RY AC RY HP RY AF RY CS RY BS T_ RXD T_ TXD T_SCLK T_BUSY DS DI DS DO DS CK DS RST DSS BU DS HR DS MO DS MU ADMD DR DO DR CS LSSN DR ST DR ER XT LO F 136 VSX-52TX 1 2 3 4