ONKYO TXSR503
Instrukcja Serwisowa

TX-SR503/503E/8350 MICROPROCESSOR TERMINAL DESCRIPTIONS-2
Q701: M30622MGP-236FPU0
Pin No. 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 Pin name SPRLSB SPRLCS SPRLF/SPRLSW TUMUT PLLCE PLLSDO PLLCLK ~STEREO/PLLSDI ~SD VPOWER APOWER VCC2 SEC1H VSS VOLH THERMAL PROTECT FANCTRL FANH NU RDSDAT RDSSIG SYSIN NU ~RDSCLK ~SYSOUT LEDPURE NU ~LEDSTBY HPRL HPDET NU VOLB VOLA INIT3 INIT2 INIT1 BAND ~KEYINT3 ~KEYINT2 ~KEYINT1 ~KEYINT0 KEY3 KEY2 KEY1 AVSS KEY0 VREF AVCC NU I/O O O O O O O O I I O O --O --I I I O O --I I I --I O O --O O I --I I I I I I I I I I I I I --I ------Act. H H H H H H CLK L L H H --H --A/D A/D H L L --H H H --L L H --L H H --H H A/D A/D A/D A/D L L L L A/D A/D A/D --A/D ------Description Output control signal for relay drive of surround back speakers. Output control signal for relay drive of center and surround speakers. Output control signal for relay drive of front speakers. Output signal of tuner mute. Output chip enable for PLL IC of tuner. Output serial data for PLL IC of tuner. Output serial clock for PLL IC of tuner. Input detection of stereo signal, and serial data of PLL IC. Input detection signal of demodulation of tuner. Output control signal of power supply of the video circuit. Output control signal of main power supply. Power supply. Output control signal for power supply of amplifier section. Ground. Input detection signal of speaker output level. Input detection signal of thermal detection. Input detection signal of over current of speaker output. Output control signal of cooling fan. Function control. Output control signal of cooling fan. Speed control. Not used. Input serial data of RDS. MPP (European model) only. Input detection signal of demodulation of RDS. MPP (European model) only. Input signal of RI (system control). Not used. Input serial clock of RDS. MPP (European model) only. Output signal of RI (system control). Output control signal of Pure Audio LED. Except MDD (USA model). Not used. Output control signal of Standby LED. Output control signal for relay drive of headphone. Input detection signal of headphone state. Not used. Input signal of rotary encoder. Input signal of rotary encoder. For initial setting-3. For initial setting-2. For initial setting-1. For initial setting of tuner band and step. Input signal of operation keys. Input signal of operation keys. Input signal of operation keys. Input signal of operation keys. Input signal of operation keys. Input signal of operation keys. Input signal of operation keys. Ground for A/D. Input signal of operation keys. Power supply for reference of A/D. Power supply. Not used.