Onkyo HT-R960 Service Manual page 78

MICROPROCESSOR TERMINAL DESCRIPTIONS-3
Q701 : MPD70F3746 (Main Microprocessor)
Pin No. Pin Name
101 VSW_S7
102 VSW_S8
103 VSS
104 VCC2
105 SBZ2MUT
106 PRRLF
107 Z2MUT
108 AMUT
109 PROTECT
110 ROMCS
111 ROMCLK
112 ROMSDI
113 ROMSDO
114 SPRLF
115 SPRLCS
116 SPRLSB
117 PRERLSB
118 SPRLZ2
119 SEC1H
120 VOLCLK
121 VOLDATA
122 Z2VOLCLK
123 APOWER
124 VPOWER
125 HPDET
126 MICMUT
127 MICDET
128 LEDZONE2
129 LEDSTBY
130 TRGC
131 TRGB
132 TRGA
133 VOLA
134 VOLB
135 VOLH
136 THERMAL
137 INIT3
138 INIT2
139 INIT1
140 BAND
141 KEY3
142 KEY2
143 KEY1
144 KEY0
I/O Act. Description
O H/L Video switch IC (AN15880A) control.
O H/L Video switch IC (AN15880A) control.
--- --- Ground.
--- --- Power supply.
O H Surround back/ Zone 2 muting control.
O H Preout (front L/R) relay control.
O H Zone 2 muting control.
O H Audio muting control.
I H Speaker protect detection.
O H EEPROM IC (R1EX25064) chip select.
O CLK EEPROM IC (R1EX25064) clock output.
I H EEPROM IC (R1EX25064) data input.
O H EEPROM IC (R1EX25064) data output.
O H Front speaker relay control.
O H Center/ surround speaker relay control.
O H Surround back speaker relay control.
O H Speaker-B relay control.
O H Zone 2 speaker relay control.
O H Secondary-1 (high) power supply control.
O CLK Volume/ selector IC (R2S15211) clock output.
O H Volume/ selector IC (R2S15211) data output.
O H Zone 2 output volume IC clock output..
O H Main power supply control.
O H Video circuit power supply control.
I H Headphone detection input.
O H Setup mic muting output.
I L Setup mic detection input.
O H Zone 2 LED control output.
O L Standby LED control output.
--- --- Not used.
--- --- Not used.
--- --- Not used.
Rotary encoder (Master volume) signal input.
I CLK
I CLK Rotary encoder (Master volume) signal input.
I AD Power amplifier output voltage detection.
I AD Thermal detection.
I AD Initial setting.
I AD Initial setting.
I AD Initial setting.
I AD Initial setting.
I AD key input.
I AD key input.
I AD key input.
I AD key input.
HT-R960