Onkyo TX-SA806 Service Manual page 130

MICROPROCESSOR TERMINAL DESCRIPTIONS -3
Q1016: MPD70F3746
Pin No. Pin Name
ZONE2LED
101
102 PURELED
103 BVSS
BVDD
104
105 STANDBYLED
106 VMUT
XMRST
107
108 XMDACRST
109 SBZ2MUT
110 ROMCS
111 ROMCLK
ROMSDI
112
113 ROMSDO
114 Z2MUT
AMUT
115
116 IPROTECT
117 PROTECT
118 SPRLF
119 SPRLCS
SPRLSB
120
121 PRERLSB
122 SPRLZ2
VOLCLK
123
124 VOLDATA
125 Z2VOLCLK
126 MEQMUTE
127 APOWER
VPOWER
128
129 HPDET
130 MICMUT
MICDET
131
132 VOLB
133 VOLA
134 VOLH
135 THERMAL2
THERMAL1
136
137 INIT3
138 INIT2
INIT1
139
140 BAND
141 KEY3
KEY2
142
143 KEY1
KEY0
144
I/O Active
O ZONE2 LED control output.
H
O H PURE AUDIO LED control output.
--- Ground.
---
--- Power supply +3.3V
---
O H STANDBY LED control output.
O VIDEO MUTE control output.
H
O
H XM IC reset control output.
O L XM DAC reset control output.
O SurroundBack/ZONE2 MUTE control output.
H
O H EEPROM chip selecting output.
O CLK EEPROM clock output.
I EEPROM data input.
H
O H EEPROM data output.
O ZONE2 MUTE control output.
H
O AUDIO MUTE control output.
H
I H Current PROTECT detecting input.
I PROTECT detecting input.
H
O H Control output for Front ch Speaker relay.
O H Control output for Center/Surround ch Speaker relay.
O Control output for SurroundBack ch Speaker relay.
H
O H Control output for SurroundBack ch Preout relay.
O Control output for ZONE2 speaker relay.
H
O Clock output to Audio Processor R2S15211.
CLK
O H Data output to Audio Processor R2S15211.
O ZONE2 Volume clock output.
CLK
I H Mute detecting input during Audyssey setup mesurement.
O H Control output to audio circuit's power supply.
O Control output to video circuit's power supply.
H
I H Headphone Detect input.
O MIC mute control output.
H
I MIC detecting input.
L
I CLK Master Volume rotary-encoder data input B.
I Master Volume rotary-encoder data input A.
H
I A/D Power amplifier VOLH voltage input.
I A/D Power amplifier's thermal sensor voltage input 2.
I Power amplifier's thermal sensor voltage input 1.
A/D
I A/D Initial setting pin 3.
I Initial setting pin 2.
A/D
I Initial setting pin 1.
A/D
I A/D Tuner' band setting pin.
I A/D voltage input 3 for Key marix.
A/D
I A/D A/D voltage input 2 for Key marix.
I H A/D voltage input 1 for Key marix.
I A/D voltage input 0 for Key marix.
A/D
TX-SR806/SA806
Description