Onkyo TX-SA705 Service Manual page 134

MICROPROCESSOR TERMINAL DESCRIPTIONS -2
Q2001: M3087BFKBGP
Pin No. Pin Name
ROMCLK
51
52 ~TRGZ2
53 ~TRGB
54 ---
55 SPRLZ2
56 SPDIFSW
57 Vss
58 Z2MUTE
59 Vcc
60 SBZ2MUTE
61 AMUTE
62 SPRLSB
63 SPRLCS
64 SPRLF
65 FCS
66 ~DSP1CS
67 ~DSP2CS
68 ~DSP3CS
69 SELSTB
70 SELDAT
71 SELCLK
72 ~DSCCS
73 ~DIRCS
74 Vcc
75 ~TRGA
76 Vss
77 VOLDAT
78 VOLCLK
79 ~DSP3INT
80 ~DSP3RST
81 ~DSP2INT
82 ~DSP2RST
83 ~DSP1INT
84 ~DSP1RST
85 ~DACRST
86 ~DIRINT
87 DSP1NIC
88 DIGSDI
89 DIGCLK
90 DIGSDO
91 Vcc
92 PROTECT
93 Vss
---
94
95 APOWER
96 MEQMUTE
97 VPOWER
98 ---
99 VOLH
100 THERMAL2
I/O Act.
EEPROM clock output
O CLK
O H 12 V Trigger Zone2 output
12 V Trigger B output
O H
Connect to Vss
I H
O H Zone2 Speaker relay control
S/PDIF Switch
O H
I H GND
O H Zone2 mute control
Power supply
I H
O H Surround Back/Powered Zone2 mute control
Main audio mute control
O H
Surround Back SP relay control
O H
O H Center/Surround SP relay control
Front SP relay control
O H
I H Connect to Vcc
O L DSP1 chip select output
DSP2 chip select output
O L
O L DSP3 chip select output
O H Audio input selector IC strobe output
Audio input selector IC data output
O H
O CLK Audio input selector IC clock output
CS4398 chip select output
O L
O L CS42528 chip select output
I --- Power supply
12V Trigger A output
O H
I --- GND
O H Volume IC data output
Volume IC clock output
O CLK
I L DSP3 BUSY detect input
DSP3 reset output
O L
DSP2 BUSY detect input
I L
O L DSP2 reset output
DSP1 BUSY detect input
I L
O L DSP1 reset output
O L DAC reset output
DIRCODEC Error detect input
I H
I L DSP1 status change input
DIR/DSP/DAC/FLD data input
I H
DIR/DSP/DAC/FLD clock output
O CLK
O H DIR/DSP/DAC/FLD data output
Power supply
I ---
I H PROTECT detect input
I --- GND
No use
O H
O H Main Power trans control output
3rd DSP Audyssey mute detect input
I H
Video power supply control output
O H
O H No use
Power output level detect input
I A/D
I A/D Thermal sensor2 input
TX-SR705/SA705
Description