Onkyo TX-NR906 Service Manual page 159

MICROPROCESSOR TERMINAL DESCRIPTIONS -2
Q7001: M3087BFLBGP
Pin No. Pin Name
ROMCLK
51
52 (NETRESUME)
53 SPRLFB
54 FEPM
55 SPRLZ2
56 Z3MUTE
57 Vss
58 Z2MUTE
59 Vcc
60 SBZ2MUTE
61 AMUTE
62 SPRLSB
63 SPRLCS
64 SPRLF
65 FCS
66 (DAMPRSV)
67 (DAMPINT)
68 FSWPOWER
69 SELSTB
70 SELDAT
71 SELCLK
72 ~VOLRST
73 ~VOLMUTE
74 Vcc
75 ~VOLCS
76 Vss
77 VOLSDO
78 VOLCLK
79 ~DSP3INT
80 ~DSP3RST
81 ~DSP2INT
82 ~DSP2RST
83 ~DSP1INT
84 ~DSP1RST
85 ~DACRST
86 DIRINT
87 ~DIRRST
88 DIGSDI
89 DIGCLK
90 DIGSDO
91 Vcc
92 PROTECT
93 Vss
94 APOWER2
95 APOWER1
96 MEQMUTE
97 VPOWER
98 MPOWER
99 VOLH
100 THERMAL2
I/O Act.
O CLK E2PROM serial clock output
O L Not used
Front-B Speaker relay control
O H
I H Connect to Vss
O H Zone2 Speaker relay control
Zone3 mute control
O H
I --- GND
O Zone2 mute control
H
I H Power supply(+3.3V)
O H Surround Back/Powered Zone2 mute control
Main audio mute control
O H
O H Surround Back Speaker relay control
O H Center/Surround Speaker relay control
Front Speaker relay control
O H
I H Connect to Vcc
O Not used
H
O H Not used
O L Control output to NJU7312
Audio input selector IC Strobe output
O H
O H Audio input selector IC data output
O CLK Audio input selector IC clock output
Volume IC reset control
O L
O L Volume IC mute control
I Power supply(+3.3V)
---
O L Volume IC chip select
I --- GND
Volume IC serial data output
O H
O CLK Volume IC serial clock output
I L 3rd DSP BUSY detect input
3rd DSP reset
O L
I L 2nd DSP BUSY detect input
O 2nd DSP reset control
L
1st DSP BUSY detect input
I L
O L 1st DSP reset control
DAC reset control
O L
I H DIR Error detect input
O L DIR reset control
DIR/DSP/DAC serial data input
I H
O CLK DIR/DSP/DAC/FLD serial clock output
O DIR/DSP/DAC/FLD serial data output
H
Power supply(+3.3V)
I ---
I H PROTECT detect input
GND
I ---
O H Main power transformer control output2
O H Main power transformer control output1
3rd DSP Audyssey mute detect input
I H
O H Video circuit power control output
O Middle power trans control output
H
Power Amplifier output voltage detect
I A/D
I A/D Thermal sensor voltage input
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TX-NR906/NA906
Description