Onkyo HT-R540 Service Manual page 85

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MICROPROCESSOR TERMINAL DESCRIPTIONS-2
Q701 : M30622MWP-B06
Pin No.
Pin Name
SPRLF
51
---
52
VOLDAT
53
VOLCLK
54
---
55
VPOWER
56
APOWER
57
~POFF2
58
~FANH
59
~FANCTRL
60
---
61
Vcc2
62
SEC1H
63
Vss
64
PROTECT
65
VOLH
66
THERMAL
67
INIT3
68
INIT2
69
INIT1
70
BAND
71
~SYSOUT
72
SYSIN
73
---
74
~REMIN
75
~STEREO
76
~SD
77
HPDET
78
VOLB
79
VOLA
80
---
81
---
82
---
83
~LEDSTBY
84
FLDSDO
85
FLDCLK
86
~FLDCS
87
~FLDRST
88
---
89
---
90
~KEYINT1
91
~KEYINT0
92
KEY3
93
KEY2
94
KEY1
95
AVss
96
KEY0
97
Vref
98
AVcc
99
~VSWS8
100
I/O
Act.
Description
O
H
Speaker relay(F) control output
O
H
Not used
O
H
Data output for R2S15211
O
H
Clock output for R2S15211
O
H
Not used
O
H
Not used(D type)/Video power control output
O
H
Power control output
I
L
POFF2 detect input
O
L
Not used
O
L
Not used
O
H
Not used
---
---
Power supply.
O
H
Power supply control output for power amplifier
---
---
Ground.
I
H
Detect input of speaker protect
I
A/D
Detect input of speaker output voltage level
I
A/D
Thermal detect input
I
A/D
Input for initial setting
I
A/D
Input for initial setting
I
A/D
Input for initial setting
I
A/D
Input for tuner frequency setting
O
L
RI output
I
H
RI input
I
L
Not used
I
L
Remote control signal input
I
L
FM stereo detect input
I
L
FM/AM tuned detect input
I
H
Headphone detect input
I
H
Data input from rotary encoder(Master volume)
I
H
Data input from rotary encoder(Master volume)
O
H
Not used
O
H
Not used
O
H
Not used
O
L
Standby LED control output
O
H
FL driver(M66005) data output
O
CLK
FL driver(M66005) clock output
O
L
FL driver(M66005) chip select output
O
L
FL driver(M66005) reset control output
I
L
Not used
I
L
Not used
I
L
Key interrupt input
I
L
Key interrupt input
I
A/D
Key input
I
A/D
Key input
I
A/D
Key input
---
---
Ground for A/D converter
I
A/D
Key input
---
---
Power supply for reference of A/D converter
---
---
Power supply.
O
L
V1MUT control output for video sw IC(AN15880)
TX-SR504/504E/8450

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