Onkyo TX-SR603 Service Manual page 60

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MICROPROCESSOR TERMINAL DESCRIPTIONS-2
Q701: M30624MHP-253FPU0
Pin No.
Pin name
SPRLSB
51
SPRLCS
52
SPRLF
53
TUMUT
54
PLLCE
55
PLLSDO
56
PLLCLK
57
STEREO/PLLSDI
58
SD
59
VPOWER
60
APOWER
61
VCC2
62
SEC1H
63
VSS
64
VOLH
65
THERMAL
66
PROTECT
67
FANCTRL
68
FANH
69
TRGZ2
70
RDSDAT
71
RDSSIG
72
SYSIN
73
NU
74
~RDSCLK
75
~SYSOUT
76
LEDPURE
77
LEDZONE2
78
LEDSTBY
79
HPRL
80
HPDET
81
MICDET
82
VOLB
83
VOLA
84
INIT3
85
INIT2
86
INIT1
87
BAND
88
KEYINT3
89
KEYINT2
90
KEYINT1
91
KEYINT0
92
KEY3
93
KEY2
94
KEY1
95
AVSS
96
KEY0
97
VREF
98
AVCC
99
OSDCS
100
I/O
Act.
Description
O
H
Output control signal for relay drive of surround back speakers.
O
H
Output control signal for relay drive of center and surround speakers.
O
H
Output control signal for relay drive of front speakers.
O
H
Output signal of tuner mute.
O
H
Output chip enable for PLL IC of tuner.
O
H
Output serial data for PLL IC of tuner.
O
CLK
Output serial clock for PLL IC of tuner.
I
L
Input detection of stereo signal, and serial data of PLL IC.
I
L
Input detection signal of demodulation of tuner.
O
H
Output control signal of power supply of the video circuit.
O
H
Output control signal of main power supply.
---
---
Power supply.
O
H
Output control signal for power supply of amplifier section.
---
---
Ground.
I
A/D
Input detection signal of speaker output level.
I
A/D
Input detection signal of thermal detection.
I
H
Input detection signal of over current of speaker output.
O
L
Output control signal of cooling fan. Function control.
O
L
Output control signal of cooling fan. Speed control.
O
H
Output of 12V trigger out/ zone 2 signal.
I
H
Input serial data of RDS. MPP (European model) only.
I
H
Input detection signal of demodulation of RDS. MPP (European model) only.
I
H
Input signal of RI (system control).
---
---
Not used.
I
L
Input serial clock of RDS. MPP (European model) only.
O
L
Output signal of RI (system control).
O
H
Output control signal of pure audio LED. Except MDD (USA model).
O
H
Output control signal of zone 2 LED
O
L
Output control signal of Standby LED.
O
H
Output control signal for relay drive of headphone.
I
H
Input detection signal of headphone state.
I
L
Input detection signal of setup mic state.
I
H
Input signal of rotary encoder.
I
H
Input signal of rotary encoder.
I
A/D
For initial setting-3.
I
A/D
For initial setting-2.
I
A/D
For initial setting-1.
I
A/D
For initial setting of tuner band and step.
I
L
Input signal of operation keys.
I
L
Input signal of operation keys.
I
L
Input signal of operation keys.
I
L
Input signal of operation keys.
I
A/D
Input signal of operation keys.
I
A/D
Input signal of operation keys.
I
A/D
Input signal of operation keys.
---
---
Ground for A/D.
I
A/D
Input signal of operation keys.
---
---
Power supply for reference of A/D.
---
---
Power supply.
O
H
Output of chip select of OSD IC.
TX-SR603/603E/8360

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