Onkyo HT-R8230, Руководство по обслуживанию

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MICROPROCESSOR TERMINAL DESCRIPTIONS-1
Q7008:MPD784225GC-249-8BT(MAIN MICROPROCESSOR)
HT-R8230
26
27
28
29
30
34
35
36
37
39
40
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
No.
1
2
3
11
10
12
15
16
17
18
19
20
21
22
23
24
25
POWRL
VCTRLA
VCTRLB
VMUT2
VMUT1
AMUT
PLLSTB
PLLSDO
PLLCLK
~SD
~STEREO
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
I
I/O
SELCLK
SELSDO
SNONE
SWNONE
CNONE
~DIRCS
~DSPCS
~ROM/RAM
ADDR15
ADDR16
ADDR17
DSPCLK
DSPSDO
~DSPRST
DSPSDI
DIRINT1
DIRINT0
~DIRPD
RESET
Pin name I/O
PROTECT I
I
I
I
I
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
VOLH
BAND
NU
NU
MCRDY
MCSDI
MCSDO
MCCLK
~MCRST
HPMUT
HPIN
SPBRL
SEC1H
SPACSRL
SPAFRL
Power source relay control output terminal.
Control signal-A output terminal for the
video selector switch.
Control signal-B output terminal for the
video selector switch.
Muting control-2 output terminal for the
video section.
Muting control-1 output terminal for the
video section.
Audio muting control output terminal.
Strobe signal output terminal to PLL IC.
Serial data output terminal to PLL IC.
Serial clock output terminal to PLL IC.
38 TUMUT
O
Muting control output terminal for the
tuner section.
Broadcast detection input terminal more
than a muting level.
41 SELMUT
O
Muting control output terminal for
selector, volume and tone IC BD3811.
FM stereo broadcast detection input terminal.
Serial clock output terminal of selector,
volume and tone IC BD3811.
Serial data and latch signal output terminal
for selector, volume and tone IC BD3811.
Not used.
Not used.
Not used.
Chip select signal output terminal to DIR
IC AK4586.
Chip select signal output terminal to DSP IC.
ROM/RAM select terminal. Not used.
DSP boot ROM address 15 select terminal.
Not used.
DSP boot ROM address 16 select terminal.
Not used.
DSP boot ROM address 17 select terminal.
Not used.
Serial clock output terminal for DSP IC
CS493264,DIR and CODEC IC AK4586.
Serial data output terminal for DSP IC
CS493264,DIR and CODEC IC AK4586.
Reset signal output terminal to DSP IC.
Serial data input terminal from DSP IC
CS493264,DIR and CODEC IC AK4586.
Input terminal to detect the status of DIR IC.
Input terminal to detect the unlock of DIR IC.
Power down terminal to DIR and CODEC ICs.
61
O
NU Not used.
63 O NU Not used.
Reset input terminal.
Description No. Pin name Description
Current detection and DC voltage detection
input terminal.
Thermal detection and power amplifier
output level detection input terminal.
Input terminal for destination setup.
4
I
AVSS Power supply te5V.
7 I AVREF1 Ground terminal for A/D converter.
I VSS1 Ground terminal.
Not used.
Not used.
Data ready detection input terminal from
the sub microprocessor.
Data input terminal from the sub
microprocessor.
Data output terminal to the sub
microprocessor.
Serial clock output terminal to the sub
microprocessor.
Reset signal output terminal to the sub
microprocessor.
Muting control output terminal for
headphone amplifier. Not used.
Input terminal to detect the connection of
headphone.
Speaker relay control output terminal for front B.
5 O NU Not used.
8 O NU Not used.
9 O NU Not used.
O
O
O
13 NU Not used. O
14 NU Not used. O
31 NU Not used. O
32
33
NU Not used. O
NU Not used.
6
O
NU Not used.
Control output terminal for power supply
voltage of power amplifier.
Speaker relay control output terminal for
center and surround channels.
Speaker relay control output terminal
for front-A channels.
62
64
65
66
69
70
71
72
73
76
77
POFF
~INTREQ/~ABOOT
PROTHERM
~RDSCLK
X2
X1
78 INIT1
TEST/VPP
XT2
XT1
RDSDATA
RDSSIG
Power failure detection input terminal.
Interrupter input terminal from DSP IC.
Not used.
RDS clock input terminal (European model
only)
Connect the ceramic oscillator 12.5MHz.
Connect the ceramic oscillator 12.5MHz.
Test terminal.
Not used.
Not used.
I 74 VDD0 Power supply te5V.
I 67 VSS0 Ground terminal.
I 68 VDD0 Power supply te5V.
I 75 AVDD Power supply terminal for A/D con5V.
Data input terminal of RDS broadcast
(European model only)
Input terminal to check the signal of RDS
broadcast (European model only)
Input terminal-1 for destination setup.
I 79 INIT2 Input terminal-2 for destination setup.
I 80 INIT3 Input terminal-3 for destination setup.
I/O