Onkyo TX-SR800

TX-SR800
MAIN MICROPROCESSOR-CONNECTION DIAGRAM 1
Q7000
M30624MGA-B03FP
24 25 26 27 28 29 3051
52 53
7
8 9
74
73 72 71 70 69 68 67 66 65 63 61 60 59 58 57 56 55 54
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
23 22 21 20 19 18 17 11 10 16
62
14
64
15 13 12
Q131 DIR
AK4141VQ
Q700
FIRST
DSP
MB86D41
Q701 SECONDARY DSP M86344
Q800
6CH DAC
AK4536VQ
Q7201
SUB
MICROPROCESSOR
M30624FGFP
SDA SCL TNDA NPOWER ~TNCS1 ~XDARST ~XDACS ~XPOR RDSDA ~RDSID ~POFF RDSCL PRTCTV P85 VCC XIN VSS XOUT ~RESET SEC1H ~PRTCTTHM VSS BYTE AMUT
~XPOWER
~SUBRESET
~SUBPOFF
~SUBREQ
MAINSO
MAINSI
MAINSCK
~MAINREQ
P57
P56
P55
~DIRCS
~DIRRST
DFS
~DAPD
P50
2NDPLLLOCK
2NDPLLCL
2NDPLLCS
EX
~CODECPD
UPSMPL
~DSP1RST
DSP1PM
DSP1GP8
DSP1BST
~DSP1HCS
~DSP2RST
DSP2BST
~DSP2HCS
P31
VCC
P30
VSS
P27
DTCDACCL
DTCDACCS DTCDACDA
P23
~DSP2HACN ~DSP1HACN
DSP2HDOUT
DIRINT1 DIRINT0
Q103
AD/DA CONVERTER
AK4528VF
Q4400
TONE
CONTROL
NJU7308G
Q4401
TONE
CONTROL
NJU7308G
THERM
A
DET.
CIRCUI
T
Q701
X7000
16MHz
OSC
PROTEC-
TION
CIRCUIT
DC/CURRENT
POWER
FAILURE
DET.
Q190
TC74HC157
Q121
TC74VHCT00
34
33
A
1
2
3
4
5
BCD