Onkyo TX-DS797

TX-DS797
TX-DS797
A
1
2
3
4
BCD E
SUBMICROPROCESSOR-CONNECTION DIAGRAM
P7481
HEADPHONES
HPDET
D7534
+B
D7523
V2
D7524
V3
Q75
24
Q7523
RED
GREEN
RZV2
RZV3
S7569
VOLUME
S7559
DISPLAY
S7579
ENTER
S7551
TAPE
S7573
PTY/TP
DIMMER
S7545
VIDEO 1
S7554
PHONO
S7564
ZONE 2
S7572
DSP >
S7544
DVD
S7553
AM
S7563
REC
S7576
MENU
S7547
VIDEO 3
S7556
EXIT
S7566
STEREO
S7571
DSP <
S7543
AUDIO SEL
S7552
FM
S7577
TUNING
DOWN
S7548
VIDEO 4
S7557
PRESET >
S7567
SURROUND
S7574
FM MODE
S7541
STANDBY
/ON
S7542
PUREAUDIO
S7578
TUNING UP
S7549
VIDEO 5
S7558
PRESET <
S7568
THX
S7575
MEMORY
S7546
VIDEO 2
S7555
CD
S7565
OFF
K0
K1
K2
K3
12
11
10
9
8
7
6
5
4
3
2
1
18
17
15
16
31
30
29
28
27
26
25
24
23
19
32
22
21
20
14
13
Q7503
2SC2712
F2
F2
NP
NP
NC
P35
P34
P33
P32
P31
P30
P29
P28
P27
P26
P25
P24
P23
P22
P21
P20
P19
P18
P17
P16
P15
P14
P13
P12
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
NC
NC
NC
NC
NC
NC
16G
15G
14G
13G
12G
11G
10G
9G
8G
7G
6G
5G
4G
3G
2G
1G
NP
NP
F1
F1
Q7501
16-BT-96GNK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
Q7502
M66005FP
64
63
62
61
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
60
P27
P26
P25
P24
P23
P22
P21
P20
P19
P18
P17
P16
P15
P14
P13
P12
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
16G
15G
14G
13G
-VP
P28
P29
P30
P31
P32
P33
P34
P35
1G
2G
3G
4G
5G
6G
7G
8G
9G
10G
11G
12G
FLOSDDA
FLOSDCL
FLCS1
FLRES
Q7202
BUFFER
Q7201
M30624MGA-359FP
1
24 25 26 27 28 29
2
30
3 4
51 52 53
5 6
78 79
7
80
99
96
8 9
88
87
86
85
84
83
82
81
97
95
94
93
92
91
90
89
77 76 75 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
100
16
62
98
14
64
15 13 12
BYTE
CNVSS
VCC1
VSS1
XIN
XOUT
~RESET
IRABUS
FLOSDDA
FLOSDCL
OSDCS
FLCS1
REMIN
VDDA
VDCL
VSYNC
PURE-A
232RX
232TX
MAININ
LEDGRE
LEDRED
RZV1
RZV5
RZV4
RZV3
RZV2
VBJ
VAJ
SU
BR
EQ
MAINSCK
MAINSO
SUBSO
TXD1
RTS1
CLK1
RXD1
HPDET
VCC2
VSS2
MAINREQ
SUBPOFF
VDST
RZCD
RZPH
RZFM
RZAM
RZT1
STBY
PURE
UPSPL
RZDVD
RI
AREA2 AREA1
AVCC
AVSS
VREF
SYNC
ISS
FLRES
K3
K2
K1
K0
NTSC
12V
RDS
Q7534
UPSPL
D7533
Q7533
STBY
D7538
Q7548
PRE-L
D7521
DVD
D7522
V1
D7525
V4
D7526
V5
D7527
T1
D7529
AM
D7530
FM
D7531
PH
D7532
CD
Q7539
Q7538
Q7532
Q7521
Q7522
Q7525
Q7526
Q7527
Q7529
Q7530
Q7531
RZDVD
RZV1
RZV4
RZV5
RZT1 RZAM
RZFM
RZPH
RZCD
+B
+B
OSDDATA
SW4
SW3
SW2
SW1
RST
OSDSCK
OSDCS
VSYNCOUT
XTALOUT2
XTALIN2
HSYNCOUT
XTALOUT1
XTALIN1
Vss
Q2001
LC74761-9189
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
U7201
PIC-26043TH
P202
IR-IN
IR-OUT
Q211
PC817X
+B
Q221,Q222
GATE
CIRCUIT
12V
TRIGGER
Q2005
VIDEO SELECTOR
SW TC9273
X7201
16MHz
Q7701
MAIN
MAICROPROCESSOR
RI
IN/OUT
INITIALIZING
29
SYNCDET
Y SIGNAL
DETECTOR
CIRCUIT
INITIALIZING
INITIALIZING
SYSOUT
+B
D7536
+B
Q7548
PRE-DOWN
D7537
Q7546
TUNDOWN
D7535
Q7547
TUNUP
TUNDOWN TUNUP PRE-L PRE-R