Onkyo TX-DS797 Service Manual page 12

MAIN MICROPROCESSOR CONNECTION DIAGRAM 2
D 6 6 0 3
R L 6 6 0 3
+ B
L S S P
R S S P
D 6 6 0 0
L S B S P
1
R S B S P
P 6 8 1 0 D R L 6 6 0 0
L S P
R S P
C S P
+ B
R L 9 0 1
T o
M A I N
P O W E R
T R A N S .
Q 2 3 1
S P E A K E R
+ B
R E L A Y S W
D 9 2 5
Q 9 2 1
P O W E R
R E L A Y S W
2
T U N E R
P A C K
Q 1 8 1
R D S D E C O D E R
R D S S I G
B U 1 9 2 3 F
A M U T 1
8 1
Z 2 L M U T
8 2
Z 2 M U T 1
8 3
V P C L
8 4
8 5 V P D A T A
V S T B
8 6
T 2 S T B
8 7
3
8 8 T 1 S T B
8 9 T D A T A
9 0 T C L
I S T B
9 1
F D A T A
9 2
F C L
9 3
H P M U T
9 4
P 1 0 1 / A N 1
9 5
L E V E L
A V S S
9 6
D E T . o f
V O L H
9 7
P O W E R
V R E F
9 8
A M P .
A V C C
9 9
1 0 0
Q 7 7 0 2
S Y S T E M
R E S E T
4
+ B
T o P R E O U T
Q 4 2 1 2 S U R
P R E A M P .
5
T o P R E O U T
M U T E
S W
Q 4 4 2 1 S W
P R E A M P .
T o P R E O U T
M U T E
S W
A
Q 2 9 1 0 , 1 1
1 2 V
T R I G G E R T E R M I N A L S
C O N T R O L
Q 2 2 3 , 2 2 4
1 2 V
T R I G G E R
C O N T R O L
Q 2 2 1 , 2 2 2
1 2 V
T R I G G E R
C O N T R O L
Q 2 3 2
S P E A K E R
R E L A Y S W
Q 7 7 0 1
M 3 0 6 2 4 M G A - 3 5 8 F P 8 9 8
X 7 7 0 1
C S T C V 1 6 . 0
M X J 0 C
P R O T E C T I O N
C I R C U I T D E T .
F O R D C / C U R R E N T
P O W E R
F A I L U R E
D E T E C T I O N
T H E R M A L
D E T E C T I O N
C I R C U I T
R L 6 9 0 1 , 2
B I A S V O L T A G E
S E L E C T O R
R E L A Y S
Q 6 9 0 1
B I A S S E L
T o P R E O U T R E L A Y S W
B
T o B U S
1 2 V
T R I G G E R
B
1 2 V
T R I G G E R
A
D S P C S 2
5 0
D S P R S T 2
4 9
A 1 7 1
4 8
A 1 6 1
4 7
V C C P U P
4 6
A 1 5 1
4 5
F M E M / S R A M 1 4 4
D S P C S 1
4 3
D S P R S T 1
4 2
P 5 5 / ~ H O L D
4 1
D I R P D
4 0
D I R C S
3 9
M A I N R E Q
3 8
M A I N C L
3 7
S U B S O
3 6
M A I N S O
3 5
S U B R E Q
3 4
S U B P O F F 3 3
S U B R E S
3 2
R E S 1 3 1
C
Q 1 0 3
1 8
A D / D A C O N V E R T E R
A K 4 5 2 8 V F
1 9
8
Q 8 0 1
D A C O N V E R T E R
2 1
A K 4 5 3 6 V Q
4 0
1
Q 7 1 2
2
R A M
2 2
1 2
1 2
4 0
1
2
2 2
8 0
3 7
3 5
Q 7 2 0 1
3 6
S U B M I C R O P R O C E S S O R
3 8
7 9
1 2
1 8
Q 7 1 1
3 6
P O S T P R O C E S S I N G
7
( T H X C I N E M A ,
T H X S U R R O U N D E X )
6
C S 4 9 3 0 0 2
1 9
2 0
1 8
3 6
Q 7 0 1
7 D E C O R D I N G
( A C - 3 , D T S , D T S
6
E S , P L I I , N E O 6 )
1 9
C S 4 9 3 0 0 2
2 0
3 1
3 5
Q 1 0 4
3 2
D I R
1 9 A K 4 1 1 4
2 6
3 7
3 6
TX-DS797
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