Integra DTR-6.3 Service Manual page 38

A
PC BOARD-CONNECTION VIEW
1
F R O N T
V I D E O 4 I N
N A V D - 7 4 6 8
V 4 C
( S C H . - 3 )
G N D
V 4 - L
2
V 4 Y
V 4 E
G N D
V 4 - R
V - 4
U8 U8
F R O N T
V 4 D
G N D
O P T I N
+ 5 V
N A D G - 7 4 7 0
( S C H . - 3 )
U11 U11
Z 2 / A - B U S
N A E T C - 7 4 6 6
( S C H . - 7 )
3
U7 U7
- 7 V
A G N D
+ 7 V
Z 2 M U T
Z 2 R I N
A G N D
Z 2 L I N
A B U S I N
+ V
T 1 2 V Z
G N D
I R A B U S
1 2 A B U S
S T
+ 1 2 V
I A
D 1 G N D
G N D
T 1 2 V B
T 1 2 V A
G N D
4
J L 6 9 5 2 A
J L 6 9 5 1 A
P 6 0 8 0
P 6 3 0 1 P 6 0 8 1 P 6 0 8 2
5
B
U36 U36
T U N E R - U N I T
C N 1
P 1 0 1
V 4 - R
G N D
V 4 - L
U1 U1
+ 5 V D S P
G N D
P 1 0 7 B
P 1 0 7 A
- 7 V
A G N D
+ 7 V
Z 2 M U T
Z 2 R I N
A G N D
Z 2 L I N
A B U S I N
T 1 2 V Z
I R A B U S
1 2 A B U S
+ 1 2 V
D 1 G N D
T 1 2 V B
T 1 2 V A
P O W E R A M P 2
( F I N A L )
P 6 0 8 5 J L 6 4 0 2 P 6 9 0 3 A
P 6 0 8 3 P 6 0 8 4
J L 6 4 0 2 B P 6 9 0 3 B
U20 U20
T H E R M A L S E N S
N A E T C - 7 4 8 0
( S C H . - 5 )
C
U3 U3
J L 7 5 0 1 B
F L A S H W R I T E R
P 7 5 0 4 J L 7 5 0 1 A
D I S P L A Y
U2 U2
N A D I S - 7 4 6 1
( S C H . - 1 )
P 7 7 0 1 F L A S H W R I T E R
S E L E C T O R / V O L U M E / T O N E / D S P / M A I N C P U / B 2 , B 3 P O W
P 1 0 6 B
P 1 0 5 B
P 1 0 6 A P 1 0 5 A
U26 U26
M O T H E R
N A E T C - 7 4 8 6
( S C H . - 7 )
P 2 0 5 A
P 6 9 3 1 A J L 6 9 5 3 A
N A A F - 7 4 7 4
( S C H . - 5 )
P 6 0 1 1 B P 6 0 0 5 A P 6 0 0 4 A
P 6 0 1 1 A P 6 0 0 5 B P 6 0 0 4 B
P O W E R A M P 1
( P R E D R I V E R )
DTR-6.3
U4 U4
H E A D P H O N E
V O L U M E
N A E T C - 7 4 6 3
N A S W - 7 4 6 2
( S C H . - 3 )
( S C H . - 1 )
J L 7 5 0 2 B
J L 7 5 0 2 A
P 7 5 0 1 A
P 7 5 0 1 B
N A D G - 7 4 6 0
( S C H . - 2 )
U5 U5
V G N D V G N D
S Y N C D E T S Y N C D E T
V S Y N C V S Y N C
O S D C S O S D C S
O S D S D O S D S D
C O M P O S
O S D C K O S D C K
C O A X I N 1 C O A X I N 1
O P T O U T O P T O U T
+ 5 V D + 5 V D
O P T I N 1 O P T I N 1
D G G N D D G G N D
O P T I N 2 O P T I N 2
P 2 0 5 B
P 9 3 1 J L 6 8 0 3 A J L 6 8 0 4 A
P 6 0 0 2 A P 6 0 0 1 A
P 6 0 0 3 A
P 6 0 0 3 B P 6 0 0 2 B P 6 0 0 1 B
N A A F - 7 4 8 3
( S C H . - 4 )
U23 U23
P 6 9 0 3 B P 4 0 4 C
P 4 0 4 A
D
F
F
H
H
N A
( S
J L 6 8 0 5 A
U U 15
P 6 0 0 0 A
P 6 0 0 0 B