Onkyo TX-SR600/E Service Manual page 39

A
MAIN MICROPROCESSOR
Connection diagram
1
CH
2
5V
GND
3
Q 7 0 0 1
7 0 3 0 3 3 A G C - 1 7 4 - 8 E U
4
GND
+5V
NC
NC
5
Q702
O U T P U T
FLASH ROM
V O L T A G E
MX27L4000
D E T .
B
P R O T E C T
1 0 0
S U B R S T
9 9
2 3 2 T X D
9 8
2 3 2 R X D
9 7
S U B C L K
9 6
S U B S D O
9 5
S U B S D I
9 4
S U B R D Y
9 3
S E C 1 H
9 2
I R Z 2
9 1
R E M I N
9 0
R D S S C K
8 9
P O F F
8 8
V S Y N C 1
8 7
S Y N C D E T
8 6
R D S S I G
8 5
R D S D A
8 4
S D E T
8 3
+5V
P 8 0 / A N I 8 8 2
A R E A 2
8 1
INITIALIZING
A R E A 1
8 0
P A L _ E N
7 9
INITIALIZING
R D S _ E N
7 8
S D
7 7
S T E R E O
7 6
+5V
Q7003,Q7004
BUFFER
T H E R M O .
D E T .
C
M O N I T O R
P 2 0 1
C
M O N I T O R
Q 2 0 1
C S 1
Q 2 0 2
C S 2
2210
ON SCREEN
DEMODULATOR
LC74763
OVER
VOLTAGE
CURRENT
DETECTION
Q7502 SUB
MICROPROCESSOR
UPD780233GC-068-8BT
RL6653,RL6654
Q 6 6 0 2
C E N T E R / S B
S R R E L A Y
S W
TX-SR700/E
D
R 2 0 5 4
Q 2 5 1
Y
S S 1
S S 2
Q 2 5 2
Q 2 0 4 1
S S 4
Q 2 5 3
S S 5
Q 2 5 4
VIDEO
SELECTOR
SWITCH
BA7625
RL6901,RL6902
Q 6 9 0 2
P O W E R A M P
+ B S W
POWER
FAILURE
DET.
RDS
DECODER
(European Model only)
RL7701
Q 7 7 0 1
H P R E L A Y
S W
RL6650
RL6651
Q 6 6 0 1
Q 6 6 0 3
F R O N T R E L A Y
S P B R E L A Y
S W
S W