Onkyo TX-SR701 Service Manual page 56

A
MAIN MICROPROCESSOR
CONNECTION DIAGRAM
1
12V TRIGGER
ZONE 2
2
5V
GND
3
0 1
3 0 B Y G C - J 0 3 - 8 E U
4
GND
+5V
O U T P U T
V O L T A G E
D E T .
Q6601
GATE
5
03 2ND DSP Q 1 1 3 , 4
A D C
86344BPFV
C S 5 3 3 3
X/OOS/BASS
NAGEMENT
D S P S D C
B
Y C S E P D A
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
I R I N
9 0
R D S C L K
8 9
P O F F
8 8
V S Y N C
8 7
S Y N C
8 6
R D S I D
8 5
R D S D A
8 4
S D E T
8 3
THRM
P 8 0 / A N I 8 8 2
P T O T E C T
8 1
I N T 4
8 0
I N T 3
INITIALIZING
7 9
I N T 2
7 8
I N T 1 INITIALIZING
7 7
S T E R E O
7 6
+5V
Q7003,Q7004
BUFFER
T H E R M O .
D E T .
RL5801
Q 5 8 0 1
Z O N E 2 R E L A Y
S W
Page 56
C
Q201~Q203
VIDEO
SELECTOR
SWITCH
NJM2595M
Q204
ON SCREEN
DEMODULATOR
LC74763
Q6701~3
ABNORMAL
VOLTAGE/
CURRENT
DETECTOR
Q7502 SUB
MICROPROCESSOR
UPD780233GC-068-8BT
RL5802 RL6603,4
Q 5 8 0 2
Q 6 6 0 2
F R O N T R E L A Y
C E N T E R / S B /
S W
S R S P R E L A Y
S W
TX-SR701/E
D
Q205
VIDEO
CONTROL
SWITCH
TC9164AF
Q7505
RESET
RL6901,RL6902
Q 6 9 0 1
P O W E R A M P
+ B S W
POWER
FAILURE
DET.
RDS
DECODER
(European Model only)
IR
DEMODULATOR
RI
INTERFACE
R 6 3 8 1 , Q 6 3 0 4
T H E R M A L D E T .
C I R C U I T
RL7701
Q 7 7 0 1
H P R E L A Y
S W
RL6600
RL6601
Q 6 6 0 1
Q 6 6 0 3
F R O N T S P
Z O N E 2 S P
R E L A Y
R E L A Y
S W
S W