Microprocessor Connection Diagram - Onkyo R-805TX Service Manual

QQ
3 7 6 3 1 5 1 5 0
MICROPROCESSOR-CONNECTION DIAGRAM
T E
L 1 3 9 4 2 2 9 6 5 1 3
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POWER
AMP. SW
CIRCUIT
Q405
VOLUME
M
MOTOR
DRIVER
TA7291S
P6
65
P7
66
P8
Q703
67
P9
FL TUBE
68
P10
69
P11
70
Vload
71
P12
72
P13
73
P14
74
P15
75
P16
76
P17
77
1G
78
2G
79
3G
80
x a o u 1 6 3
y
AUDIO MUTE
Q301
i
SOURCE SELECTOR
SWITCH TC9273N
Q915
AC OUTLET
SWITCH
8 9
POWERSTOPPAGE
Q781
RDS DECODER
BU1923
Q705
BUFFER
CD
Q Q
40
3 7 6 3 1 5
MD
39
TAPE
38
AM
37
FM
36
35
34
GND
33
XT2
32
XT1
31
+5V
30
+5V
29
28
27
AREA
26
SIGNAL
25
SWITCH
CIRCUIT
c o
.
Q702
SYSTEM
RESET
2 4 2
9 8
DETECTOR
TERMINAL
RI
Q704
REMOTE
SENSOR
S709
INPUT SW
+B
1 5 0 8 9 2 4 9 8
X2
X701
X1
X'TAL
K0
DISPLAY P-UP
K1
INITIALIZING
FM MODE P.DOWN ACOUSTIC
m
TUNER
UNIT
Q471
TONE CONTROL
TC9184AP
R-805TX
9 9
2 9 9
ECO MEMORY
POWER