TX-SR703/E
MICROPROCESSOR-CONNECTION DIAGRAM
DSPBUSY
RDSCLK/POFF2
+5V
PROTECT
THERMAL
FSWSTB
FSWCLK
FSWSDO
VOLH
FANH
FANCTRL
TRGA
TRGB
TRGZ2
SEC1H
APOWER
AMUTM
SPRLF
SPRLCS
SBZ2MUTM
Z2MUTM
SPRLZ2
SPRLSB
DIGSDI
DIGCLK
DIGSDO
VPOWER
IRIN
RDSSIG
RDSDAT
SYSOUT
65
66
67
68
69
9
70
8
71
7
72
6
73
5
74
4
75
3
76
2
77
1
78
0
79
9
80
4
81
3
82
2
83
1
84
0
85
2
86
)
87
S
88
)
89
)
90
)
91
)
92
)
93
)
94
)
95
)
96
5
97
4
98
3
99
2
100
1
101
0
102
9
SYSIN
LEDPURE
LEDSTBY
Q703
BUFFER
ZONE2
Q7506
PURE
Q7508
STANDBY
S7591
VOLUME
P7601
MIC.
P7602
PHONES
IRIN
IROUT
D5508
IRLED
U5501
12VTRG Z2
12V
TRIGGER
CONTROL
CIRCUIT
Q3003
VOLUME,TONE,
SELECTOR
NJW1157
GATE
CIRCUIT
SPEAKER
RELAY
SPEAKER
RELAY
SPEAKER
RELAY
SPEAKER
RELAY
PREOUT.
MUTING SWITCH
TRANSISTORS
SPEAKER
RELAY
Q361
DIR
CS42528
Q201
DSP
CS494003
RL902
POWER
RELAY
Q912
POWER
RELAY
SW
FAN CONTROLLER
FAN
RI
TERMINAL
Q3002
RECORDING
OUTPUT SW
BIAS SELECT RELAY
POWER AMP.
LEVEL DET.
CURRENT/
VOLTAGE
DETECTION
THERMAL
DETECTOR
LM61C1Z
+5V
+5V
Q6380
NAETC-8680
NAAF-8678
NAAF-8678
NAETC-
8677
NAETC-
8662
NAETC-
8676
NAPS-8664
NAETC-8666/8667
NADG-8660
NAPS-8665
NAPS-8665
NADG-8660
NAAR-8661
ZONE2
SURROUND
BACK
SURROUND
CENTER
FRONT
A
1
2
3
4
5
B
C
D