Onkyo TX-SR602 Service Manual page 71

A
MICROPROCESSOR-CONNECTION DIAGRAM
1
S7501,S7502
VOLUME
FROM POWER
2
AMP. OUTPUT
THERMAL <--
102
~SYSOUT -->
101
RDSSIG <--
100
RDSDAT <--
99
~IRABUS/~RDSCLK <--
98
~IRIN <--
97
SYSIN <--
96
BAND <--
95
INIT1 <--
94
INIT2 <--
93
INIT3 <--
92
INIT4 <--
91
INIT5 <--
90
INIT6 <--
89
INIT7 <--
88
<--
Vss 87
3
VPOWER -->
86
Vcc2 <--
85
27FHPGP ~FANH -->
84
~FANCTR -->
83
SBZ2MUT -->
82
Z2LPMUT -->
81
SPRLSB -->
80
SPRLZ2 -->
79
SPRLCS -->
78
SPRLF -->
77
APOWER -->
76
AMUT -->
75
TUMUT -->
74
~SD <--
73
~STEREO <--
72
PLLCLK -->
71
~PLLSDI <--
70
PLLSDO -->
69
PLLCE -->
68
VLTNDAT -->
67
VLTNCLK -->
66
VLTNSTB -->
65
4
5
Q421 ZONE 2
Q305 REC
VOLUME
SELECTOR
TC9162 TONE BD3814
B
RL7701
HP
RELAY
-
Q6703
GATE
CIRCUIT
Q6701,2
DC DET.
European model
Q710 RDS Q703
DECODER BU1924 BUFFER
INITIALIZING
TUNER
PACK
RL901
POWER SW RELAY
Q921
16
16
Q653 Q654
2CH
2CH
ADC ADC
CS5333 CS5333
C
+
Q7701
Q7584
Q6901
CURRENT
BIAS
DET.
SELECT SW
R6380,1
THERMO DET
RI IN/OUT
Q302 SOURCE
SELECTOR/VOLUME
TONE
NJW1157
SPRLSB
SPRLZ2
SPRLCS
SPRLF
TX-SR602/E
D
Q7583
Q7582
Q7581
MUTING
SWITCH
Q401
Q402
Q403
Q404
RL6901
RL6902
Q405
Q407 Q408
Q409
Q411
Q412
Q413
Q415
ZONE2
PREOUT
Q427
Q429
ZONE2
SW
Q431
Q432
RL6805
Q6603
RL6807
Q6604
RL6602,RL6803
Q6602
RL6600
Q6601
FL
FR
SL
Q406
SR
SBL
Q410
SBR
CT
Q414
Q416
SW