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A
QQ
3 7 63 1515 0
MICROPROCESSOR-CONNECTION DIAGRAM
1
S7501,S7502
VOLUME
ER
ROL
2
FROM POWER
AMP. OUTPUT
THERMAL
~SYSOUT
RDSSIG
RDSDAT
~IRABUS/~RDSCLK
~IRIN
SYSIN
BAND
INIT1
INIT2
INIT3
INIT4
TE
L 13942296513
INIT5
INIT6
INIT7
3
Vss
VPOWER
Vcc2
627FHPGP
~FANH
~FANCTR
SBZ2MUT
Z2LPMUT
SPRLSB
SPRLZ2
SPRLCS
SPRLF
APOWER
AMUT
TUMUT
~SD
~STEREO
PLLCLK
~PLLSDI
PLLSDO
PLLCE
VLTNDAT
VLTNCLK
VLTNSTB
4
www
5
Q305 REC
Q421 ZONE 2
VOLUME
SELECTOR
TC9162
TONE BD3814
.
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B
<--
102
-->
101
<--
100
Q703
<--
99
BUFFER
<--
98
<--
97
<--
96
<--
95
<--
94
<--
93
<--
92
INITIALIZING
<--
IR
91
<--
90
<--
DEMODULATOR
89
<--
88
<--
87
-->
86
<--
85
-->
84
-->
83
-->
82
-->
81
-->
80
-->
79
IR-56K
-->
78
-->
77
DEMODULATOR
-->
76
-->
75
-->
74
<--
73
TUNER
<--
72
-->
71
<--
PACK
70
-->
69
-->
68
-->
67
-->
66
-->
65
RL901
POWER SW RELAY
Q921
16
16
Q653
Q654
x
ao
y
2CH
2CH
ADC
ADC
i
CS5333
CS5333
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8
RL7701
HP
RELAY
-
+
Q7701
Q6703
CURRENT
Q6901
GATE
DET.
BIAS
CIRCUIT
SELECT SW
Q6701,2
DC DET.
R6380,1
THERMO DET
RI IN/OUT
IR IN
Q Q
Q991
3
6 7
1 3
56K IR OUT
Q302 SOURCE
SELECTOR/VOLUME
TONE
NJW1157
SPRLSB
SPRLZ2
SPRLCS
u163
SPRLF
.
C
2 9
9 4
2 8
Q7583
Q7582
Q403
RL6901
RL6902
Q405
PURE AUDIO
POWER
Q407
SUPPLY
Q907
PURE AUDIO
+B SW
FAN DRIVE
CIRCUIT
Q411
Q413
FAN CIRCUIT
1 5
0 5
8
2 9
9 4
SWITCH
Q992
Q415
Q427
Q429
Q431
Q6603
Q6604
m
Q6602
co
Q6601
DTR-5.5
D
9 9
Q7581
MUTING
SWITCH
Q401
Q402
FL
Q404
FR
SL
Q406
SR
Q408
Q409
SBL
Q410
SBR
Q412
CT
2 8
9 9
Q414
Q416
SW
ZONE2
PREOUT
ZONE2
SW
Q432
RL6805
RL6807
RL6602,RL6803
RL6600
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