Integra DTR-7.6 Service Manual page 117

A
MICROPROCESSOR-CONNECTION DIAGRAM
1
3
+5V
Q7506
2
+5V
102 LEDSTBY
P11/D9
101
P12/D10
LEDPURE
100
P13/D11
P14/D12 99 SYSOUT
98
13/INT3 RDSCLK/POFF2
97 IRIN
14/INT4
96 SYSIN
15/INT5
95 RDSSIG
0(/D0/-)
94 RDSDAT
/D1/D0)
93 FSWSDO
/D2/D1)
/D3/D2) 92 FSWCLK
3
/D4/D3) 91 FSWSTB
90 PROTECT
/D5/D4)
89 THERMAL
/D6/D5)
/D7/D6) 88 VOLH
87
VSS
86 SEC1H
A8(/-/D7)
85
P120 84 TRGZ2
P121 83 TRGB
P122 82 TRGA
P123 81 FANCTRL
P124 80 FANH
P31/A09
79 APOWER
P32/A10 VPOWER
78
P33/A11 77
P34/A12 76
P35/A13
75 DSPBUSY
P36/A14
74 DIGCLK
P37/A15 73 DIGSDI
72 DIGSDO
71 SPRLZ2
P41/A17
P42/A18 70 SPRLSB
P43/A19 69 SPRLCS
68 SPRLF
67 AMUTM
4
66 SBZ2MUTM
65 Z2MUTM
NAAR-8661
5
Q3003
VOLUME,TONE,
Q3009
SELECTOR
ZONE 2
NJW1157
VOLUME
NAAF-8678
B
NAETC-
8687
S7591
VOLUME
NAETC-
NAETC-
8685
8684
P7601
MIC.
+5V
Q703
BUFFER
BIAS SELECT RELAY
FAN CONTROLLER
NAPS-8665
GATE
CIRCUIT
PREOUT.
MUTING SWITCH
TRANSISTORS
C
P7602
PHONES
NAETC-8680
Q6380
THERMAL
DETECTOR
LM61C1Z
FAN
Q912
POWER
RELAY
SW
FRONT CENTER
SPEAKER
SPEAKER
RELAY
RELAY
NAETC-8666/8667
NAPS-8665
D5508
U5501 IRLED
12V
TRIGGER
CONTROL
CIRCUIT
NADG-8660
RI
TERMINAL
Q3002
RECORDING
OUTPUT SW
NAAF-8678
CURRENT/
VOLTAGE
DETECTION
POWER AMP.
LEVEL DET.
Q361
DIR
CS42528
Q201
DSP
CS494003
NADG-8660
NAPS-8664
RL902
POWER
RELAY
SURROUND
SURROUND
BACK
SPEAKER SPEAKER
RELAY RELAY
DTR-7.6
D
IRIN
IROUT
12VTRG C
12VTRG B
12VTRG A
ZONE2
SPEAKER
RELAY