DTR-7.4
MAIN MICROPROCESSOR-CONNECTION DIAGRAM
4
5
6
7
8
9
77
76
75
74
73
72
CNVSS
BYTE
AMUT
Z2MUT
HPMUT
Z2LMUT
TNCL
DSPCL
DSPDA
DSP2HDOUT
DIRINT1
DIRINT0
~TNCS2
VPOWER
12VTRIGB
12VTRIGA
12VTRIGZ
SPRLZ2
MAL
IT
Shows a left channel only.
1
2
3
78
79
80
99
96
88
87
86
85
84
83
82
81
97
95
94
93
92
91
90
89
100
98
Q4200
FRONT CHANNEL
ELECTRONIC
VOLUME
TC94A07F
Q4203
SURROUND BACK
CHANNEL
ELECTRONIC
VOLUME
TC94A07F
Q4202 ZONE 2/
SURROUND CHANNEL
ELECTRONIC
VOLUME
TC94A07F
Q4201
CENTER/SUBWOOFER
CHANNELS
ELECTRONIC
VOLUME
TC94A07F
Q4100
SURROUND
SELECTOR
SWITCH
TC9163AF
Q4101
SURROUND
SELECTOR
SWITCH
TC9164AF
Q3300
SOURCE
SELECTOR
SWITCH
TC9274AN-008
Q3100
SOURCE
SELECTOR
SWITCH
TC9273F-017
TUNER
PACK
Q605
D/A
CONVERTER
WM8716
DSP1HDOUT
VCC
VREF
VOLH
VSS
DSP1GP10
DSP1GP9
CDTO
VLSTB
VPDA
VPCL
AFCL
AFDA
AFSTB
~STEREO
~SD
TUMUT
PLLCE
APOWER
SPRLF
Q2911 12V
TRIGGER SW
Q223 12V
TRIGGER SW
Q221 12V
TRIGGER SW
Q921
POWER
RELAY
SW
Q231
F/C CH
SP
RELAY SW
Q232
SB/ZONE 2
SP
RELAY SW
POWER AMP.
MIX OUTPUT
Q4600
RN1441
Q4610
RN1441
Q4605
RN1441
Q4615
RN1441
Q4812
RN1441
Q4814
RN1441
Q3412
RN1441
Q3410
RN1441
Q6901
+/-B
RELAY
SW
RL6901
RL6902
RL6600
RL6602
RL6603
RL6605
Q2901
VIDEO B
RELAY SW
RL6603
ZONE 2
LINE OUT
SURROUND
BACK PRE
OUTPUT
HP
TERMINAL
LEFT CH.
PRE
OUTPUT
Q4602
RN1441
Q4612
RN1441
CENTER/SUB
WOOFER PRE
OUTPUT
Shows a left channel only.
Q4603
RN1441
Q4613
RN1441
SURROUND
LEFT CH.
PRE
OUTPUT
T
Q6701,Q6702
VOLTAGE
DETECTOR
RL901
ZONE2
A
B
12V TRIGGER
OUTPUT
A
1
2
3
4
5
B
C
D