Integra DTR-7.8 Service Manual page 12

A B
SCHEMATIC DIAGRAMS-1 (SD-1)
AUDIO SECTION
NAASP-9050(1/2)
1
R4001
330
L
CD
R
R4002
R4005
330
L
TAPE OUT
R
330
R4006
R4009
L
2
TAPE
R
330
R4010
C4087 R4017
102J 330
L
AUX1
R
R4018
R4021
L
GAME/TV
R
330
R4022
R4025
330
L
3
CBL/SAT
R
330
R4026
C4088 R4013
102J
47
L
VCR/DVR OUT
R
47
R4014
R4029
L
VCR/DVR IN
R
R4030
R4033
330
L
DVD
4
R
330
R4034
C4089 R4600
102J 330
L
FRONT
R
330
R4601
R4602
330
CENTER
SUB WOOFER
330
MULTI CH
R4603
INPUT 102J R4604
C4090 330
L
SURROUND
5
R
R4605
R4606
330
L
SURROUND
BACK
R
R4607
C
NAASP-9051
AMPLIFIER PC BOARD
U06
1K
R4077
22(1/2W)
C4019
5 NE5532 +14.4V
R4115
7
47/50
6
Q4001B
L
Q4001A
2
1
330 47/50
3 R
NE5532
C4020
R4116 -14.4V
R4041 R4043
R4045 22(1/2W)
220
10 100
1K
10 220 R4078
100
R4042 R4044 R4046
22(1/2W)
NE5532
C4023
5 Q4002B
R4117
7
330 47/50
6
NE5532
2
1
47/50
3
R4118
Q4002A
C4024
22(1/2W)
C4027
5 Q4011B
7
47/50
6
NE5532
NE5532
2
1
330 47/50 3
Q4011A
C4028
C4031
5
Q4012B
7
330 47/50
6
NE5532
NE5532
2
1
47/50 3
Q4012A
C4032
C4035
5
Q4013B
47/50 7
6
NE5532
NE5532
2
1
47/50
3
Q4013A
C4036
R4051 R4053 220
10 100 R4055
10 100 220
R4052 R4054 R4056
NE5532
C4039
5 Q4014B
330 7
47/50
6
2
+14.4V
1
330 47/50
3 Q4014A
NE5532
C4040
22(1/2W)
C4043
5 NE5532 R4119
7
47/50
6
Q4015B
Q4015A MCH_C
2 MCH_SW
1 MCH_SL
47/50
3 MCH_SR
22(1/2W)
NE5532 MCH_SBL
C4044
MCH_SBR
R4120
C4610 -14.4V
5 NE5532
7
47/50
6
Q4040B
Q4040A
2
1
40 MONO
47/50
3
NE5532 39 SUBL
C4611
38 SUBR
37 ADCR
C4612
5 NE5532
C4622 36 ADCL
7
47/50
35 FRIN2
6
47/50
34 FLIN2
33 SRIN2
Q4041B
32 SLIN2
Q4041A
31 SWIN2
2
30 CIN2
47/50
1
47/50 29 SBRIN2
3
C4623
223J 28 SBLIN2
NE5532
C4613
C4228 27
C4230 823J
C4614
5 NE5532
25
7 C4624
47/50 R4254
C4232
6 47/50 1.8K
474J
Q4042B
Q4042A
2
47/50
1
47/50
330 3
C4625
C4615 NE5532
C4616
5 NE5532
C4626
47/50 7
6 47/50
Q4043B
Q4043A
2
47/50
1
330 47/50 3
C4627
C4617 NE5532
D E
U07 PHONO PC BOARD
2SC2240-BL 2SC2240-BL +14.0V 100(1/2W)
R4089 R4091 NE5532 R4113
220 3.3K 3.3K
R4175 22/50 820
Q4023A
NE5532AP
C4067 R4099
5
C4101 3
C4175
7
152J 1
6 470K 47/50
Q4017
2
C4057 R4095 R4093 47/50
47/50 39K
6 6 Q4030A
Q4019 C4063
5 5 Q4030B
682J C4065
4 4 6
182J
3 3 7
47/50
2 2 5
Q4021
1 1
C4102
2SC2712
NE5532AP
NE5532AP
C4105
3
-14.0V C4107
9 9 1
47/50
8 8 UDZS5.6B GND 2
R4114
7 7 UDZS5.6B
100(1/2W) Q4031A
Q4031B
6
2SC2712
7
47/50
Q4022 5
C4108
C4106
2SC2240-BL
NE5532AP
682J 182J
C4064 C4066
C4058 39K
Q4020 470K
R4094
47/50
Q4018 R4096
2SC2240-BL
22/50 820
C4176 2 1
152J
3 R4100
C4068
R4176 Q4023B
R4092
220 NE5532
3.3K
+15V R4090
3.3K
80 25
79 26
78 S03 27
80 S04 -14.4V
77 NC 25 NC 28
79 NC VSS
26 COM3
76 S02 29
27 NC NC
75 NC 30
Q4029 CS1
74 S01 31
GND
73 NC 32
TC94A46CFG CK
72 NC 33
DATA
71 S01 34
ANALOG SW ARRAY
STB
70 NC 35
CS2
38 NC
69 S02 36
NC
39 COM3
68 NC 66 NC 37
40 NC VDD
67 S03 65 S04 38
+14.4V
66 39
65 40
R4256 10K
R4255 10K
65 Z2R
66 Z2L
67
Q4204 68
69
R2S15211FP
70
INL11/RECL5
71
SELECTOR
RECR3
65 INRB/RECR2 72
VOL, TONE RECL3
66 INLB/RECL2
73
FLIN1 +14.4V
2SC2120
67 INR10/RECR4 74
27 TRE_R FRIN1
+6.9V Q4291 47(1/2W)
68 INL10/RECL4 75
26 BASS_R2
CIN1
69 INR11/RECR5
76 Z3L R4291
25 BASS_R1 SWIN1
79 SBLIN1
77 Z3R
SLIN1
80 SBRIN1 78
SRIN1
79
80
47(1/2W)
R4292
-14.4V
Q4292
-6.9V
2SA950
F G
C4103
47/50
C4104
NE5532AP
R4161
R4159 10K
2
1 C4111
47/50 10K
3 47/50 R4163
220K
Q4032:A
5 Q4032:B R4164
47/50 220K
7
47/50 R4160
6
C4112
10K 10K
R4162
NE5532AP
-14.4V
-15VCD R4169 47K
R4166 R4124
C4120
+14.4V
100 47/50 2.2K
R4171 R4170
100K
100
R4165 C4119 R4123
100 47/50 2.2K
SELCLK
SELSDO
SELSTB
MCH_C
MCH_SW
MCH_SL
MCH_SR
MCH_SBL
MCH_SBR
TAPEOUTL
TAPEOUTR
VIDEOOUTL
VIDEOOUTR
Z2VOLSDO
Z2VOLCLK
VIDEO5L
VIDEO5R
NAASP-9080
U32 AMPLIFIER PC BOARD
1 1
2 2
3 3
4 4
5 5 C4201
6 6 3 NE5532AP
C4203
7 7 1
47/50
-14.4V
8 8 2
47/50
22(1/2W)
Q4201:A
R4128
Q4201:B
6
47/50
7
47/50
5
C4204
NE5532AP
C4202
C4205
3 NE5532AP
22(1/2W)
C4207
1
R4127 47/50
2 47/50
+14.4V
Q4202:A
Q4202:B
6
47/50
7
47/50
5
C4208
C4206
NE5532AP
R4257 220K
R4258
220K
C4224 R4244 R4246 R4248 R4252 C4243
220 Q4214
47/50 100 10 47
102J
Q4216
RN1441 RN1441
47/50 R4235
R4231 R4233 R4239
Q4209
C4219 220 100 10 47
Q4211
RN1441 RN1441
RN1441 RN1441
Q4212
47/50 220 Q4210 100 10 47
C4220 R4232 R4234 R4236 R4240
C4223 R4243 R4245 R4247 R4251
220 100 10 47
47/50
Q4215
Q4213
1 1
RN1441 RN1441
2 2
3 3
4 4
C4215 R4219 R4221 R4223
5 5 R4227
6 6 Q4207 47
47/50 220 100 10
7 7
8 8 Q4205
RN1441
9 9 RN1441
10 10 RN1441 RN1441
11 11
12 12 Q4206
47/50 220 100 10 47
13 13 Q4208
C4216 R4220 R4222 R4224 R4228
DTR-7.8
H
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
MainAL
MainAR
MainBL
MainBR
BTLL
BTLR
TUMUTE
R4122
TU_R
0
Q4025
RN1441
RN1441
Q4026
R4121 TU_L
0 XM_R
XM_L
SR_R
SR_L
+14.4V
R4209 C4209
5
7 C4211
10K 47/50
6
47/50
Q4203A
R4210 NE5532
10K
R4211
NE5532
10K
Q4203B
2
C4212
1
R4212 C4210
3
47/50
10K 47/50
-14.4V
ZONE2 & ZONE3 SW
+15V
-15V
PZ2L
PZ2R
GND
Z3MUTE
Z2MUTE
P4008
SW
ZONE 3 PRE OUT/LINE OUT
L
R
SW
ZONE 2 PRE OUT/LINE OUT
L
R