Integra DTR-7.8 Service Manual page 11

E
QQ
3 7 63 1515 0
O PC BOARD
100(1/2W)
+14.0V
R4113
22/50 820
C4067
R4099
C4101
47/50
4093
39K
6 6
5 5
J C4065
4 4
182J
3 3
47/50
2 2
1 1
C4102
C4105
-14.0V
47/50
GND
R4114
100(1/2W)
47/50
C4106
J 182J
4
C4066
39K
R4094
22/50
820
C4068 R4100
TE
L 13942296513
25
26
27
-14.4V
25 NC 28
VSS
26 COM3
29
27 NC NC
30
CS1
31
GND
32
CK
33
DATA
34
RAY
STB
35
CS2
38 NC
36
NC
39 COM3
37
VDD
40 NC
38
+14.4V
39
40
Z2R
65
66 Z2L
67
68
69
70
1/RECL5
71
RECR3
72
RECL3
73
FLIN1
2SC2120
74
FRIN1 Q4291
+6.9V
75
CIN1
76 Z3L
SWIN1
77 Z3R
SLIN1
78
SRIN1
79
80
www
Q4292
-6.9V
2SA950
F
NE5532AP
3
C4103
1
2
47/50
Q4030A
Q4030B
6
47/50
7
5
C4104
NE5532AP
NE5532AP
3
C4107
1
2
47/50
Q4031A
Q4031B
6
47/50
7
5
C4108
NE5532AP
-14.4V
+14.4V
1
2
3
4
5
6
7
-14.4V
8
22(1/2W)
R4128
22(1/2W)
R4127
+14.4V
R4257
R4258
220K
+14.4V
47(1/2W)
R4291
1 1
x ao
2 2
47(1/2W) 3 3
R4292
-14.4V 4 4
5 5
6 6
. i
7 7
8 8
9 9
10 10
11 11
12 12
13 13
http://www.xiaoyu163.com
NE5532AP
R4161
R4159 10K
2
C4111
1
10K
3 R4163
47/50
220K
Q4032:A
5 Q4032:B
R4164
47/50
220K
7
R4160
6
C4112
10K 10K
R4162
NE5532AP
-15VCD
R4169 47K
R4166 R4124
C4120
100 47/50 2.2K
R4170
R4171
100K
100
R4165 C4119 R4123
100 47/50 2.2K
NAASP-9080
U32 AMPLIFIER PC BOARD
1
2
3
Q Q
4
3 6 7
5 C4201
6 NE5532AP
3
C4203
7 1
47/50
8
2
47/50
Q4201:A
Q4201:B
6
47/50
7
47/50
5
C4204
NE5532AP
C4202
C4205
3 NE5532AP
C4207
1
47/50
2
47/50
Q4202:A
Q4202:B
6
47/50
7
47/50
5
C4208
C4206
NE5532AP
220K
C4224
R4244 R4246 R4248 R4252
Q4214
220 100 10 47
47/50
Q4216
RN1441 RN1441
47/50 R4235
R4231 R4233 R4239
Q4209
47
C4219 220 100 10
Q4211
RN1441 RN1441
RN1441 RN1441
Q4212
47/50 220 100 10 47
Q4210
R4232 R4234 R4236 R4240
C4220
C4223 R4243 R4245 R4247 R4251
220 100 10 47
47/50
Q4215
Q4213
RN1441 RN1441
u163
y
C4215 R4219 R4221 R4223
R4227
Q4207
220 100 10 47
47/50
Q4205
RN1441 RN1441
RN1441 RN1441
Q4206
47/50 100
220 10 47
Q4208
R4220 R4222 R4224 R4228
C4216
http://www.xiaoyu163.com
G
2 9 9 4
8
<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
SELCLK
SELSDO
SELSTB
MCH_C
MCH_SW
MCH_SL
MCH_SR
MCH_SBL
MCH_SBR
TAPEOUTL
TAPEOUTR
VIDEOOUTL
VIDEOOUTR
Z2VOLSDO
Z2VOLCLK
VIDEO5L
VIDEO5R
+14.4V
1 3 1 5 0 5 8 2 9
C4209
R4209
5
C4211
7
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
C4243 P4008
102J
SW
ZONE 3 PRE OUT/LINE OUT
L
R
m
SW
co
ZONE 2 PRE OUT/LINE OUT
.
L
R
DTR-7.8
H
2 8
9 9
9 4 2 8 9 9