Onkyo TX-NR906 Service Manual page 9

A B
SCHEMATIC DIAGRAMS-1 (SD-1)
AUDIO SECTION-1
NAASP-9050(1/2)
TX-NA906 Only
R4103
L
1
TUNER
R
R4104
R4001
L
CD
R
R4002
R4005
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
CBL/SAT
3
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
U06 AMPLIFIER PC BOARD
330 47/50 NE5532
C4075
5
7
6
Q4016:B
1K
Q4016:A R4077
2
1
330 47/50
3
NE5532
C4076
22(1/2W)
C4019
5 NE5532 +14.4V
R4115
7
330 47/50
6
Q4001:B
L
Q4001:A
2
1
47/50
330 3
R
NE5532
C4020
R4116 -14.4V
R4041 R4043
R4045 22(1/2W)
220
330 10 100
1K
10 100 220 R4078
R4042 R4044
R4046
22(1/2W)
NE5532
C4023
5
Q4002:B R4117
7
330 47/50
6
NE5532
2
1
47/50
3
Q4002:A R4118
C4024
22(1/2W)
C4027
5
Q4011:B
7
47/50
6
NE5532
NE5532
2
1
330 47/50
3
Q4011:A
C4028
C4031
5 Q4012B
7
330 47/50
6
NE5532
NE5532
2
1
47/50
3
Q4012:A
C4032
C4035
5 Q4013:B
7
47/50
6
NE5532
NE5532
2
1
47/50
3
Q4013:A
C4036
R4051 R4053
220
100
10 R4055
10 100 220
R4052 R4054 R4056
NE5532
C4039
5 Q4014:B
7
330 47/50
6
2 +14.4V
1
330 47/50
3
Q4014:A
C4040 NE5532
22(1/2W)
C4043
5 NE5532
R4119
7
47/50
6
Q4015:B
Q4015:A MCH_C
2 MCH_SW
1 MCH_SL
47/50
3 MCH_SR
22(1/2W)
NE5532
C4044 MCH_SBL
MCH_SBR
R4120
C4610 -14.4V
5 NE5532
7
47/50
6
Q4040:B
Q4040:A
2
1
47/50 40 MONO
3
39 SUBL
NE5532
C4611
38 SUBR
C4612 37 ADCR
5 NE5532
C4622 36 ADCL
47/50 7
35 FRIN2
6
47/50 34 FLIN2
33 SRIN2
Q4041:B
32 SLIN2
Q4041:A
31 SWIN2
2
47/50 30 CIN2
1
47/50 29 SBRIN2
3
C4623
223J 28 SBLIN2
NE5532
C4613 C4228 27
C4614 C4230 823J
5
NE5532
25
C4624
7 R4254
47/50
C4232
6 1.8K
47/50 474J
Q4042:B
Q4042:A
2
1 47/50
330 47/50
3 C4625
C4615 NE5532
C4616 5 NE5532
C4626
47/50 7
6
47/50
Q4043:B
Q4043:A
2
47/50
1
330 47/50
3
C4627
NE5532
C4617
TO NALAN-9121(SD-27:G2)
D E
U07 PHONO PC BOARD
2SC2240-BL 2SC2240-BL 100(1/2W)
+14.0V
R4089 R4091 NE5532
R4113
220 3.3K
3.3K
22/50 820
R4175 Q4023:A
NE5532AP
C4067 R4099
5
C4101
3
C4175
7
152J
47/50
Q4017 6 470K
2
C4057 R4095 R4093
47/50 39K
6 6 Q4030:A
Q4019 C4063
5 5 Q4030:B
C4065
682J
4 4 6
182J
3 3
47/50
2 2 5
Q4021
1 1
C4102
2SC2712 NE5532AP
NE5532AP
C4105
3
-14.0V
9
9 47/50
8 8 UDZS5.6B GND 2
R4114
7 7 UDZS5.6B
100(1/2W) Q4031:A
Q4031:B
6
2SC2712
Q4022 47/50 5
C4106
2SC2240-BL
NE5532AP
682J 182J
C4064
C4066
C4058 Q4020 470K 39K
R4094
47/50 Q4018
R4096
2SC2240-BL
2 1 22/50 820
C4176
152J
3
C4068 R4100
Q4023:B
R4176
220 R4092 NE5532
3.3K
+15V
R4090
3.3K
80 25
79 26
78 S03 27
80 S04 -14.4V
25 NC
77 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 Switch Array
STB
70 NC 35
CS2
38 NC
69 S02 36
39 COM3 NC
68 NC 37
66 NC
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
RECL3
Volume, Tone
66 INLB/RECL2 73
FLIN1 +14.4V
2SC2120
67 INR10/RECR4 74
27 TRE_R FRIN1 Q4291
68 INL10/RECL4 +6.9V 47(1/2W)
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
Q4292
-6.9V
2SA950
P202B
www.audiodna.sk
F G
C4103
1
47/50
47/50
7
C4104
R4161
NE5532AP
1 C4107 R4159 10K 2
C4111
1
47/50 10K
3 R4163
47/50
Q4032:A 220K
5 Q4032:B R4164
47/50 220K
7
47/50 R4160
7 6
C4112
C4108 10K 10K
NE5532AP
R4162
-14.4V
-15VCD
R4169
R4166 47/50 47K
+14.4V
100 C4120 R4124
2.2K
R4171 R4170
100K
100
R4165
C4119 2.2K
100 R4123
47/50
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
7 7 C4203
47/50 1
-14.4V
8 8 2
47/50
22(1/2W)
Q4201:A
R4128
Q4201:B
6
47/50
7
47/50
5
C4204
C4202 NE5532AP
C4205
3 NE5532AP
22(1/2W)
C4207
R4127 47/50 1
2
47/50
+14.4V
Q4202:A
Q4202:B
6
7 47/50
47/50
5 C4208
C4206
NE5532AP
R4257 220K
220K
R4258
102J
C4243
47/50 R4231 R4233 R4235 R4239
Q4209
C4219 220 100 10 47
Q4211
RN1441 RN1441
RN1441 RN1441
Q4212
47/50 220 100 10 47
Q4210
C4220 R4232 R4234 R4236 R4240
1 1
2 2
3 3
-14.4V 4 4
47/50 R4219 R4221 R4223 R4227
5 5
6 6 Q4207
C4215 220 100 10 47
7 7 Q4205
8 8
9 9 RN1441 RN1441
10 10 RN1441 RN1441
11 11
12 12 Q4206
47/50 220 100 10 47
13 13 Q4208
C4216 R4220 R4222 R4224 R4228
TX-NR906/NA906
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
TX-NR906 Only
TUMUTE
R4122 TU_R
0
Q4025
RN1441
RN1441
Q4026
0 TU_L
R4121 XM_R
XM_L
SR_R
SR_L
+15V
-15V
PZ2L
PZ2R
GND
Z3MUTE
Z2MUTE
P4008
L
ZONE 3 PRE OUT/LINE OUT
R
L
ZONE 2 PRE OUT/LINE OUT
R