Onkyo DR-UN7, Service Manual

Page: 9 / 92

DR-UN7
SCHEMATIC DIAGRAMS-1
PRE-AMPLIFIER SECTION
CDR_RECL CDR_RECR
SBASS2 SBASS1
+10V
RDSCLK SD STEREO PLLSDO PLLCLK TUNER_L SIGNAL RDSD
A
T
A
TUNER_R
GNDMC
RI
AMUT
SWIN
+BSWC
GNDSWC
SWPRL
S
LINE_R
LINE_L
DVDREC_L
DVDREC_R
PRE_C
PRE_LS
FL- FR+ FR- FL+
PRE_R
PRE_L
TUNER_R
TUNER_L
MDPLAY_L
MDPLAY_R
GND
VD
FR- FL+ FR+ FL-
MDLOUT
PLLCLK
PLLSDO
STEREO
SD
SIGNAL
RDSDATA
RDSCLK
GNDMC
-12VA
+12VA
PRE_RS
PRE_SW
GNDXM
GNDXM
+V
GND
GNDXM
D-
D+
D
A
C_SW
D
A
C_SL
D
A
C_CT
D
A
C_FR
D
A
C_FL
AMUT
RECMUT
MDRIN
MDLIN
MDROUT
GND
GNDD
D
A
C_SR
XM_L
XM_R
GNDD
SELDAT
SELCLK
SELSTB
SBASS2
SBASS1
AMUT
SWIN
RI
SWPRL
+BSWCTRL
MDMUT
MDMMUT
PRER
GND
GND
PREL
GNDD
SELDAT
SELCLK
SELSTB
CDR_L
CDR_R
GND
GNDPS
GNDMDA
GNDMD
A
PREOUT
CENTER
SUBWOOFER
SURR L
SURR R
L
R
L
R
LINE / TV IN
IN
OUT
L
R
RI
SUBWOOFER
CONTROL
(1/2W)
(1/2W)
(1/2W)
TAPE / HDD
NADG-8692 (1/2)
MDD1N Only
MDD1N Only
MDD1N Only
NC
(1/2W)
Q4022
RN1441
C4012
C4063
1/50
+
R4011
220K
R4252
47K
C4252
221
R4028
270
Q4027
RN1441
R4212
12K
R4211
12K
R4210
10K
R4255
22K
R4254 4.7K
R4253
220K
C4253
330
R4248
0
R4247
0
R4246 NC R4245 NC
R4243
22K
R4242
10K
R4241
10K
C4202
NC
C4201
NC
R4209
10K
R4208
NC
R4207
NC
R4206
8.2K
R4205
8.2K
R4204
NC
R4202
27K
R4203
NC
R4201
27K
Q4024
RN1441
Q4028
RN1441
Q4023
RN1441
Q4026
RN1441
Q4025
RN1441
R4027
270
R4026
270
R4025
270
R4024
100
R4023
100
R4022
100
R4017
220K
R4018
220K
R4009
100
R4008
100
R4007
100
R4010
100
R4020
220K
R4019
220K
R4016
220K
R4015
220K
R4012
220K
R4003
2.2K
R4014
220K
R4013
220K
R4006
330
R4002
330
-8VA +8VA
+8VD
A
C
R7303
2.2K
R7304
RXE010
C4105 101
R4109 56K
Q4112
RN1441
C4106 101
C4101
NC
C4108
333J
C4110
333J
C4107
333J
C4109
333J
R4134
1K
R4116
4.7M
R4108
4.7M
R4107
4.7M
R4115
4.7M
C4103
NC
R4112
68K
R4111
68K
C4119
NC
C4120
NC
R4133
1K
R4104
100K
R4123
220K
R4124
220K
C4102
NC
R4106
68K
R4122
100K
R4121
100K
R4125 220K
R4101
1K
R4102
1K
R4120
2.2K
Q4104
RN1441
Q4106
RN1441
R4110
56K
R4118
1K
R4113
NC
R4103
100K
R4114
NC
Q4103
RN1441
C4104
NC
Q4105
RN1441
R4105
68K
R4119
2.2K
R4117
1K
Q4111
RN1441
+8VA
-8VA
+8VPR
+8VPR
-8VPR
R3031
NC
C3008
331J
C3007
331J
C3010
681
C3009
681
Q3003
NC
R3025
220K
R3026
220K
R3023
1K
R3024
1K
R3022
2.7K
R3019
4.7K
R3017
3.3K
R3029
NC
R3020
4.7K
R3018
3.3K
R3027
22K
R3028
22K
R3015
NC
R3016
NC
Q3004
NC
C3015
NC
C3012
NC
C3011
NC
-8VA
Q3005:B
NJM2100M
6
5
7
R3008
0
R3010
3.3K
R3009
3.3K
R3007
0
R3011
100K
R3012
100K
Q3002
RN1441
R3032
220K
C3002
2.2/50
+
R3005
100K
R3013
1.5K
R3006
100K
R3014 1.5K
C3005
220/6.3
+
R3030
150K
C3006
NC
C3001
2.2/50
+
Q3001
RN1441
+8VA
-8VMD
R4032
47
R4031
47
C4091 2.2/50
+
C4092 2.2/50
+
-8VPR
-8VMD
Q3005:A
NJM2100M
3
2
8
1
4
-8VMD
+8VMD
+8VMD
+8VMD
-8VMD
+8VMD
R1304 27K
R1313
1K
R1312
1K
R1302 2.2K
R1301 2.2K
R1303 27K
+3.3VDG +12VA
C4001
101
C4002
101
C4003
101
R4004
2.2K
C4004
101
C4005
101
C4006
101
C4007
101
C4008
101
C4009
101
C4010
101
C7304
104
L7301
BLM21B222
C7302
104 C7301 101
-8VPR
-8VPR
-8VD
A
C
+8VD
A
C
-8VD
A
C
+8VDAC
-8VDAC
R7301
470
R7305
NC
C3003
10/50
+
C3004
10/50
+
C4021
22/50
+
C4022
22/50
+
C4024
22/50
+
C4060 10/50
+
C4059
10/50
+
C4058 10/50
+
C4057
10/50
+
C4056
47/25
+
C4055
47/25
+
C4054
47/25
+
C4053
47/25
+
C4051
47/25
+
C4052
47/25
+
C4113
22/50
+
C4114
22/50
+
C4062 10/50
+
C4061
10/50
+
C1307
102
P2005B
P4002
Q4201:B
NE5532
7
6 5
Q4201:A
8
1
4
3 2
Q4241:B
NE5532
7
6 5
Q4241:A
8
1
4
3 2
Q3006:A
NE5532
1
8
2
3
4
Q3006:B
NE5532
7
5
6
Q4107:B
NE5532
6
5
7
R7302
10K
C7305
NC
+
Q7301
2SB1068-U
R7306
NC
C1304
3.3/50
+
C1310
3.3/50
+
C1311 101
R1310 100K
C1302 101
R1306 NC
C1301 101
C1303 104
Q4108
RN2407
Q4109
RN2407
Q7302
RN1407
JL905A
C4067
4.7/50
+
C4066
472J
C4065
224J
C4068
224J
C4064
4.7/50
+
D1301
RL1N4003
R4251
1K
C4251
22/50
+
C4023
22/50
+
C4203
22/50
+
C4204
22/50
+
C6527 22/50
+
C6528 22/50
+
C3013
22/50
+
C3014
22/50
+
C4111
22/50
+
C4112
22/50
+
C4117
1/50
+
Q4107:A
NE5532
3
2
8
1
4
C1002
NC
R4001
330
Q4251:B
NE5532
6
5
7
Q4251:A
1
8
2
3
4
R4130
2.2K
C709
NC
R1314
15
C4073
NC
C7307 102
C7306 102
C7308
NC
C4093 10/50
+
C4094 10/50
+
-12VA
+12VA
R4244
22K
C6521
22/50
+
C6522
22/50
+
C6525
22/50
+
C6523
22/50
+
C6524
22/50
+
C6526
22/50
+
C1001
102
C1003
NC
R1001 0
R1002 0
C7303
104
P1301
D3001
NC
D3002
NC
P4101A
P1002
P1001
D-
D+
+V
GND
D4092
NC
+8VA
-8VA
D4091
NC
D4093 NC
Q4091
78M08
3
O
2
G
1
I
Q4092
79M08
3
O
2
I
1
G
D4094 NC
Q4021
RN1441
R4021
100
J4091A
1
J6401C
J4091B
J3002B
C4072
NC
J4070B
C4069
472J
J4070A
R3021
2.7K
R3001
47K
R3003
22K
R3002
47K
R3004
22K
R3041
0.22
R3042
0.22
R4131
0.22
R4132
0.22
C3017
NC
+
C3018
NC
+
C4071
470/16
+
C4070
470/16
+
C4115
NC
+
C4116
NC
+
C1305
470/16 +
P7301
P4001
10
R4005
330
Q4001
NJW1157
51
L1IN
52
R1IN
53
L2IN
54
R2IN
55
L3IN
56
R3IN
57
L4IN
58
R4IN
59
L5IN
60
R5IN
61
L6IN
62
R6IN
63
L7IN
64
R7IN
65
L8IN
66
R8IN
67
L9IN
68
R9IN
69
L10IN
70
R10IN
71
L11IN
72
R11IN
73
L12IN
74
R12IN
75
NC
76
DGND
77
DATA
78
CLOCK
79
LATCH
80
LAIN
81
RAIN
82
CAIN
83
LSAIN
84
RSAIN
85
LBAIN
86
RBAIN
87
SW
AIN
88
LBIN
89
RBIN
90
CBIN
91
LSBIN
92
RSBIN
93
LBBIN
94
RBBIN
95
SWBIN
96
GND
97
GND
98
VSS2
99
VDD2
100
TCCAP
1
LOUT
2
ROUT
3
COUT
4
LSOUT
5
RSOUT
6
LBOUT
7
RBOUT
8
SWOUT
9
DC_L1
10
DC_L2
11
FIL_BL
12
FIL_TL
13
DC_R1
14
DC_R2
15
FIL_BR
16
FIL_TR
17
GND
18
GND
19
V+
20
V-
21
REC_A1L
22
REC_A1R
23
REC_A2L
24
REC_A2R
25
REC_A3L
26
REC_A3R
27
REC_B1L
28
REC_B1R
29
REC_B2L
30
REC_B2R
31
DCCAP_L
32
DCCAP_R
33
DCCAP_C
34
GND
35
GND
36
DCCAP_LS
37
DCCAP_RS
38
DCCAP_LB
39
DCCAP_RB
40
DCCAP_SW
41
DCL_OUT
42
DCL_IN
43
DCR_OUT
44
DCR_IN
45
FL+
46
FL-
47
FR+
48
FR-
49
VDD
50
VSS
JL1002A
U01
PRE-AMPLIFIER & DSP PC BOARD
XM
To NARF-8688
(SD-6 : E2)
To NADG-8692 (2/2)
(SD-2 : A4)
To NARF-8688
(SD-6 : E3)
To NAPS-8696
(SD-7 : A1)
To NADG-8692 (2/2)
(SD-2 : A3)
To NAETC-8698
(SD-4 : A4)
To NADG-8692 (2/2)
(SD-2 : A3)
To NAAF-8695
(SD-3 : A4)
THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF 330- 33pF 331- 330pF 333- 0.033uF
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
!
NOTE
<Note>
NC = No mount of parts.
SD-Z : XY
Location of connected terminal in schematic diagrams.
SD-Z = Schematic diagrams-Z. X = A to H, Y = 1 to 5.
To TUNER UNIT
C4001 - C4010
MDD1N 101
MDS4N 471
MGQ3P,
MDT3N,
MGT3P,
MGR6P
471
Refer to following table about the parts
displayed by mark " ".
+12V
+10.5V
-7.9V
+7.9V
SELECTOR/VOLUME
103Z
A
1
2
3
4
5
B C D E F G H