Onkyo DR-UN7 Service Manual page 9

Hide thumbs Also See for DR-UN7:
Table of Contents

Advertisement

A
B
SCHEMATIC DIAGRAMS-1
PRE-AMPLIFIER SECTION
NADG-8692 (1/2)
1
U01
PRE-AMPLIFIER & DSP PC BOARD
To NARF-8688
(SD-6 : E2)
MDD1N Only
P1002
+V
R4208
R4207
GNDXM
NC
+V
R1001 0
D-
D-
XM
10K
D+
D+
R1002 0
GNDXM
R4210
GND
GNDXM
2
C1003
GND
NC
Refer to following table about the parts
displayed by mark "
".
C4001 - C4010
R4244
MDD1N
101
22K
MDS4N
471
R4246
NC
R4245
MGQ3P,
MDT3N,
471
MGT3P,
MGR6P
P4001
R4001
R
330
LINE / TV IN
R4002
L
330
R4003
R
3
2.2K
GND
OUT
R4004
L
2.2K
TAPE / HDD
J4070B
J3002B
J6401C
J4091B
R4005
R
330
IN
L
R4021
R4025
330
PREOUT
10
100
270
P4002
R4007
Q4021
Q4025
SURR R
RN1441
RN1441
100
Q4022
Q4026
RN1441
RN1441
R4008
SURR L
R4026
270
100
100
R4022
4
R4023
R4027
R4009
SUBWOOFER
100
270
100
Q4023
Q4027
RN1441
RN1441
R4010
RN1441
RN1441
CENTER
Q4024
Q4028
100
C4012
100
R4028
103Z
R4024
270
C709
C7302
P7301
104
C7301 101
NC
L7301
R7301
RI
BLM21B222
470
Q7301
2SB1068-U
SUBWOOFER
CONTROL
R7304
RXE010
5
Q7302
RN1407
C
To
NADG-8692 (2/2)
(SD-2 : A4)
+12VA
+3.3VDG
R1314
+10.5V
15
NC
10K
R4209
8
4
R4243
22K
NC
51
8
4
L1IN
52
R1IN
MDPLAY_L
53
L2IN
MDPLAY_R
54
R2IN
55
L3IN
56
R3IN
TUNER_L
57
L4IN
TUNER_R
58
R4IN
59
L5IN
60
R5IN
LINE_L
61
L6IN
LINE_R
62
R6IN
63
L7IN
64
R7IN
CDR_L
65
L8IN
CDR_R
66
R8IN
67
L9IN
SELECTOR/VOLUME
C4203
68
22/50
R9IN
DVDREC_L
69
+
L10IN
DVDREC_R
70
+
R10IN
71
C4204
L11IN
22/50
72
R11IN
73
L12IN
C4021
74
+
R12IN
22/50
75
NC
GNDD
76
DGND
SELDAT
77
DATA
SELCLK
78
CLOCK
SELSTB
79
LATCH
80
LAIN
C4022
22/50
+
C4023
+
C6527 22/50
22/50
+
+
C6528 22/50
C4024
+
22/50
AMUT
Q4251:A
RI
1
GND
SWIN
R4255
22K
+BSWC
C7308
NC
SWPRL
C4253
C7307 102
GNDSWC
S
330
C7306 102
P2005B
To
NAETC-8698
(SD-4 : A4)
D
E
MDD1N Only
To
NARF-8688
(SD-6 : E3)
To TUNER UNIT
JL1002A
P1301
R1301
2.2K
C1301
101
R1302
2.2K
C1302
101
R1303
27K
R1306
NC
R1304
27K
C1304
3.3/50
+
C1310
3.3/50
+
D1301
C1311
101
RL1N4003
R1310
100K
C1303
104
MDD1N Only
-8VMD
Q3003
NC
R3029
NC
C3015
NC
Q3004
NC
-8VA
+8VA
30
REC_B2R
29
REC_B2L
R4032
28
REC_B1R
R4031
27
47
REC_B1L
26
47
REC_A3R
25
REC_A3L
24
NC
REC_A2R
C4073
23
NC
REC_A2L
C4072
R3001
22
REC_A1R
NC
21
C4070
47K
REC_A1L
20
470/16
V-
C4071
+
19
470/16
+
V+
18
GND
C4069
17
472J
GND
J4070A
16
Q4001
FIL_TR
15
C4068
NJW1157
FIL_BR
224J
14
DC_R2
C4067
13
4.7/50
DC_R1
+
12
C4066
FIL_TL
472J
11
FIL_BL
C4065
R3002
10
224J
DC_L2
9
C4064
47K
+
DC_L1
4.7/50
8
PRE_SW
SWOUT
7
RBOUT
6
LBOUT
5
PRE_RS
RSOUT
4
PRE_LS
C4113
LSOUT
+
3
PRE_C
COUT
22/50
2
PRE_R
ROUT
1
PRE_L
LOUT
Q4108
RN2407
R4133
-8VDAC
Q4109
R4251
C4251
3
RN2407
+
R4134
1K
22/50
2
6
C4119
+8VDAC
7
NC
5
Q4251:B
C4120
NE5532
NC
C4114
+
22/50
F
G
+8VA
D4093
NC
+12VA
3
1
O
I
Q4091
+12VA
To NAPS-8696
78M08
GNDPS
(SD-7 : A1)
-12VA
Q4092
79M08
3
2
J4091A
O
I
NC
D4094
-12VA
-8VA
Q3006:A
NE5532
C3009
-8VMD
681
R3017
R3019
4.7K
3.3K
3
MDLOUT
R3023
C3013
1
GNDMDA
+
+8VMD
+8VA
2
MDROUT
1K
22/50
R3041
+8VMD
0.22
(1/2W)
D3001
NC
MDMUT
MDMMUT
D3002
NC
MDRIN
R3042
Q3006:B
RECMUT
(1/2W)
NE5532
MDLIN
6
0.22
R3024
C3014
7
-8VMD
-8VA
+
5
1K
22/50
R3020
R3018
NOTE
681
4.7K
3.3K
THE COMPONENTS IDENTIFIED BY MARK
C3010
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER)
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
+8VMD
Q3005:A
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
NJM2100M
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
C3001
3
+
C3003
R3009
ELECTROLYTIC CAPACITORS (
2.2/50
1
+
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
2
3.3K
10/50
Q3001
RN1441
EX) 030- 3pF 330- 33pF 331- 330pF 333- 0.033uF
+8VMD
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
R3030
150K
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX)
C3006
NC
-8VMD
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
Q3005:B
R3032
<Note>
NJM2100M
6
RN1441
220K
NC = No mount of parts.
Q3002
C3004
R3010
7
+
SD-Z : XY
C3002
5
10/50
3.3K
+
Location of connected terminal in schematic diagrams.
2.2/50
SD-Z = Schematic diagrams-Z. X = A to H, Y = 1 to 5.
-8VPR
Q4107:A
R4101
3
NE5532
R4119
22/50
1
PRER
1K
+
2
GND
2.2K
C4111
GND
+8VPR
PREL
C4105 101
R4109
56K
C4109
C4107
333J
333J
Q4111
RN1441
+8VPR
+8VA
R4131
Q4105
Q4103
RN1441
RN1441
0.22
(1/2W)
1K
R4132
SBASS1
Q4106
Q4104
RN1441
RN1441
0.22
SBASS2
(1/2W)
GNDD
-8VPR
-8VA
SELDAT
RN1441
1K
Q4112
SELCLK
C4108
C4110
SELSTB
333J
333J
AMUT
R4110 56K
C4106 101
SWIN
-8VPR
+BSWCTRL
Q4107:B
NE5532
6
SWPRL
-8VPR
R4120
22/50
7
+
R4102
5
2.2K
C4112
1K
DR-UN7
H
RDSCLK
RDSDATA
SIGNAL
To
NADG-8692 (2/2)
SD
(SD-2 : A3)
STEREO
PLLSDO
PLLCLK
!
ARE CRITICAL FOR SAFETY
IS DC VOLTAGE.(NO INPUT SIGNAL).
) ARE IN uF/WV.
PRINTING SIDE
To
NAAF-8695
(SD-3 : A4)
To
NADG-8692 (2/2)
(SD-2 : A3)
RI

Advertisement

Table of Contents
loading

Table of Contents