Schematic Diagrams - Onkyo A-9155 Service Manual

A

SCHEMATIC DIAGRAMS-1

NAAF-9245
U01 AMPLIFIER PC BOARD
1
PHONO
EQUALIZER
C101
R101
47/50
1K
R103
56K
C103
471K
C102
R102
47/50
1K
R104
56K
C104
471K
2
P201
8
L
7
PHONO
9
C120
(MM)
R
NC
C221
R227
R229
5 101K
L
1M
330
CD 4
6 R228
R230
R
1M
330 C222
101K
C223
2 R231
101K R233
L
330
1M
1
TUNER
R232
3
R234
R
C224 1M
330
101K
C234
223Z
3
P202
C225
R239
5 NC R241
L
1M
2.2K
4
OUT
6 R240 R242
R
1M
C226
2.2K
NC
TAPE
C227
2 R243
101K R245
L
1M
330
1
IN
R244
3
R246
R
1M
330 C228
101K C235
223Z
7
P203
C231
R247
NC R249
5
L
1M
2.2K
4
OUT
R248 R250
6
R
LINE C232 1M
2.2K
NC
R251
C229
/DOC
2 330
101K R253
L
1M
1
IN
R254
3 R252
R
1M
330 C230
101K
C236
223Z
4 7
J340
C241
J341
NC
102K NC
L702
C702
1 NC
NC
2
RI
3 L701
NC
P205
J701
NOTE
THE COMPONENTS IDENTIFIED BY MARK
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER)
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 (
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF 330- 33pF 331- 330pF 333- 0.033uF
5 ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX)
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
<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.
B
C109 C111
682J 182J
R113 R111
R105 470K 39K
220K
NJM4558D-X
5
7
Q101:B
6
C115
C117 10/50
C107 R121
152J
330/25 100K
R107
820
C110 C112
682J 182J
R114 R112
R106
470K 39K
220K
NJM4558D-X
3
1
Q101:A
2 C923
C116
C118
22/50
10/50
152J
C108
R122
330/25
100K
R108
820
C924
22/50
C925
223Z
64
INL9
63
INR9
62
INLA/RECL1
61
INRA/RECR1
60
INL8
59
INR8
58
INL7
57
INR7
56
INL6
55
INR6
54
INL5
53
INR5
52
R2S15211FP
INL4
51
INR4
SELECTOR/VOLUME
50
INL3
49
INR3
(Top view)
48
INL2
47
INR2
46
INL1
45
INR1
44
AVEE
43
CLOCK
42
DATA
DGND
41
R373 1K
R701
470
! ARE CRITICAL FOR SAFETY
IS DC VOLTAGE.(NO INPUT SIGNAL).
) ARE IN uF/WV.
PRINTING SIDE
+7V
R923
10(1/4W)
-7V
R924
10(1/4W)
R372 R371
1K 1K
C388
474J
1
1-C
2
1-OUT
3
AGND
4
2-OUT
5
2-C
6
3-C
7
3-OUT
8
AGND
9
4-OUT
10
4-C
11
5-C
Q312
12
5-OUT
13
AGND
14
6-OUT
15
6-C
47/25
16 C386
FLC
17 R_OUT
FLOUT
18
AGND
19 L_OUT
FROUT
C385
20 47/25
FRC
474J
21 C380
BASS_L1
C382 823J R376
22
BASS_L2
C378 223J
23 1.8K
TRE_L
24
AVCC
R361
Q361
68(1/2W)
C363 2SC1815
470/10
R363
C361
680(1/4W)
C365
220/16
D361
220/16
MTZJ7.5C
C362 C366
220/16
220/16
D362
C364
R364
MTZJ7.5C
470/10
680(1/4W)
+/-7V Supply
R362
Q362
68(1/2W)
2SA1015
To NACPU-9251
(SD2 : C5)
C
NAAF-9246
U02 TONE CONTROL PC BOAR
NJM2068L-D
R401
C401
1K C407
L
3 3 3
47/25
1 1 1
47/25 Q401:A
2 2 2
R417
R403 4.7K
220K R405 R409
100KC 9
C403 22K
47/25
R413
R419
1K
4.7K
R420
R414
4.7K
1K
C404
47/25 R409
R406
100KC
R404 22K
220K R418
6
4.7K
C402
7
47/25 Q401:B
R 5
C408
47/25
R402 1K
NJM2068L-D
JL209A
JL209B
R451
C451
3.3K
3
C457
47/25
NC
2
R463 R453
C461
R459
220K 82K
47/25
4.7K
J503
NC
J504
NC
R460
4.7K
R464
220K
C462
R454
47/25
6
82K
C458
C452
NC
5
R452
47/25
3.3K
R442
10(1/4W)
-15V
+15V
R441
10(1/4W)
JL211B JL212B
To NACPU-9251
(SD2 : D5)
A-9155
D
BASS TREBLE
C405
C411
473J
123J
R415
50KC
2 2
R421 9
R411
NC
220
C413
823J
C409
220
C437
224J
C4
220/16
C410
C414
224J
823J
R422 R412
220
NC
6 6
R415
50KC
C412
C406
123J
473J
22(1/4W)
R437
22(1/4W)
R438
GND_DC
C455
47/25
8
NJM2068L-D
1 R457
L 10
Q403:A
C453 3.3K
5
R461
101K
3
100K
12
C429
R455
223Z
22K RL45
E
C428
R456
223Z D450
22K
R462
C459
100K
C454 103J
R458
101K R
Q403:B
7 3.3K
C456
47/25
NJM2068L-D Q452
DTC123JS
220/16
C415
C416
220/16
R443
330(1/2W)
JL210B
To NACPU-9251
(SD2 : E5)