Pre-Amplifier Section - Onkyo A-9555 Service Manual

QQ
3 7 6 3 1 5 1 5 0
A
SCHEMATIC DIAGRAMS-2

PRE-AMPLIFIER SECTION

To NAAF-8711
(SD-4 : E2)
1 P102B
51
P201
52
R201
53
C201 54
330
101K
55
CD
C202
56
R202
101K
57
58
330
59
60
R203
61
C203 62
330
101K
63
TUNER
64
C204
R204
101K
65
66
330
67
R205
68
2.2K
69
70
2
71
OUT
72
73
74
R206
2.2K R241
75
TAPE T E
R242
L 1 3 9 4 2 2 9 6 5 1 3
P202 76
R243
R207
100 77
C207 100 78
330
101K
100 79
C208 80
IN
R208
101K
330
R209
2.2K
R225
220K
OUT
R226
220K
R210
2.2K
MD
R211
C211
330
101K
IN
C212
R212
101K
330
3
R213
C213
330
101K
HDD
C214
R214
101K
330
R215
C215
330
101K
LINE
C216
R216
101K
330
NC
R233
R235
R236
R234
www
C241
102
P204
.
R238
0
4
RI
L201
R237
47
http://www.xiaoyu163.com
B
<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.
C228 C227 C226 47/16
47/16 C225
47/16 47/16
30
L1IN REC_B2R
29
R1IN REC_B2L
28
L2IN REC_B1R
27
R2IN REC_B1L
26
L3IN REC_A3R
25
R3IN REC_A3L
24
L4IN REC_A2R
23
R4IN REC_A2L
22
L5IN REC_A1R
21 C238
R5IN REC_A1L
NC
20
L6IN V-
19 NC
R6IN V+
18 C237
L7IN Q201 GND
17
R7IN GND
C236472J
16
NJW1157
L8IN FIL_TR
15 C235224J
R8IN FIL_BR
SELECTOR/VOLUME 14
L9IN DC_R2
4.7/50
13
R9IN DC_R1
+
12 C224
L10IN FIL_TL
C234 472J
11
R10IN FIL_BL
10 C233 224J
L11IN DC_L2
9
R11IN DC_L1
+
8
L12IN SWOUT
C223
7
R12IN RBOUT 4.7/50
6
NC LBOUT
5
DGND RSOUT
4
DATA LSOUT
3
CLOCK COUT
2
LATCH ROUT
1
LAIN LOUT
x a o
y
i
http://www.xiaoyu163.com
8
C
NAAF-8708 (2/2)
U01
AMPLIFIER PC BOARD
Q957 Q951
D951 - 954 : RL1N4003
2SA965 2SA1488
0.47(1/2W)
R961
56
Q959
2SC2712
0.47(1/2W)
bus1869
R962
56
Q958 2SC2235 Q952
2SC3851
-15V +15V
C346 R357
220/16
220K
Q Q
100K
C359
3 7 6 3
104J
C345 220/16 R381
D341 C360 NE5532AP
C341
R339
1SS352 Q341A
47/50 100
104J 3
+
1SS352
1
D342 2
R343
1K
R344
RL341
RL342
1K
NC
6
J301
5
+
Q341B
J302 R340
C342
NE5532AP
100
47/50
C972
10/50 C349 NE5532AP
47/50 Q348A
C351
2 3
+
G 220/10
R373 1
2.2K
2
C971 C353
R375
101
100/50
R365
10K
C970
220/25
R366
10K
2
G
R376
C969 C354
6
2200/25
101
7
R374
2.2K
5
C968
+
Q348B
220/10
C350
334J
47/50
R377
NE5532AP
R378
C973 C967
334J 334J
u 1 6 3
.
P211
GREEN GREEN
To P TRANS T912
(SD-5 : A2)
2 4
9 9 8
D
U02
TONE CONTROL PC BOARD
R331
R951
22(1/2W)
BROWN C331
220/16
BLACK
R332
BROWN C332
22(1/2W)
220/16
R305
4.7K
C301
47/50 R303
2
+
C303
R952
1
4.7K
3
47/50
Q301A
LCH_IN
TREBLE
RCH_IN
TREBLE
Q301B
LCH_OUT 5
7
RCH_OUT 6
C304
+
47/50
C302 R304
R306
+15V
47/50 4.7K
BGND
4.7K
-15V
+12V
TONE RL
Q354
Q353
RN1402 GND
RN1402
MAIN IN RL
GNDD
1 5 1 5 0 8 9 2 4
HPIN
GND
AMUT
Q342
RN2402 HPR
Q343
R349 Q345
C343
Lch HPE
2SD655 470
47/50 2SD655
+
HPL
R353 R355
R345
2.2K 2.2K
470
GND
M_GND
R346
R354
R356
470
2.2K 2.2K Rch
7
+
Q346
C344 Q344 R350
47/50 2SD655 470 2SD655
+5V
GNDD
HPMUT
Q347
RN2402 GND
R369
47
+
+5V
2.2K
GND
+12V To NADIS-8709
GND
(SD-3 : A1)
GND
GND
GNDD
2.2K
+ PRT
C352 R370
DCPRT
47
GNDD
+15V -15V
+15V GNDD
R358 RI
22
220K
-15V CLK
DATA
22 STB
m
HPIN
To NADIS-8709
SPLDET
SPARL (SD-3 : D4)
SPADETRL
SPBRL
c o
SPBDETRL
STB NFMUTE
CLK SPRDET
DATA HPMUT
RI TONE RL
HPIN AMUT
MAIN IN RL
A-9555
2
9 9
E
NAAF-8710
50K R319A
BASS
C307
C305
333J
333J
R323
1.5K
C311
6
47/50
7
R309
5
+
Q302B
1.2K
R320A 50K
R320B 50K
Q302A
3
+
1
R310
1.2K 2
C312
47/50
R324
1.5K
C308
C306
333J
333J
BASS
50K R319B
NAETC-8717
9 8 2 9 9
L882
022M
L881
022M
L883
022M
P881
C884
104Z
U03
HEADPHONE JACK
PC BOARD