A-9555
SCHEMATIC DIAGRAMS-2
PRE-AMPLIFIER SECTION
A-9555
M_GND
GND
Rch
Lch
HPMUT
+5V
STB
CLK
DATA
AMUT
HPIN
RI
+15V
-15V
GNDD
GND
GNDD
GNDD
GND
MAIN IN RL
TONE RL
+12V
DCPRT
PRT
RI
DATA
STB
CLK
HPIN
SPLDET
SPARL
SPADETRL
SPBRL
SPBDETRL
NFMUTE
SPRDET
HPMUT
TONE RL
AMUT
MAIN IN RL
GNDD
GNDD
HPL
HPE
HPR
GND
HPIN
LCH_IN
RCH_IN
LCH_OUT
RCH_OUT
BGND
-15V
+15V
+12V
GND
GND
GND
+5V
GND
CD
TUNER
TAPE
IN
OUT
OUT
BASS
TREBLE
NAETC-8717
BASS
R203
330
R202
330
R204
330
R207
330
R208
330
R221
220K
R222
220K
R225
220K
R226
220K
C202
101K
C204
101K
C206
101K
C207
101K
C208
101K
C209
101K
C210
101K
C203
101K
R235
R236
C217
C218
R201
330
C201
101K
C205
101K
C222 1/50
+
C223
4.7/50
+
C225
47/16
+
C226
47/16
+
C229 10/16
+
C230
10/16
+
C231
10/16
+
C236472J
P202
C237
NC
Q342
RN2402
R361
220K
R362
220K
R363
220K
R364
220K
R369
47
R370
47
R371 220K
R372 220K
R377
22
R378
22
C354
101
Q961
78M12
2
G
1
I
3
O
Q962
78M05
2
G
1
I
3
O
R968
22(1/2W)
D341
1SS352
D342
1SS352
D959
S1NB60
R347
220K
R348 220K
R351
220K
R352
220K
C224
4.7/50
+
C232 10/16
+
C356
220/16
C355
220/16
C972
10/50
L201
Q201
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
R245 220K
R341
220K
C969
2200/25
C240
NC
C241
102
C349
47/50
+
C350
47/50
+
C341
47/50
+
C342
47/50
+
C344
47/50
+
C343
47/50
+
R239
NC
R240
NC
R238
0
R237
47
C239 102
P204
C971
100/50
R205
2.2K
P201
R206
2.2K
R209
2.2K
R210
+15V
-15V
C359
104J
C360
104J
R246 220K
R342 220K
Q341A
NE5532AP
3
2
4
1
8
Q341B
NE5532AP
6
5
7
Q348B
NE5532AP
6
5
4
7
8
R234
RL342
RL341
J302
J301
R339
100
R340
100
Q349
2SD655
R373
2.2K
Q348A
NE5532AP
3
2
1
C353
101
Q343
2SD655
Q344
2SD655
Q346
2SD655
C361 104
C362
104
C363 104
C364
104
C365
104
C366
104
R375
2.2K
R376
2.2K
Q351
2SD655
Q352
2SD655
C367 104
C368 104
R353
2.2K
Q345
2SD655
R355
2.2K
R354
2.2K
R356
2.2K
JL206B
R365
10K
R367 1.5K
R368 1.5K
R366
10K
C351
220/10
+
C352
220/10
+
C234 472J
C235224J
C233 224J
C968
334J
C348
474J
C358 474J
R382 100K
+15V -15V
R358
220K
R241
100
R242
100
R243
100
C967
334J
C973
334J
R343
1K
R344
1K
Q957
2SA965
Q959
2SC2712
C965 220/16
R961
56
R963 1.8K
D957
UDZS7.5B
C975
220/25
C963
47/25
Q960
2SA1162
Q958 2SC2235
R962
56
R964 1.8K
D958
UDZS7.5B
C976
220/25
C964
47/25
C966 220/16
C238
NC
R967
2.2(1/2W)
P211
-15V +15V
R379
22
R380
22
C345 220/16
C346
220/16
R357
220K
R381
100K
Q353
RN1402
Q354
RN1402
C306
333J
C307
333J
C309
222J
R311 10K
R312
10K
R313 10K
R315
10K
R316
10K
R317
3.9K
R323
1.5K
R324
1.5K
C310
222J
R318
3.9K
R314
10K
C305
333J
C308
333J
R319B
50K
R327
220K
R328
220K
C311
47/50
C312
47/50
Q302A
3
2
8
1
4
Q302B
6
5
7
C332
220/16
R331
22(1/2W)
220/16
R332
22(1/2W)
C957
100/35
C958
100/35
-15V
+15V
C955 47/25
C956
47/25
Q953
2SC2712
Q954
2SA1162
Q952
2SC3851
D955
UDZS15B
D956
UDZS15B
R956 2.2K
R955 2.2K
C953
2200/50
+
C954
2200/50
+
D953
D954
bus1869
R951
0.47(1/2W)
R952
0.47(1/2W)
C951
334J
C952
334J
D951
D952
P209
R306
4.7K
Q301B
5
6
7
R302
NC
R304
4.7K
C302
47/50
+
R326
470
R310
1.2K
C304
47/50
+
C303
47/50
+
Q301A
2
3
4
1
8
R303
4.7K
R301
NC
C301
47/50
+
R325
470
R305
4.7K
R309
1.2K
P212A
P881
P882
C882 102J
C881
102J
C884
104Z
C883
104Z
JL206A
P209A
P205
R319A
50K
R320A 50K
R320B 50K
P102B
L882
022M
L881
022M
L883
022M
JL210B
Q350
2SD655
R374
2.2K
C970
220/25
R359 2.2K
R360
2.2K
C228
47/16
+
C227
47/16
+
R345
470
R346
470
R349
470
R350
470
R958
330
R966
470
R965
470
R957
330
Q951
2SA1488
C347
105J
Q347
RN2402
C357 105J
C331
U01
AMPLIFIER PC BOARD
NAAF-8708 (2/2)
U02
TONE CONTROL PC BOARD
NAAF-8710
U03
HEADPHONE JACK
PC BOARD
TREBLE
RI
D951 - 954 : RL1N4003
PHONES
To NAAF-8711
(SD-4 : E2)
To NADIS-8709
(SD-3 : A1)
To NADIS-8709
(SD-3 : D4)
T
o
P TRANS T912
(SD-5 :
A3)
BROWN
BLACK
BROWN
To P TRANS T912
(SD-5 : A2)
GREEN
GREEN
<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.
T
o
NAAF-8708(1/2)
(SD-1 :
A2)
NC
SELECTOR/VOLUME
A
1
2
3
4
B
C
D
E
www . x ia o y u 1 6 3 . c o m
QQ 3 7 6 3 1 5 1 5 0
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9
9
2
8
9
4
2
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8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
