A-933
SCHEMATIC DIAGRAMS-1
PRE-AMPLIFIER SECTION / POWER SUPPLY SECTION
J223
J222
Q921
S-80127CN
NC
OUT
VDD
VSS
VSS2
T902
NPT-1522P
JL302B
P701B
R353
L201
NCH-1358
L901
F901
RL902
RL901
JL901B
T901
NPT-1521P
D921
UDZJ5.1B
D202
UDZS8.2B
D201
Q216
78L05SMT
G I
O
JL501A
4056BF
VCC
VSS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
NJU7313AM
CK
DATA
NC
COM3
R8
R7
R-COM2
R6
R5
R-COM1
R4
R3
R2
R1
VDD
VSS
ST
NC
L-COM3
L8
L7
L-COM2
L6
L5
L-COM1
L4
L3
L2
L1
VEE
Q204
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
P902B
P902A
P903B
P903A
P904B
P904C
P905A
T903
NPT-1398P
1
4
5
9
P206
P207
P208
P209
Q356
RN2403
Q217
RN2402
Q206
RN2402
Q211
RN2403
Q214 79M15
G I
O
Q213
78M15
G I
O
Q215
78M12
G I
O
P205
P204
P203
P202
P201
Q903
RN1404
Q901
RN1404
Q355
RN1407
Q212
RN1404
Q210
RN1407
Q208
2SD655
Q207
2SD655
Q304
2SD655-F
Q303
2SD655-F
Q305
2SD655-F
Q306
2SD655-F
Q904
2SC1740S-R
Q902
2SC1740S-R
Q209
2SD655
D901
SINB60-4101
D225
SINB60-4062
R904
R903
R902
R901
S901
POWER
P901
P911
AC OUTLET
E901
Q353
2SK365-GR
Q354
2SK365-GR
D906
1SS355
D902
1SS355
D903
1SS355
D905
1SS355
D351
D223
D224
D222
D221
Q301
NJM4580M-D
3
2
1
Q351
NJM4580M-D
5
6
7
Q352
NJM4580M-D
3
2
1
Q203
5
6
7
Q202
5
6
7
Q201
NJM4580M-D
5
6
7
R371
50KC
R370
100KC
BASS
R371
50KC
TREBLE
R370
100KC
R353
R369
20KA
SUPER
BASS
R353
50KB
VOLUME
R369
20KA
Q351
NJM4580M-D
3
8
2
4
1
Q301
NJM4580M-D
5
8
6
4
7
Q352
NJM4580M-D
5
8
6
4
7
Q202
NJM4580M-D
3
8
2
4
1
Q203
NJM4580M-D
3
8
2
4
1
Q201
NJM4580M-D
3
8
2
4
1
C282
102
C283
102
C281
102
C922
104
C921
104
C368
473J
C370
224J
C374 393J
C372 822J
C367
473J
C369
224J
C373 393J
C371 822J
C241 102
C243
102
C242 102
C903
224
C912 224
C902
103M
C910
103Z
C304 NC
C303 NC
C904
103M
C905
334J
C906
104Z
C909
103Z
C901
472M
C375
223
C360
474J
C366
822
C364 104
C362
393J
C363
104
C365
822
C359
474J
C361
393J
C268 224K
C269
474K
C239
474K
C238
224K
C265
104Z
C263 334J
C274 102J
C273
102J
C258
334J
C257 334J
C228
C230
C229
C227
C226
C225
C224
101J
C223
101J
C222
C221
C202
470J
C201
470J
C275
102J
C231
101J
C220
101J
C219
101J
C218
101J
C217
101J
C216
101J
C215
101J
C207 152J
C208 152J
C209
682J
C211
182J
C212
182J
C210
682J
C388 33/35
C387 33/35
C322
220/16
C321
220/16
C378
220/16
C377
220/16
C262 220/16
C261 220/16
C302
47/25
C301
47/25
C306
47/25
C305
47/25
C908 10/16
C907
1000/16
C911
2.2/50
C358 47/25
C357
47/25
C353
47/25
C354
47/25
C355 33/50
C356
33/50
C351
47/25
C352
47/25
C235
47/50
C232
47/50
C234
47/50
C237
47/50
C236
47/50
C254
220/16
C253
220/16
C255
220/16
C256
220/16
C233
47/50
C267
10/16
C266 220/16
C264
1000/25
C214
10/50
C213
10/50
C259
1000/35
C260
1000/35
C251
220/16
C252
220/16
C204
22/25
C203
22/25
C205
220/6.3
C206
220/6.3
R923
27K
R921
33K
R922
18K
R392
10K
R380
1K
R391
10K
R382
470
R378 4.7K
R381
470
R379
1K
R377 4.7K
R254
1K
R285 220
R287 220
R286 220
R320
100K
R283
100K
R267 220K
R366 47K
R365
47K
R322
22
(1/2W)
R321
22
(1/2W)
R319
220K
R386
22
(1/2W)
R385
22
(1/2W)
R316
1K
R315
1K
R266
1K
R265
1K
R302
3.3K
R301
3.3K
R304
220K
R303
220K
R318
1K
R317
1K
R312
47
R311
47
R314
220K
R313
220K
R308 10K
R307 10K
R310
5.6K
R309
5.6K
R306
220K
R305
220K
R910
10K
R909
27K
R907
R908
10K
R906
R905
R384
47K
R383
1M
R360
220K
R359
220K
R363 12K
R362 10K
R361
10K
R364 12K
R356
6.8K
R355
6.8K
R376
100K
R374
680
R375
100K
R373
680
R351
470
R352
470
R357
470
R358
470
R269
47K
R270 47K
R258 220K
R257 220K
R255
1K
R256
1K
R259 220K
R260 220K
R264
1K
R263
1K
R276
470
(1/2W)
R275
470
(1/2W)
R274
22
(1/2W)
R273
22
(1/2W)
R262 1K
R261 1K
R268
1K
R252
10K
R253
10K
R251
220K
R250
47K
R249
47K
R280
2.2 (1/2W)
R279
2.2 (1/2W)
R282
0.47(1/2W)
R281
0.47(1/2W)
R277
2.2 (1/2W)
R278
2.2 (1/2W)
R244
2.2K
R243
2.2K
R246
220K
R245
220K
R240
330
R239
330
R242
220K
R241
220K
R236
2.2K
R235
2.2K
R238
220K
R237
220K
R232
330
R231
330
R234
220K
R233
220K
R228
2.2K
R227
2.2K
R230
220K
R229
220K
R272
22
(1/2W)
R271
22
(1/2W)
R201
1K
R202
1K
R203
56K
R204
56K
R214
100K
R248 220K
R247
2.2K
R224
330
R223
330
R226
220K
R225
220K
R220
330
R219
330
R222
220K
R221
220K
R216
330
R215
330
R218
220K
R217
220K
R205 220K
R208 820
R206
220K
R207 820
R213
100K
R211
39K
R209
470K
R212
39K
R210
470K
P213A
P213
P505
P504
P503
P907B
P907A
P906A
P906B
P901A
P301B
P301A
P401A
P212A
P702A
P212
GND
HPIN
ST
DATA
CLK
MAIN IN
PROTECT V
PWMCNT
RPOTECT I
AMUT
GND
HPMUT
HPIN
NF MUTE
RI
SPB RL
SPA RL
POWER
GND
+9V
POFF
+5V
+12V
NF MUTE
PWMCNT
PROTECT V
PROTECT I
NAAF-8499 & NAAF-8500
NAETC-8501 & NAETC-8502
NASW-8508
NAPS-8507
NAPS-8506
SUBWOOFER
PREOUT
AC IN
RI
MD
IN
OUT
TAPE/CDR
IN
OUT
MAIN IN
LINE
CD
TUNER
PHONO
230-240V 50Hz
D201, D202
50KB
Q205
R901-R903
TERMISTOR M3R014C
T3.15AL250V
0.47(1/2W)
0.47(1/2W)
0.22(1/2W)
NJM4580M-D
U02
PRE-AMPLIFIER PC BOARD
U04
VOLUME PC BOARD
U10
OUTLET PC BOARD
U09
POWER SUPPLY PC BOARD
U11
POWER SWITCH
PC BOARD
To NADG-8505
(SD-2 : H4)
To NADG-8505
(SD-2 : H4)
To NAAF-8496
(SD-3 : A5)
To NAAF-8496
(SD-3 : A3)
GND
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
To NADG-8505
(SD-2 : A2)
HPFL
HPFR
!
!
!
!
!
!
!
!
!
!
!
!
!
!
P904A
P905B
RED
RED
BLUE
BLUE
BROWN
BLACK
BROWN
BROWN
BLACK
BROWN
BLUE
BLUE
RED
RED
BLUE
BLUE
To NAAF-8496
(SD-3 : H4)
To NAAF-8496
(SD-3 : H4)
To NAAF-8496
(SD-3 : H4)
To NADG-8505
(SD-2 : H3)
L
GND
R
SPA RL
SPB RL
GND
FUNC CLK
FUNC DATA
FUNC STB
R
L
R
L
R
L
GND
R
L
GND
+15V
-15V
GND
+15V
-15V
TONE/DIRECT
+5V
+4.7V
+20.2V
+15V
+15V
+12V
+5V
-15V
+15V
+8.4V
-8.4V
!
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
F902
T2.5AL250V
!
AGAINST FIRE HAZARD, REPLACE
V
A
FOR CONTINUED PROTECTION
AND RATING INDICATED.
ONLY WITH FUSE OF SAME TYPE
CAUTION
ATTENTION
ET CALIBRATION COMME INDIQUE.
D'INCENDIE, REMPLACER UNIQUEMENT
PERMANENTE CONTRE LES RISQUES
AFIN D'ASSURER UNE PROTECTION
PAR UN FUSIBLE DE MEME TYPE
V
A
E LENT.POUR UNE PROTECTION PERMANENTE,N'UTILISER
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
FOR CONTINUED PROTECTION AGAINST FIRE
RATING REFER TO THE MARKING ADJACENT TO THE SYMBOL.
HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
THAT THE FUSE USED IS SLOW OPERATING TYPE
P381
JL302A
P382
L383
L382
L381
C385
104Z
C383
102K
C381
102J
C382
102J
R388
47
R387
47
HPFL
HPGND
HPFR
GND
HPIN
NAETC-8503
PHONES
U06
HEADPHONE JACK PC BOARD
<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.
A
1
2
3
4
5
B
C
D
E
F
G
H