RCA31A
L
RCA31C
L
RCA32A
L
RCA32C
L
RCA33A
L
RCA33C
L
RCA33E
L
R101
470
R103
470
R105
470
C101
100p
C102
100p
C103
100p
R107
470
R109
470
R111
470
C104
100p
C105
100p
C106
100p
R113
470
C107
100p
RCA31B
R
RCA31D
R
RCA32B
R
RCA32D
R
RCA33B
R
RCA33D
R
RCA33F
R
R201
470
R203
470
R205
470
C201
100p
C202
100p
C203
100p
R207
470
R209
470
R211
470
C204
100p
C205
100p
C206
100p
R213
470
C207
100p
R212
1M
R214 220K
R114 220K
R112
1M
R102
1M
R104
1M
R106
1M
R108
1M
R110
1M
R202
1M
R204
1M
R206
1M
R208
1M
R210
1M
Q101
2SC2240
Q103
2SD667A
Q102
2SA970
Q104
2SB647A
R122
1K
R125
2K2
R128
33
R129
10
D103
1N4148
D104
1N4148
R126
4.7K
R127
4.7K
R123
750 MF 1%
R124
470 MF 1%
C113
47uF
/25V
C112
47pF/250V
C110
100pF/250V/NP0
R120
220
D102
1N4148
R121
330K
D101
1N4148
R119
390k
C109
0.47uF
1
2
3
SW31A
C115
47uF/25V
R131
3K MF 1%
R132
750 MF
1%
R134
3901% MF
R133
180 MF
1%
C117
22nF
5%
C118 0.1uF
5%
R137
1K5 MF 1%
R138
412 MF1%
C119 0.22u 5%
C120
1u 5%
C121
470P
TONE DEFEAT SW
R139
20K
OFF
ON
VOLUME POT
BALAN
C
E
POT
BASS POT
T
R
EBLE POT
C116
0.1uF 63V
RT
31A
10KA
RT32A
10KA
RT
34A
20K MN
C145
22nF
R136
220K
D303
1N4001
R320
22K
3
1 2
IC31
AMS1117-5.0
1
2
3
4
D306
DB104
C322
1000uF/16V
C321
100uF/16V
R317
33 1/2W FS
R319
680
R316
680
C314
**
220uF 50V
Q308
KSC2690
C313
330p
R311
680
R310
680
R309
680
D301
16V 1/2W
C311
47uF/25V
C307
47uF
/25V
R308
22K MF
1%
R314
33 1/2W FS
R318
680
R315
680
C315
**
220uF 50V
Q306
2SC1815
C312
330p
R313
680
C310
10uF/25V
C309
47uF
/25V
R307
20K MF
1%
Q307
KSA1220
Q305
2SA970-BL
C306
0.1u CL23B
C308
0.1uF
CL23B
-17V
R312
2K2
D302
1N4148
+17V
R321
510 1/2W PF
R118
220K
RL301
JQX-115F/24
C111
0.1uF
+17V
-17V
C114
0.1uF
Q220
2SC2878
Q120
2SC2878
+45V
Q201
2SC2240
Q203
2SD667A
Q202
2SA970
Q204
2SB647A
R222
1K
R225
2K2
R228
33
R229
10
D203
1N4148
D204
1N4148
R226
4.7K
R227
4.7K
R223
750 MF 1%
R224
470 MF 1%
C213
47uF
/25V
C212
47pF
C210
100pF/250V/NP0
R220
220
D202
1N4148
R221
330K
D201
1N4148
R219
390k
C209
0.47uF
4
5
6
SW31B
C215
47uF/25V
R231
3K
R232
750 1/6W MF
R234
390 MF 1%
R233
180 MF
1%
C217
22nF
5%
C218
0.1uF
5%
R237
1K5 MF1%
R238
412 MF 1%
C219 0.22u 5%
C220
1u 5%
C221
470P 250V
TONE DEFEAT SW
R239
20K
OFF
ON
BALAN
C
E
POT
BASS POT
T
R
EBLE POT
C216
0.1uF
RT
31B
10KA
RT32B
10KA
RT
34B
20K MN
C245
22nF
R236
220K
R218
220K
C211
0.1uF
+17V
-17V
C214
0.1uF
R215
470
R216
1M
C208
100p
R115
470
R116
1M
C108
100p
DISC
CD
VIDEO
AUX
TUNER
TAPE
REC
CD L
CD R
DISC L
DISC R
VIDEO L
VIDEO R
AUX L
AUX R
TUNER L
TUNER R
TAPE L
TAPE R
REC L
REC R
MP L
MP R
D305
1N4148
1
2
3
4
5
CB31
1
2
3
4
SPKOUT
BINDING POST
+5V
-45V
+45V
1
2
3
4
5
CB32
+/- 17V and 5 V Supply
+35V
-35V
1
2
3
4
5
6
7
8
9
CB34
Volume
C323
**
10000uF/50V 10%
C324
**
10000uF/50V 10%
R332
10
C327
0.22uF
C328
0.1uF
To Power Board
To Power Board
1
2
3
CB54
MP Input
C329
2200uF,50V
C330
2200uF,50V
1
2
3
4
D307
DB104
R283
220/2W FP
R183
220/2W FP
R288
100/2W/FP
R188
100/2W/FP
L-S
1
2
L-S
2
3
L-S
3
4
L-S
4
5
L-S
5
7
L-S
6
8
L-S
7
10
L-S
8
11
L-C
OM 1
6
L-C
OM 2
9
L-C
OM 3
12
ST
B
13
GND
14
R-
S1
27
R-
S2
26
R-
S3
25
R-
S4
24
R-
S5
22
R-
S6
21
R-
S7
19
R-
S8
18
R-
CO
M
1
23
R-
CO
M
2
20
R-
CO
M
3
17
DATA
16
CL
K
15
Vs
s
1
Vd
d
28
U301
TC9164CNG
CD
L
CD
R
DI
SC
L
DI
SC
R
VI
DEO L
VI
DEO R
AUX L
AUX R
TUNER
L
TUNER
R
TAP
E L
TAP
E R
RE
C L
RE
C R
MP
L
MP
R
IP SEL DATA
IP SEL CLK
IP SEL ST
B
MP
R
L
JK31
1
2
3
4
5
CZ31
PHONES SOCKET
N8C320D03
RT33A
20KB
-
+
M
RT33C
RT33B
20KB
1
2
3
4
5
6
7
8
9
CZ34
+35V
MOTOR
Document
Sheet:
Date:
Date:
Date:
Drawn
PL Checked
Approved
by:
by:
by:
Number:
REV.
Date
DESCRIPTION
APPRO.
Project:
State:
PTA Checked
by:
Date:
HS4_C315BEE_B007_Vm1.3_AMP.SCH
1 / 3
C315BEE
Vm
Record Mute
IP SEL STB
IP SEL CLK
IP SEL DATA
Volume-
Remote mute
Protection
Standby
+5V
GND
Name
C315BEE Main Board
+5V
Q114
KSC2690
Q111
2SA1360
Q107
2SA970
C123
10uF/16V CD11A
C122
0.1uF
Q113
KSC2690
Q118
2SC2240
Q108
2SC2240
Q117
2SC5200
Q106
2SC2240
Q
115
2S
A
1943
Q109
2SA970
Q110
2SA1015
Q316
2SA970
Q116
KSA1220
R148
1K
R151
10K 1/6W CF
R150
10K 1/6W CF
R164
27 1/6W CF
R149
100 1/6W CF
R177
0.068R/2W
R166
360 1/6W CF
R160
82 1/
6W
C
F
R162
4K7 1W FP
R165
412 1/6W CF
R163
4K7 1/2W FP
R181
51 1/6W MF
R153
240 1/6W CF
R173
51 1/6W MF
R174
0.068R/2W
C128
47uF/25V
C127
0.1uF 63V
C130
47nF
/63V
C
L
23B
D108
1N
4148
D109
1N
4148
VR101
100
C132
10uF
25V
R167
1K 1W FP
R168
1K 3W FP
C131
47uF 63V CD110
C133
**
220uF 63V CD110
R147
1K1 1/6W CF
R155
82 1/
6W
MF
1%
R154
100 1/6W CF
R158
100K 1/6W MF
C129
47pF
/250V
L11
100uH
R143
100 1/6W CF
R146
470 1/6W CF
C125
470pF/250V NPO
R141
22K
D105
1N4148
R142
22K 1/6W CF
C126
10uF 50V
C140
22N
C138
0.1uF 63V CL23B
C139
0.1uF 63V CL23B
C137
1uF/63V CL23B
R178
1K
R179
56K
D112
1N4148
R331
6K8
R180
22K
L12
1uH
R176
3R3/1W PF
R175
10R/1W PF
R157
4.3K 1/2W MF 1%
-45V
IC11A
TL082D
C136
1uF/63V CL23B
R172
1M 1/6W CF
C135
0.1uF
C134
0.1uF
R156
2.2K 1/6W CF
R171
1M 1/6W CF
R140
220 1/6W CF
Q105
2SC2878
C142
22nF/63V CL23B
C141
0.1uF 63V CL23B
R187
47,1/2W,FS
C143
**
220uF
C144
10pF
R189
390
C146
47pF
C124
220uF/10V
R190
3.3K/1W
-45V
D113
4.7V
C147
75pF
C148
75pF
Q214
KSC2690
Q211
2SA1360
Q207
2SA970
C223
10uF/16V CD11A
C222
0.1uF
Q213
KSC2690
Q218
2SC2240
Q208
2SC2240
Q217
2SC5200
Q206
2SC2240
Q
215
2S
A
1943
Q209
2SA970
Q210
2SA1015
Q216
KSA1220
R248
1K
R251
10K 1/6W CF
R250
10K 1/6W CF
R264
27 1/6W CF
R249
100 1/6W CF
R277
0.068R/2W
R266
360 1/6W CF
R260
82 1/
6W
C
F
R262
4K7 1W FP
R265
412 1/6W CF
R263
4K7 1/2W FP
R281
51 1/6W MF
R253
240 1/6W CF
R273
51 1/6W MF
R274
0.068R/2W
C228
47uF/25V
C227
0.1uF 63V
C230
47nF
/63V
C
L
23B
D208
1N
4148
D209
1N
4148
VR201
100
C232
10uF
25V
R267
1K 1W FP
R268
1K 3W FP
C231
47uF 63V CD110
C233
**
220uF 63V CD110
R247
1K1 1/6W CF
R255
82 1/
6W
MF
1%
R254
100 1/6W CF
R258
100K 1/6W MF
C229
47pF
/250V
L21
100uH
R243
100 1/6W CF
R246
470 1/6W CF
C225
470pF/250V NPO
C224
220uF/10V
R241
22K
D205
1N4148
R242
22K 1/6W CF
C226
10uF 50V
C240
22N
C238
0.1uF 63V CL23B
C239
0.1uF 63V CL23B
C237
1uF/63V CL23B
R278
1K
R279
56K
D212
1N4148
R280
22K
L22
1uH
R276
3R3/1W PF
R275
10R/1W PF
R257
4.3K 1/2W MF 1%
-45V
IC21A
TL082D
R272
1M 1/6W CF
C235
0.1uF
C234
0.1uF
R256
2K2 1/6W CF
R271
1M 1/6W CF
R240
220 1/6W CF
Q205
2SC2878
C242
22nF/63V CL23B
C241
0.1uF 63V CL23B
+45V
C243
**
220uF
R287
47,1W,FS
C236
1uF/63V CL23B
C244
10pF
R290
3.3K/1W
D213
4.7V
-45V
R289
390
C246
47pF
C247
75pF
C248
75pF
C320
100uF/50V CD110
R182
56K 1/6W CF
R282
56K 1/6W CF
Q315
2SC1815
R329
30K
R330
T0=80 degree C
+17V
C332
100uF/50V CD110
D310
1N4148
D311
1N4148
R339
33K
Standby
C333
N.I.
1
2
3
4
5
6
7
8
CB35
Protection Module
R342
4.7K,1/2W,FP
+45V
C338
0.22uF
C334
100uF/16V
C325
0.1uF
C326
0.1uF
+17V
-17V
C335
0.47uF/50V
C336
47uF/25V
R191
1,1/
6W
,M
F
1%
R192
15K,1/6W
VR102
20K,5%
VR
202
20K
,5%
R292
15K
R291
1,1/
6W
,1%
C249
N.I
C149
N.I
R343
100,1/6W
C337
39pF
R193
510
R293
510
R294
510
R194
510
-17V
+17V
+17V
-17V
Q121
2SA970
R195
1K 1/6W CF
Q221
2SA970
R295
1K 1/6W CF
+/- 45V Supply
Headphone
C22
10uF
C12
10uF
C11
10uF
C21
10uF
R13
220K
R23
220K
R22
100K
R12
100K
R21
8.2
R11
8.2
+17V
+17V
R26
220K
C23
10uF
R16
220K
R25
100K
R15
100K
R24
8.2
R14
8.2
+17V
+17V
C13
10uF
NAD
THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF
NAD ELECTRONICS INTL.. ANY REPRODUCTION IN PART OF WHOLE WITHOUT
THE WRITTEN PERMISSION OF NAD ELECTRONICS INTL. IS PROHIBITED
VR103
2K
R17
820
Q122
KSC2690
R196
3K3
VR203
2K
R27
820
Q222
KSC2690
R296
3K3
Change R147,R247 to 1.1k
Change R165,R265 to 412 from 390
Add R332
Change C327 to 0.22uF
Change R330 to 80 degree
Change R329 to 30K
Vm1.3
Vm1.2
Vm1.1
Vm1.0
Vm1.0
Vm1.0
PCB-5: HEADPHONE BOARD Vm1.0
HEADPHONE CIRCUIT Vm1.0
PCB-3: POT BOARD Vm1.0
POT CIRCUIT Vm1.0
PCB-1:MAIN BOARD Vm1.0
MAIN CIRCUIT Vm1.3
** For countries with higher than expected mains voltage, one may change C323 and C324 from LP
10
000uF
5
0V
8
5°C
10%
(P/N
06-10351-04
) to
HP
1
0
000uF
63
V 105°C +/-
1
0%
(P/N 06-10361-00), and
c
hange
C133, C143, C233, C243, C314 and C315 from CD110 220uF 63V 85°C ±20% (P/N 06-22161-00)
to CD263 220uF 63V 105°C ±20% (P/N 06-22161-01).
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