C320Bee Input Select Circuit On The Main Board; C320Bee Tone Control Circuit; Pre-Amp Module; Nad C320Bee Power Amp Circuit - NAD C 320BEE Schematic Diagrams

C320BEE INPUT SELECT CIRCUIT ON THE MAIN BOARD

RL31A
DISC
R31
470
C31
R349
100p
RL32A
1M
CD
R33
470
C33
R351
100p
RL33A
1M
VIDEO
R35
470
C35
R353
100p
RL34A
1M
AUX
R37
470
C37
R355
100p
RL35A
1M
TUNER
R39
470
C39
R357
100p
RL36A
1M
TAPE2
R311
470
C311
R337
100p
RL37A
1M
REC2
R313
470
C313
R338
100p
RL38A
1M
TAPE1
R315
R345
470
220K
R339
C315
MF
100p
1M
REC1
R317
470
C317
C319
100p
0.1u 10%
R1
100
TO CHASSIS
C1
P8
10n
63V
RL31B
DISC
R32
470
C32
R350
100p
RL32B
1M
CD
R34
470
C34
R352
100p
RL33B
1M
VIDEO
R36
470
C36
R354
100p
RL34B
1M
AUX
R38
470
C38
R356
100p
RL35B
1M
TUNER
R310
470
C310
R358
100p
RL36B
1M
TAPE2
R312
470
C312
R341
100p
1M
RL37B
REC2
R314
470
R342
C314
100p
RL38B
1M
TAPE1
R316
470
C316
R343
100p
1M
REC1
R318
470
C318
100p
2SK369
D G S
C325

C320BEE TONE CONTROL CIRCUIT

47u/25
R325
390 MF
R321
C321
3K3 MF
0.1U
C327
R319
N.I. 22n 5%
C331
63V
0.22u 5%
63V
R323
750 MF
C329
0.1u 5%
63V
R327
180 MF
OFF
1
2
SW31A
3
ON TONE DEFEAT SW
D37
1N4148
+18V
C323
47u/25 RL31C
+18V
CB32 CB33
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
-18V
C324
47u/25
-18V
C326
47u/25
R326
390 MF
C322
R322
0.1U
3K3 MF
R320
C328
N.I.
22n 5%
C332
63V
0.22u 5%
63V
R324
750 MF
C330
0.1u 5%
63V
R328
180 MF
R346
220K
MF OFF
4
SW31B
5
6
ON
MAIN POT
ALPS RK16812MG
1 2 3 4 5 6 7 8
RT33A
R329
20KB
1K5 MF
BY MOTOR
RT32A
10KA
C339
1u/16
C333
0.97u 5%
63V
R331
390 MF
C337
0.1U
RT34A
C335
20K MN
470P
D38 D39 D310 D311
+12V
1N4148 1N4148 1N4148 1N4148
RL32C RL33C RL34C RL35C
C301
+5.6V
10uF/50V
R58 R511
10K 10K
VOLUME CONROL
Q55
MOTOR
A1015
Q57
M
C55 C56
A1015
R59 4u7/25V 4u7/25V R512
1K 1K
R510
1K R513
1K
Q58
Q56
C1815
C1815
J117 C302
220p
R330
1K5 MF
BY MOTOR
RT33B
20KB
RT32B
10KA
C340
C334
0.97u 5%
63V
1u/16
C338
R332
390 MF
RT34B
0.1U
20K MN
C336
470P
TONE DEFEAT SW
1:
2:
3:

PRE-AMP MODULE

4:
5:
6:
7:
8:
9:
1 2 3 4 5 6 7 8 9
C341 Q31
L PRE-OUT
R335
K363
68
47u/25
R347
C343
100K
220p
R333
C345
4.7K
0.1U
D31
10M
+5V
QI2
RI2
2SA1015
PHONE1B
1K
RI3
33
+5V
IR OUT
PHONE1A
RI1
QI1
2SC1815
1K
IR IN
+12V
PHONE2
+12V Trigger
D312 D313
R2
1N4148 1N4148
10 C3
0.1uF
RL38C
RL36C RL37C
TO CZ52
IRIN
IROUT
SOFT IND.
+12V
DISC
CD
VIDEO
AUX
R493
TUNER
0 TAP2
TAP1
REMOTE MUTE
STANDBY

PROTECTION

+5V
VOL-
VOL+
+5.6V
+18V
-18V
D32
10M
C344
R PRE-OUT
220p
C342
R336
Q32
68
47u/25
K363
R348
100K
R334
C346
4.7K
0.1U
R3 100
C6
TO THE CHASSIS
10n
+18V
LOUT
LIN-
LIN+
GND
RIN+
RIN-
ROUT
-18V
CB31
10
9
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
CB34
TO CZ51
Protection
Remote Mute
Soft Ind
Pre Mute
+5.6V
+18V
-18V
Standby