Schematics - NAD C 355BEE Service Manual

SCHEMATIC DIAGRAM(2/4)
PREAMP CIRCUIT Vm1.0
PCB-1:MAIN BOARD Vm1.0
RL31B
RCA31A
DISC R31
470
C31
R349
100p
RL32B
RCA31C
1M
CD
R33
470
C33
R351
100p
RL33B
RCA31E
1M
VIDEO
R35
470
C35
R353
100p
RL34B
RCA32A
1M
AUX R37
470
C37
R355
100p
RL35B
1M
RCA32C
R39
TUNER
470
C39
R357
100p
RL36B
1M
RCA32E
R311
TAPE2
470
C311
R337
100p
RL37B
1M
RCA33A
R313
REC2
470
C313
R338
100p
RL38B
RCA33C
1M
TAPE1
R315
470
R345
R339
220K
C315
MF
100p
RCA33E
1M
REC1
R317
470
C317
100p
RL39B
R393
470
C304
R394
100P CB32
CB35 LOW NOISE AMP
1M
IN MODULE
Ipod-L 3
2 RL39A
Ipod-R 1
R396
CON3
470
C305
R395
100P
RL31A
RCA31B
1M
DISC
R32
470
C32
R350
100p
RL32A
RCA31D
1M
CD R34
470
C34
R352
100p
RL33A
RCA31F
1M
VIDEO
R36
470
C36
R354
100p
RL34A
RCA32B
1M
AUX
R38
470
C38
R356
100p
RL35A
1M
RCA32D
R310
TUNER
470
C310
R358
100p
RL36A
1M
RCA32F
R312
TAPE2
470
C312
R341
100p
RL37A
1M
RCA33B
R314
REC2
470
R342
C314
RL38A
100p
RCA33D
1M
TAPE1 R316
470
C316 R346
R343 220K
100p
MF
RCA33F
1M
REC1
R318
470
C318
100p
PREAMP MODULE CIRCUIT Vm1.0 Low Noise Amp In and Out Module part number 01-35504-00 a non-servicable part
PCB-6:PREAMP SMD BOARD Vm1.0
0.1u 20%
CZ61
+18V
1
LOUT
2
LIN-
3
LIN+
4
GND
5
RIN+
6
RIN-
7
ROUT
8
-18V
9
CON9
C355BEE RELAY CONTROL CIR.
D37 D38 D39 D310 D311 D312 D313
1N4148 1N4148 1N4148 1N4148 1N4148 1N4148 1N4148
RL31C RL32C RL33C RL34C RL35C RL36C RL37C
C325
C355BEE TONE CONTROL CIR.
47u/25 R325
390 MF
R321
C321
3K3 MF
0.1U
C327
63V
22n 5%
R363 R361
51K N.I.
C319 R319 R323
N.I.
750 MF
VR303
0.1u 10% C329
30K
0.1u 5%
63V
R327
180 MF
SW31A
C335
1
OFF
N.I.
2
TONE DEFEAT SW
C324 3
ON
47u/35
1 +18V
2
R365 30K
3 R391 560 1% R366 N.I.
4
5
C365 68pF
6
C366 N.I.
7 R392 560 1%
8
9 -18V
C323 C326
47u/35 47u/25
R326
390 MF
C322
0.1U
3K3 MF C328
R322 22n 5%
R364 R362
51K N.I.
R320 R324
N.I. 750 MF
VR304
C330
30K
0.1u 5%
63V
R328
180 MF
SW31B
4 C336
N.I.
TONE DEFEAT SW OFF 5
ON 6
+5V
R402
10K
C301
VOLUME CONROL
10uF/50V
Q401 RT33C
A1015 20KB
-
C417
C320 R403 4u7/25V
1K
0.1u 10%
R406
1K
Q402
C1815
C303
220p
Q65
A1312-GR
C68
R68 Q69
1K C3324-GR
C62
220p R612
C64 1K
22p
R616
R62
C610 10
220 C612
R622
100p
1nF
R64 1K
2.2M
R610
430 2%
R617
Q611
10
C3324-GR
R624
620
C67
Q66
0.1u 20%
2SA1201-Y
R614
10K
16
D316 D317 +12V
1N4148 1N4148
+5V
RI5 10K
RI1 10K RI6 10K
RL38C RL39C RL310C
QI1
C362
2SC1815
10n
+5V
RI4 RI2 RI3
R329
4.7K 1K 33
1K5 MF
QI2
2SA1015
BY MOTOR
C337
C345
0.1U
0.1uF
R333
R331 C341
C339
4.7K
390 MF 1u/16 47u/25
C349 N.I.
R387 VR301
100
20K
CB33
1 +18V
47uF/35V
2 R383
R385
C131
3
560 1% 1.8
4
5
6
R384 R386
7
C231
560 1% 1.8
8
47uF/35V
9 -18V
R388
OUT MODULE
20k
LOW NOISE AMP
VR302
C350 N.I. 100
C338
0.1u
R330
C346 0.1uF
1K5 MF
C340
C342
1u/16
47u/25
BY MOTOR
R334
4.7K
RT33B
20KB
VOLUME POT
R332
390 MF
R404
10K
Q403
A1015
+
M
C418
4u7/25V R405
1K
R407
1K
Q404
C1815
C302
220p
C66
R67
1K
0.1u 20%
C61
220p
R620
10
R61
R63 C69
220
100p
2.2M
C65
0.1u 20%
CB31
TO CZ76
Mute Relay
12
TAPE1
11
TAPE2
10
TUNER
9
AUX
8
VIDEO
7
CD
6
DISC
5
IPOD
4
+12V
+12V 3
IROUT
2
IRIN
1
PHONE1B
RI7
330,5%
IR IN
PHONE1A
IR OUT
R2
10
PHONE2
RCA34C
Pre-out 2 L
C3 0.1uF
+12V Trigger
R335
RL310B
RCA34A
68
Pre-out 1 L
R399
R347 C363
100
100K 100pF
RCA34D
Pre-out 2 R
RL310A
R336
68 RCA34B
Pre-out 1 R
R398 R348 C364
100
100K 100pF
+12V +12V
+5V +5V
+18V +18V
-18V -18V
Speak B
Speak A
Standby
Protection
Soft Cliping
TO CZ71
CB34
Soft Cliping
9
Protection
8
Standby
7
+5V
6
5
4
3
VOL+
2
VOL-
1
Q63
A1312-GR
Q610
C3324-GR
Q67
2SC2881-Y
R611
C63 1K
22p
R615
C613 10
R623
1nF
1K
R69
430 2%
R619
R618
R625 10 10
620
R613
10K