NAD C 320BEE Schematic Diagrams

Pr
e
l
i
mi
n
ar y
STR
1
D
2
CLK
3
OE
15
Q1
4
Q2
5
Q3
6
Q4
7
Q5
14
Q6
13
Q7
12
Q8
11
QS
9
QS
10
IC54 4094
STR
1
D
2
CLK
3
OE
15
Q1
4
Q2
5
Q3
6
Q4
7
Q5
14
Q6
13
Q7
12
Q8
11
QS
9
QS
10
IC55 4094
C59 22p
C510 22p
Y51 12MHz
C57 10n
C58
0.1u 20%
+5V
C511 0.1u 20%
+5V
C
VI
TU
AU
T2
T1
P21 P22
P00 P01 P02
P20
DI
S51 VIDEO S52 AUX
S54 TAPE2
S53 CD
S55 TAPE1
S57 DISC
S56 TUNER
D51
VIDEO
D52 AUX
D53 CD
D54 TAPE2
D56
TUNER
D55
TAPE1
D57 DISC
R528 4K7
R529 10K
R526 2K2
R527 2K2
SOFT IND.
LD41 GREEN
R426 910
Q516 C1815
R533
5K1
C51
100u/16V
Q51 A1015
D59 6V8
P24
1
P25
2
P26
3
P27
4
VCC
5
X2
6
X1
7
P31
8
P32
9
P33
10
P00
11
P01
12
P02
13
GND
14
P20
15
P21
16
P22
17
P23
18
IC53
MICOM
2
3
1
IC52
IS1U60L
1 2 3 4 5 6 7 8
CZ51
1 2 3 4 5 6 7 8 9 10
CZ52
R530
15K
Q52
C1815
R52 470
R51 680
Q59 C1815
Q510 C1815
Q511 C1815
Q512 C1815
Q513 C1815
Q514 C1815
Q515 C1815
R541
4K7
R542
4K7
R543
4K7
R544
4K7
R545
4K7
R546
4K7
R547 4K7
C514 10n
C515 10n
C516 10n
C517 10n
C518 10n
C519 10n
C520 10n
CVITUAUT2 T1DI
CD VIDEO TUNER AUX TAP2 TAP1DISC
CD VIDEO TUNER AUX TAP2 TAP1 DISC
R554
4K7
R553
4K7
R552
4K7
R551
4K7
R550
4K7
R549
4K7
R548
4K7
NAD C 320BEE KEY BOARD
LD42
RED GREEN
R556 10K
R557 10K
R558
10K
+5V
IR RECEIVER
V
S
G
AMBER
REMOTE MUTE PROTECTION GND VCC VOL- VOL+ +12V
+5V
+5V
+5V
REMOTE MUTE
PROTECTION
VOL+
VOL-
SOFT IND.
+12V
VCC
POWER/PROTECTION IND.
SOFT CLPPING IND.
TO CHASSIS
TO CB31
TO CB34
MUTING BLINK
P9
SHIELDING
VCC V
S G
123
123
CZ43
CB53
Z86C0812PSC
513AW
GREENGREENGREENGREEN GREEN GREEN
W91
W53
W256
N8C320F08 N8C320F06
+5V
Q54
C1815
R501 2K2
Q53 C1815
+12V
Q517
2SC1815
R503 470
+5V
R502 10K
NC
1
NC
2
NC
3
Vss
4
SDA
5
SCL
6
NC
7
Vcc
8
IC51 24C01
IR IN IR OUT
IR IN
IR OUT
C52 0.1uF
+5V
+12V
+12V
+12V
R508 10K
D514 1N4148
C8 220p BACKUP N.I.
C61 220p
R61 220 R63
1M
Q61 2SK369 R65 560 2% R67 1K
R69 430 2%
Q63 A970
Q67 D667
C63 15p
R611 1K
Q64 B647
R613 10K
D61
1N4148
D62
1N4148
R615 33
C65 0.1u 20%
C66
0.1u 20%
C69 100p
R617
10
R619
10
C62 220p
R62 220
R64
1M
Q62 2SK369
R66 560 2% R68
1K
R610 430 2%
Q65 A970
Q68 D667
C64 15p
R612 1K
Q66 B647
R614 10K
D63
1N4148
D64
1N4148
R616 33
C67
0.1u 20%
C68
0.1u 20%
C610
100p
R618
10
R620 10
1 2 3 4 5 6 7 8 9
J61
R621
120
C611 40P LINEIN MODULE
GND
+18V
-18V LOUT ROUT RIN- RIN+ LIN+ LIN-
PORT2/0 PORT2/1 PORT2/2 PORT2/3PORT2/4
PORT2/5 PORT2/6 PORT2/7 VCC XTAL2 XTAL1 PORT3/1 PORT3/2 PORT3/3
PORT0/0 PORT0/1 PORT0/2
GND
1 2 3 4 5 6 7 8 910
11 12 13 14 15 16 17 18
Z86C0812PSCIC53:
D510 1N4148 D511 1N4148 D513 1N4148
D512 1N4148
+5V
+5V
R53 10K
R514 10
C550 0.1uF
R515 10
C551 0.1uF
R516 10
C552 0.1uF
C512 0.1u 20%
D515 1N4148
TO THE CHASIS TO THE CHASIS TO THE CHASIS
NOTE: R514 R515 R516 AND C550 C551 C552
ARE NOT INSERTED IN AH VERSION
C320BEE PREAMP MODULE
15P LINEOUT MOULE
STR
D CLK Q1 Q2 Q3 Q4
Q5 Q6
Q7
Q8 QS QS
OE
GND
VCC
IC54 IC55: CD4094
IC51: 24C01
NC NC NC
NC
VCC
SCL SDAGND
ECB
2SA1015 2SC1815TEXT
2SK369
GDS
2SD667 2SB647 TEXT:
1: SIGNAL 2: GND 3: VCC IS1U60L
513AW
123 1 2 3
1: RED INDICATOR 2: COMMON CATHODE 3: GREEN INDICATOR

NAD C 320BEE Specifications

General

Input Sensitivity	200 mV
Weight	6.9 kg
Power Output	50 W per channel into 8 ohms
Signal to Noise Ratio	100 dB
Frequency Response	20Hz - 20kHz (±0.3dB)
Dimensions	435 x 100 x 290 mm
Input Impedance	20 kOhms