NAD C 521i User Manual

AC SUM
AC VCA
EQ_ON/OFF
VC
DVcc
RW/ROM
RW/ROM
RW/ROM
RW/ROM
RW/ROM
RW/ROM
RW/ROM
VC VC
VC
DVC
DVC
VOFST
VOFST
B C A D
VOFST
EQ
APC
23
RFG
24
BST
26
RFC
25
VFC
14
DVC
27
VC
5
GND
22
Vcc
1
LD
2
PD
12
SW
11
E
10
F
9
D
8
C
7
B
6
A
15
RFAC
30
DC_OFST
29
RFDCI
28
RFDCO
17
FEI
16
FE
19
TE_BAL
18
TE
21
CEI
20
CE
13
DVcc
3
EQ_IN
4
AC_SUM
-
+
-
+
VC
VC
DVC
DVcc
-
+
-
+
-
+
-
+
DVcc
-
+
-
+
DVcc
-
+
gm gm
VC
VC
VOFST
DVC
DVC
-
+
+
VC
Vcc
APC-OFF (Hi-Z) RW/ROM (H/L)
Vcc
+
22
IC BLOCK DIAGRAM
MAIN BOARD
U101: CXA2581N
1CH1OUTF 28 GND
2
F
INTER
FACE
REV
FWD
R
CH1OUTR 27 CH4OUTF
3RCIN1 26 CH4OUTR
4CH1RIN 25 VBIN
190K
100K
25K
25K
DRIVE
MUTE
5CH1FIN 24 VSIN
6VREFIN 23 VBIN
7VREFOUT 22 VCC
8GND 21 VCC
9CH2FIN 20 CH3FIN
10CH2RIN 19 CH3RIN
11RCIN2 18 RCIN3
12CH2OUTR 17 CH3OUTR
13CH2OUTF 16 CH3OUTF
14GND 15 MUTE
+
-
+
-
THERMAL
SHUTDOWN
CIRCUIT
F
INTER
FACE
REV
FWD
R
F
INTER
FACE
REV
FWD
R
LEVEL
SHIFT
MAIN BOARD
U201: BA6392FP

NAD C 521i Specifications

General

Brand	NAD
Model	C 521i
Category	CD Player
Language	English