NAD C 546BEE Service Manual

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PCB LAYOUT
KEY BOARD
bottom side
top side
SWITCH BOARD SKIP BOARD USB BOARD
top side
top side
top side
bottom side
bottom side
bottom side
AC1
AC2
-28V
+5V
GND
KEY1
KEY0 V_R2
VR_1 VFE_CLK
VFD_DATA
VFD_CE
VFD_INH
VFD_5V
GND
LED
REMOTE
GND
STOP/OPEN
SOURCE
RANDOM
DISPLAY
SCAN LEFT
SCAN RIGHT
GND
1726-072A+000B
PCB-C54626+KEY
Issue B
CN102B
R105
R104
R115
C104
REMO101
C102
Z101
JMP39
JMP117
JMP105
JMP108
JMP111
JMP110
JMP109
JMP97
JMP107
JMP112
JMP104
JMP95
JMP101
JMP89
JMP23
S105
S103
S104
S107
S108
S109
S1
S2
JP110
CON101
JMP154
JMP65
JMP160
JMP116
JMP96
JMP161
JMP162
JMP118
JMP103
JMP149
R1 0 6
R1 0 3
C107
C105
C106
L101
C101
R1 0 9
R8
C1
R9
R10
C2
R11
R12
R13
R14
C3
C4
C5
Q3
Q4
R18
R19
R20
R1 5 8
R1 5 9
R1 5 6
R1 5 7
R1 1 1
C103
R1 1 0
R30
R1 0 7
R1 0 8
R1 1 2
R1 1 3
D1 0 3
Q102
POWER
DG N D_K
PCB-C54626+SW1
1726-072A+000B
Issue B
3-BLUE
1-AMBER
CN102A
D4
S3
DG N D
+5V
LED
POWER
Q101
R1 1 6
R1 0 1
R1 0 2
GND
POWER
1726-072A+000B
PCB-C54626+SKIP
Issue B
JP109
T1
C149 C148
1726-072A+000B
PCB-C54626+USB
Issue B
CN2
JP108
GN_CH
GND
D+
D-
+5V
D9
D10
C55
L3

NAD C 546BEE Specifications

General

Frequency range	5 - 20000 Hz
Audio formats supported	MP3, WMA
Signal-to-Noise Ratio (SNR)	118 dB
Total Harmonic Distortion (THD)	0.0035 %
CD-R playback	Yes
Device type	Portable CD player
Product color	Graphite
Channel separation	110 dB
Playback disc types	CD-R, CD-RW
Disc types supported	CD-R
Power	9 W
Power source type	AC
AC adapter input voltage	230 V
Power consumption (standby)	0.5 W
USB 2.0 ports quantity	1
Package weight	6300 g

Weight and Dimensions

Depth	435 mm
Width	307 mm
Height	89 mm
Weight	4900 g