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NAD C 546BEE Service Manual

NAD C 546BEE
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- 8 -
WIRING DIAGRAM
1 2 3
Reset
RXD
TXD
GND
CPU_5V
L
R
120V
230V
CD8V
GND
1.5V
CL_SW
JGND
OP_SW
LM_CL
LM_OP
SPDIF
DATA
BCLK
LRCLK
MCLK
GND
USB_DET
USB_UPDATE
ACK
AM1
DETECT
USB_RST
MCU_RST
AC1
AC2
-28V
D+5V
KGND
KEY1
KEY0
V_R2
V_R1
VFD_CLK
VFD_DATA
VFD_CE
VFD_INH
CPU_5V
DGND
LED
REMOTE
2
17
18
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
DGND
1
PCB-C54626+MAIN
1726-072A+000B
Issue B
RESET
DET
T1.6AL250V
T1AL250V
T1AL250V
100mAL250V
T1AL250V
P217
P218
P219
JGND
JGND
JGND
JGND
JGND
J222
Remote to MCU
Remote from Keyboard
DGND
DETECT
CPU_5V
TXD
RXD
DGND
CPU_5V
USB_TX
USB_RX
T800mAL 250V
RCA_CH
X201
C216
C219
Q216
C220
C223
C203
C312
C314
C316
C310
C264
C265
C266
C267
C268
Q205
Q202
C269
C270
C271
Q203
C273
L201
Q204
C226
C230
C233
C237
C238
C240
Q210
Q211
Q212
Q213
C245
C247
C249
C251
C253
D210
C254
Q206 C255
Q207
C257
D213
D214
C258
C259
C208
C214
Q201
D202
L202
D204
D205
D208
C235
C272
H207
H202
H203
H204
H206
H201
C277
C285
D218
C323
C324
P202
P203
R289
R241
R335
R334
R243
R302
R306
Q208
Q209
J219
P204
P205
L2
C15
R290
D209
CN103
R24
C115
D6
C113
D7
D11
Q10
D8
D13
D14
D15
R264
Q9
C16
D12
X202
L203
J220
D203
U203
D206
J217
J218
D211R262
RL202
RL201
J209
J210
FC201
FC202
FC203
FC204
FC205
U210
U211
AC201
U202
IC202
IC203
U205
U206
U207
J214
C210
C211
CON201
J201
J202
J203
J204
J207
RCA201
U204
R243
D201
D1
C243
RCA202
J215
C201
C10
L1
C11
U2
C12
C13
C14
J205
JMP120
JMP46
JMP121
JMP83
JMP88
JMP92
JMP82
JMP47
JMP84
JMP90
JMP40
JMP22
JMP24
JMP43
JMP76
JMP72
JMP51
JMP2
JMP13
JMP26
JMP27
JMP30
JMP25
JMP28
JMP32
D239
R140
JMP38
JMP33
JMP48
JMP49
JMP54
JMP52
JMP50
JMP57
JMP59
JMP56JMP55
JMP62
JMP99
JMP78
JMP29
JMP60
JMP71
JMP100
JMP73
D238
JMP18
JMP94
JMP63
JMP61
JMP19
JMP91
JMP53
JMP58
JMP69
JMP77
J216
JMP11
JMP
10
JMP131
JMP133
JMP139
JMP75
JMP132
JMP21
JMP45
JMP124
JMP115
JMP86
JMP80
JMP6
JMP14
JMP15
JMP16
JMP17
JMP7
JMP68
JMP67
JMP119
JMP41
JMP42
JMP1
JMP5
JMP3
JMP128
JMP122
JMP98
JMP125
JMP102
JMP126
JMP113
JMP36
JMP34
JMP31
JMP123
JMP127
JMP135
JMP136
JMP85
JMP81
JMP70
JMP37
JMP66
JMP74
JMP12
JMP137
JMP138
JMP35
SW201
D21
D23
D22
D24
L102
C114
D107
R21
D105
R22
C17
U116
R23
D108
C18
C110
C109
R117
R27
L103
C116
C112
C111
U101
JMP64
JMP20
CN1A
JMP9
JMP4
JMP93
JMP8
JMP106
JMP129
JMP130
JMP141
JMP142
JMP143
JMP114
JMP87
JMP144
JMP145
J
MP146
JMP147
JMP148
JMP151
JMP152
JMP140
JMP79
JMP153
JMP44
JMP134
JMP158
D16
JMP155
D17
R33
D2
JMP150
F101
JMP156
JMP157
JMP159
JMP163
JMP164
D5
T100
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
GND
POWER
1726-072A+000B
PCB-C54626+SKIP
Issue B
JP109
T1
PCB-C54626+SW1
1726-072A+000B
Issue B
3-BLUE
1-AMBER
CN102A
D4
S3
1726-072A+000B
PCB-C54626+USB
Issue B
CN2
JP108
GN_CH
1 3
4 6
SLT-
SLT+
FM-
FM+
DM-
DM+
FE-
TE-
TE+
FE+
PD
VR
LD
GND
F
C
B
A
D
E
SVCC
VREF
T5CJ3-7D13
TC94A93FG
CL-SW
OP/CL-COM
OP-SW
LM-CL
LLM-OP
GND
USB-
USB-
USB-
DET
UPDATE
POWER
AM1
MCU-
TEST
USB-
RST
MCU-
RST
USB-
RX
USB-
TX
VCC
D-
D+
DGND
PCB-C54626+SERVO
1725-970B+000B
Q701
Q71
Q2
C707
C708
C712
C715
C717
C734
C735
C743
C744
C745
C746
C27
C28
C29
C52
C56
C6
C7
C701
C702
C705
C706
C710
C713
C714
C716
C719
C721
C723
C724
C728
C731
C733
C737
C738
C740
C742
C756
C760
C761
C765
C768
C770
C771
C772
C774
C775
C777
C781
C783
C757
C791
C711
C718
C726
C727
C763
C764
C703
C704
C720
C722
C725
C730
C732
C741
C766
C767
C769
C773
C776
C778
C779
C780
C782
C25
C51
C76
C60
C75
C739
C785
C26
C8
C758
C759
C762
C53
C54
C59
C74
C77
C78
D5
D6
L703
L705
L706
L707
L708
L709
CN701
L10
L11
U11
IC3
CN08
JR0
JR701
R1
R10
R11
R16
R19
R2
R23
R3
R4
R46
R50
R52
R53
R55
R56
R57
R63
R64
R65
R66
R67
R7
R701
R702
R703
R704
R705
R706
R707
R708
R709
R710
R711
R712
R713
R714
R715
R716
R717
R718
R719
R720
R721
R722
R723
R724
R725
R727
R728
R729
R730
R731
R732
R733
R734
R735
R736
R737
R738
R739
R740
R741
R742
R743
R744
R745
R746
R747
R748
R749
R750 R751 R752R753
R756
R757
R758
R759
R760
R761
R762
R763
R764
R765
R766
R767
R768
R769
R770
R771
R772
R773
R774
R775
R776
R777
R778
R779
R780
R781
R782
R783
R8
R823
R824
R825
R826
R827
R828
R829
R51
R54
R20
R21
R22
R48
R49
R13
R14
CN4
IC707
IC4
IC6
IC701
IC703
X702
R15
R30
C729
C736
X701
R31
R32
R33
R34
R35
R36
C784
C2
C5
C1
J215
IC1
Q220
C3
C4
R17
R18
R25
R27
R5
R6
R9
CN1B
Q1
R12
R24
R26
R830
R28
R29
R37
JP108
1V5
8V
BCLK
DATA
GND
LRCLK
MCLK
SPDIF
J220
J1
CD MECHANISM
SWITCH Board
KEY Board
SERVO Board
SKIP Board
USB Board
MAIN Board
TRANSFORMER
AC IN

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NAD C 546BEE Specifications

General IconGeneral
Frequency range5 - 20000 Hz
Audio formats supportedMP3, WMA
Signal-to-Noise Ratio (SNR)118 dB
Total Harmonic Distortion (THD)0.0035 %
CD-R playbackYes
Device typePortable CD player
Product colorGraphite
Channel separation110 dB
Playback disc typesCD-R, CD-RW
Disc types supportedCD-R
Power9 W
Power source typeAC
AC adapter input voltage230 V
Power consumption (standby)0.5 W
USB 2.0 ports quantity1
Package weight6300 g
Weight and Dimensions IconWeight and Dimensions
Depth435 mm
Width307 mm
Height89 mm
Weight4900 g

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