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C530
NA
D
EL
EC
TR
ON
IC
C
7
2
5
BEE AC
O
U
TPU
T
BO
AR
D
Vm
1
.0
NA
D
E
L
E
C
TRO
NI
C
AC O
U
TPUT
C
O
PYR
IG
H
T
C
2008
T
2A
L/250V
f
or
230V
m
ains
COP
Y
R
IGHT
C
2
0
0
8
NAD
ELECTRONIC
S
T
4AL/
2
50
V
f
or
120V m
a
ins
POT
BOARD
V
m
1.0
NAD C
7
2
5
B
E
E
D532
IC51
C53
J506
J504
D531
COP
Y
R
IGHT
C
2
0
0
8
R
568
CB31
D5
3
RT
3
3
C554
H504
IC52
C553
Q58
C549
C5
5
(DGND)
J505
C54
Q520
Q519
Q518
R
567
(+39V)
J503
D5
2
R563
C52
NAD
POT PCB
J515
C
550
R
562
J502
D
538
To Transformer
CB52
D536
YELLO
BLACK
BLUE
YELLO
(DGND)
J514
+5.8V
J508
J
513
C552
J516
IC55
H503
R578
C551
R
577
C
555
CB59
To KEY Board
VFD 1
+39V
DGND
VFD 2
+5.8V
Standby
Q510
R
532
R
569
C523
Tran. Pro.
R
533
R544
R534
To Main board
CB54
-46V
D54
R
558
CB51
To Transformer
Q517
R561
D55
BLUE
C524
C51
J
509
D56
Q59
J507
D51
Q522
N
A
D
C725BEE P
O
W
ER B
O
A
R
D
Vm
1.0
(G
ND)
C517
H501
R531
CB
5
3
GND
+46V
GND
D
513
+12V
+37V
-37V
DGND
F51
R
575
C
544
R
574
R
570
R
571
IC53
To Thansformer
230V
D533
J512
D5
7
CB57
C539
RL51
S715
C
7
2
5
B
EE
S
T
A
N
D
B
Y
Vm
1
.0
R744
R717
D707
R
718
C
Z
710
R
566
R
559
C518
R
564
R
565
R
560
H502
C536
Version
C545
D59
L52
+5
.8
V
12OV
C533
T51
STANDBY PCB
C725BEE POWER+POT+AC STANDBY PCB
AC OUTLET PCB
CZ58
C
546
R
572
C534
J501
D58
C
530
To AC Outlet
CB58
C531
POWER PCB
D510
L51
J
511
C535
C56
CB56
To Power Swicth
To
A
C
Co
rd
CB55
Содержание C 725BEE
Страница 1: ...NAD SERVICE MANUAL C 725BEE STEREO RECEIVER C 725BEE STEREO RECEIVER ...
Страница 12: ...CD4094 KEYBOARD IC707 IC711 MAINBOARD IC32 ...
Страница 17: ...TC9164 MAINBOARD IC31 PIN CONNECTION BLOCK DIAGRAM ...
Страница 18: ...TNY274 POWERBOARD IC51 PIN CONNECTION BLOCK DIAGRAM ...
Страница 28: ...BOTTOMLAYER POWER FOR DAB GND CZ704 CZ705 CZ702 CZ701 CZ711 TRANS PRO DET 5V5 STANDBY 39V GND GND CB710 ...
Страница 50: ...SERVICE MANUAL NAD 2008 C 725BEE STEREO RECEIVER NAD ELECTRONICS LTD TORONTO ...