NAD C541i, Service Manual

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20
1 2 3 4 5 6 7 8
9
10 11
M502
TRANSFORMER TOROID
M507 T1.6A 250V M514 T315mA 250V M512 T1A 250V M513 T1A 250V
J801
120V
J802 230V
AC1 CORDEST
1
2
3 4
M810 TLN120A150W3R0
M802
POWER_SW
C800
4700p
FERRITE RING ONLY IN C VERSION
D514
IN4001
D516
IN4001
C543 104K
C541 104K
C501 104K
D515
1N4001
D517
1N4001
C542
104K
C540 104K
Vin
GND
Vout
1
2
3
U507 7808
DGND
C713
0.022u
F1 F2
C529
3300u/16V
C528 104K
C532
104K
C508
1000u/10V
C533
1000u/10V
Vin
GND
Vout
1
2
3
U501 7805
C511
220u/10V
C710
100u/6.3V
D+5V
D+8V
DGND
C560
100u/25V
D508
1N4001
D507
1N4001
C561
100u/16V
D506
1N4001
C510
100u/50V
R520
470R
Q502
2SA950Y
C521
22u/50V
D510 22V 1/2W
C522
47u/35V
D511
5V6 1/2W
R523
47K
R518 470R R517 470R
F2 F1
-VP
C502
104K
C503
104K
D501
1N4001
D502
1N4001
C506
1000u/25V
Vin
GND
Vout
1
2
3
U502 LM317T
C545 104K
DGND
C505
104K
D504
1N4001
D503
1N4001
C504
104K
C507
1000u/25V
C546 104K
R503
2K2
R504
2K2
R501 240R
C539
10nF
C544
10nF
C537
10u/25V C538
10u/25V
R502
240R
C513 10u/25V
C512
10u/25V
AGND
C535 104K C534 104K
A+12V
A-12V
Vin
GND
Vout
1
2
3
U506 7805
D505 3V3
C527
470u/16V
A+5V
C526 104K
C525
1000u/10V
AGND
AGND
(A)
(A)
(A)
(A)
(A)
(A)
(A)
Vin
GND
Vout
1
2
3
U503 LM337T
(A)
K501A RELAY
K501B RELAY
K502A RELAY
K502B RELAY
C514
104K
R510
OPEN
C515 104K
POWER
NOTE:
1. RESIST
ORS,
ARE CARBON FILM 5% 1/8W UNLESS
OTHER
WISE SPECIFIED.
2. CERAMIC CAP
ACIT
ORS,
ARE 50V 10%. UNLESS
OTHER
WISE SPECIFIED.