NAD M22 Service Manual page 13

2.AMP VM1.0
+14 . 5V
D500
GREEN RED
Q501
R504
DTC114EKA b
10K
17- 01001- 12
GND GND
J500
RCA 2 3
T500
C558
100P
1 4
I NPUT
C569
J502
100n
C500 1 4
100P
T501
GND
XLR3F
C512 2 3
100P
GND
R587
4.7 MEG
GND
5V
C525
220U/10V
5V
GND
Q503 Q504
S ource S 500 2SA1015 2SA1015
R556
BAL SE 7 8
10K
RL500C
R564
Q505
C531
6K8
10U 2SC1815
Q506
2SC1815
GND GND
GND
R575
10U
6K8
C534
Q502
DTC114EKA
2
R506
1 3
100R
3 1
2
RL500A
U500A
LME49720
C501
2K43
220P
R520
R522
GND GND
100R
GND
C509
2K43
220P R527
U500B
6 LME49720
6 7
R536
4 5
100R
5
RL500B
C516
100nZ
GND
5V
C520
100nZ
C521
U504C
U500C U502C
1U
MCP6002
LME49720 TL072
GND
C524
R546 R547
2.2MEG 680K
10n
2
C526
R552
1
10K
3
U504A
1U
R557
MCP6002
C529
R558 R559
10K
2.2MEG 680K
C530
10n 10U
GND
3 2
+17 . 5V 3R3 IN OUT +14 . 5V
U505
R572
LM317M
R576
309R
C532
R577
C533 3K24
100U/ 25V
100nZ
C538 C539 C540
10U/ 25V 100nZ 10U/ 25V
GND
C543
C547 C548
10U/ 25V 100nZ 10U/ 25V
C551 R580
C552 3K24
100U/ 25V
100nZ
316R
R581
U506
2 LM337M
-17 5V 3R3 IN OUT -14 5V
. .
3
R582
R507
12K 4K75
R508
4K75 47K R509
2
R510
R512
3
10K 220K
R514 U501A
10K R515
R518 C502 LME49720
10K
C503
C504 1U
6
10U/16V
100N
2 2 7
TL072 GND TL072 GND
5
1 C505
C506 U502B
3 10U/16V
U502A 100N C508
1U U501B
R528
5 LME49720
10K 220K
R533
6
R534 R535
4K75 47K R537
12K 4K75
R538
R540
+14 5V
. 4K12
TP2 GND
C514 10U/ 10V
C515
100U/ 25V C556
100nZ
U503A
GND
3
OPA2134 bi as
R542
C517 1
C519 .
VCL + m2 2 6 2 v 5k
100U/ 25V 2
.
100nZ m2 7 6 5 v
-14 5V
.
D519
R544 R545 R593
4v7
10K2 4K7
10K2 10K2
U504B
R548 R549
5 MCP60 0 2
7 6 GND
6 7
VCL
-
5
R553 GND
330K
U503B
OPA2134
R560
100k 5V
R562
100k GND
C555
R550
5K6
10U/ 25V
L501
VPPi
744302015
C541
L502
JP500
10N 250V
5VS 5V
GNDC
BMB2A0600RS2 COPPER BAR
C544 C571
C549
10U/ 10V 10U/ 10V
10N 250V
744302015
VPNi
GND GND GND L503
10U/ 10V
C545
13
D516
Q508
c e
10K c e +14 . 5V
R590
1SS 352
Over cur re nt in di cat i on
D502
c e
10K c e +14 . 5V
R503
1 S S 352
DTA114
Q500
D503
DTA114
1K
R505
1SS 352
INC
R588
VCL+
10R
P500
C567
1 VPP
VPP 1 2
GND GND
3 4
L504
GND
1U/ 25V GND 5 6
VPN
GND
R519 7 8
NC +14 . 5V VPN
VDR- 9 10
VDR
U501C VDR+ 11 12
L505
OUTC
13 14
LME49720
OUTC
R583 15 16
NC -14 . 5V C553 GND FBC
17 18
C568 10N 200v C510 FBH
19 20
GND C554 10U/ 25V
OUTH
21 22
7 1U/ 25V 10N 200vGNDGND
OUTH
23 24
R589 VS N
10R VCL- -14.5V 25 26
GND
GND 27 28
INH INH
29 30
OPT
31 32
CLIP
10K 33 34
R539 S DA/RDY
R595 35 36
1K
AMP MODULE
R541
10R +14 5V .
D518
4v7
C518
C557
47U/ 25V
100nZ
D515 P502
OPA2134
GND GND
U503C NC
GNDC 35 36
C522 33 34
C523 47U/ 25V R565 31 32
100nZ
GND NC 29 30
27 28
R551 25 26
10R -14 5V VPPi 23 24
.
21 22
VPNi 19 20
17 18
VDR- 15 16
+17 5 -17 5V
. V .
VDR+ 13 14
11 12
L507
9 10
IIC add L506
7 8
S CL
R561
5 6
0R
S DA R563
0R 3 4
GPO0
1 2
TO Mother board
R570
VCLIP
0R
AudioS
0R
R571
VPP
C542
C535 C559 C560 C561
330n/ 200V
100U/ 100V 100U/ 100V 100U/ 100V 100U/ 100V
GND
C550
C546 C562 C563 C564
330n/ 200V
100U/ 100V 100U/ 100V 100U/ 100V 100U/ 100V
VPN
VPP
VPP
GND GND
GND
GND
VPN
VPN
NC
22- 01626- 00
OUTC CN501
OUTC
1
C507 S P-
OUTC
OUTC 10N 2 00V
GND
OUTH C511
10N 2 00V CN502
OUTH
1
OUTH S P+
OUTH
VS P
+14 . 5V
NC
C513
I NC
nAMPON
10U/ 25V
S CPIND
S CL/nFAL GND
XM500 XM501
HOLE HOLE
GNDC
VPPi D504 D506
1SS 352 1SS 352
D505 D507
VPNi 1SS 352 1SS 352
R554 R555
100R 100R
GNDC
C527
GND C528
22N GND
22N
5VS
XM502 XM503
R566
GPO1 HOLE HOLE
NC
GPI
NC
R567
D508 D510
1SS 352 1SS 352
D509 D511
1SS 352 1SS 352
R578 R579
100R 100R
C536 C537
GND GND
22N 22N
XM533 XM534
HOLE HOLE
D5 0 1 D512
1SS 352 1SS 352
D513 D514
1SS 352 1SS 352
R501 R584
100R 100R
C565 C566
GND GND
22N 22N