NAD M2 AH, Руководство по обслуживанию

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J205
RCA1-BK
J200
RCA1-BK
J202
XLR3F
C200
1u
R200
1M
R242
100k
R222
332R
R259
56K2F
C244
180pJ
C201
1u
R201
1M
R260
56K2F
C204
1u
R204
1M
R263
56K2F
C205
1u
R205
1M
R264
56K2F
AGND
AGND
AGND
J201
XLR3F
C202
1u
R202
1M
R261
56K2F
C203
1u
R203
1M
R262
56K2F
AGND
AGND
+
+
-
-
2
3
1
U202A
LM4562
6
5
7
U202B
LM4562
R246
274R
R257
549R
R247
274R
R243
100k
R223
332R
C245
180pJ
agnd
R240
100k
R220
332R
C242
180pJ
2
3
1
U201A
LM4562
6
5
7
U201B
LM4562
R244
274R
R256
549R
R245
274R
R241
100k
R221
332R
C243
180pJ
agnd
L
L
R
R
1
vcom
2
8
5
4
U203A
OPA1632
C239
2n2
C240
2n2
C250
2n7
R231
274R
R232
137R
R250
41R2
R251
41R2
R235
137R
R219
1K 1%
agnd
6
5
7
U204B
OPA227
R238
499R
R230
274R
agnd
1
vinR-
2
vinR+
3
vcc1
4
agnd
5
agnd
6
agnd
7
agnd
8
vcc2
9
vinL-
10
vinL+
11
agnd
12
vc
om
L
13
re
fgndL
14
vre
fL
15
p
cmen
16
hpfdr
17
hpfdL
18
fs0
19
fs1
20
df
21
dsde
n
22
m
ode
n
23
dsdm
ode
24
mck o
25
wck o
26
dsdclk
27
dsdR
28
dsdL
29
dgnd
30
vdd
31
data
32
bck
33
LRck
34
mck i
35
/rst
36
ovfL
37
ovfR
38
s/m
39
dgnd
40
ow
l1
41
ow
l0
42
fm
t1
43
fm
t0
44
dgnd
45
vre
fR
46
re
fgndR
47
vc
om
R
48
U206
PCM4222
agnd
agnd
agnd
AGND
AGND
vinR+
vinR-
vinL+
vinL-
vinL-
vinL+
C257
100u/6V3
C255
100u/6V3
C231
100n
C234
100n
C230
100n
C233
100n
vcomR
vcomL
agnd
agnd
adrsta
adfs0a
adfs1a
C256
22U/6V3
C232
100n
C258
22U/6V3
C259
1N
AGND
C251
100n
admcka
admcka
adLRa
adbka
addata
admck2
ADJ
1
OUT
2
IN
3
O
4
U208
ASM1117-ADJ
R265
243RF
R266
536R
C248
22u/6V3
C254
10U/25V
C260
100uF/6.3V
agnd
D214
S1GM4
vap
adLRa
adbka
addata
AGND
admck2
R258
10k
adfs0a
adfs1a
adrsta
C241
100n
AGND
AGND
R254
133R
R234
274R
R239
499R
R233
274R
R255
133R
1
vcom
2
8
5
4
U205A
OPA1632
C237
2n2
C238
2n2
C249
2n7
R225
274R
R226
137R
R248
41R2
R249
41R2
R229
137R
R218
1K 1%
2
3
1
U204A
OPA227
agnd
R228
274R
R208
4k7
R
213
4k7
R236
499R
R224
274R
R252
133R
R237
499R
R227
274R
R253
133R
3
6
U203B
OPA1632
3
6
U205B
OPA1632
8
4
U202C
LM4562
8
4
U204C
OPA227
8
4
U201C
LM4562
+15v
-15v
C222
100n
C227
100n
C221
100n
C220
100n
C219
100n
C218
100n
C223
100n
C224
100n
C225
100n
C226
100n
agnd
1
3
2
RL201A
4
6
5 RL201B
1
3
2
RL202A
4
6
5
RL202B IPL+
IPL-
IPR+
IPR-
IPL
IPR
1
3
2
RL206A
4
6
5 RL206B
1
3
2
RL203A
4
6
5
RL203B
C229
2.2u
C228
2.2u
1
3
2
RL205A
4
6
5 RL205B
1
3
2
RL204A
4
6
5
RL204B
IPL+
IPL-
IPR+
IPR-
IPL
IPR
C252
100n
C253
100n
VADC
VADC
VADC
agnd
agnd
VADC
1
2
3
4
5
6
J204
FROM POWER BOARD
+18v
-18v
agnd
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20
J206
from dsp board
admck adadbck adadLR adaddat
adadfs0 adadfs1 adadrst
AGND
adsa1a ads6a ads9a
adadrst
adadfs1
adadfs0
Q
201
2SC1815
C207
10N
7
8
RL202C
D201
1N4148
C213
100P
AGND
a
dsa
1a
5VR
R209
4k7
R
214
4k7
Q
202
2SC1815
C208
10N
7
8
RL203C
D202
1N4148
C214
100P
AGND
a
ds6a
5VR
R210
4k7
R
215
4k7
Q
203
2SC1815
C209
10N
7
8
RL204C
D203
1N4148
C215
100P
AGND
a
ds6a
5VR
R211
4k7
R
216
4k7
Q
204
2SC1815
C210
10N
7
8
RL205C
D204
1N4148
C216
100P
AGND
a
ds9a
5VR
R206
4k7
R
207
4k7
Q
200
2SC1815
C206
10N
7
8
RL201C
D200
1N4148
C212
100P
AGND
a
dsa
1a
5VR
R212
4k7
R
217
4k7
Q
205
2SC1815
C211
10N
7
8
RL206C
D205
1N4148
C217
100P
AGND
a
ds9a
5VR
admck
adadbck
adadLR
adaddat
sv33
sv33
sv33
AGND
AGND agnd AGND
sv33
AGND
D206
BAT54S D207
BAT54S
D209
BAT54S D208
BAT54S
C261
10u/25
C274
100uF/6.3V
agnd
1CLR
1
1D
2
1CLK
3
1PRE
4
1Q
5
1Q
6
GND
7
2Q
8
2Q
9
2PRE
10
2CLK
11
2D
12
2CLR
13
VCC
14
U210
SN74LVC74APW
C264
100n
AGND
sv33
AGND
AGND
R269
82R
R270
82R
R271
82R
agnd agnd
C275
33P
AGND
R288
100R
AGND
D219
1SS352
D220
1SS352
AGND AGND
R275
200/1% MF
R278
200/1% MF
R276
2k1/1% MF
R277
2k1/1% MF
IN
U211
LM317M
IN
U212
LM337M
C272
10U/25V
C273
4.7U/50V
C266
4.7UF/50V
C267
10U/25V
D215
1N4148
D216
1N4148
C271
10uF/25V
C270
10uF/25V
C269
330uF/25V
C268
330uF/25V
+18v
-18v
agnd
+15v
-15v
H1
HEATSINK
H2
HEATSINK
R279 100R
R281
100R R280
100R
R282
82R
R283
100R
R284
100R
R285
100R
Q206
DTC114 Q207
DTC114
agnd
D218
OverL D217
OverR
R
286 820
R
287 820
C265
33P
AGND
R272
100R
AGND
D210
1SS352
D211
1SS352
AGND AGND
TPG21 TPG22 TPG23
C276
100u/25
addC276 100u/25V cd284
addfa
addfa
addf1
R289A
120R
R289B
120R
R289C
120R
R289D
120R
addf1
TR
1
GND
2
OUT
3
VDD
4
U209
24.576M
L201
10u
AGND AGND
a1
1
gnd
2
a2
3
y2
4
vcc
5
y1
6
U207
NC7WZ17
a1
1
gnd
2
a2
3
y2
4
vcc
5
y1
6
U215
NC7WZ16
a1
1
gnd
2
a2
3
y2
4
vcc
5
y1
6
U216
NC7WZ16
a1
1
gnd
2
a2
3
y2
4
vcc
5
y1
6
U213
NC7WZ17
a1
1
gnd
2
a2
3
y2
4
vcc
5
y1
6
U214
NC7WZ17
sv33
sv33
sv33
sv33
AGND
AGND
C277
100n
C278
100n
C279
100n
sv33
sv33
sv33
AGND
AGND
L202
10u
C283
10U/10V
VCC12a Vin
1
GND
2
Vout
3
U217 LM7805CT
C282
22u/25
C281
22u/25
agnd
5VR
C235
100u/25
C236
100u/25
VCC12a
C247
22u/6V3
G
1
OUT
2
IN
3
O
4
U218
ASM1117-33
C246
100n
sv33
5VR
agnd
C284
10U/25V
C285
10U/25V
AGND
R268
NC
R267
10K
AGND
sv33
SCHEMATICS DIAGRAM C
10