NAD T 175, Руководство по обслуживанию, Страница: 46 / 102

46
MAIN BOARD-2
0 O H M F O R C E
R 2 0 1 7 & R 2 0 1 8
R 2 0 1 5 & R 2 0 1 6
N .I. F O R C E
1 2 0 6
(+ 5 V for C E )
1
P
9_5
2
P
9_3
3
P
9_2
4
P
9_1
5
P
9_0
6
C
N
VSS
7
P
8_7
8
P
8_6
9
RE
S
E
T
10
XO
U
T
11
VSS
12
XI
N
13
VC
C
14
P
8_5
15
P
8_4
16
P
8_3
17
P
8_2
18
P
8_1
19
P
8_0
20
P
7_7
2 1
P7 _ 6
2 2
P7 _ 5
2 3
P7 _ 4
2 4
P7 _ 3
2 5
P7 _ 2
2 6
P7 _ 1
2 7
P7 _ 0
2 8
P6 _ 7
2 9
P6 _ 6
3 0
P6 _ 5
3 1
P6 _ 4
3 2
P3 _ 7
3 3
P3 _ 6
3 4
P3 _ 5
3 5
P3 _ 4
3 6
P3 _ 3
3 7
P3 _ 2
3 8
P3 _ 1
3 9
P3 _ 0
4 0
P6 _ 3
41
P
6_2
42
P
6_1
43
P
6_0
44
P
2_7
45
P
2_6
46
P
2_5
47
P
2_4
48
P
2_3
49
P
2_2
50
P
2_1
51
P
2_0
52
P
1_7
53
P
1_6
54
P
1_5
55
P
1_4
56
P
1_3
57
P
1_2
58
P
1_1
59
P
1_0
60
P
0_7
6 1 P0_6
6 2 P0_5
6 3 P0_4
6 4 P0_3
6 5 P0_2
6 6 P0_1
6 7 P0_0
6 8 P10_7
6 9 P10_6
7 0 P10_5
7 1 P10_4
7 2 P10_3
7 3 P10_2
7 4 P10_1
7 5 AVSS
7 6 P10_0
7 7 VREF
7 8 AVCC
7 9 P9_7
8 0 P9_6
U 2 0 0 1
M 3 0 2 8 0 F C H P-U 3
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20
J2 0 0 2 A
To K eyboard J2 0 0 2 B
R 2 0 0 1
1 0 0 k C 2 0 5 3
2 2 u
1 6 V
1
2
J2 0 1 2 A
F A ILS A F E
1
PW
2
GN
D
3 4
5
V C C
U 2 0 0 6
A M E 8 5 3 0
R 2 0 0 2
1 0 k
C 2 0 5 2
0 .1 u
5 0 V
V +
N C
O U T
G N D
X 2 0 0 1
N .I.
C 2 0 5 1
1 0 0 0 p
R 2 0 0 3
0
C 2 0 5 0
0 .1 u
5 0 V
C 2 0 4 9
4 7 u
1 6 V
C 2 0 4 8
4 7 u
1 6 V
C 2 0 4 7
0.
1u
50V
R 2 0 0 4
1 0 k
1
2
3
4 5
6
7
8
U 2 0 0 2
A T2 4 C 1 6
C 2 0 4 6
0 .1 u
5 0 V
C 2 0 4 5
1 0 0 0 u
1 0 V
R 2 0 0 5
N .I.
R 2 0 0 6
N .I.
1
2
3
4
5
6
7
8
9
1 0
J2 0 1 3 A
JTA G C on n ector
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 8
J2 0 0 9 A
To C on n # 1 J2 0 0 9 B
L2 0 0 1
1 0 u H
1 1A
2 1B
3 1Y
4 2A
5 2B
6 2Y
7 G ND 8
3 Y
9
3 A
1 0
3 B
1 1
4 Y
1 2
4 A
1 3
4 B
1 4
V C C
U 2 0 0 5
7 4 H C 1 3 2
C 2 0 4 4
1 0 u
1 6 V C 2 0 4 3
0 .1 u
5 0 V
R 2 0 0 7
1 0 0 k R 2 0 0 8
N .I.
R 2 0 1 0
0
D2 0 0 1
LL4 1 4 8
C 2 0 4 2
0 .1 u
5 0 V
R 2 0 1 1
1 k
R 2 0 0 9
1 0 k
R 2 0 1 3 4 .7 k
R 2 0 1 4 4 .7 k
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 8
J2 0 1 1 A
To C on n # 1 J2 0 1 1 B
R 2 0 1 7N .I.
R 2 0 1 8N .I.
R 2 0 1 5 0
R 2 0 1 6 0
R 2 0 1 2
0
1
2
J2 0 1 4 A
V +
N C
O U T
G N D
X 2 0 0 1 A
2 0 M H z
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 1
2 2
2 3
2 4
2 5
2 6
J2 3 0 1 B
TO TR IG G E R J2 3 0 1 A
R 2 0 4 7
1 0 k
R 2 0 4 6
1 0 k R 2 0 4 5
1 0 k R 2 0 4 4
4 .7 k
R 2 0 4 3
1 0 k
R 2 0 4 2
1 0 k
R 2 0 4 10
1 2 3 4 5 6
J2 0 0 5 A
To F ron t In pu t J2 0 0 5 B
1 2 3 4 5 6
J2 0 0 6 A
To F ron t In pu t J2 0 0 6 B
1 2 3 4
J2 0 0 8 A
TO F R O N T IN PU T J2 0 0 8 B
E
C
B
Q 2 0 0 1
DTA 1 1 4 E K A
R 2 0 5 0
2 .2 k R 2 0 5 1
2 .2 k
E
C
B Q 2 0 0 2
DTA 1 1 4 E K A
C 2 0 5 9
0 .1 u C 2 0 5 8
4 7 u
1 6 V
1
PD3
2
PD4
3
GN
D
3
4
V
CC4
5
GN
D
5
6
V
CC6
7
PB
6
8
PB
7
9
PD5
1 0
PD6
1 1
PD7
1 2
PB 0
1 3
PB 1
1 4
PB 2
1 5
PB 3
1 6
PB 4
17
PB
5
18
AVC
C
19
AD
C
6
20
AR
EF
21
GN
D
2
1
22
AD
C
7
23
PC
0
24
PC
1
2 5
PC 2
2 6
PC 3
2 7
PC 4
2 8
PC 5
2 9
PC 6
3 0
PD0
3 1
PD1
3 2
PD2
U 2 0 1 4
A Tm ega4 8
GN
D
O U T IN
U 2 0 1 6
LM 1 1 1 7 - 3 .3
C 2 0 6 3
4 7 u
1 6 V C 2 0 6 4
0 .1 u C 2 0 6 6
0 .1 u C 2 0 6 5
4 7 u
1 6 V
C 2 0 5 6
4 7 u
1 6 V C 2 0 5 7
0 .1 u C 2 0 5 5
0 .1 u
C 2 0 5 4
4 7 u
1 6 V
R 2 0 4 0 N .I.
R 2 0 3 9 N .I.
1
1 A
2
1 B
3
1 Y
4
2 A
5
2 B
6
2 Y
7
G N D
8
3 Y
9
3 A
1 0
3 B
1 1
4 Y
1 2
4 A
1 3
4 B
1 4
V C C
U 2 0 1 5
7 4 H C 0 0
C 2 0 6 2
0 .1 u C 2 0 6 1
4 7 u
1 6 V
R 2 0 5 2
0
1
2
3
4
5
6
J2 0 1 7 A
IS P H eader
E
C
B Q 2 0 1 1
DTC 1 1 4 E K A
E
C
B Q 2 0 1 0
DTC 1 1 4 E K A
E
C
B
Q 2 0 0 9
DTC 1 1 4 E K A
E
C
B
Q 2 0 0 8
DTC 1 1 4 E K A
R 2 0 3 5
2 .2 k R 2 0 3 6
2 .2 k
R 2 0 3 8
2 .2 k R 2 0 3 7
2 .2 k
R 2 0 5 4 N .I.
C 2 0 6 7
0 .1 u
5 0 V
1
2
3
J2 0 1 6 A
To Tu n er
R 2 0 5 5
1 k
R 2 0 5 6 1 k
DG N D
+ 5 V _ K + 5 V _ K + 5 V _ K
DG N D DG N D DG N D
+ 5 V _ K
+ 5 V _ K
DG N D DG N D DG N D DG N D
+ 5 V _ K
DG N D
M C U
IR
_
F
IR
_
F
IR
_
R
EN02
EN01
EN01 EN02 VFD
_
C
L
K
V
F
D_
DA
T
A
VFD
_
C
S
4094_S
T
B
KEY
00
KEY
01
KEY
02
KEY
03
RD
S
_
CL
K
RD
S
_
D
A
T
A
D
A
B/
XM
_
R
XD
+ 5 V _ K
CE
S
P
I0_CL
K_5V
S
P
I0_S
CS
_5V
IN
T
_5V
+ 5 V _ K
DG N D
EE_SC
L
EE_SD
A
+ 5 V _ K
DG N D
DG N D
+ 5 V _ K+ 3 9 VA C 4 .8 V 1A C 4 .8 V 2
VFD
_
C
S
VFD
_
C
L
K
V
F
D_
DA
T
A
EN01 EN02
4094_S
T
B
KEY
00
KEY
01
KEY
02
KEY
03
IR
_
F
DG
N
D
+5
V
_
K
+
39V
A
C
4.
8V
1
A
C
4.
8V
2
+ 1 2 V _ D+ 5 V _ K
DG N D
DG N D
+ 5 V _ K
DG N D
+ 5 V _ K
IR _ F
IR _ F
+ 5 V _ K
DG N D
AU
T
O
/
O
FF
15205_D
A
T
A
_A
15205_D
A
T
A
_B
P
LL_
D
I
S
P
I0_ENA
_5V
VFD
_
R
ST
4 0 9 4 (6 )_ S TB
4 0 9 4 (5 )_ S TB
4 0 9 4 (1 )_ DA TA
4 0 9 4 (1 )_ C LK
S TE R E O
TU N E D
PLL_ DO
PLL_ DI
R DS _ C LK
R DS _ DA TA
S TE R E O
TU N E D
PLL_ DO
PLL_ DI
+ 5 V _ V
A U TO /O F F
2 3 2 _ TX D
2 3 2 _ R X D
DA B /X M _ TX D
V F D_ C LK
V F D_ C S
V F D_ DA TA
PLL_ C LK
S TE R E O
TU N E D
PLL_ DO
R TS 1
C LK 1
2 3 2 _ R X D
2 3 2 _ TX D
PG 1 0 _ S DA
PG 1 0 _ S C L
H P_ DE T
M IC _ B IA S
K E Y0 3
K E Y0 2
K E Y0 1
K E Y0 0
TR IG _ O U T_ 3
TR IG _ O U T_ 2
TR IG _ O U T_ 1
TR IG _ IN
S PI0 _ S O M I_ 5 V
S PI0 _ S IM O _ 5 V
DG N D
+ 5 V _ K + 1 3 V
P
O
WE
R
_
D
O
WN
VFD
_
R
ST
IN T_ 5 V
S PI0 _ E N A _ 5 V
S PI0 _ S C S _ 5 V
S PI0 _ C LK _ 5 V
S PI0 _ S IM O _ 5 V
DG N D
DG N D
+ 5 V _ K
+ 5 V _ K
DG N D_ V
VFD
_
R
ST
+ 5 V _ K
+ 5 V _ K
+ 5 V _ K
R TS 1
C LK 1
2 3 2 _ R X D
C E
DG N D
2 3 2 _ TX D
R TS 1
+ 5 V _ K
C LK 1
2 3 2 _ R X D
C E
DG N D
R E S E T
C N V S S
2 3 2 _ TX D
+ 5 V _ K
DG N D
4 0 9 4 (6 )_ S TB
4 0 9 4 (5 )_ S TB
4 0 9 4 (1 )_ DA TA
4 0 9 4 (1 )_ C LK
V 6 _ O PT
DA B _ IN
S PI0 _ S IM O _ 5 V
DS P_ S PI0 _ S O M I_ 5 V
S PI0 _ C LK _ 5 V
S PI0 _ S C S _ 5 V
S PI0 _ E N A _ 5 V
IN T_ 5 V
C V B S _ V 6 _ IN
S _ V 6 _ IN _ Y
S _ V 6 _ IN _ C
DG N D_ V
H P_ L
H P_ R
A G N D
A G N D
M IC _ B IA S
H P_ DE T
+ 1 2 V _ A -1 2 V _ A
7 8 2 1 1 /PLL_ C E
X M _ PW R
X M _ PW R
4 0 9 4 (2 )_ S TB
4 0 9 4 (2 )_ S TB
4 0 9 4 (3 )_ S TB
4 0 9 4 (3 )_ S TB
A N T_ R E V
L
IN
K
AC
T
IVE
A N T_ R E V
LIN K A C TIV E
A N T_ R E V
LIN K A C TIV E
DA B /X M _ TX D
DA B /X M _ R X D
DA B /X M _ TX D
DA B /X M _ R X D
DA B /X M _ TX D
DA B /X M _ R X D
1 5 2 0 5 _ DA TA _ A
7 8 2 1 1 /PLL_ C E
1 5 2 0 5 _ DA TA _ B
PLL_ C LK
4 0 9 4 (4 )_ S TB
4 0 9 4 (4 )_ S TB
PLL_ C LK
1 5 2 0 5 _ DA TA _ B
7 8 2 1 1 /PLL_ C E
1 5 2 0 5 _ DA TA _ A
X M _ TX D
X M _ R X D
PG 1 0 _ S C L
PG 1 0 _ S DA
DG N D
$ $ $ 3 2 0 8 6
$ $ $ 3 2 3 2 4
DA B _ IN
A U TO /O F F
2 3 2 _ TX D
2 3 2 _ R X D
X M _ PW R
IR _ O _ 1
IR _ O _ 2
IR _ O _ 2
DG N D
+ 5 V _ K + 5 V _ K
+ 5 V _ K
+ 5 V _ K
+ 5 V _ K
V
6_O
P
T
+
5
V_
V6
HP
_D
ET
MI
C
_
B
IA
S
+
12V
_A
-
12V
_A
S_
V6
_
IN
_
Y
S_
V6
_
IN
_
C
CV
B
S
_V
6_I
N
DG N D_ V
A G N D
DG
N
D_
V
DG
N
D_
V
DG
N
D_
V
+ 5 V _ V
4094(
1)
_D
A
T
A
4094(
1)
_CL
K
4094(
2)
_S
T
B
4094(
4)
_S
T
B
4094(
6)
_S
T
B
4094(
5)
_S
T
B
4 0 9 4 (3 )_ S TB
4 0 9 4 _ S TB
PG 1 0 _ S C L
PG 1 0 _ S DA
HP
_R
AG
N
D
HP
_L
AG
N
D
DG N D
+ 5 V _ K + 5 V _ K
DG N D
4 0 9 4 (1 )_ C LK 4 0 9 4 (1 )_ DA TA
4 0 9 4 (1 )_ C LK _ V O L 4 0 9 4 (1 )_ DA TA _ V O L
4 0 9 4 (1 )_ C LK _ V O L
4 0 9 4 (1 )_ DA TA _ V O L
4 0 9 4 (1 )_ C LK _ V O L
4 0 9 4 (1 )_ DA TA _ V O L
TR IG _ IN
IR _ R _ M IX
TR IG _ IN
TR IG _ O U T_ 1
TR IG _ O U T_ 2
TR IG _ O U T_ 3
TR IG _ O U T_ 1
TR IG _ O U T_ 2
TR IG _ O U T_ 3
DG N D
PO W E R _ O N
+ 5 V _ V
+ 5 .3 V
+ 5 .3 V
+ 5 V _ K
+ 1 2 V _ D
IR _ R
IR _ R
DG N D
DG N D DG N D
+ 5 V _ K
+ 5 V _ K + 3 V 3 _ K
DG N D DG N D DG N D DG N D DG N D
+ 5 V _ K + 5 V _ K
DG N D DG N D
DG N D DG N D
M _ R S T
A TM E G A _ R S T
C N V S S
O S C _ C LK
+ 5 V _ K
DG N D
S PI0 _ C LK _ 5 V
DG N D
S PI0 _ S IM O _ 5 V
P8 0
DS P_ S PI0 _ S O M I_ 5 V
A TM E G A _ S O M I
A TM E G A _ S O M I
P8 0
S PI0 _ S C S _ 5 V
S PI0 _ S O M I_ 5 V
DG N D
DG N D
A TM E G A _ S O M I
+ 5 V _ K
S PI0 _ C LK _ 5 V
S PI0 _ S IM O _ 5 V
R E S E T
DG N D
IPO D_ TX D_ 3 V 3
IPO D_ R X D_ 3 V 3
P8 0
A TM E G A _ R S T
DS P_ S PI0 _ S O M I_ 5 V
M_
R
S
T
O
S
C_CL
K
DG N D
+ 5 V _ K + 5 V _ K
DG N D
IPO D_ TX D_ 3 V 3
IPO D_ TX D_ 5 V
DG N D
+ 3 V 3 _ K + 3 V 3 _ K
DG N D
IPO D_ R X D_ 5 V
IPO D_ R X D_ 3 V 3
R DS _ DA TA 1
R DS _ C LK
DG N D
R DS _ DA TA