![NAD T755 Скачать руководство пользователя страница 46](http://html.mh-extra.com/html/nad/t755/t755_service-manual_703160046.webp)
46
MAIN BOARD-4
R 2 0 1 7 , R 2 0 1 8 : N .I.
R 2 0 1 5 , R 2 0 1 6 : 0 oh m
F O R U L V E R S IO N :
1 2 0 6
0 oh m for T7 6 5
R 2 0 4 5 w h ich is 0 oh m .
C om pon en t in box are N .I. for T7 6 5 (except
1
2
3
4
J2 0 0 8 A
TO PS U -S TA N DB Y J2 0 0 8 B
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
J2 0 0 3 A
TO DS P J2 0 0 3 B
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
J2 0 0 4 A
TO DS P J2 0 0 4 B
1
2
J2 0 1 4 A
R 2 0 1 2
0
R 2 0 1 6
N .I.
R 2 0 1 5
N .I.
R 2 0 1 8
0
R 2 0 1 7
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J2 0 0 5 A
To F -IN PU T J2 0 0 5 B
R 2 0 1 4
4 .7 k
R 2 0 1 3
4 .7 k
R 2 0 0 9
1 0 k
R 2 0 1 1
1 k
C 2 0 1 8
0 .1 u
5 0 V
D2 0 0 1
LL4 1 4 8
R 2 0 1 0
0
R 2 0 0 8
N .I.
R 2 0 0 7
1 0 0 k
C 2 0 1 0
0 .1 u
C 2 0 0 9
1 0 u
1 6 V
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 0 5
7 4 H C 1 3 2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J2 0 0 1 A
To S U R R A M P J2 0 0 1 B
1
2
3
4
5
6
7
8
9
1 0
J2 0 1 3 A
JTA G C on n ector
R 2 0 0 6 N .I.
R 2 0 0 5 N .I.
C 2 0 0 8
1 0 0 0 u
1 0 V
C 2 0 0 7
0 .1 u
1
2
3
4
5
6
7
8
U 2 0 0 2
A T2 4 C 1 6
R 2 0 0 4
1 0 k
C 2 0 0 6
0 .1 u
C 2 0 0 5
4 7 u
1 6 V
C 2 0 0 4
4 7 u
1 6 V
C 2 0 0 3
0 .1 u
R 2 0 0 3
0
C 2 0 1 7
1 0 0 0 p
V +
N C
O U T
G N D
X 2 0 0 1
N .I.
C 2 0 0 2
0 .1 u
R 2 0 0 2
1 0 k
1
PW
2
GN
D
3
4
5
V C C
U 2 0 0 6
TPS 3 8 2 5 -5 0
1
2
J2 0 1 2 A
F A ILS A F E
C 2 0 0 1
2 2 u
1 6 V
R 2 0 0 1
1 0 0 k
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
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
P1 0 _ 7
6 9
P1 0 _ 6
7 0
P1 0 _ 5
7 1
P1 0 _ 4
7 2
P1 0 _ 3
7 3
P1 0 _ 2
7 4
P1 0 _ 1
7 5
A V S S
7 6
P1 0 _ 0
7 7
V R E F
7 8
A V C C
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
N C
G N D
O U T
V +
X 2 0 0 1 A
2 0 M H z
R 2 0 2 4
0
R 2 0 1 9
1 0 k
R 2 0 2 5
1 0 k
R 2 0 2 3
1 0 k
C 2 0 1 9
0 .1 u
Q 2 0 0 1
DTA 1 1 4 E K A
R 2 0 2 6
2 .2 k
R 2 0 2 7
2 .2 k
Q 2 0 0 2
DTA 1 1 4 E K A
Q 2 0 0 4
DTA 1 1 4 E K A
R 2 0 2 9
2 .2 k
R 2 0 2 8
2 .2 k
Q 2 0 0 3
DTA 1 1 4 E K A
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 0 0 7 A
TO TR IG G E R J2 0 0 7 B
R 2 0 3 1
1 0 k
R 2 0 3 2
1 k
C 2 0 2 0
1 u
5 0 V
R 2 0 4 5
N .I.
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
C 2 0 3 2
0 .1 u
C 2 0 3 1
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 0 7
A Tm ega4 8
GN
D
O U T
IN
U 2 0 0 8
LM 1 1 1 7 - 3 .3
C 2 0 2 1
4 7 u
1 6 V
C 2 0 2 2
0 .1 u
C 2 0 2 3
0 .1 u
C 2 0 2 4
4 7 u
1 6 V
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
C 2 0 2 7
4 7 u
1 6 V
C 2 0 2 8
0 .1 u
C 2 0 2 6
0 .1 u
C 2 0 2 5
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 0 9
7 4 H C 0 0
C 2 0 3 0
0 .1 u
C 2 0 2 9
4 7 u
1 6 V
R 2 0 4 1
0
1
2
3
4
5
6
J2 0 1 5 A
IS P H eader
R 2 0 3 3
1 0 k
1
2
3
4
5
6
J2 0 0 6 A
To F -IN PU T J2 0 0 6 B
Q 2 0 1 2
T3 9 0 4
Q 2 0 1 3
DTC 1 1 4 E K A
R 2 0 4 3
4 .7 k
R 2 0 4 4
4 .7 k
1
2
3
4
5
6
7
8
J2 0 0 9 A
TO F -IN PU T J2 0 0 9 B
PO W E R _ O N
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
4 0 9 4 (5 )_ S TB
4 0 9 4 (6 )_ S TB
LIN K A C TIV E
A N T_ R E V
DA B _ IN
DA B /X M _ R X D
DA B /X M _ TX D
X M _ R X D
X M _ TX D
M IC
M P3 _ R
M P3 _ L
V 6 _ R
V 6 _ L
H P_ R
H P_ L
X M _ R X D
X M _ TX D
VG
N
D
-
12V
_A
+
12V
_A
MI
C
_
B
IA
S
HP
_D
ET
V
6_V
VG
N
D
V
6_C
VG
N
D
V
6_Y
+5
V
_
V
V
6_O
P
T
DG N D
+ 5 V _ K
IR _ O _ 2
IR _ F
IR _ R _ M IX
2 3 2 _ TX D
C N V S S
R E S E T
DG N D
C E
2 3 2 _ R X D
C LK 1
+ 5 V _ K
R TS 1
VFD
_
R
ST
A
C
4.
8V
2
A
C
4.
8V
1
+
39V
+5
V
_
K
DG
N
D
IR
_
F
KEY
0
3
KEY
0
2
KEY
0
1
KEY
0
0
4094_S
T
B
EN02
EN01
V
F
D_
DA
T
A
VFD
_
C
L
K
VF
D
_
C
S
P
O
WE
R
_
D
O
WN
EE_SD
A
EE_SC
L
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
4 0 9 4 (5 )_ S TB
4 0 9 4 (6 )_ S TB
LIN K A C TIV E
A N T_ R E V
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
L
IN
K
AC
T
IVE
A N T_ R E V
X M _ PW R
H P_ DE T
2 3 2 _ TX D
C E
2 3 2 _ R X D
C LK 1
R TS 1
VFD
_
R
ST
S PI0 _ S IM O _ 5 V
S PI0 _ S O M I_ 5 V
TR IG _ IN
TR IG _ O U T_ 1
TR IG _ O U T_ 2
TR IG _ O U T_ 3
K E Y0 0
K E Y0 1
K E Y0 2
K E Y0 3
M IC _ B IA S
PO W E R _ O N
H P_ DE T
S _ C LIP_ IN D
2 3 2 _ TX D
2 3 2 _ R X D
C LK 1
R TS 1
V F D_ DA TA
V F D_ C S
V F D_ C LK
DA B /X M _ TX D
VFD
_
R
ST
S
P
I0_ENA
_5V
AU
T
O
/
O
FF
OV
L
D
_
P
R
O
TH
M
_
P
R
O
IN
T
_5V
S
P
I0_S
CS
_5V
S
P
I0_CL
K_5V
CE
D
A
B/
XM
_
R
XD
KEY
03
KEY
02
KEY
01
KEY
00
4094_S
T
B
VFD
_
C
S
V
F
D_
DA
T
A
VFD
_
C
L
K
EN02
EN01
EN01
EN02
IR
_
F
IR
_
F
DG N D
+ 1 2 .3 V
A G N D
V
6_C
V
6_Y
V
6_V
+ 1 5 V
A G N D
A G N D
-1 2 V _ A+ 1 2 V _ A
V G N D
+ 1 3 V
DG N D
+ 5 V _ K
+ 5 V _ K
+ 5 V _ K
+ 1 3 V
+ 5 V _ K
DG N D
IR _ F
+ 5 V _ K
DG N D
+ 5 V _ K
DG N D
DG N D
+ 5 V _ K
+ 1 2 V _ D
DG N D
+ 1 2 V _ D
A C 4 .8 V 2
A C 4 .8 V 1
+ 3 9 V
+ 5 V _ K
DG N D
DG N D
+ 5 V _ K
+ 5 V _ K
DG N D
+ 5 V _ K
+ 5 V _ 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
+ 5 V _ K
+ 5 V _ K
+ 5 V _ K
DG N D
DG N D
M C U
M IC _ B IA S
+
12V
_D
SC
_
1
SC
_
2
TH
M
_
P
R
O
OV
L
D
_
P
R
O
TH
M
_
P
R
O
DG N D
PO W E R _ O N
IR
_
R
+ 5 V _ K
+ 5 V _ K
DG N D
DG N D
+ 5 V _ K
DG N D
DG N D
+ 5 V _ K
+ 5 V _ K
4 0 9 4 (3 )_ C LK
DG N D
DG N D
4 0 9 4 (3 )_ DA TA
+ 5 V _ K
4 0 9 4 _ DA TA _ M C U
4 0 9 4 _ C LK _ M C U
4094(
4)
_S
T
B
4 0 9 4 (3 )_ S TB
4094(
2)
_S
T
B
DA B _ TX D_ 5 V
DA B _ R X D_ 5 V
DA B _ IN
S C _ 1
S _ C LIP_ IN D
S C _ 2
2 3 2 _ TX D
A U TO /O F F
2 3 2 _ R X D
IR _ O _ 1
IR _ O _ 2
X M _ PW R
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
DG N D
+ 5 V _ K
+ 1 2 V _ D
IR _ R
+ 5 .3 V
+ 5 .3 V
IR _ R
TR IG _ O U T_ 3
TR IG _ O U T_ 2
TR IG _ O U T_ 1
TR IG _ IN
X M _ PW R
2 3 2 _ R X D
A U TO /O F F
2 3 2 _ TX D
S _ C LIP_ IN D
+ 5 V _ V
+ 5 V _ V
PLL_ DO
TU N E D
S TE R E O
PLL_ C LK
P
LL_
D
I
61545_D
A
T
A
15205_D
A
T
A
RD
S
_
CL
K
RD
S
_
D
A
T
A
PLL_ C E
4094(
6)
_S
T
B
4094(
5)
_S
T
B
4 0 9 4 _ C LK _ M C U
4 0 9 4 (2 )_ C LK
4 0 9 4 _ DA TA _ M C U
4 0 9 4 (2 )_ DA TA
4 0 9 4 _ DA TA _ M C U
4 0 9 4 _ C LK _ M C U
4094_CL
K_M
CU
4094_D
A
T
A
_
M
C
U
4 0 9 4 _ S TB
4 0 9 4 _ DA TA _ M C U
4 0 9 4 _ C LK _ M C U
DG N D
O
V
L
D
_P
RO
_A
M
P
DG N D
S DA _ 5 V
S C L_ 5 V
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
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
+ 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
DS P_ S PI0 _ S O M I_ 5 V
P8 0
A TM E G A _ R S T
O
S
C_CL
K
M_
R
S
T
R
E
LA
Y_
A
R
E
LA
Y_
B
+ 5 .3 V
DG N D
MI
C
AG
N
D
M
P
3_R
AG
N
D
M
P
3_L
AG
N
D
V 6 _ O PT
DG N D
DG N D
+ 5 V _ K
+ 5 V _ K
HP
_L
AG
N
D
HP
_R
AG
N
D
V
6_L
AG
N
D
V
6_R
AG
N
D
Содержание T755
Страница 1: ...NAD SERVICE MANUAL T 755 T 755 Surround Sound Receiver Surround Sound Receiver DRAFT DATE AUGUST 2009 ...
Страница 8: ...8 WIRING DIAGRAM ...
Страница 10: ...10 BLOCK DIAGRAM ...
Страница 14: ...14 PCB LAYOUT POWER AMPLIFIER FRONT AMP BOARD COPPER SIDE ...
Страница 15: ...15 FRONT AMP BOARD COMPONENT SIDE ...
Страница 16: ...16 SURROUND AMP BOARD COPPER SIDE ...
Страница 17: ...17 SURROUND AMP BOARD COMPONENT SIDE ...
Страница 18: ...18 DSP BOARD COPPER SIDE ...
Страница 19: ...19 DSP BOARD COMPONENT SIDE ...
Страница 20: ...20 KEY BOARD COMPONENT SIDE KEY BOARD COPPER SIDE ...
Страница 21: ...21 F VIDEO BOARD COPPER SIDE F VIDEO BOARD COMPONENT SIDE ...
Страница 22: ...22 MAIN BOARD COMPONENT SIDE ...
Страница 23: ...23 MAIN BOARD COPPER SIDE ...
Страница 24: ...24 TRIGGER BOARD COMPONENT SIDE TRIGGER BOARD COPPER SIDE SPEAKER BOARD COMPONENT SIDE ...
Страница 25: ...25 COMPONENT BOARD COMPONENT SIDE COMPONENT BOARD COPPER SIDE ...
Страница 26: ...26 HDMI BOARD COPPER SIDE ...
Страница 27: ...27 HDMI BOARD COMPONENT SIDE ...
Страница 28: ...28 PSU STD BOARD COMPONENT SIDE CONNECTOR 3 BOARD COMPONENT SIDE ...
Страница 69: ...69 ATMEGA48 20 U2007 AT24C16 U2002 ...
Страница 72: ...72 DSP D707E0001BRFP250 U1001 PCM1609A U1034 ...
Страница 73: ...73 PCM1742KE U1035 M61545 U6002 ...
Страница 74: ...74 74HC157D U1033 SST39VF800 U1004 ...
Страница 75: ...75 K4S641632K U1003 74HC251D U1005 ...
Страница 76: ...76 74HCU04D U1018 U1019 SN74LVC245 U1010 U1022 in DSP U4518 in Component TL5001CD U1011 ...
Страница 77: ...77 SN74HCT245 U1009 PCM1802 U1017 ...
Страница 78: ...78 TPS3103 U1021 CS8416 U1002 ...
Страница 79: ...79 BU9450 U1032 R2S15205FP U6001 ...
Страница 80: ...80 HDMI CM1213 8 D4301 4304 in HDMI D2308 in Trigger TMDS U15 U23 ...
Страница 81: ...81 COMPONENT ATtiny261 U4520 ...
Страница 82: ...82 TVP5146PFP U4507 SAA7128 U4508 ...
Страница 83: ...83 74HC4052D U4002 4003 PCA9517 U4513 ...
Страница 84: ...84 SN74AHCT244 U4517 MC141585DW U19 ...
Страница 85: ...85 Power Amp F AS358 U5302 LM35DT U5303 ...
Страница 86: ...86 Trigger 74HC86D U2303 ST232BDR U2301 TPS2011A U2302 ...
Страница 87: ...EXPLODED VIEW A ...
Страница 88: ...88 EXPLODED VIEW B ...
Страница 92: ...Enlarged in detail on the next page 92 ...
Страница 95: ...93 SERVICE MANUAL T755 Surround Sound Receiver NAD ELECTRONICS LTD LONDON ...