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42a
SBL
SL
FL(B)
FL(A)
SBL
SL
FL
D5804
LL4148
C5803
0.022u
50V
12
R5803
47k
C5802
1000p
C5804
0.022u
50V
R5805
10k
R5804
22k
R5802
33k
Q5807
MMBT5401LT1
C
5801
10u
16V
R5801
33k
Q5806
MMBT5551LT1
Q5805
MMBT5551LT1
D
5812
GS1G
D
5811
GS1G
D
5810
GS1G
D
5809
GS1G
E
C
B
Q5804
DTC123EKA
E
C
B
Q5803
DTC123EKA
E
C
B
Q5802
DTC123EKA
E
C
B
Q5801
DTC123EKA
R5738
15k
R5739
22k
D5710
LL4148
R5638
15k
R5639
22k
D5610
LL4148
D5510
LL4148
R5539
22k
R5538
15k
3
4
M5804-B
1
2
M5804-A
3
4
M5803-B
1
2
M5803-A
3
4
M5802-B
1
2
M5802-A
3
4
M5801-B
1
2
M5801-A
D5805
LL4148
R5810
4.22k
1%
R5809
27k
1%
1
2
R5811
1.2k
1
2
R5808
1.2k
3
+
2
-
1
U5502-A
LM358
D
5802
LL4148
D
5801
LL4148
C5805
0.1u
C
5808
100u
50V
C
5809
100u
50V
IN
GND
OUT
U5805
LM7812
C
5806
1000u
25V
1
2
J5805A
to FAN
1
2
J5806A
to FAN
1
2
J5807A
to FAN
1
2
J5808A
to FAN
1
2
J5809A
to FAN
R5820
390
R5831
12k
R5819
27k
1/4W
R5821
2.2k
R5812
1k
C5807
0.1u
D
5807
6.
2V
1/
2W
1
2
R5813
47.5k
1%
12
R5815
820
1
2
R5818
1.2k
1
2
R5816
1.2k
8
4
U5502-C
LM358
5
+
6
-
7
U5502-B
LM358
R
5829
10k
R
5830
1k
R5827
1k
12
R
5828
560
12
R
5825
47k
R
5824
22k
1
2
R5826
4.7k
R
5823
33k
Q5811
MMBT5401LT1
Q5810
MMBT5551LT1
1
2
R5822
1M
1
2
R5540
1M
1
2
R5640
1M
1
2
R5740
1M
Q5706
MMBT5401LT1
Q5701
MMBT5551LT1
Q5702
MMBT5551LT1
Q5703
MMBT5551LT1
Q5704
MMBT5551LT1
R5702
470
1/4W
R5703
10k
R
5701
100k
1/
4W
R
5705
1k
R
5709
1k
R
5707
22
R
5711
22
R5708
270
1/4W
R5713
100
Q5705
MMBT5551LT1
R
5706
47k
D
5702
LL4148
D
5703
LL4148
C5702
2.2u 50V
R
5704
27k
1/
4W
R5712
360
1/4W
Q5707
2SB1275
R
5710
100
R
5714
47
D
5709
LL4148
Q5708
MMBT5401LT1
Q5709
2SB1275
D
5704
LL4148
D
5705
LL4148
C5707
100p
100V
C5705
10p
C5706
10p
C5708
100p
100V
R5715
10k
Q5710
2SD1918
Q5711
MMBT5551LT1
R5716
47
D
5706
LL4148
D
5707
LL4148
Q5712
MMBT5551LT1
R5717
56k
1/4W
R
5719
2k
R
5720
330
C5710
0.1u
1
2
3
R5721
1k
C
5709
47uF
100V
C
5711
47uF
100V
R5718
47 1/2W
Q5713
MMBT5551LT1
Q5714
MMBT5401LT1
R5723
1k
1/2W
C5712
100p
100V
C5715
100p
100V
C5713
100p
100V
C5714
100p
100V
R
5725
47
1/
4W
R
5724
47
1/
4W
Q5715
2SD1918
Q5717
2SC5669
Q5716
2SB1275
Q5718
2SA2031
R5726
220
1/2W
C5717
100p
100V
R
5729
4.
7
1/
4W
R
5727
4.
7
1/
4W
C5716
100p
100V
R5736
10
2W
C5718
0.1u_M
100V
R5735
3.3 1W
L5701
0.2uH
D
5701
15V
1/
4W
R5722
47
1/2W
R
5728
0.
22
5W
R
5730
0.
22
5W
Q5719
MMBT5551LT1
R5731
10k
R5734
33k
R5733
1.5k
D
5708
LL4148
R5732
180k
R5737
180k
Q5606
MMBT5401LT1
Q5601
MMBT5551LT1
Q5602
MMBT5551LT1
Q5603
MMBT5551LT1
Q5604
MMBT5551LT1
R5602
470
1/4W
R5603
10k
R
5601
100k
1/
4W
R
5605
1k
R
5609
1k
R
5607
22
R
5611
22
R5608
270
1/4W
R5613
100
Q5605
MMBT5551LT1
R
5606
47k
D
5602
LL4148
D
5603
LL4148
C5602
2.2u 50V
R
5604
27k
1/
4W
R5612
360
1/4W
Q5607
2SB1275
R
5610
100
R
5614
47
D
5609
LL4148
Q5608
MMBT5401LT1
Q5609
2SB1275
D
5604
LL4148
D
5605
LL4148
C5607
100p
100V
C5605
10p
C5606
10p
C5608
100p
100V
R5615
10k
Q5610
2SD1918
Q5611
MMBT5551LT1
R
5616
47
D
5606
LL4148
D
5607
LL4148
Q5612
MMBT5551LT1
R5617
56k
1/4W
R
5619
2k
R
5620
330
C
5610
0.
1u
1
2
3
R5621
1k
C
5609
47uF
100V
C
5611
47uF
100V
R5618
47
1/2W
Q5613
MMBT5551LT1
Q5614
MMBT5401LT1
R5623
1k
1/2W
C5612
100p
100V
C5615
100p
100V
C5613
100p
100V
C5614
100p
100V
R
5625
47
1/
4W
R
5624
47
1/
4W
Q5615
2SD1918
Q5617
2SC5669
Q5618
2SA2031
R5626
220
1/2W
C
5617
100p
100V
R
5629
4.
7
1/
4W
R
5627
4.
7
1/
4W
C
5616
100p
100V
R5636
10
2W
C5618
0.1u_M
100V
R5635
3.3 1W
L5601
0.2uH
D
5601
15V
1/
4W
R5622
47
1/2W
R
5628
0.
22
5W
R
5630
0.
22
5W
Q5619
MMBT5551LT1
R5631
10k
R5634
33k
R5633
1.5k
D
5608
LL4148
R5632
180k
R5637
180k
Q5506
MMBT5401LT1
Q5501
MMBT5551LT1
Q5502
MMBT5551LT1
Q5503
MMBT5551LT1
Q5504
MMBT5551LT1
R5502
470
1/4W
R5503
10k
R
5501
100k
1/
4W
R
5505
1k
R
5509
1k
R
5507
22
R
5511
22
R5508
270
1/4W
R5513
100
Q5505
MMBT5551LT1
R
5506
47k
D
5502
LL4148
D
5503
LL4148
C5502
2.2u 50V
R
5504
27k
1/
4W
R5512
360
1/
4W
C5504
470u
16V
Q5507
2SB1275
R
5510
100
R
5514
47
D
5509
LL4148
Q5508
MMBT5401LT1
D
5504
LL4148
D
5505
LL4148
C5507
100p
100V
C5505
10p
C5506
10p
C5508
100p
100V
R5515
10k
Q5510
2SD1918
Q5511
MMBT5551LT1
R
5516
47
D
5506
LL4148
D
5507
LL4148
Q5512
MMBT5551LT1
R
5517
56k
1/
4W
R
5519
2k
R
5520
330
C
5510
0.
1u
1
2
3
R5521
1k
C5
50
9
47uF
100V
C
5511
47uF
100V
R5518
47
1/2W
Q5513
MMBT5551LT1
Q5514
MMBT5401LT1
R5523
1k
1/2W
C5512
100p
100V
C5515
100p
100V
C5513
100p
100V
C5514
100p
100V
R
5525
47
1/
4W
R
5524
47
1/
4W
Q5515
2SD1918
Q5517
2SC5669
Q5518
2SA2031
R5526
220
1/2W
C
5517
100p
100V
R
5529
4.
7
1/
4W
R
5527
4.
7
1/
4W
C5516
100p
100V
R5536
10
2W
C5518
0.1u_M
100V
R5535
3.3 1W
L5501
0.2uH
D
5501
15V
1/
4W
R5522
47
1/2W
R
5528
0.
22
5W
R
5530
0.
22
5W
Q5519
MMBT5551LT1
R5531
10k
R5534
33k
R5533
1.5k
D
5508
LL4148
R5532
180k
R5537
180k
1
2
R5806
6.8k
12
R5807
12k
D
5803
6.
2V
1/
2W
1
2
3
4
J5802A
To Speaker Out
1
2
3
J5804A
To Secondary
1
2
M5805
To thermistor for ISC (left)
ADJ
OU
T
IN
U
5804
LM
317
S
G
D
Q5812
2SK771-4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
J5801A
To CONN#3 (J5801B)
1 STROBE
2 DATA
3 CLOCK
4 Q1
5 Q2
6 Q3
7 Q4
8 VSS
9
QS
10
QS
11
Q8
12
Q7
13
Q6
14
Q5
15
O/P_ENABLE
16
VDD
U5501
HCF4094B
C5811
0.1u
C
5501
100u
50V
C
5601
100u
50V
C
5701
100u
50V
Q5516
2SB1275
Q5509
2SB1275
Q5616
2SB1275
+V
S
GN
D
VOUT
U5503
LM35DM
C5604
470u
16V
C5704
470u
16V
D5813
LL4148
D5808
LL4148
R5817
22.1k 1%
R5832
N.I.
C5503
100p
100V
C5603
100p
100V
C5703
100p
100V
C5519
150p
C5619
150p
C5719
150p
C5816
1u
50V
S
G
D
Q5812A
N.I.
C
5810
47uF
100V
C
5812
0.
1u
100V
1
2
3
J5803A
To ISC J5803B
1
2
3
J5810A
To ISC J5810B
1
2
P5501
for BIAS
1
2
P5601
for BIAS
1
2
P5701
for BIAS
Q5808
MMBT5401LT1
E
C
B
Q5809
DTC114EKA
R5814
10k
C
5813
0.
1u
100V
DGND
CHGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
+12V
V+
V-
O_GND
PO_FL
PO_SL
PO_BSL
PO_FL
PO_SL
PO_BSL
+15V
FAN_SEN
OVLD_PRO
V_DET
I_DET
ISC_THM_R
THM_PRO
SC_1
SC_2
RELAY_B
ISC_SEN_R
I_GND
PO_BSL
PO_SL
PO_FL
RELAY_SB
RELAY_S
DGND
+5VD
DGND
4094_DATA
4094_CLK
RELAY_C
4094(1)_STB
RELAY_F
I_GND
I_GND
+5VD
DGND
DGND
DGND
DGND
DGND
DGND
CHGND
I_GND
I_GND
I_GND
O_GND
O_GND
O_GND
O_GND
O_GND
I_GND
I_GND
I_GND
I_GND
O_GND
O_GND
I_GND
O_GND
O_GND
I_GND
I_GND
I_GND
O_GND
O_GND
O_GND
O_GND
I_GND
O_GND
O_GND
I_GND
I_GND
O_GND
O_GND
DGND
+12V_D
+5VD
ISC_THM_L
DGND
ISC_SEN_L
ISC_THM_R
DGND
ISC_SEN_R
I_GND
CHGND
POWER AMPLIFIER LEFT-CH
First Production runs:
T71T775G00001-T71T775G00028 &
T78T775G00029-T78T775G00510
Содержание T775
Страница 1: ...NAD SERVICE MANUAL T 775 T 775 Surround Sound Receiver Surround Sound Receiver DRAFT DATE AUGUST 2009 ...
Страница 8: ...8 WIRING DIAGRAM ...
Страница 10: ...10 BLOCK DIAGRAM ...
Страница 21: ...21 DSP BOARD COPPER SIDE ...
Страница 22: ...22 DSP BOARD COMPONENT SIDE ...
Страница 23: ...23 KEY BOARD COMPONENT SIDE KEY BOARD COPPER SIDE ...
Страница 24: ...24 PRE OUT BOARD COPPER SIDE ...
Страница 25: ...25 PRE OUT BOARD COMPONENT SIDE ...
Страница 26: ...26 VOLUME BOARD COPPER SIDE ...
Страница 27: ...27 VOLUME BOARD COMPONENT SIDE ...
Страница 28: ...28 F INPUT BOARD COPPER SIDE F INPUT BOARD COMPONENT SIDE ...
Страница 29: ...29 MAIN BOARD COMPONENT SIDE ...
Страница 30: ...30 TRIGGER BOARD COMPONENT SIDE TRIGGER BOARD COPPER SIDE ...
Страница 31: ...31 COMPONENT BOARD COMPONENT SIDE COMPONENT BOARD COPPER SIDE ...
Страница 32: ...32 VIDEO BOARD COPPER SIDE VIDEO BOARD COMPONENT SIDE ...
Страница 33: ...33 HDMI BOARD COPPER SIDE ...
Страница 34: ...34 HDMI BOARD COMPONENT SIDE ...
Страница 35: ...35 PSU ISC BOARD COMONENT SIDE PSU ISC BOARD COPPER SIDE ...
Страница 36: ...36 CONNECTOR 1 BOARD COMPONENT SIDE CONNECTOR 1 BOARD COPPER SIDE ...
Страница 37: ...37 MCU BOARD COMPONENT SIDE MCU BOARD COPPER SIDE ...
Страница 38: ...38 PSU SECONDARY BOARD COMPONENT SIDE PSU STD BOARD COMPONENT SIDE ...
Страница 39: ...39 CONNECTOR 3 BOARD COMPONENT SIDE CONNECTOR 4 BOARD COMPONENT SIDE SPEAKER BOARD COMPONENT SIDE ...
Страница 40: ...40 CONNECTOR 2 BOARD COMPONENT SIDE ...
Страница 96: ...94 ATMEGA48 20 U2007 AT24C16 U2002 ...
Страница 98: ...96 DSP D708E0001BRFP266 U1001 SST39VF800 U1004 ...
Страница 99: ...97 K4S641632K U1003 74HC251D U1005 ...
Страница 100: ...98 74HCU04D U1018 U1019 SN74LVC245 U1010 U1022 TL5001CD U1011 ...
Страница 101: ...99 SN74HCT245 U1009 SN74LVC257AD U1033 U1035 U1036 ...
Страница 103: ...101 TPS3103 U1021 CS8416 U1002 ...
Страница 104: ...102 BU9450 U1032 PCM1791A U1012 1016 ...
Страница 105: ...103 HDMI XC9572XL U20 CM1213 8 U2 U11 U16 U24 U32 D2308 in Trigger ...
Страница 106: ...104 PCA9517 U5 PCF8574 U10 U201 ...
Страница 107: ...105 PI3B16233 U9 U13 SN74AHCT244 U200 ...
Страница 108: ...106 AD8061 U18 U22 U26 AD8063 U17 U21 U25 U27 U29 U30 ...
Страница 109: ...107 MC141585DW U19 ...
Страница 110: ...108 TMDS341 U15 U23 ...
Страница 111: ...109 ADV7320 U28 ...
Страница 112: ...110 ADV7403 U12 AD9388 U14 ...
Страница 113: ...111 AD9389B U31 LM2575 VR3 VR4 ...
Страница 114: ...112 LM1086 VR200 Power Amp L AS358 U5802 U5401 in AMP R ...
Страница 115: ...113 LM35DT U5803 U5402 in AMP R Composite S Video 74HC4051D U4103 4106 BA7660FS U4101 4102 U4001 in Component ...
Страница 116: ...114 Component 74HC4052D U4002 4003 LC78211 U6009 ...
Страница 117: ...115 Volume TPA6120A2DWP U6008 ...
Страница 118: ...116 R2S15205FP U6001 6002 ...
Страница 119: ...117 Trigger 74HC86D U2303 ST232BDR U2301 TPS2011A U2302 ...
Страница 120: ...EXPLODED VIEW A ...
Страница 121: ...119 EXPLODED VIEW B ...
Страница 126: ...Enlarged in detail on next page 124 ...
Страница 129: ...125 SERVICE MANUAL T 775 Surround Sound Receiver NAD ELECTRONICS LTD LONDON ...