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41a
POWER AMPLIFIER RIGHT-CH
SCHEMATIC DIAGRAM
FR
SR
CEN.
SBR
FR(A)
FR(B)
CENTER
SR
SBR
Q5006
MMBT5401LT1
E
C
B
Q5001
MMBT5551LT1
E
C
B
Q5002
MMBT5551LT1
E
C
B
Q5003
MMBT5551LT1
E
C
B
Q5004
MMBT5551LT1
R5002
470 1/4W
R5003
10k
R
5001
100k
1/
4W
R
5005
1k
R
5009
1k
R
5007
22
R
5011
22
R5008
270
1/4W
R5013
100
E
C
B
Q5005
MMBT5551LT1
R
5006
47k
D
5002
LL4148
D
5003
LL4148
C5002
2.2u 50V
R
5004
27k
1/
4W
C
5001
100u
50V
R5012
360
1/4W
C5004
470u
16V
Q5007
2SB1275
R
5010
100
R
5014
47
D
5004
LL4148
Q5008
MMBT5401LT1
Q5009
2SB1275
D
5005
LL4148
D
5006
LL4148
C5007
100p
C5005
10p
C5006
10p
C5008
100p
R5015
10k
Q5010
2SD1918
E
C
B
Q5011
MMBT5551LT1
R
5016
47
D
5007
LL4148
D
5008
LL4148
Q5012
MMBT5551LT1
R5017
56k
1/4W
R
5019
2k
R
5020
330
C
5010
0.
1u
50V
1
2
3
R5021
1k
C
5009
47u
100V
C
5011
47u
100V
R5018
47
1/2W
Q5013
MMBT5551LT1
Q5014
MMBT5401LT1
R5023
1k
1/2W
C5012
100p
100V
C5015
100p
100V
C5013
100p
C5014
100p
R
5025
47
1/
4W
R5024
47
1/4W
Q5015
2SD1918
Q5017
2SC5669
Q5016
2SB1275
Q5018
2SA2031
R5026
220
1/2W
C
5017
100p
100V
R5029
4.7
1/4W
R
5027
4.
7
1/
4W
C
5016
100p
100V
R5036
10
2W
C
5018
0.
1u_M
100V
R5035
3.3 1W
L5001
0.2uH
D
5001
15V
1/
4W
R5022
47
1/2W
R5028
0.22
5W
R5030
0.22
5W
Q5019
MMBT5551LT1
R5031
10k
R5034
33k
R5033
1.5k
D
5009
LL4148
R5032
180k
R5037
180k
R5137
180k
R5132
180k
D
5109
LL4148
R5133
1.5k
R5134
33k
R5131
10k
Q5119
MMBT5551LT1
R5130
0.22
5W
R
5128
0.
22
5W
R5122
47
1/2W
D
5101
15V
1/
4W
L5101
0.2uH
R5135
3.3 1W
C
5118
0.
1u_M
100V
R5136
10
2W
C5116
100p
100V
R
5127
4.
7
1/
4W
R5129
4.7
1/4W
C5117
100p
100V
R5126
220
1/2W
Q5118
2SA2031
Q5116
2SB1275
Q5117
2SC5669
Q5115
2SD1918
R
5124
47
1/
4W
R5125
47
1/4W
C5114
100p
C5113
100p
C5115
100p
100V
C5112
100p
100V
R5123
1k
1/2W
Q5114
MMBT5401LT1
Q5113
MMBT5551LT1
R5118
47
1/2W
C
5111
47u
100V
C
5109
47u
100V
1
2
3
R5121
1k
C
5110
0.
1u
50V
R
5120
330
R
5119
2k
R
5117
56k
1/
4W
Q5112
MMBT5551LT1
D
5108
LL4148
D
5107
LL4148
R
5116
47
E
C
B
Q5111
MMBT5551LT1
Q5110
2SD1918
R5115
10k
C5108
100p
C5106
10p
C5105
10p
C5107
100p
D
5106
LL4148
D
5105
LL4148
Q5109
2SB1275
Q5108
MMBT5401LT1
D
5104
LL4148
R
5114
47
R
5110
100
Q5107
2SB1275
C5104
470u
16V
R5112
360
1/4W
C
5101
100u
50V
R
5104
27k
1/
4W
C5102
2.2u 50V
D
5103
LL4148
D
5102
LL4148
R
5106
47k
E
C
B
Q5105
MMBT5551LT1
R5113
100
R5108
270
1/4W
R
5111
22
R
5107
22
R
5109
1k
R
5105
1k
R
5101
100k
1/
4W
R5103
10k
R5102
470
1/4W
E
C
B
Q5104
MMBT5551LT1
E
C
B
Q5103
MMBT5551LT1
E
C
B
Q5102
MMBT5551LT1
E
C
B
Q5101
MMBT5551LT1
Q5106
MMBT5401LT1
R5237
180k
R5232
180k
D
5209
LL4148
R5233
1.5k
R5234
33k
R5231
10k
Q5219
MMBT5551LT1
R5230
0.22
5W
R
5228
0.
22
5W
R5222
47
1/2W
D
5201
15V
1/
4W
L5201
0.2uH
R5235
3.3 1W
C
5218
0.
1u_M
100V
R5236
10
2W
C
5216
100p
100V
R
5227
4.
7
1/
4W
R5229
4.7
1/4W
C
5217
100p
100V
R5226
220
1/2W
Q5218
2SA2031
Q5216
2SB1275
Q5217
2SC5669
Q5215
2SD1918
R5224
47
1/4W
R
5225
47
1/
4W
C5214
100p
C5213
100p
C5215
100p
100V
C5212
100p
100V
R5223
1k
1/2W
Q5214
MMBT5401LT1
Q5213
MMBT5551LT1
R5218
47
1/2W
C
5211
47u
100V
C
5209
47u
100V
1
2
3
R5221
1k
C
5210
0.
1u
50V
R
5220
330
R
5219
2k
R5217
56k
1/4W
Q5212
MMBT5551LT1
D
5208
LL4148
D
5207
LL4148
R
5216
47
E
C
B
Q5211
MMBT5551LT1
Q5210
2SD1918
R5215
10k
C5208
100p
C5206
10p
C5205
10p
C5207
100p
D
5206
LL4148
D
5205
LL4148
Q5209
2SB1275
Q5208
MMBT5401LT1
D
5204
LL4148
R
5214
47
R
5210
100
Q5207
2SB1275
C
5204
470u
16V
R5212
360
1/4W
C
5201
100u
50V
R
5204
27k
1/
4W
C5202
2.2u 50V
D
5203
LL4148
D
5202
LL4148
R
5206
47k
E
C
B
Q5205
MMBT5551LT1
R5213
100
R5208
270
1/4W
R
5211
22
R
5207
22
R
5209
1k
R
5205
1k
R
5201
100k
1/
4W
R5203
10k
R5202
470
1/4W
E
C
B
Q5204
MMBT5551LT1
E
C
B
Q5203
MMBT5551LT1
E
C
B
Q5202
MMBT5551LT1
E
C
B
Q5201
MMBT5551LT1
Q5206
MMBT5401LT1
R5337
180k
R5332
180k
D
5309
LL4148
R5333
1.5k
R5334
33k
R5331
10k
Q5319
MMBT5551LT1
R
5330
0.
22
5W
R
5328
0.
22
5W
R5322
47
1/2W
D
5301
15V
1/
4W
L5301
0.2uH
R5335
3.3 1W
C
5318
0.
1u_M
100V
R5336
10
2W
C
5316
100p
100V
R
5327
4.
7
1/
4W
R
5329
4.
7
1/
4W
C
5317
100p
100V
R5326
220
1/2W
Q5318
2SA2031
Q5316
2SB1275
Q5317
2SC5669
Q5315
2SD1918
R
5324
47
1/
4W
R
5325
47
1/
4W
C5314
100p
C5313
100p
C5315
100p
100V
C5312
100p
100V
R5323
1k
1/2W
Q5314
MMBT5401LT1
Q5313
MMBT5551LT1
R5318
47
1/2W
C
5311
47u
100V
C
5309
47u
100V
1
2
3
R5321
1k
C
5310
0.
1u
50V
R
5320
330
R
5319
2k
R5317
56k
1/4W
Q5312
MMBT5551LT1
D
5308
LL4148
D
5307
LL4148
R
5316
47
E
C
B
Q5311
MMBT5551LT1
Q5310
2SD1918
R5315
10k
C5308
100p
C5306
10p
C5305
10p
C5307
100p
D
5306
LL4148
D
5305
LL4148
Q5309
2SB1275
Q5308
MMBT5401LT1
D
5304
LL4148
R
5314
47
R
5310
100
Q5307
2SB1275
C5304
470u
16V
R5312
360
1/4W
C
5301
100u
50V
R
5304
27k
1/
4W
C5302
2.2u 50V
D
5303
LL4148
D
5302
LL4148
R
5306
47k
E
C
B
Q5305
MMBT5551LT1
R5313
100
R5308
270
1/4W
R
5311
22
R
5307
22
R
5309
1k
R
5305
1k
R
5301
100k
1/
4W
R5303
10k
R5302
470
1/4W
E
C
B
Q5304
MMBT5551LT1
E
C
B
Q5303
MMBT5551LT1
E
C
B
Q5302
MMBT5551LT1
E
C
B
Q5301
MMBT5551LT1
Q5306
MMBT5401LT1
C
5407
100u
50V
R
5403
1.
2k
D
5418
LL4148
D
5417
LL4148
C
5406
100u
50V
R
5402
1.
2k
R
5404
18k
R
5401
18k
D
5419
22V
1/
4W
D
5416
22V
1/
4W
1
2
M5401-A
3
4
M5401-B
1
2
M5402-A
3
4
M5402-B
1
2
M5403-A
3
4
M5403-B
1
2
M5404-A
3
4
M5404-B
D
5401
GS1G
D
5402
GS1G
D
5403
GS1G
D
5404
GS1G
E
C
B
Q5401
DTC123EKA
E
C
B
Q5402
DTC123EKA
E
C
B
Q5403
DTC123EKA
E
C
B
Q5404
DTC123EKA
R5038
15k
R5039
22k
D5411
LL4148
D5412
LL4148
R5139
22k
R5138
15k
D5413
LL4148
R5239
22k
R5238
15k
D5414
LL4148
R5339
22k
R5338
15k
1
2
M5405-A
3
4
M5405-B
D5407
LL4148
R5418
4.22k
1%
R5417
33k
1%
R5419
1.2k
R5416
1.2k
3
+
2
-
1
U5401-A
LM358D
IN
GND
OUT
U5403
LM7812CT
R5420
1k
D
5409
6.
2V
1/
2W
R5421
47.5k
1%
R5423
820
R5426
1.2k
R5424
1.2k
8
4
U5401-C
LM358D
5
+
6
-
7
U5401-B
LM358D
R
5413
10k
R
5412
1k
R5410
1k
R
5411
560
R
5409
47k
R
5407
22k
R5408
4.7k
R
5406
33k
Q5408
MMBT5401LT1
E
C
B
Q5409
MMBT5551LT1
R5405
1M
R5040
1M
R5140
1M
R5240
1M
R5340
1M
S
G
D
Q5410
2SK771-4
E
C
B
Q5405
DTC123EKA
D
5405
GS1G
D5415
LL4148
R5414
6.8k
R5415
12k
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J2001B
to MCU (J2001A)
1
2
M5406
To thermistor for ISC
1
2
3
4
5
J5403A
to SPEAKER
1
2
3
J5402A
to PSU-SEC (J5402B)
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
J5401A
to CONN#3 (J5401B)
+V
S
GN
D
VOUT
U5402
LM35DM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
J5404A
to PRE-OUT (J5404B)
R5425
22.1k 1%
D
5410
LL4148
R5427
N.I.
C
5403
0.
1u
50V
C
5404
0.
1u
50V
C5003
100p
100V
C5103
100p
100V
C5203
100p
100V
C5303
100p
100V
C5019
150p
C5119
150p
C5219
150p
C5319
150p
C5405
1u
50V
S
G
D
Q5410A
N.I.
C
5408
0.
1u
100V
C
5402
100u
50V
C
5401
100u
50V
D
5406
6.
2V
1/
2W
1
2
P5001
for BIAS
1
2
P5101
for BIAS
1
2
P5201
for BIAS
1
2
P5301
for BIAS
Q5406
MMBT5401LT1
E
C
B
Q5407
DTC114EKA
R5422
10k
C
5409
0.
1u
100V
CHGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
PO_FL
PO_SL
PO_BSL
PO_FL
PO_SL
PO_BSL
DGND
SC_1
SC_2
SC_1
SC_2
THM_PRO
V+
V-
OVLD_PRO
DGND
4094(1)_STB
4094_DATA
4094_CLK
4094(1)_STB
4094_DATA
4094_CLK
RELAY_C
RELAY_SB
RELAY_S
FAN_SEN
OVLD_PRO
V_DET
I_DET
ISC_THM_R
THM_PRO
SC_1
SC_2
RELAY_F
RELAY_B
ISC_SEN_R
I_GND
PO_BSL
I_GND
PO_SL
I_GND
PO_FL
+5VD
DGND
+5VD
DGND
+12V
DGND
FR_B_SPK
FR_A_SPK
CENTER_SPK
SR_SPK
BSR_SPK
FR_O
C_O
SR_O
BSR_O
FR_O
+12V_D
+5VD
PO_FL
PO_FR
PO_SL
PO_SR
PO_BSL
PO_BSR
PO_CEN
DGND
DGND
DGND
CHGND
I_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
I_GND
O_GND
O_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
I_GND
O_GND
O_GND
I_GND
I_GND
O_GND
I_GND
I_GND
O_GND
O_GND
+5VD
+15V
+15V
DGND
+12V_D
+15V
CHGND
First Production runs:
T775G00001-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 ...