NAD T 748, Руководство по обслуживанию

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2-64 2-65
SCHEMATIC DIAGRAM ( HDMI - RX )
GND
A8 A7 A6 A5 A4 A3 A2 A1
OE1
VCC OE2 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8
ON : HIGH
I2S HDMI RX to DSP
RED:08bit
RED:10bit RED:12bit
GREEN:08bit
GREEN:10bit
GREEN:12bit
BLUE:08bit
BLUE:10bit
BLUE:12bit
Sync & Control
HDMI 24/30/32Bit TTL Output
>,,
,9
>,,9
,9
,9
>;;9
,9
,9
>,,9
,9
,9
>;;9
,9
6+
>,,9
4,9;
6+
>,,
,6=
4,5
?-
+);
:);
+;
6+
*)
*)
))8
)
)
)
)
>,,
>;;
,9
>;;9
,9
,9
>,,9
,9
,9
>;;9
,9
,9!
>,,9
,9
6+
>;;9
=,9;
6+
>:-.
>;;
=,5
+3
+3
+3-
6+
)
)
)!
)
)
)
)
)
>;;
HDMI Processor & ADC & Decoder
SD to I/P Converter
GND
A8 A7 A6 A5 A4 A3 A2 A1
OE1
VCC OE2 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8
I2S HDMI RX to TX
11.01.07 :Added
C9384 10uF
C9385 0.1
C9383
0.1
X9301
28.636MHz
C9386 22P
C9387 27P
R9305
open
R9306
33
R9301
1K(1%)
R9302 1K(1%) C9381
0.1
C9382
10uF/6.3V
R9322
0
R9323
0
C9310
0.1
C9309
0.1
C9308
0.1
C9307
0.1
C9306
0.1
C9305
0.1
C9304
0.1
C9303
0.1
C9302
0.1
C9301
0.1
C9330
0.1
C9329
0.1
C9328
0.1
C9327
0.1
C9339
0.1
C9338
0.1
C9359
0.1
C9358
0.1
C9357
0.1
C9356
0.1
C9355
0.1
C9354
0.1
C9353
0.1
C9352
0.1
C9325
0.1
C9324
0.1
C9323
0.1
C9322
0.1
C9321
0.1
C9320
0.1
C9319
0.1
C9318
0.1
C9317
0.1
C9316
0.1
C9315
0.1
C9314
0.1
C9313
0.1
C9312
0.1
C9350
0.1
C9349
0.1
C9348
0.1
C9347
0.1
C9346
0.1
C9345
0.1
C9344
0.1
C9343
0.1
C9342
0.1
C9341
0.1
C9375
0.1
C9374
0.1
C9373
0.1
C9372
0.1
C9371
0.1
C9370
0.1
C9311
10uF/6.3V
C9337
10uF/6.3V
C9340
10uF/6.3V
C9378
10uF/6.3V
C9351
10uF/6.3V
C9326
10uF/6.3V
C9369
10uF/6.3V
R9315 22
R9316
22
R9317
1K
C9379
0.1
T13
T14
T15
T16
T17
T21
R9304
1K
R9303
1K
R9320
0
0 2 4 1 3 1 19 18 17 16 15 12 11
10 9 8 7 6 5 4 3 2 1
IC913
TC74VCX541FT
Q9331
KRC103S
8 7 6 5
4 3 2 1
RN952
22X4
C9398
0.1uF
R9326
10K
8 7 6 5
4 3 2 1
RN953
22X4
87
65
43
21
RN950
33ohm (1005SIZE X 4),1/16W
8
765
4
321
RN951
33ohm (1005SIZE X 4),1/16W
R9325
100K
R9324
100K_NC
8
7
6
5
4
3
2
1
RN948
33ohm (1005SIZE X 4),1/16W
8
7
6
5
4
3
2
1
W 6 1 / 1 , ) 4 X E Z I S 5 0 0 1 ( m h o 3 3 7 4 9 N R
8
7
6
5
4
3
2
1
W 6 1 / 1 , ) 4 X E Z I S 5 0 0 1 ( m h o 3 3 6 4 9 N R
8
7
6
5
4
3
2
1
RN945 33ohm (1005SIZE X 4),1/16W
8
7
6
5
4
3
2
1
RN944 33ohm (1005SIZE X 4),1/16W
8
7
6
5
4
3
2
1
W 6 1 / 1 , ) 4 X E Z I S 5 0 0 1 ( m h o 3 3 3 4 9 N R
8
7
6
5
4
3
2
1
RN942 33ohm (1005SIZE X 4),1/16W
8
7
6
5
4
3
2
1
W 6 1 / 1 , ) 4 X E Z I S 5 0 0 1 ( m h o 3 3 1 4 9 N R
8
7
6
5
4
3
2
1
RN940
33ohm (1005SIZE X 4),1/16W
8765 4321
W 6 1 / 1 , ) 4 X E Z I S 5 0 0 1 ( m h o 3 3 9 4 9 N R
R9334
33
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34 33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC912
8
7
6
5
4
3
2
1
RN931
33
8
7
6
5
4
3
2
1
RN932 33
8
7
6
5
4
3
2
1
RN933 33
8
7
6
5
4
3
2
1
RN934 33
8
7
6
5
4
3
2
1
RN935 33
R9327
4.7K
R9328
4.7K
R9329 270
R9332 33
R9333
33
R9330
0
L9301
9R005Z
C9389
0.1
C9388
10uF/6.3V
R9331
33
C9390
0.1
C9391
0.1
C9392
0.1
C9393
0.1
C9394
0.1
C9395
0.1
C9397
0.1
C9396
0.1
R9319
4.7K
R9318
4.7K
A1
GND_01
A2
VS/FIELD
A3
E2_TX+
A4
E2_RX+
A5
TVDD_01
A6
RXD_2-
A7
RXD_1-
A8
RXD_0-
A9
RXD_C-
A10
HEAC_2-
A11
TVDD_02
A12
RXC_2-
A13
RXC_1-
A14
RXC_0-
A15
RXC_C-
A16
NC_01
A17
TVDD_03
A18
RXB_2-
A19
RXB_1-
A20
RXB_0-
A21
RXB_C-
A22
HEAC_1-
A23
GND_02
B1
HS/CS
B2
FIELD/DE
B3
E2_TX-
B4
E2_RX-
B5
TVDD_04
B6
RXD_2+
B7
RXD_1+
B8
RXD_0+
B9
RXD_C+
B10
B11
TVDD_05
B12
RXC_2+
B13
RXC_1+
B14
RXC_0+
B15
RXC_C+
B16
NC_02
B17
TVDD_06
B18
RXB_2+
B19
RXB_1+
B20
RXB_0+
B21
RXB_C+
B22
B23
GND_03
C1
P0 C2
P1
C3
E1_TX+
C4
E1_RX+
C5
TVDD_07
C6
PWRDN1
C7
PWRDN2
C8
HPA_D
C9
RXD_5V
C10
RXC_5V
C11
TVDD_08
C12
GND_04
C13
GND_05
C14
GND_06
C15
GND_07
C16
GND_08
C17
GND_09
C18
TVDD_09
C19
TVDD_10
C20
TVDD_11
C21
TVDD_12
C22
TVDD_13
C23
TVDD_14
D1
P2
D2
P3
D3
E1_TX-
D4
E1_RX-
D5
TVDD_15
D6
SYNC_OUT
D7
CEC
D8
HPA_C
D9
RXB_5V
D10
HPA_B
D11
TVDD_16
D12
RXA_5V
D13
HPA_A
D14
DDCD_SDA
D15
DDCD_SCL
D16
DDCC_SDA
D17
DDCC_SCL
D18
RTERM
D19
DDCB_SDA
D20
DDCB_SCL
D21
TVDD_17
D22
RXA_2+
D23
RXA_2-
E1
DVDDIO_01
E2
DVDDIO_02
E3
GND_10
E4
GND_11
E20
DDCA_SDA
E21
CVDD_01
E22
RXA_1+
E23
RXA_1-
F1
P5
F2
P4
F3
EP_MISO
F4
EP_MOSI
F20
DDCA_SCL
F21
CVDD_02
F22
RXA_0+
F23
RXA_0-
G1
P7
G2
P6
G3
EP_CS
G4
EP_SCK
G7
GND_12
G8
GND_13
G9
GND_14
G10
GND_15
G11
TEST1
G12
TEST2
G13
GND_16
G14
GND_17
G15
CVDD_03
G16
CVDD_04
G17
CVDD_05
G20
VGA_SCL
G21
CVDD_06
G22
RXA_C+
G23
RXA_C-
H1
P9
H2
P8
H3
TTX_SDA
H4
TTX_SCL
H7
GND_18
H8
GND_19
H9
GND_20
H10
GND_21
H11
GND_22
H12
GND_23
H13
GND_24
H14
GND_25
H15
CVDD_07
H16
CVDD_08
H17
CVDD_09
H20
VGA_SDA
H21
CVDD_10
H22
NC_03
H23
NC_04
J1
P11
J2
P10
J3
MCLK
J4
AP0
J7
GND_26
J8
GND_27
J9
GND_28
J10
GND_29
J11
GND_30
J12
GND_3
1
J13
GND_32
J14
GND_33
J15
GND_34
J16
GND_35
J17
GND_36
J20
PVDD_02
J21
TEST3
J22
GND_37
J23
GND_38
K1
P13
K2
P12
K3
AP5
K4
SCLK
K7
VDD_01
K8
GND_40
K9
GND_41
K10
GND_42
K11
GND_43
K12
GND_44
K13
GND_45
K14
GND_46
K15
GND_47
K16
GND_48
K17
GND_49
K20
PVDD_01
K21
GND_50
K22
XTALN
K23
XTALP
L1
DVDDIO_03
L2
DVDDIO_04
L3
GND_51
L4
GND_52
L7
VDD_02
L8
GND_54
L9
GND_55
L10
GND_56
L11
GND_57
L12
GND_58
L13
GND_59
L14
GND_60
L15
GND_61
L16
GND_62
L17
GND_63
L20
GND_64
L21
GND_65
L22
GND_66
L23
GND_67
M1
P15
M2
P14
M3
AP4
M4
AP3
M7
VDD_03
M8
GND_68
M9
GND_69
M10
GND_70
M11
GND_71
M12
GND_72
M13
GND_73
M14
GND_74
M15
GND_75
M16
GND_76
M17
GND_77
M20
GND_78
M21
GND_79
M22
REFN
M23
REFP
N1
P17
N2
P16
N3
AP2
N4
AP1
N7
VDD_04
N8
GND_80
N9
GND_81
N10
GND_82
N11
GND_83
N12
GND_84
N13
GND_85
N14
GND_86
N15
GND_87
N16
GND_88
N17
GND_89
N20
AVDD_01
N21
AVDD_02
N22
AVDD_03
N23
AVDD_04
P1
P18 P2
P19
P3
SCL
P4
SDA
P7
VDD_05
P8
GND_90
P9
GND_91
P10
GND_92
P11
GND_93
P12
GND_94
P13
GND_95
P14
GND_96
P15
GND_97
P16
GND_98
P17
GND_99
P20
AVDD_05
P21
AVDD_06
P22
AIN11
P23
AIN12
R1
P20 R2
P21
R3
TEST4
R4
INT1
R7
VDD_06
R8
GND_100
R9
GND_101
R10
GND_102
R11
GND_103
R12
GND_104
R13
GND_105
R14
GND_106
R15
GND_107
R16
GND_108
R17
GND_109
R20
HS_IN2/TRI7
R21
VS_IN2/TRI8
R22
SYNC4
R23
AIN10
T1
P22 T2
P23
T3
TEST5
T4
INT2
T7
VDD_07
T8
GND_110
T9
GND_111
T10
GND_112
T11
GND_113
T12
GND_114
T13
GND_115
T14
GND_116
T15
GND_117
T16
GND_118
T17
GND_119
T20
GND_120
T21
GND_121
T22
GND_122
T23
GND_123
U1
DVDDIO_05
U2
DVDDIO_06
U3
DVDDIO_07
U4
DVDDIO_08
U7
VDD_08
U8
VDD_09
U9
VDD_10
U10
VDD_11
U11
VDD_12
U12
VDD_13
U13
VDD_14
U14
VDD_15
U15
GND_124
U16
GND_125
U17
GND_126
U20
TRI4
U21
TRI3
U22
AIN9
U23
AIN8
V1
LLC
V2
P24
V3
RESET
V4
AVLINK
V20
TRI1
V21
TRI2
V22
SYNC3
V23
AIN7
W1
P25 W2
P26
W3
NC_05
W4
SPDIF_IN
W20
AVDD_07
W21
AVDD_08
W22
AVDD_09
W23
AVDD_10
Y1
P27 Y2
P28
Y3
GND_127
Y4
GND_128
Y5
GND_129
Y6
VDD_SDRAM_01
Y7
SDRAM_A11
Y8
SDRAM_A6
Y9
SDRAM_A2
Y10
SDRAM_CS
Y11
SDRAM_LDQS
Y12
GND_130
Y13
SDRAM_DQ6
Y14
SDRAM_DQ2
Y15
SDRAM_DQ15
Y16
SDRAM_DQ11
Y17
SDRAM_CKE
Y18
VDD_SDRAM_02
Y19
GND_131
Y20
AOUT
Y21
NC_06
Y22
AIN5
Y23
AIN6
AA1
P29 AA2
P30
AA3
GND_132
AA4
GND_133 AA5
GND_134
AA6
VDD_SDRAM_03
AA7
SDRAM_A9
AA8
SDRAM_A5
AA9
SDRAM_A1
AA10
SDRAM_RAS
AA11
SDRAM_DQ7
AA12
GND_136
AA13
SDRAM_DQ5
AA14
SDRAM_DQ1
AA15
SDRAM_DQ12
AA16
SDRAM_DQ8
AA17
SDRAM_CK
AA18
VDD_SDRAM_04
AA19
GND_135
AA20
NC_07
AA21
NC_08
AA22
SYNC2
AA23
AIN4
AB1
P31 AB2
P32
AB3
P34
AB4
NC_09
AB5
GND_137
AB6
DVDDIO_09
AB7
SDRAM_A8
AB8
SDRAM_A4
AB9
SDRAM_A0
AB10
SDRAM_BA1
AB11
SDRAM_CAS
AB12
VDD_SDRAM_05
AB13
SDRAM_DQ4
AB14
SDRAM_DQ0
AB15
SDRAM_DQ13
AB16
SDRAM_DQ9
AB17
SDRAM_CK
AB18
VDD_SDRAM_06
AB19
GND_138
AB20
SYNC1
AB21
HS_IN1/TRI5
AB22
VS_IN1/TRI6
AB23
GND_139
AC1
GND_140
AC2
P33
AC3
P35
AC4
NC_10
AC5
GND_141
AC6
DVDDIO_10
AC7
SDRAM_A7
AC8
SDRAM_A3
AC9
SDRAM_A10
AC10
SDRAM_BA0
AC11
SDRAM_WE
AC12
VDD_SDRAM_07
AC13
SDRAM_DQ3
AC14
SDRAM_VREF
AC15
SDRAM_DQ14
AC16
SDRAM_DQ10
AC17
SDRAM_UDQS
AC18
VDD_SDRAM_08
AC19
GND_142
AC20
AIN1
AC21
AIN2
AC22
AIN3
AC23
GND_143
IC911
CVIADV7844KBCZ
C9367
0.1
C9366
0.1
C9365
0.1
C9364
0.1
C9363
0.1
C9362
0.1
C9361
0.1
C9360
0.1
C9368
0.1
C9334
0.1
C9333
0.1
C9332
0.1
C9331
0.1
C9336
0.1
C9335
0.1
C9377
0.1
C9376
0.1
R9314
1005 /1/16W / 10Kohm
R9313
1005 /1/16W / 10Kohm
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
T11
T12
T18
8
7
6
5
4
3
2
1
RN939 33
8
7
6
5
4
3
2
1
RN938 33
8
7
6
5
4
3
2
1
RN937 33
8
7
6
5
4
3
2
1
RN936 33
R9321
1005 /1/16W / 4.7Kohm
C9481
10uF/6.3V
C9485
10uF/6.3V
C9486
10uF/6.3V
C9482
10uF/6.3V
C9483
10uF/6.3V
C9484
10uF/6.3V
R9335
0
0 2 4 1 3 1 19 18 17 16 15 12 11
10 9 8 7 6 5 4 3 2 1
IC918
TC74VCX541FT
8 7 6 5
4 3 2 1
RN957
22X4
8 7 6 5
4 3 2 1
RN958
22X4
C9399
0.1uF
R9352
100K
R9351
100K_NC
R9639
4.7K
R9638
4.7K
H
HDMI1_D0-
H
HDMI1_D1-
H
HDMI1_D2-
H
HDMI1_CK-
HDMI1_DDC_SCL
HDMI1_DDC_SDA
CVBS
S_C
S_Y
HDMI_SCL
HDMI_SDA
HDMI_RESET
+2.5V_DDR
CKE
CK
CK
UDQS
LDQS
WE
CAS
RAS
CS
BA1
BA0
DQ15
DQ14
DQ13
DQ12
DQ11
DQ10
DQ9
DQ8
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
ADV7844_INT
V 3 . 3 _ D D V T V 8 . 1 _ D D V P V 8 . 1 _ D D V A
M A R D S _ O I D D V D _ V 5 . 2 + V 3 . 3 _ O I D D V D V 8 . 1 _ D D V D
PWR1
DDR_VREF
DDR_VREF
AVDD_1.8V
CVDD_1.8V
CVDD_1.8V
TVDD_3.3V
DVDD_1.8V
DVDDIO_3.3V
+2.5V_DVDDIO_SDRAM
HDMI_MUTE_OUT
DVDDIO_3.3V
PVDD_1.8V
HDMI_AUDIO_ON
HDMI_SDATA1
HDMI_LRCK
HDMI_SDATA2 HDMI_SDATA3
HDMI_SCLK
HDMI_MCLK
HDMI_SDATA0
HDMI_SPDIF
+3.3V_MCU
+3.3V_MCU
HD_RX_R7
HD_RX_R6
HD_RX_R5
HD_RX_R4
HD_RX_R3
HD_RX_R2
HD_RX_R1
HD_RX_R0
HD_RX_R1_30
HD_RX_R0_30
HD_RX_G7
HD_RX_G6
HD_RX_G5
HD_RX_G4
HD_RX_G3
HD_RX_G2
HD_RX_G1
HD_RX_G0
HD_RX_G1_30
HD_RX_G0_30
HD_RX_B7
HD_RX_B6
HD_RX_B5
HD_RX_B4
HD_RX_B3
HD_RX_B2
HD_RX_B1
HD_RX_B0
HD_RX_B1_30
HD_RX_B0_30
HD_RX_DE
HD_RX_HS
HD_RX_VS
HD_RX_R1_36
HD_RX_R0_36
HD_RX_G1_36
HD_RX_G0_36
HD_RX_B1_36
HD_RX_B0_36
HD_RX_CLK
HDMI_I2S
MCLK
SCLK
LRCLK
SPDIF
SDATA0
SDATA1
SDATA2
SDATA3
HDMI_RX
HDMI_I2S
BLUE_RX00
BLUE_RX01
BLUE_RX02
BLUE_RX03
BLUE_RX04
BLUE_RX05
BLUE_RX06
BLUE_RX07
BLUE_RX08
BLUE_RX09
BLUE_RX10
BLUE_RX11
HDMI_RX
GREEN_RX00
GREEN_RX01
GREEN_RX02
GREEN_RX03
GREEN_RX04
GREEN_RX05
GREEN_RX06
GREEN_RX07
GREEN_RX08
GREEN_RX09
GREEN_RX10
GREEN_RX11
RED_RX00
RED_RX01
RED_RX02
RED_RX03
RED_RX04
RED_RX05
RED_RX06
RED_RX07
RED_RX08
RED_RX09
RED_RX10
RED_RX11
RED_RX00
RED_RX01
RED_RX02
RED_RX03
RED_RX04
RED_RX05
RED_RX06
RED_RX07
RED_RX08
RED_RX09
RED_RX10
RED_RX11
+2.5V_DDR
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
LDQS
WE
CAS
RAS
CS
BA0
BA1
A10
A0
A1
UDQS
A2
CK
CK
A3
DDR_VREF
PWR2
PWR3
H
HDMI2_D0-
H
HDMI2_D1-
H
HDMI2_D2-
H
HDMI2_CK-
HDMI2_DDC_SCL
HDMI2_DDC_SDA
H
HDMI3_D0-
H
HDMI3_D1-
H
HDMI3_D2-
H
HDMI3_CK-
HDMI3_DDC_SDA
HDMI3_DDC_SCL
DVDDIO_3.3V
PB_IN
PR_IN
Y_IN
SYNC1
GREEN_RX11
GREEN_RX10
GREEN_RX09
GREEN_RX08
GREEN_RX07
GREEN_RX06
GREEN_RX05
GREEN_RX04
GREEN_RX03
GREEN_RX02
GREEN_RX01
GREEN_RX00
BLUE_RX11
BLUE_RX10
BLUE_RX09
BLUE_RX08
BLUE_RX07
BLUE_RX06
BLUE_RX05
BLUE_RX04
BLUE_RX03
BLUE_RX02
BLUE_RX01
BLUE_RX00
SPDIF
SDATA0
SDATA1
SDATA2
SDATA3
LRCLK
H
HDMI4_D0-
H
HDMI4_D1-
H
HDMI4_D2-
H
HDMI4_CK-
HDMI4_DDC_SCL
HDMI4_DDC_SDA
PWR4
HDMI_HPD1
HDMI_HPD2
HDMI_HPD3
HDMI_HPD4
SCLK
MCLK
A4
A5
A6
A7
A8
A9
A11
CKE
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
CEC
COMPOSITE-OSD
+3.3V_MCU
HDMI_DATA0 HDMI_DATA1 HDMI_DATA2 HDMI_DATA3 HDMI-SPDIF HDMI-LRCK HDMI-SCLK HDMI-MCLK
+3.3V_MCU +3.3V_MCU
DVDDIO_3.3V