NAD T 748, Руководство по обслуживанию

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SCHEMATIC DIAGRAM ( HDMI - TX )
DVDD
DVDD
D17
CLK
D16
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
DE
HSYNC
GND
GND
DSD0 DVDD VSYNC DSD1
DSD2 DSD3 DSD4 DSD5 DSD_CLK SPDIF MCLK I2S0 I2S1 I2S2 I2S3 SCLK LRCLK GND DVDD GND PVDD
GND GND PVDD PVDD
CEC_CLK
DVDD
CEC_IN
DVDD33
SPDIF_OUT
INT
GND
TX2+
TX2-
AVDD
TX1+
TX1-
PD/AD
GND
TX0+
TX0-
AVDD
TXC+
TXC-
GND
HPD/HEAC-
AVDD
R_EXT
BGVDD
GND
D19 D20
D21 D22 D23 D24 D25 D26 D27 D28 D29 D30 D31 D32 D33 D34 D35 SDA SCL
DDCSDA DDCSCL
HEAC+ HEAC-
GND D18
HPD/HEAC-
DDC DATA
DDC CLK
HEAC+/UTILITY
CLK SHIELD
D0 SHIELD
D1 SHIELD
D2+
TO DSP PCB
HDMI TX:RED_8Bit
HDMI TX:RED_10Bit
HDMI TX:RED_12Bit
HDMI TX:BLUE_8Bit
HDMI TX:BLUE_10Bit HDMI TX:BLUE_12Bit
HDMI TX:GREEN_8Bit
HDMI TX:GREEN_10Bit
HDMI TX:GREEN_12Bit
Sync & Control
TMDS Signal Amplitude Circuit
HDMI RX/TX Power
#32: Added pull_down
CE REMOTE
DDC +5V
D2 SHIELD
D2-
D0+
D0-
D1-
CK-
CK+
D1+
DDC/CEC SHIELD
100 Ohm impedance differential tracks
TXC,TX0, TX1, TX2 pairs should be
routed as 100 Ohms differential pairs
(50 Ohms to GND)
HDMI 1.4 TX
TO VIDEO B'D
TO INPUT B'D
GND
VIN
VIN
VIN
NC
LX3
LX3
VIN3
BST3
EN3
RLM3
SS3
COMP3
FB3
SYNC ROSC
FB1
CMP1
SS1
RLM1
AGND V3V V7V PGOOD GND(SCLK) LOW_P(SDA) FB2 COMP2 SS2 RLM2
EN2
BST2
VIN2
LX2
LX2
LX1
LX1
VIN1
BST1
EN1
R2 = R1* {0.8V/(Vo-0.8V)}
11.01.07 :Added
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75 74 73 72 71 70 69 68 67 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
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
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
IC915
CVIADV7511KSTZ
C9532 10/16V C9533 0.1uF
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
JK925
C9535 0.1uF
C9534
10/16V
2
1
3
GND
Out In
IC916
LM1117S-5.0
R9518
0
R9528
0
R9529
0
R9513
33
C9525
0.1uF
C9524 0.1uF
C9523 0.1uF
C9521 0.1uF
C9520 0.1uF
C9519
0.1uF
C9517 0.1uF C9518 0.1uF C9516 0.1uF C9515 0.1uF
C9513
0.1uF
C9511 0.1uF
C9512
0.1uF
C9514 0.1uF
C9526 0.1uF
R9521 4.7K
R9515
8.2K
R9514
1K
R9516
0
L9009
C9005
150uF/10V
C9008
150uF/10V
2
3 1
OUT
GND
IN
IC917
C9007
0.1uF
C9006
0.1uF
R9525 49R9
C9527 1uF
C9528 1uF
R9526 49R9
R9527 4.99
R9523 49R9 R9524 49R9
R9522 0
R9519
33
R9520
OPEN
C9522
0.1uF_NC
L9013
L9012
L9011
L9010
L9005
L9004
L9003
L9002
L9006
L9007
L9008
R9539
10K
6 5 4
3 2 1
Q9511
UPA672T
R9538
1.8K
R9535
1.8K
R9537
1.8K
R9536
1.8K
R9517
0
R9532 10K
1 2
3
D9
51
1
BAR43C
R9
53
3
27K
R9534
0
19
18
16
17
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CN902
CJP19GA193ZY
R9511 100
R9512 100
18 17
15 16
14 13
2 1
4 3
6 5
8 7
9 10
12 11
CN905
C9001
150uF/10V
C9002
0.1
C9003
150uF/10V
C9004
0.1
12 11
10
9
8 7
6 53
4
1 2
1
2
3
4
5
6
7
8
9
10
11
12
CN903
CJP12GA226ZB
L9001
R9540 0
C9110
10uF/6.3V
C9111
10uF/6.3V
C9112
10uF/6.3V
C9113
10uF/6.3V
C9114
10uF/6.3V
C9115
10uF/6.3V
C9116
10uF/6.3V
C9117
10uF/6.3V
C9118
10uF/6.3V
L9511
L9512
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 29 30
31
32
33
34
35
36
37
38
39
40
IC951
TPS65251RHAR
C9553
22uF/16V
R9611
0
L9557
4.7UH/4A
R9612
0
R9613 40.2K
R9614
6.65K,1%
C9558
4.7nF
C9557 0.047u
C9554
10uF/25V
C9611
4.7nF
R9616
OPEN
R9615
10K
C9612
4700P
R9617
150K
R9618
20K
C9613
4700P_NC
C9614
4700P
R9619
0
R9620
383K
R9621
20K
C9616
4700P
C9615
4700P_NC
C9617
4700P
R9622
100K
L9558
4.7UH/4A
L9559
4.7UH/4A
C9621
22uF/6.3V
C9626
22uF/6.3V
R9625
0
R9626
40.2k 1%
R9627
32.4k 1%
C9622 4700P
R9630
0
R9631 40.2K
R9632
18.7k 1%
C9627 4700P
C9624
0.047u
C9620 0.047u
C9619
10uF/25V
C9623 10uF/25V
C9618
4700P
R9623
OPEN
R9624
10K
C9625 4.7nF
R9629 OPEN
R9628 10K
C9632
4700P
R9637
150K
R9636
20K
C9630
4700P_NC
C9631
4700P
R9635
10K
R9634
0
C9629
1uF
C9628
1uF
R9633
100K
C9552
10uF/25V
L9556
4.7UH/4A
D9001
CVDSS34SR
L9553
L9552
L9551
L9554
L9555
L9560
C9635
150uF/25V
15
14
13
12
11
10
8
9
7
6
5432
1
CN901
A
A
D9250
OPEN
A
A
D9249
OPEN
A
A
D9248
OPEN
A
A
D9247
OPEN
A
A
D9246
OPEN
A
A
D9245
OPEN
A
A
D9244
OPEN
A
A
D9243
OPEN
C9634
100/6.3V
+12VH
HDMI_SCL
HDMI_SDA
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_B0_30
HD_RX_B1_30
HD_RX_B0
HD_RX_B1
HD_RX_B2
HD_RX_B3
HD_RX_B4
HD_RX_B6
HD_RX_B7
HD_RX_G1_30
HD_RX_G0
HD_RX_CLK
HD_RX_G1
HD_RX_G2
HD_RX_B5
HD_RX_G0_30
HD_RX_HS
HD_RX_VS
HDMI-SPDIF
HD_RX_DE
DVDD_TX_1.8V
+1.8V_PLVDD
ADV7511_INT
CEC
DDC+5V
HD_RX_R1_36 HD_RX_R0_36
HD_RX_G1_36
HD_RX_G0_36
HD_RX_B1_36
HD_RX_B0_36
+3.3V_MCU
AVDD_TX_1.8V
+3.3V_TVDD
HDMI_SPDIF
HDMI_SDATA0
HDMI_SDATA1
HDMI_SDATA2
HDMI_SDATA3
HDMI_LRCK
HDMI_SCLK
HDMI_MCLK
+2.5V_DVDDIO_SDRAM
DVDD_TX_1.8V
CEC
TVDD_3.3V
+3.3V_MCU
+3.3V_TVDD
DVDDIO_3.3V
CVDD_1.8V
PVDD_1.8V
AVDD_1.8V
DVDD_1.8V
DVDD_TX_1.8V
AVDD_TX_1.8V
+1.8V_PLVDD
DDC+5V
DDC+5V
ARC_SPDIF_OUT
+3.3V_MCU
CEC
HDMI_RESET
HDMI_SCL
CEC
HDMI_SDA
ADV7844_INT
ADV7511_INT
HDMI_AUDIO_ON
HDMI_MUTE_OUT
ARC_SPDIF_OUT
OSD_H
OSD_SCL
OSD_SDA
OSD_CE
1321_SDA
1321_SCL
COMPOSITE_OSD
CVBS_IN
S-VIDEO_C
S-VIDEO_Y
COMP_Y
COMP_PB
COMP_PR
+12VV
+2.5V_DDR
1321_SCL
1321_SDA
OSD_CE
OSD_SDA
OSD_SCL
OSD_H
HDMI-MCLK
HDMI_DATA0
HDMI-SCLK HDMI-LRCK
HDMI_DATA3 HDMI_DATA2 HDMI_DATA1
FB3
FB3
FB1
FB1
FB2
FB2 V3V
V3V V3V
V3V
+5.6VDD
+12VH
+1.8VH
+12VV
PWGND
PWGND
CHGND
CHGND