ViewSonic N3250w-1L Wartungshandbuch Seite 68
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8.10. MT8293- HDMI Input
NC if AVCC18 from regulator
V2
I106
拉到
/Y25
DATA2-
HDMISD2
GPIO18
VI8
VCC18
HDMICEN
HDMIHSYNC
VI14
CCIR_GPIO_D
IOVCC
9993_SCL
HDMICEN
VCC18
XTLO
AVCC
VI18
VCC18
IOVCC
VI3
HDMISD3
CLOCK-
HDCP_SDA
DDC_SDA
VI23
DATA0+
DATA1+
DDC_SCL
SDA
VI13
PVCC
VI2
OSC_IN
AVCC
PVCC
HDMIVSYNC
HDCP_SCL
SPDIF
VI22
DDC_SCL
IOVCC
REGVCC
DDC_SDA
GPIO18
KWP
VCC18
VI12
VI7
SDA
VI1
HDMIODCK
HDMIRST_1
HDCP_SCL
VI21
VI17
DATA0-
SCL
AVCC VI11
HDMIDE
AVCC
VI0
GPIO17
VI20
CI2CA
9993_SCL
CLOCK+
HDMIDE
9993_SDA
IOVCC
VI[0..23]
IOVCC
AVCC
AVCC
VI6
27MHZ
XTLO
VI10
IOVCC
VI16
HDMIVSYNC
IOVCC
INT0_1
VI19
27MHZ
XTLI
IOVCC
SCL
VCC18
IOVCC
HDMIODCK
VI5
DATA1-
CCIR_GPIO_D
VCC18 AVCC18
HDMIHSYNC
9993_SDA
REGVCC
PLUGPWR
CI2CA
HDMISD3
KWP
VCC18
IOVCC
VI15
INT0_1
VI9
HDCP_SDA
HDMISD1
PLUGPWR
HDMICAB
HDMIRST_1
VCC18
DATA2+
HDMISD1
AVCC18
HDMISD2
IOVCC
GPIO17
XTLI
VI4
DDC_SCL
DDC_SDA
VCC18
VCC18
DATA2+
DATA2-
DATA1+
DATA1-
DATA0+
DATA0-
CLOCK+
CLOCK-
8293BCLK
8293SD0
8293MCLK
8293LRCK
8293MCLK
8293BCLK
8293LRCK
8293SD0
PLUGPWR
8293BCLK
8293MCLK
8293LRCK
8293SD0
AUD_CTRL
HDMIBCLK
8293LRCK
HDMISD0
HDMILRCK
8293SD0
8293BCLK
HDMIMCLK
8293MCLK
HDMISD1 3
HDMISD2 3
HDMIHSYNC 3,11
HDMISD3 3
HDMIDE 3,11
GPIO17 3
INT0_1 3
HDMICEN 3
CCIR_GPIO_D 3
27MHZ 3
SCL 7,26
VI[0..23] 3,11
SDA 7,26
GPIO18 3
HDMIVSYNC 3,11
HDMIODCK 3,11
8293MCLK 11
8293BCLK 11
8293LRCK 11
8293SD0 11
8293SD0 10
8293MCLK 10
8293BCLK 10
8293LRCK 10
HDMI_PLUGPWR
DV33B
AVCC
AVCC
DV33B
DV33B
DV33B
AVCC
DV33B
AVCC
HDMI_PLUGPWR
HDMI_PLUGPWR
5VSB
HDMI_PLUGPWR
DV33
C388
1000P
TP56
R218 0
R216 0
R208
1K
R230
4.7K
R0603
X101
(NC)27MHz
XTAL
TP43
TP52
C379
0.1U
D139
SM17
1 2
C410
0.1U
R215 0
+
C368
10U/50V
C412
(NC)18P
TP53
TP40
C370
1000P
L145 R60/0603
C384
1000P
C401
0.01U
TP57
C378
0.1U
R227 (NC)0
R226
(NC)1M
R212
4.7K
C407
1000P
+
C365
10U/50V
R222
NC
R221
2.2K
R210 0
L140
R121/0603
R217 0
TP54
C387
0.1U
C395
0.1U
TP58
C399
0.1U
C394
1000P
L147
R60/0603
C385
0.1U
C373
0.1U
C400
1000P
C382
1000P
C408
0.1U
RP30 33x4
12
34
56
78
TP47
+
C363
100U/16V
R205 (NC)R
C375
0.1U
TP61
+
C362
100U/16V
TP59
C380
1000P
C391
0.1U
E
B
C
SOT
23
Q107
MMBT3904
1
3
2
RP29 33x4
12
34
56
78
C389
0.1U
L141 R121/0603
L142
R121/0603
I117
IDTQS3VH257
TSSOP16
2
5
11
14
3
6
10
13 8
16
15
1 4
7
9
12
IA0
IB0
IC0
ID0
IA1
IB1
IC1
ID1 GND
VCC
OE
SYA
YB
YC
YD
C361
1000P
R223
NC
C393
0.1U
R491
4.7K
D120
NC
3
1
2
C374
1000P
RP31 33x4
12
34
56
78
TP44
C403
1000P
C402
0.1U
TP41
TP60
R220
2.2K
RP28 33x4
12
34
56
78
TP50
C372
1000P
Q108
MOSFET N 2SK2158
SOT23
1
32
C397
0.1U
L146
R60/0603
C406
0.1U
+
C358
10U/50V
TP55
D121
NC
3
1
2
+
C359
100U/16V
RP27 33x4
12
34
56
78
C367
1000P
R209
4.7K
R300
100K
TP51
C411
0.01U
C405
1000P
R207 0
C369
0.1U
RP26 33x4
12
34
56
78
Q109
MOSFET N 2SK2158
SOT23
1
32
C371
0.1U
C409
1000P
P104
HDMI/SMD/CON/A
HDMI TYPE-A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
2221
20 23
L143
R121/0603
D138
SM17
1 2
RP25 33x4
12
34
56
78
I114
EEPROM 24C04
1
2
3
4 5
6
7
8
NC
NC
NC
GND SDA
SCL
WP
VCC
C383
0.1U
C381
0.1U
TP46
ADJ
OUT
IN
I113
AIC117-1.8V/SOT223
3
2
1
4
L144
R121/0603
R224 0
C413
(NC)18P
TP48
C398
1000P
C360
0.1U
R219 0
R214
(NC)4.7K
C386
1000P
I116
24C22/SMD/DIP
1
2
3
4
5
6
7
8
NC1
NC2
NC3
GND
SDA
SCL
VCLK
VCC
D140
5.6V
1 2
TP42
MT8293
I115
MT8293
LQFP128/SMD/8293
66
65
126
63
30
112
62
61
64
57
60
56
55
54
52
51
50
49
108
73
70
78
109
79
38
118
86
87
68
117
67
48
45
69
107
97
121
120
113
106
114
115
111
116
123
58
59
110
75
76
128
1
127
2
3
4
5
7
6
8
9
10
13
119
12
16
11
15
17
20
21
22
19
18
23
26
27
28
29
32
24
25
37
36
33
34
35
91
89
88
90
122
71
72
98
46
47
14
31
53
39
40
41
42
43
44
74
77
80
81
82
83
84
85
92
93
94
95
96
99
100
101
102
103
104
105
124
125
G1
CVCC18
CGND18
CGND18
RX2+
IOGND33
CVCC18
RX2-
AVCC
AGND
AVCC
AGND
AGND
RX0+
RX0-
AGND
RXC+
RXC-
AVCC
QE11
SD1
SPDIF
IOGND33
QE10
MCLK
CI2CA
IOGND33
XTALVCC
REGVCC
IOVCC33
QE4
MUTE
EXT_RES
CVCC18
IOGND33
IOVCC33
IOGND33
QE3
IOVCC33
CGND18
IOGND33
QE7
QE6
QE8
QE5
QE1
RX1-
RX1+
QE9
WS
SCK
HSYNC
VSYNC
DE
CEN
SOG_IN
OSC_IN
NC
IOVCC33
IOGND33
NC
KWP
KSDA
CGND18
ODCK
CVCC18
GPIO13
KSCL
GPIO14
GPIO12
GPIO11
GPIO10
GPIO9
IOVCC33
IOGND33
GPIO8
GPIO7
GPIO6
GPIO5
GPIO4
GPIO3
CVCC18
CGND18
CGND18
CVCC18
GPIO2
GPIO1
GPIO0
INT
RESET#
TEST
SCDT
QE2
SD3
SD2
IOVCC33
PGND
PVCC
GPIO15
IOVCC33
AVCC
CSDA
CSCL
DSDA
DSCL
CEC
PWR5V
SD0
IOVCC33
CGND18
CVCC18
AUDPVCC18
AUDPGND
XTALOUT
XTALIN
QE23
QE22
QE21
QE20
QE19
QE18
QE17
QE16
QE15
QE14
QE13
QE12
QE0
CVCC18
ePad/GND
C364
0.1U
C377
0.1U
C416
0.1U
C0603
C390
1000P
R206 0
C366
0.1U
TP49
C404
0.1U
R213
0
C376
1000P
TP45
R211
4.7K
C392
1000P
R225 (NC)0
C396
1000P
ViewSonic Corporation Confidential - Do Not Copy N3250w-1L
65
- Service Manual 1
- Revision History 2
- TABLE OF CONTENTS 3
- 2. Specification 7
- Front View of the Product 12
- Rear View of the Product 13
- Remote Control 14
- OSD Functions 16
- TV Menu — To set up for TV 17
- 4. Circuit Description 21
- LCD Controller IC 22
- 5. Adjusting Procedure 24
- "MtkTool Auto 40
- BaudRate.exe" 40
- 7.Guarant Card 8.Battery 44
- Disassembly Procedure 46
- 7. Block Diagram 58
- 8. Schematic Diagrams 59
- Power ON alive source 60
- 8.3. MT8202 61
- NORMAL ANALOG POWER 62
- NORMAL AUDIO ADC / DAC POWER 62
- STANDBY ANALOG POWER 62
- NORMAL VIDEO ADC POWER 62
- NORMAL VIDEO DAC POWER 62
- 8.5. MT8202 DDR & Flash 63
- FROM Tuner 65
- THIS PAGE NEARLY IC 65
- 8.8. NTSC Tuner 66
- YPBPR/AV Input 67
- YPBPR/AV/S 67
- AUDIO Input 67
- SVIDEO Input 67
- 8.10. MT8293- HDMI Input 68
- NEARLY VGA CON NEARLY IC 69
- 8.12. Audio Switch 70
- AUDIO ADC 71
- BYPASS AUDIO OUTPUT 72
- TO ERAPHONE OUTPUT 72
- 8.15. Audio Amp 73
- 8.17. Panel LVDS interface 75
- NEW USB DOWNLOAD I/F 76
- 8.19 Power board 77
- 8.20 Power inverter board 78
- 9. PCB Layout Diagrams 79
- 9.2. MAIN PCB BOTTOM VIEW 80
- 9.3. CON PCB TOP VIEW 81
- 9.4. CON PCB BOTTOM VIEW 82
- 9.5. IR PCB TOP VIEW 83
- 9.6. IR PCB BOTTOM VIEW 84
- Serial No. Prefix: QBA 88
- BOM LIST (N3250w-1L) 89
- Reader’s Response* 103
Verwandte Produkte und Handbücher für Fernseher & Monitore ViewSonic N3250w-1L
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