ViewSonic N4251w-1M Service Manual page 70

8.12. ATSC INDEX
U0RX
15,17 U0RX
U0TX
15,17 U0TX
U2TX
15,17 U2TX
U2RX
15,17 U2RX
UART (RS232)
VOR[0..7]
15 VOR[0..7]
VOG[0..7]
15 VOG[0..7]
VOB[0..7]
15 VOB[0..7]
VOPCLK
15 VOPCLK
VOHSYNC
15 VOHSYNC
VOVSYNC
15 VOVSYNC
VODE
15 VODE
DIGITAL VIDEO OUTPUT
AO1MCLK
15 AO1MCLK
AO1LRCK
15 AO1LRCK
AO1BCK
15 AO1BCK
AO1SDATA0
15 AO1SDATA0
DIGITAL AUDIO INTERFACE
MTK modify AUD_CTRL
3 AUD_CTRL
HDMIMCLK
HDMIMCLK
HDMIBCLK
HDMIBCLK
HDMILRCK
HDMILRCK
HDMISD0
HDMISD0
HDMIDE
HDMIDE
HDMIODCK
HDMIODCK
HDMIHSYNC
HDMIHSYNC
HDMIVSYNC
HDMIVSYNC
VI[0..23]
VI[0..23]
DTVU0TX
DTVU0TX
DTVU0RX
DTVU0RX
SCL1
SCL1
SDA1
SDA1
GPIO3
GPIO3
TXD1
TXD1
RXD1
RXD1
NAME TYPE
+12V POWER +12V
+5V POWER +5V
+5V_tuner POWER +5V
DV33_DM POWER +3V3
DV18 POWER +1V8
DV33 POWER +3V3
AV33 POWER +3V3
DV25 POWER +2V5
DV12 POWER +1V2
GND GROUND
ViewSonic Corporation
14,15 5VDD
14,15,17,18 DV33
7,13,14,15,16,17,18 GND
13,15,17 ORESET_1
15 REQUEST_1
15 READY_1
GLOBAL SIGNAL
VCC
3
3
3
DTVU2TX
3
3,10
3,10
3,10
DTVU2RX
3,10
3,10
26
26
3
3
8293MCLK
3 8293MCLK
8293BCLK
8293BCLK
8293LRCK
3 8293LRCK
8293SD0
3 8293SD0
DEVICE
POWER SUPPLY
POWER SUPPLY
TUNER POWER
MT5112 POWER
MT5112 POWER
MT5351 POWER
MT5351 ANALOG POWER
MT5351 DDR POWER
MT5351 POWER
GROUND
67
N4251w-1M
Confidential - Do Not Copy
5VDD
DV33
GND
ORESET_1
REQUEST_1
READY_1
L802 5VDD
R121/0805 6A
L0805
R228
RXD1
0
R229
TXD1
0
AUD_CTRL 0
MTK modify
"Y"=ATSC
10
10
10
10
AUD_CTRL
ATSC AUDIO
AO1SDATA0
AO1LRCK
AO1BCK
AO1MCLK
8293SD0
8293LRCK
8293BCLK
8293MCLK
HDMI AUDIO
U0TX RP32 DTVU0TX
1 2
U0RX DTVU0RX
3 4
U2RX DTVU2RX
5 6
U2TX DTVU2TX
7 8
33x4 RN 8P4R
VOHSYNC RP33 HDMIHSYNC
1 2
VOVSYNC HDMIVSYNC
3 4
VODE HDMIDE
5 6
VOPCLK HDMIODCK
7 8
33x4 RN 8P4R
VOB0 RP34 VI23
1 2
VOB1 VI22
3 4
VOB2 VI21
5 6
VOB3 VI20
7 8
33x4 RN 8P4R
VOB4 RP35 VI19
1 2
VOB5 VI18
3 4
VOB6 VI17
5 6
VOB7 VI16
7 8
33x4 RN 8P4R
VOG0 RP36 VI15
1 2
VOG1 VI14
3 4
VOG2 VI13
5 6
VOG3 VI12
7 8
33x4 RN 8P4R
VOG4 RP37 VI11
1 2
VOG5 VI10
3 4
VOG6 VI9
5 6
VOG7 VI8
7 8
33x4 RN 8P4R
VOR0 RP38 VI7
1 2
VOR1 VI6
3 4
VOR2 VI5
5 6
VOR3 VI4
7 8
33x4 RN 8P4R
VOR4 RP39 VI3
1 2
VOR5 VI2
3 4
VOR6 VI1
5 6
VOR7 VI0
7 8
33x4 RN 8P4R
AO1MCLK RP40 HDMIMCLK
1 2
AO1BCK HDMIBCLK
3 4
AO1LRCK HDMILRCK
5 6
AO1SDATA0 HDMISD0
7 8
(NC)33x4 RN 8P4R
ORESET_1 RP41 GPIO3
1 2
READY_1 SCL1
3 4
REQUEST_1 SDA1
5 6
7 8
33x4 RN 8P4R
R230
4.7K
R0603
I117
1 4
S YA
15 7
OE YB
9
YC
2 12
IA0 YD
5
IB0
DV33
11
IC0
14 16
ID0 VCC
C416
3
IA1
0.1U
6
IB1
C0603
10
IC1
13 8
ID1 GND
IDTQS3VH257
TSSOP16
DIGITAL OUTPUT