ViewSonic N2750w-1 Service Manual page 14

6.3 VGA/YPbPr
Dsub_SDA
HSYNC
VSYNC
Dsub_SCL
C366 C367 C368 C369
47p/ESD 47p/ESD 47p/ESD 47p/ESD
+3V3
R161
1K5
1
9
5V_DDC
2
10
3
11
11 USBDM
4
USBDP 11
Dsub_SDA 12 R173
NC
5
VDDCA
HSYNC
13
6
VGA_DET 11
VSYNC
14
7
Dsub_SCL
15
8
P106
15-pin D-SUB connector
YPbPr
input
P107
RCA JACK 1X3
YPbPr-Y
1
4
YPbPr-Pb
2
5
YPbPr-Pr
3
6
ViewSonic Corporation
VDDCA
D107
1N4148
1 2 2 1
VCC 5V_DDC
D106 C144
1N4148 100n
R148 R149 I108
4K7 4K7 M24LC21
8 1
VCC PRE
7 2
/WC E1
Dsub_SCL
6 3
SCL E2
Dsub_SDA
5 4
SDA VSS
VSYNC
R150
100R HD_RIN
HD_GIN
USBDM HD_BIN
USBDP
VGA_DET
5V_DCC
C370 C371 C372 C373
47p/ESD 47p/ESD 47p/ESD 47p/ESD
8
8 HD_COAST
L117 BEAD/80R
PC_R
L118 BEAD/80R
PC_G
L119 BEAD/80R
PC_B
C159 C160 C161
22p/ESD 22p/ESD 22p/ESD
R169 R170 R171
75R 75R 75R
L121
BEAD/80R
HD_Y
C179
22p/ESD
L122
BEAD/80R
HD_PB
C185
22p/ESD
Dsub_SDA R167
L123 Dsub_SCL R172
BEAD/80R
HD_PR
VSYNC
C192 HSYNC R175
22p/ESD
13
Confidential - Do Not Copy N2750w-1
VCC
I107
LT1117-3V3
L114 BEAD/200R
3 2
VI VO
L115 BEAD/200R
C145
100uF/16V
I109
R151 100R C147 47n
R152 100R C148 47n
R153 100R C149 47n
R154 820R C150 10n
VA_PLL
C154 3n9
C155 C156
+ 39n R158
3K3
470uF/16V
R159 22R
HD_RGHS
R160 22R
R164 100R
4,5,6,7,8,11 SDA
R166 100R
4,5,6,7,8,11 SCL
C163
47uF/16V
VCC
L120
BEAD/200R
R443
47K
PC_R
HD_PR
C561
PC_G
HD_Y HD_PY
PC_B
100uF/16V HD_PB
R444
10K
100R
DDCSDA 11 11 HD_SEL
100R
DDCSCL 11
R174 100R
GVSYNC 8
100R
GHSYNC 8
VAD_D
VADA VA_PLL
L116
BEAD/200R
RP7
54 70 1 47RX4
Rain R7
71 3
R6
48 72 5
Gain R5
73 7
R4
43 74 1
Bain R3
75 3
R2
49 76 5
SOGIN R1
77 7
R0
RP8 47RX4
RP9 47RX4
2 1
G7
3 3
G6
4 5
G5
33 5 7
FILT G4
6 1
G3
AD9883KST-110
7 3
G2
8 5
G1
SlaveAddr: 0x98
9 7
G0
RP10
RP11 47RX4
30 12 1
HSYNC B7
31 13 3
VSYNC B6
29 14 5
COAST B5
15 7
B4
16 1
B3
17 3
B2
58 18 5
REF B1
37 19 7
MIDSCV B0
RP12
38 67 R163
CLAMP DATACLK
R165
57 66
SDA HSOUT
56 64
SCL VSOUT
55 65 R168
A0 SOGOUT
VAD_D
VA_PLL
I110
16
VCC
2 4 HD_RIN
S1A DA
VADA
3
S2A
5 7 HD_GIN
S1B DB
6
S2B
HD_BIN C180
11 9
S1C DC
10 100uF/16V
S2C
14 12
S1D DD
13
S2D
1
IN
15
EN
8
GND
PI5V330
BIR[0..7] 8
2 BIR7
BIR6
4
BIR5
6
BIR4
8
2 BIR3
BIR2
4
BIR1
6
BIR0
8
BIG[0..7] 7,8,11
BIG7
2
BIG6
4
BIG5
6
8 BIG4
BIG3
2
BIG2
4
BIG1
6
BIG0
8
47RX4
BIB[0..7] 7,8,11
BIB7
2
4 BIB6
BIB5
6
BIB4
8
BIB3
2
4 BIB2
BIB1
6
BIB0
8
47RX4
10R
HDTV_CLK 8
47R
HDTV_HS 8
47R
HDTV_CS 8
C162
10p
C168
100uF/16V