ViewSonic VG2021m-1 Service Manual page 68

R35 R35
DDCA_DAT
0603/0R/5%/OPEN 0603/0R/5%/OPEN
D1 D1 D2 D2
0603/10p/varistor/OPEN 0603/10p/varistor/OPEN
0603/10p/varistor/OPEN 0603/10p/varistor/OPEN
GND
D29 D29
D10 D10
0603220KV05T/RoHS 0603220KV05T/RoHS
0603220KV05T/RoHS 0603220KV05T/RoHS
GND
ViewSonic Corporation
11 1
6
12 2
7
13 3
8
14 4
9
15 5
10
CN7 CN7
89263-6762 89263-6762
GND
1
R144 R144 D24 D24
0603/0R/5%/OPEN 0603/0R/5%/OPEN BAV99W/RoHS BAV99W/RoHS
C157 C157
DDCA_CLK 0603/100n/25V/X/RoHS 0603/100n/25V/X/RoHS
HSI L20 L20
D32 D32
UDZSF-5.6B/PbF UDZSF-5.6B/PbF
GND
VSI R66 R66
D33 D33
UDZSF-5.6B/PbF UDZSF-5.6B/PbF
GND
R64 R64 0603/100R/5%/RoHS 0603/100R/5%/RoHS
R131 R131 0603/100R/5%/RoHS 0603/100R/5%/RoHS
VGA_5V
L8 L8 R133 R133
BK1608LL121/PbF BK1608LL121/PbF 0603/10R/5%/RoHS 0603/10R/5%/RoHS
D6 D6
0603220KV05T/RoHS 0603220KV05T/RoHS
C129 C129 D30 D30
0603/100n/25V/X/RoHS 0603/100n/25V/X/RoHS
BZT52-C5V6S/RoHS BZT52-C5V6S/RoHS
U15 U15
1
NC VCC
2
NC VCLK
3
NC SCL
4
GND SDA
AT24C02-10TU-1.8/RoHS AT24C02-10TU-1.8/RoHS
GND
VG2021m-1
Confidential - Do Not Copy
65
R78 R78
0603/75R/1% 0603/75R/1% 0603/75R/1% 0603/75R/1%
1 1
D25 D25 D5 D5
BAV99W/RoHS BAV99W/RoHS BAV99W/RoHS BAV99W/RoHS
V5A_ESD
V5A_ESD
C158 C158 C159 C159
0603/100n/25V/X/RoHS 0603/100n/25V/X/RoHS 0603/100n/25V/X/RoHS 0603/100n/25V/X/RoHS
GND
0603/0R/5%/RoHS 0603/0R/5%/RoHS R57 R57 0603/1K/1%/RoHS 0603/1K/1%/RoHS
R55 R55 C128 C128 C126 C126
0603/33p/50V/N/RoHS 0603/33p/50V/N/RoHS 0603/33p/50V/N/RoHS/open 0603/33p/50V/N/RoHS/open
0603/2.2K/5%/RoHS 0603/2.2K/5%/RoHS
GND GND GND
0603/0R/5%/RoHS 0603/0R/5%/RoHS R54 R54 0603/1K/1%/RoHS 0603/1K/1%/RoHS
R129 R129 C127 C127
0603/33p/50V/N/RoHS/open 0603/33p/50V/N/RoHS/open
0603/2.2K/5%/RoHS 0603/2.2K/5%/RoHS
0603/220p/50V/N 0603/220p/50V/N
GND GND GND
DSUB_DET
V5A
V5A
D31 D31
R68 R68 0603/10K/5%/RoHS 0603/10K/5%/RoHS
BAV70W/RoHS BAV70W/RoHS
R135 R135 0603/10K/5%/RoHS 0603/10K/5%/RoHS
R136 R136 0603/3.9K/5%/RoHS 0603/3.9K/5%/RoHS
8
VGA_5V R60 R60
7
GND
0603/47K/5%/RoHS 0603/47K/5%/RoHS
6
5
:
IC
R21 R21 0603/56R/1% 0603/56R/1%
R34 R34 0603/56R/1% 0603/56R/1%
R23 R23 0603/56R/1% 0603/56R/1%
R24 R24 0603/470R/1% 0603/470R/1%
R30 R30 R29 R29
0603/75R/1% 0603/75R/1%
R25 R25 0603/100R/1% 0603/100R/1% C123 C123 0603/47n/16V/7/RoHS 0603/47n/16V/7/RoHS
R26 R26 0603/100R/1% 0603/100R/1% C124 C124 0603/47n/16V/7/RoHS 0603/47n/16V/7/RoHS
R27 R27 0603/100R/1% 0603/100R/1% C125 C125 0603/47n/16V/7/RoHS 0603/47n/16V/7/RoHS
GND
參
: Mstar
HSYNC
路
C100 ,C128
, R57 0.68
k 1k,
R54 0.1K 1k,
C126 ,C127 OPEN
Phase issue: L20 120
VSYNC
0
1
TP
HSYNC1 HSYNC1
1
TP
VSYNC1 VSYNC1
DDCA_CLK
DDCA_DAT
C23 C23
0603/100n/25V/7/RoHS 0603/100n/25V/7/RoHS
GND
C9 C9 0603/47n/16V/7/RoHS 0603/47n/16V/7/RoHS
RIN
C10 C10 0603/47n/16V/7/RoHS 0603/47n/16V/7/RoHS
GIN
C11 C11 0603/47n/16V/7/RoHS 0603/47n/16V/7/RoHS
BIN
C15 C15 0603/1n/16V/7 0603/1n/16V/7
SOG
GNDR
GNDG
GNDB
bead
HSYNC
VSYNC
ViewSonic Corporation
Model
Title
Date Rev: