Service manual

Model
Title
Date Rev:
ViewSonic Corporation
VSI
HSYNC
VSYNC
VGA_5V
VGA_5V
HSI
RIN
GIN
BIN
VSYNC
GNDR
GNDG
GNDB
DDCA_CLK
HSYNC
DDCA_DAT
V5A_ESD
V5A
DDCA_DAT
DDCA_CLK
SOG
VGA_5V
DSUB_DET
V5A_ESD
GND GND
GNDGND
GND
GND
GND
GND
GND
GND
GND
V5A
GND
GND
GND
GND
GND
C123 0603/47n/16V/7/RoHSC123 0603/47n/16V/7/RoHS
R21 0603/56R/1%R21 0603/56R/1%
1
32
D25
BAV99W/RoHS
D25
BAV99W/RoHS
C124 0603/47n/16V/7/RoHSC124 0603/47n/16V/7/RoHS
C23
0603/100n/25V/7/RoHS
C23
0603/100n/25V/7/RoHS
C128
0603/33p/50V/N/RoHS
C128
0603/33p/50V/N/RoHS
C9 0603/47n/16V/7/RoHSC9 0603/47n/16V/7/RoHS
R133
0603/10R/5%/RoHS
R133
0603/10R/5%/RoHS
C127
0603/33p/50V/N/RoHS/open
C127
0603/33p/50V/N/RoHS/open
R144
0603/0R/5%/OPEN
R144
0603/0R/5%/OPEN
R34 0603/56R/1%R34 0603/56R/1%
R25 0603/100R/1%R25 0603/100R/1%
D10
0603220KV05T/RoHS
D10
0603220KV05T/RoHS
R30
0603/75R/1%
R30
0603/75R/1%
1
32
D24
BAV99W/RoHS
D24
BAV99W/RoHS
1 2
3
D31
BAV70W/RoHS
D31
BAV70W/RoHS
R23 0603/56R/1%R23 0603/56R/1%
R68 0603/10K/5%/RoHSR68 0603/10K/5%/RoHS
R27 0603/100R/1%R27 0603/100R/1%
C11 0603/47n/16V/7/RoHSC11 0603/47n/16V/7/RoHS
C100
0603/220p/50V/N
C100
0603/220p/50V/N
TP
1
HSYNC1 HSYNC1
R55
0603/2.2K/5%/RoHS
R55
0603/2.2K/5%/RoHS
R60
0603/47K/5%/RoHS
R60
0603/47K/5%/RoHS
R29
0603/75R/1%
R29
0603/75R/1%
1
6
2
7
3
8
4
9
5
11
12
13
14
15
10
CN7
89263-6762
CN7
89263-6762
R78
0603/75R/1%
R78
0603/75R/1%
C158
0603/100n/25V/X/RoHS
C158
0603/100n/25V/X/RoHS
1 2
D30
BZT52-C5V6S/RoHS
D30
BZT52-C5V6S/RoHS
1 2
D33
UDZSF-5.6B/PbF
D33
UDZSF-5.6B/PbF
D2
0603/10p/varistor/OPEN
D2
0603/10p/varistor/OPEN
R136 0603/3.9K/5%/RoHSR136 0603/3.9K/5%/RoHS
C125 0603/47n/16V/7/RoHSC125 0603/47n/16V/7/RoHS
D6
0603220KV05T/RoHS
D6
0603220KV05T/RoHS
1 2
D32
UDZSF-5.6B/PbF
D32
UDZSF-5.6B/PbF
R64 0603/100R/5%/RoHSR64 0603/100R/5%/RoHS
R66 0603/0R/5%/RoHSR66 0603/0R/5%/RoHS
R129
0603/2.2K/5%/RoHS
R129
0603/2.2K/5%/RoHS
L8
BK1608LL121/PbF
L8
BK1608LL121/PbF
C129
0603/100n/25V/X/RoHS
C129
0603/100n/25V/X/RoHS
R24 0603/470R/1%R24 0603/470R/1%
R26 0603/100R/1%R26 0603/100R/1%
R54 0603/1K/1%/RoHSR54 0603/1K/1%/RoHS
C157
0603/100n/25V/X/RoHS
C157
0603/100n/25V/X/RoHS
R135 0603/10K/5%/RoHSR135 0603/10K/5%/RoHS
R57 0603/1K/1%/RoHSR57 0603/1K/1%/RoHS
D1
0603/10p/varistor/OPEN
D1
0603/10p/varistor/OPEN
C10 0603/47n/16V/7/RoHSC10 0603/47n/16V/7/RoHS
C159
0603/100n/25V/X/RoHS
C159
0603/100n/25V/X/RoHS
C126
0603/33p/50V/N/RoHS/open
C126
0603/33p/50V/N/RoHS/open
R35
0603/0R/5%/OPEN
R35
0603/0R/5%/OPEN
D29
0603220KV05T/RoHS
D29
0603220KV05T/RoHS
R131 0603/100R/5%/RoHSR131 0603/100R/5%/RoHS
C15 0603/1n/16V/7C15 0603/1n/16V/7
NC
1
NC
2
NC
3
GND
4
SDA
5
SCL
6
VCLK
7
VCC
8
U15
AT24C02-10TU-1.8/RoHS
U15
AT24C02-10TU-1.8/RoHS
1
32
D5
BAV99W/RoHS
D5
BAV99W/RoHS
L20 0603/0R/5%/RoHSL20 0603/0R/5%/RoHS
TP
1
VSYNC1 VSYNC1
: Mstar水波紋 參考
C100 ,C128電路增加
, R57 0.68然後將 的阻值
k 1k,改為
R54 0.1K 1k,的阻值 改為 將
C126 ,C127 OPEN
Phase issue: L20 120 bead將為歐姆的
0 改成 歐姆的電阻
:水波紋
IC靠
ViewSonic Corporation
65
VG2021m-1 Confidential - Do Not Copy