ViewSonic G90fB-4 - Schematic Diagrams

10．Schematic Diagrams
10-1. CPU
1.6K
R133
1
CS1
JUMPER
R110
6.2V
ZD101
The test condition of every IC PIN voltage :H-Freq:68KHZ;V-Freq:85HZ;Pattern:white;
1.321V
100
R122
B+ DRV
1.031V
<SW103>
1000P
C125
SDA
KEY1
0.004V
0
R408 100K
DDC-SDA
SELF
1
HZ4C2-E
ZD107
220 1/4W
R121
15K
R106
CS2
5K6
R182
2.2K
R137
0
+
C105
1uF
1.321V
100P
C128
100
R118
+12V
0.860V
1
V-SYNC-IN
+12V
0.549V
+
47UF
C100
DDC-SCL
5V
0.130V
1
1000P
C913
100
R117
+190V
NC
R157
6.2V
ZD105
Q414
TBC337-40
+
22UF
C145
0
62KHz~71KHz
180K 1/4W
R161
-24.85V
5K6
R127
R412
27K
BDRV
0.853V
VDF
KEY1
0.780V
1
3.9K
R116
12V
KEY1
KEY2
LED
GND
H803
4
3
2
1
5
100
R132
VSOUT
0.314V
100
R103
0
27K
R183
48MHz
X101
0
0.47U
C115
0
D107
IN5817
P-Sense
+5V
2.089V
0.020V
1K
R124
Green
LED2
100P
C121
10
R113
KEY2
0.004V
10K
R148
VSOUT
4.996V
0
470
R129
H-SYNC-IN
7.5K
R147
1.1K 1/4W
R136
1000
C106
470
R125
0
1
2.499V
3.035V
R411
3K9
100
C107
DEGAUSS
LED
0.004V
100
R101
+80V
0.010V
NC
R150
V-SYNC-IN
CS3
100
R104
1
CS4
0.140V
SAA4849PS
-120V
5V
2.077V
10K
R130
6.2V
ZD102
ABL
4.996V
D402 MLL4148
+12V
1K
R163
2K
R155
1UF 50V
C118
100P
C122
<SW102>
680
R151
0.218V
+12V
WP
0.011V
2.492V
56C1133-508
0
Jumper
C126
+6.1V
4.996V
100
R105
5V
CS1
1
100
R102
100
R139
39P
C127
220K 1/4W
R142
3.3K
R144
470
R154
2K4
R128
0.1UF
C101
4.999V
1
WP
1.726V
0.003V
47
R112
SDA
GND
DDC-SDA
DDC-SCL
SELF
H-SYNC-IN
V-SYNC-IN
DDC5V
VE
SCL
H802
6
8
9
10
7
5
4
3
2
1
0.047UF 100V
C117
2200
C109
0.1UF
C406
+5V
4.963V
Rotation
Q413
PH2369
CS2
1
1000P
C914
6.2V
ZD104
100
R115
2K2
R109
47 1/4W
J126
71KHz~83KHz
<SW102>
R419
22K 1/2W
0.324V
47
R119
TZX5V1B
ZD106
10K
J015
HCadj
1.286V
4.7K
R123
+12V
HUNLOCK
0.005V
45KHz~51KHz
2K2
R138
H-LIN
5.015V
40.5KHz~45KHz
CS3
4.7K
R149
0.01uF
C123
56C1125-575-X
IC101
1
2
3
4
52
53
54
5
50
6
7
8 49
9
10
11
13
14
15
16
17
18
19
20
21 36
37
38
39
40
41
42
43
44
45
46
47
48
51
12
55
56
22
23
24
25
26
27
28
35
34
33
32
31
30
29
SwiChoice
ISCL
ISDA
Mute G1
Hs
Vs
DSCL
ROTA
Pro
H-LIN
Unlock
CLAMP VsOUT
CS1
CS2
CS3
OFF
VSSE
VDDD
V5V
VSSD
BDRV
HBGND
HDRV
HFB Iref
Vref
AGND
Bsens
Bin
BOP
Vssa
VDDA
MODE
XTAL1
XTAL2
NC
REM
EEP W/R
CS4
DSDA
SELF
XRAY
RST
Vfocus
Deguss
ABLadj
KEY2
KEY1
EWdrv
VOUT2
VUOT1
EHT
HCadj
Uvolt
Sincolor
93C22-48-H
0
J071
Jump
<SW101>
100
R166
<83KHz
2N2
C116
VER+
0.1UF
C103
0.017V
0.1UF
C102
6.2V
ZD103
3.9K
R134
LED
2.324V
1
2K2
R108
+6.1V
G1
3.246V
4.858V
NC
R114
H-FLY
3.212V
1K
R162
2K4
R181
2200
C124
CS4
5V
1K 1/4W
R120.
D401
MLL4148
62
R167
+
10UF 16V
C119
1
4.984V
1
Q401
PH2369
Q902
PH2369
LED
2.474V
+
100UF 16V
C104
10K
R126
HUNLOCK
5.008V
4.859V
1
NC
C114
HDRV
2.658V
51KHz~62KHz
10
R111
ABL-CON
100
R164
1000
C108
DDC-SCL
Q412
BF423
8K2
R146
4K7
R107
VER-
4.980V
1
+
C405
100U
16V
0.019V
0
+80V
+12V
GND
+5V
CLBL
ABL
H-FLY
Bri
G1
+6V
Vs
H801
6
8
9
10
11
7
5
4
3
2
1
100
R159
G1
0.191V
0
100
C110
B+ DRV
KEY2
0.728V
0.1UF
C120
Q415
TBC327-16
1
R416
75K 1/4W
100
R143
8.2K
R165
100
R140
0.232V
<33KHz
<SW104>
SCL
3.281V
H-FLY
3.362V
OFF
KEY1
2.912V
0.004V
1
SELF
DDC-SDA
(SW103)
Orange
LED2
CS 真值表
M24C08-BN6
IC102
8
5
6
1
2
3
7
4
VCC
ISDA
ISCL
A0
A1
A2
WP
A4
100P
C129 2.2K
R131
2.7K
R153
100
R145
470
R135
R407
1K
0
H-SYNC-IN
1
2K2
R141
0.004V
+12V
4.511V
33KHz~40.5KHz
KEY2
0.673V
0.591V
100
R172
5V
0
ViewSonic Corporation Confidential - Do Not Copy G90fB-4
46