Schematic Diagrams - ViewSonic E90fB-4 Service Manual

715A1415-* 80V 12V SAA4849
CMPC-P985D-1
D103
5V
1N5817
HS
ZD102
C131
6.2V
33PF
VS
C130
ZD103
6.2V
1000PF
DSCL
ZD104
6.2V
DSDA
ZD105
R156
GND
6.2V
2K7
Sense
2SC1213
Q906
H803
C483
CON5_0
+
ZD902
220U 16V
C909
V5V 5.6V
+
100U 16V
ISCL
R903
GND
430 1/2W
ISDA
12V
D705
Hfb
1N4148
R718
HFB
VO 2k2
HO
IC102
6.3V
56A1133-508
ABL 1
A0 VCC
4.943V
G1
2
A1 WP
80V
4.93V
GND 3
A2 ISCL
4.412V
H802
4.286V
4
A4 ISDA
M24C08-BN6
5V
ZD106
+
NC
ViewSonic Corporation
51
R141
33K
J061
JUMP
R157
2K7
J062 NC
R158
4K7
R122
100
R118
1K2
R152
1K
R120
100
R440
33K
R489
33K
C100 C101
+
47UF
0.1UF
16V
8
R148
4K7
R109
7 R108
2K2
2K2
6
R105
R117
100
100
5
R103
R143
100
100
C104
+
C103
100UF 16V
0.1UF
R119
47
R123
4.7K
R112
150
R106
R107
15K
4K7
C145
22U
R153
2.7K
R116
3.9K
R101
100
R102
R130 R126
R104 2K4
10K 10K
100
R167
R129
C106
470
2K4
1000UF
R183 R182
R181
27K 5K6
2K4
R127
5K6
Confidential-Do Not Copy
10．SCHEMATIC DIAGRAM
R121
R166 R447 Jumper
JUMPER
4K7
R139
IC101 33K
100
R128
1 56
SwiChoice CS3
2.431V
10
R110
2 55
ISCL DSDA
C107
+ 4.388V C122 R113
4.936V R111
100PF 1.8K
100p
10
3 54
ISDA DSCL
C110 C121
4.253V 4.94V
+ R114
100p
100PF
4 53
CSO Vs
0.046V R132
0.042V
100
5 52
ROTA Hs
R172
2.282V 0.35V
100
6 51
H-LIN EEP W/R
4.42V 4.93V
R145
100
7 50
Unlock Pro
0.202V 4.134V
R159
100
8 49
CLAMP VsOUT
0.284V 0.144V
R140
9 48
CS1 REM
100
4.747V
10 47 3K3 ZD107
CS2 NC
R168
TZX5V1B
4.747V
11 46
NC XTAL2
X101
0.284V
1.355V
48MHz
12 45
standby XTAL1 93C22-48-H
4.909V
1.353V
13 44
CR MODE
4.910V
14 43
VSSE VDDA
3.283V R131
C119 C120
+
0.1UF 2.2K
10UF 16V
15 42
VDDD Vssa
3.94V
0.057V
16 41
V5V BOP
4.94V C117
1.392V C118 C126
1500PF 100V Jumper
1UF 50V
17 40
VSSD Bin
2.173V
18 39
BDRV Bsens
0.846V
0.705V
C116
2N2
19 38
HBGND AGND
C115
0.47U
20 37
HDRV Vref
0.535V 2.519V
21 36
HFB Iref
R134
0.793V 2.527V
3.9K
22 35
XRAY EWdrv
R151
C114
0.974V 3.159V
470
2200PF
23 34
RST VOUT2
C102
C109
0.252V 0.925V
0.1UF
2200PF
24 33
Vfocus VUOT1
C124
R154
3.043V
0.927V
2200 470
25 32
Deguss EHT
2.57V C108 R137 C127
0.4043V
75K 470PF
2200 NC
26 31
HD DouColor
C111 R164
0.23V
100
0.1UF
27 30
KEY2 Uvolt
4.801V 5.557V C123
R146 R147
R125
10000P
56K
470 28 29 7K5
KEY1 SinColor
1/4W
4.802V 0.276V
R115
NC
56A1125-575-x
LED J022
55V
NC NC
ZD101
81A3-7-GP
E90fB-4
P102 NC
J074
NC
1.8K
10K
R149
R133
R144
7K5 1/4W
10K
C125 NC
47UF
R142 R161
18K 120K 1/4W
D103
NC
C434
4.7UF
R135
470
+
D104
1N4148
LED3
LED4
Green
Orange
J78
R162
NC
1K
R155
2.4K 1/4W
R163
1K
CON5_0
KeyBoard小板所需插PIN
J076 J077
NC NC
5V
KEY2
KEY1
R134 R136
R104
R103
5.6K
5.6K 2.4K
2.4K
NC
12V
C946
B+
R967
0.1UF/250V
47K 1/4W
80V
R150
R972
R969
120K 1/4W
2K 1/4W
39K 1/4W
VR902
2K2
R165
100
R416
R420
R417
220K 1/4W 120K 1/4W
36K 1/4W
C433
+ D929
22U 50V
UF4004
D914
BAV20
VG
C702
0.01 100V