Schematic Diagrams - ViewSonic PerfectFlat E90fB-4 Service Manual

10. Schematic Diagrams

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 8
A0 VCC
4.943V
G1
2 7
A1 WP
80V
4.93V
GND 3 6
A2 ISCL
4.412V
H802
4.286V
4 5
A4 ISDA
M24C08-BN6
5V
ZD106
+
NC
ViewSonic Corporation
R141
33K
J061 R139
JUMP 100
R157
2K7
J062 NC
+ C107
100PF
C110
R158 +
100PF
4K7
R122
100
R118
1K2
R152
1K
R120
100
R440
33K
R489
33K
C100 C101
+
47UF
0.1UF
16V
R148
4K7
R109 R108
2K2
2K2
R105
R117
100
100
R103
R143
100
100
C104 +
C103
100UF 16V
0.1UF
R119
47
R123
4.7K
R112
150
R106
R107
15K
4K7
C145
22U
C102
R153
0.1UF
2.7K
R116
3.9K
R101
100
R102
C111
R130 R126
R104 2K4
0.1UF
10K 10K
100
R167
R129
C106
R125
2K4 470
1000UF
470
R183 R182
R181
27K 5K6
2K4
R127
5K6
46
Confidential - Do Not Copy E90fB -4
R121
R166 R447
Jumper
JUMPER
4K7
IC101 33K
R128
1 56
SwiChoice CS3
2.431V
10
R110
2 55
ISCL DSDA
4.388V
4.936V C122 R113
R111
100p 1.8K
10
3 54
ISDA DSCL
C121
4.253V
4.94V R114
100p
1.8K
4 53
CSO Vs
0.046V R132
0.042V
100
5 52
ROTA Hs
2.282V R172
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
10K
R140
9 48
CS1 REM
100
R149
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 C119 R131
C120
+
0.1UF 2.2K
10UF 16V
15 42
VDDD Vssa
3.94V 0.057V
16 41
V5V BOP
C117 R133
4.94V 1.392V C126
C118
7K5 1/4W
1500PF 100V Jumper
1UF 50V
17 40
VSSD Bin
2.173V
18 39
BDRV Bsens
0.846V
0.705V
C116
19 38 2N2
HBGND AGND
C115
20 37 0.47U
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
C109
0.252V 0.925V
2200PF
24 33
Vfocus VUOT1
C124
R154
3.043V
0.927V
2200
470
25 32
Deguss EHT
R137
2.57V C108 C127
0.4043V
75K 470PF
2200 NC
26 31
HD DouColor
R164
0.23V
100
27 30
KEY2 Uvolt
4.801V
5.557V C123
R146 R147
10000P
56K
7K5
28 29
KEY1 SinColor
1/4W
4.802V
0.276V R115
NC
56A1125-575-x
LED J022
55V
NC NC
ZD101
81A3-7-GP
CON5_0
P102 NC
KeyBoard
J074
NC
R144
10K
C125 NC
47UF
R150
R142 R161
18K 120K 1/4W 120K 1/4W
D103
NC
C434 R417
4.7UF 36K 1/4W
R135
470
+
D104
1N4148
LED3
LED4
Green
Orange
J78
R162
NC
1K
R155
2.4K 1/4W
R163
1K
PIN
J076 J077
NC NC
5V
KEY2
KEY1
R134
R136
R103 R104
5.6K
5.6K 2.4K
2.4K
NC
12V
C946
B+
R967
0.1UF/250V
47K 1/4W
80V
R972
R969
2K 1/4W
39K 1/4W
VR902
2K2
R165
100
R416
R420
120K 1/4W
220K 1/4W
C433
+ D929
22U 50V
UF4004
D914
BAV20
VG
C702
0.01 100V