viewsonic c70 schematic
12 SCHEMATIC DIAGRAM
2
V
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Viewsonic E70
Teozama
Chassis 715A100811 CMPCB763Z1
0.1UF
6.5V
3DG945P
12V
14V
R905
Q908
325V
6K2
HSB772P
ZD402
5V1
(NC)
HSB772P
R957
R958
Q907
(NC)
C412
(NC)
100
0.047/100V
B+ ADJ
VR902
30K
R972
10K
R971
100K
R973
22K
D431
1N4148
+
4.7UF
5K6 1/6W
L906
73A253-88-H
IRF634B
R962
56 1/4W
D926
Q909
+
C938
1000uF/16V
47K 1/4W
R902
4.7K
1K 1/4W
3DG1213C
R910
91K£[
D110
1N4148
R951
220 1/4W
C925
10UF
8
Q911 G
9.38V
31.6US
ZD704
C428
68K 1/4W
C957
0.1U
C461
R444
Q911
C948
47PF 50V
NC
1N4148
R907
470 1W
Q902
5V1
R709
470
R412
100
R969
R970
6K8
Q401
2PC945P
JUMPER
C941
0.1uF 50V
R960
47K 1/4W
+
9
R432
100
C434
4.7UF
FB907
R906
10 1/4W
Q403 C
15K 1/6W
C959
0.33
C408
0.01
3DG1213C
100 1/4W
30K 1/4W
31.8US
Q701
2PC945P
R437
R420
+
1N4148
ZD410
R989
470 2W
100 1KV
Q912
Q920
2SA673AC
R979
JUMPER
R909
C908
0.1uF
R953
1.26KV
R705
13K 1/4W
C946
D411
UF4004
R438
150K
1/2W
R418
39K
1/2W
10K
D403
5V1
R431
10K
220 pF/1KV
C955
NC
NC
+
C427
10UF
MUTE B+
C950
D925
RG-4
10
EWOUT
+VOUT
-VOUT
NC
D991
1N4148
T401 PIN3
H-OUT
13.5V
HOUT
NC
V-OUT
HBLK
5V
BLK
B+
R967
NC
F.B
H-UNLOCK
R980
220 1/4W
R934
JUMPER
JUMPER1
1
2
31.8US
715A992-*
P802
1
2
3
4
5
6
CONN
FB901
JUMPER
+
C951
47uF 200V
13.5V
R913
2K2
Q910
2PC945P
R908
15 1/2W
Q903
3DG945P
R911
1 2
Q905
3CG733P
+
C462
100UF
(NC)
R965
10 1/4W
CN903
98.8V
715A1016
-*
R/I
123
G/I
B/I
JUMPER
123
EMI FILTER
123
B+
BOUT
13.5V
ROT.
6.3V
OFF
11
IC901 PIN1
31.6US
C822
0.1
P801
CONN
R738
1500 500V
C431
NC
R821
7K5
C878
39PF
SCL
5V
C404
0.022UF
18
C860
0.1/100V
R820
43K
FB807
+
C829
JUMPER
+
47uF/100V
C809
C843 100 1KV
4.7uF
FB805
100UF/16V
IC802
C826
C827
+
LM2468
JUMPER
NC
4
1
Vcc
R O/P
8
Vbb
L801 0.22uH
9
I/P
3
G O/P
6
I/P
L802 0.22uH
7
I/P
L803 0.22uH
2
5
B O/P
GND
R827
220
IC803
LM2480NA
1
8
Ri
Ro
2
7
Gi
Go
3
6
Bi
Bo
C823
C821
C824
4 5
GNDVCC
0.1uF
0.1uF
0.1uF
FB852
JUMPER
C825
NC
FB850
JUMPER
+
C870
C848
NC
NC
+
C871
100UF/16V
12V
80V
VF
G1
CLP
ABL
SDA
HF
H.T
123456789
1011121314
B+
R747
150K 1/2W
R741
D741
150K 1/2W
R746
+
C740
TBA157
1M 1/2W
1UF 450V
20K 1/2W
C705
1NF 1KV
Q742
C743
+
2SC4002E
2.2UF
C741
R748
R749
100K
R751
7K5
330PF
470
T402
79AS763-A
!
1
EHT
F1
F2
2
G2
11
R704
3
10
C706
1.2M
12
0.1UF
1/4W
NC
6
4
8
D703
1N4148
9
TP403
R401
2M 1/4W
2M
1/4W
T403
79A167-126-HA
8
5
L404
NC
4.7mH
NC
SG489
1
4
100pF/2KV
1000 1KV
JUMPER
1KV
R752
100
NC
R723
5
100 2W
7
R452
R730
JUMPER
C488
NC
C720
C703
100PF
R708
R703
11K
2K2
F.B
HBLK
D430
PS156R
C450
R456
100pf
220 3W
C480
100pf
R407
10 2W
R457
56
NC
NC
D419
D418
123
P403
Q403 B
17.7V
31.8US
R857
C840
1M£[ 1/4W
1UF/100V
D850
BAV21
D856
BAV20
C853
C859
1uF/100V
NC
L850
R860
R854
D851
0.33uH
JUMPER
51£[ 1/4W
BAV21
R858
1M£[ 1/4W
D852
R855
BAV21
51£[ 1/4W
C854
1uF/100V
R856
51£[ 1/4W
L851
D853
0.33uH
BAV21
+
D854
C834
NC
BAV21
C832
1UF/100V
C855
1uF/100V
L852
0.33uH
D855
BAV21
R848
2.2£[ 1/2W
VDF
12V
ABL
JUMPER
R859
1M£[ 1/4W
CRT1
C856
CRT
0.1uF/100V
R
G
B
R872
56£[ 1/2W
G1
G2
H
C864
0.1/100V
D857
BAV20
C857
0.1uF/100V
C861
C875
NC
0.1
R873
R861
56£[ 1/2W
C874
0.01/2K
C873
1000/500V
C867
D863
1UF/100V
PS156R
D858
C858
0.1/100V
56£[ 1/2W
R880
560K£[ 1/2W
R879
100£[ 1/2W
R874
C828
100PF/
G2
FOCUS
VS
MAD
BAV20
C862
NC
R862
JUMPER
R740
R702
95A90-23
D705
1N4148
R776
C407
C704
+
1K
0.1UF
1UF
NC
NC
R450
0.047UF
ZD403
C436
10K
Q409
1/4W
2B2
C945
VR704
+
R721
R726
C710
1K 1/2W
0.1uF 100V
1K£[
D707
FR157S
R724
+
C713
120K 1/2W
22uF/250V
(NC)
VR702
JUMPER
R725
270K 1/2W
Q705
R715
BF423
62K£[
R706
3K3
ZD701
4.2V
ZD703
R713
R712
TZX3V
5K6£[
330
ZD702
R701
5.1V
NC
1K
D420
+
R707
1N4148
C702
30
10uF/50V
NC
BRI
MUTE B+
6.3V
MODEL
P773Y-1
P/N
P773Y-1-01-A
DATE
OCT-24-03
TP701
APPROVED BY
D704
JUMPER
DRAWED BY
CHECKER
P402
V-DY
!
1
2
3
H-DY
4
E.H.T
F1
FOCUSE
G2
H803
6.3V
H/V
95V
HBLK
IC801
NT6812
R OSD
H-FLYBACK
G OSD
CLAMP
B OSD
OSD SEL B_OUT
B_IN
R_OUT
R_IN
G_OUT
G_IN
B/V OUT
ANALOG GND
DIGITAL GND
ANALOG VCC
DEC 1 OUT
VREF
DEC 2 OUT
SDA
DEC 3 OUT
SCL DEC 4 OUT
C815
JUMPER
R819
24
NC
C808 10
23
R818 1K£[
22
ABL
20
19
FB801
71A55-19-T
18
+
C805
17
C833
100
0.1
16
R825 1K£[
15
R824 1K£[
14
R823 1K£[
+
C814
100
+
C810
47UF 50V
R826
C813
220
100
FB802
D803
JUMPER
1N4148
R805
C802 0.1
33£[
C817
R802
NC
75
D804
1N4148
FB803
D801
1N4148
R804
33£[
C818
C801 0.1
R801
NC
75
D802
JUMPER
1N4148
L804
FB804
BEAD
D805
R806
1N4148
33£[
C803 0.1
C819
R803
D806
NC
75
1N4148
1
2
+
C806
C804
R835
3
1UF
0.1uF
10K
4 21
5
6
7
8
C811
C835
0.01
NC
C816
R832
C812
R830
+
9
100uF
R831
5K6
0.1
390K
10
R814 100£[
11
C877
12 13
100
R815 100£[
C876
100
V-OUT
D603
1N4148
D740
13K 1/4W
TBA157
4K3 1/4W
79A167-125-T
T401
D404
1N4148
R434
3K9
Q405
R436
2K2 1%
C463
IC101 PIN34
5.09V
31.6US
7
+I/P
6
-I/P
R604
1 6
3 4
R493
10 1/6W
R471
56K£[
R494
10 1/6W
R474
100K 1/4W
10 1/6W
R466
100K 1/4W
C606
47UF
132
VCC
1N5817
5
C415
4700 100V
R425
100 1/4W
R490
39K£[
R492
+
+O/P
N
GND
4
10 1/2W
R440
CEPF630
15
Q406
TIP122
IC601
VF
R605
D405
FR155
2k4 1/4w 2%
C421
CEPF630
Q428
IC101 PIN33
16.68MS
D602
1N4148
TDA4863AJ
5
R428
1 3W
R427
22 1/2W
R429
10 1/2W
D407
Q426
Q431
CEPF630
5.06V
R616
C607
1000PF
C615
470 100V NC
C604
0.22UF
FB405 JUMPER
2SC5929
C417
0.15UF
FMP-2FUR
R441
82K 1/2W 1%
73A253-69-T
D735
1N4148
NC
Q735
4700pF/1KV
BF423
NC
R476
220K 1/4W
C416
0.3UF
R472
220K 1/4W
0.47UF
C438
16
VIODE OUT
31.7US
R606
180
1/2W
R607
1.5 1W
Q403
D406
ER106
L405
C422
0.68uF/100V
R734
68K 1/4W
C426
0.15UF
D408
NC
59.4V
R613
240K 1/4W£[
C610
0.082UF
R612
4.7 1/2W
NR615
300
0.0043uF/1KV
73A147-529-H
R735
100K 1/2W
NC
C425
0.22UF
P801
17
PIN7,9,11
31.6US
1K 1/2W
C418
5100/1.6KV
FB402
JUMPER
FB403
71A55-19-T
C419
L401
706MV
C430
D601
1N4004
R608
14V
4.7 2W
+
C605
100uF/16V
R601
+VOUT
24K 1/4W
R602
C601
3K9 1/4w
3300
NC
R603
-VOUT
12K 1/4W£[
C602
R610
3300
220 2W
R620
-12V
2.2 1/2W£[
C608
+
C603
100uF/16V
NC
14V
R426
33 3W
C414
ZD420
0.47UF 100V
D460
TZX20B
C413
R422
1K6 1/4W
1N4148
Q402
D450
0.1
R423
1N4148
2SK2962
20K£[
D401
+
IN5817
C410
220uF/16V
JUMPER
Q404
R433
3CG733P
C460
3CG733P
R414
4700PF
1K3 1/4W
HOUT
100 1/6W
13.5V
EWOUT
0.01 100V
14V
R442
D463
1K 1/2W
R443
Q407
CS0
CS1
CS2
531V
47K£[
12
3DG945P
1K 1/2W
3DG945P
R447
10K 1/4W
10K 1/4w£[
T904 PIN7
31.8US
R424
10K 1/4W
R134
FR107
C429
3300
D470
R473
R475
4K7
JUMPER
FR107
C470
Q408
3300
D436
R176
R465
FR107
4.7K 1/6W
Q130
C445
3DG945P
3300
T902
13
14
278V
15V
31.8US
P773Y-1
715A1008-*-1
H802
M24C08-BN6
H803
R968
1K2
6.5V
CN902
10M 1/2W
1
2
D131
PC5V
1
2
3
4
5
6
7
8
9
10
11
12
IC102
NC
R986
NC
HS
VS
SCL
R112
100 1/6W
SDA
C112
GND
22PF
12V
CLP
ISCL
ISDA
VBLK
R135
5K1
R136
C105
5K1
D113
10UF/16V
8
1
A0
VCC
+
1N5817
(NC)
237
4
1
2
3
4
5
!
R982
10K 1/4W
22uF/16V
JUMPER
A1A2WP
6
ISCL
R106 100 1/6W
5
ISDA
4
R108 100 1/6W
kY
R151
PIN36
100 1/6W
PIN37
R143
GND
10K 1/6W
GND
R127
R128
R125
R123
3K9
6K9
2K7
5K6
LEFT
EXIT
RIGHT
SW101
ENTER
SW102
SW104
SW103
ZD101
5.1V
14V
DEG.
R981
100 1/2W
+
C966
!
PTCR
PR901 90
NOTES:
This schematic,we can not guarantee the accuracy of this information,
after the date of publication and disclaims liability for changes ,
errors or ommissions.
77A260-7-W
D939
1N4148
R983
10K1/4W
(NC)
t
0.0033uF/4000VAC
RY901
!
Q913
3DG945P
C963
JUMPER
CN901
!
!
J2
!
2
1
NR901
!
1M 1/2W
1N5408
1N5408
D902
!
!
D904
D901
1N5408
1N5408
!
C905
0.22uF/275VAC
!
C964
0.0033uF/400VAC
L902
73A174-7-L
NC
2
3
1
4
1 2
!
C902
0.33uF/275VAC
2
!
1
R901
470K£[ 1/2W
F901
4A/250V
FB910
JUMPER
t
R928
D903
!
!
1 2
3
L901
73A174-7-L
4
!
1K 1/6W
C108
22PF
C109
22PF
C114
R152
4K7 1/6W
R133
4K7 1/6W
5V
150
2200 100V
J1
JUMPER
FB911
JUMPER
1K 1/6W
C116
47UF
0.1UF
R935
330K
C920
R118
LED
R100
+
X101
12M
470K 1/4W
470K 1/4W
DEG.
ZD902
TZX20B
C962
(NC)
C918
3300P
R117
IC101
NC
NT68F65
1
LED G
VSYNC
2
LED R
HSYNC
3
NC
43839
RESET
5
VDD
6
V3.3
KEY B
7
KEY A
GND
8 35
OSCO NC
9
OSCI
HSYNCO
10
NC
VSYNCO
11
NC
12
ISDA
13
ISCL
14
DEG.
15
KEY
16
WP
17
V/D
DSCL
18
NC
DSDA
19
NC
20
NC
21 22
HE MUTE B+
R430
2.2K
1/6W
MUTE B+
HE
R923
R924
ZD903
NC
IC901
(NC)
1
COMP.
Vref
UC3842
2
F.B.
3
Is
4 5
Ct/Rt GND
R914
1K8 1/4W
39K 2% 1/4W
R995
39K 1/4W
C995
(NC)
BRI
ROT
OFF
CS0
CS1
CS2
ABL
NC
NC
P/S
C111
0.1UF
D909
1N4005
R925
47K 1/2W
Q904
HSP44TA
+
C906
10UF
Vcc
O/P
R940
R111
HL
1K 1/6W
1K 1/4W
R996
10K
D995
100 1/6W
42
41
40
37
36
34
33
32
31
30
29
28
27
26
25
2K7 1/6W
24
23
R175
10K 1/6W
NC
R101
1K/NC
C102
R120
2.2UF/16V
NC
+
OFF
ABL
Q906
3DG945P
R912
47K 1/4W
C916
100uF/25V
8
C921
7
0.1UF/63V
6
R938
220 1/4W
R930
(NC)
C924
3300 100V
R944
5.1K 1/4W
R115
2K7 1/6W
R122
+
VR903
100
R937
100 1/4W
3DG945P
C113
22PF
100
R102
R104
10K 1/6W
R119
10K 1/6W
NC
HL
BRI
!
D912
1N4148
SW901
+
77A411A-3-S
14V
R985
330 1/4W
D913
1N4148
R939
20K 1/4W
R942
68 1/4W
Q990
+
C110
1UF
CS2
+
R109
100
C131
1000PF
R124 10K 1/6W
R132 NC
R153
10K 1/6W
+
R130 4K7 1/6W
R129 4K7 1/6W
R121 4K7 1/6W
R113 4K7 1/6W
R107 4K7 1/6W
R991
56 3W
R126
1K 1/4W
CS0
CS1
C907
150uF/450V
ZD901
TZX20B
R915
1K5 1/4W
D914
1N4148
R919
10K 1/4W
TP701 G1
1
ZD103
5.1V
10 1/6W
C146
4.7UF
R110 4K7 1/6W
R161 4K7 NC
Q921
3DG1213C
ZD110
5.6V
12V
R927
33K£[3W
C915
0.01/2KV
+
C926
2.2uF/50V
D911
BAV20
NC
D917
BAV20
+
C960
2.2UF
C923
100PF
ZD939
(NC)
C965
0.01uF
R941
150 1/4W
R993
10K 1/4W
2
60.7V
R105
+
10 1/4W
T901 PIN13
31.8US
C150
100UF/16V
5V
ROT.
FB906
71A55-19-T
D910
FR107
R931
10 1/4W
JUMPER
R943
4700PF
400VAC
Q901
STP7NC70ZFP
C922
0.01 100V
R929
0.22 2W
D990
1N4148
+
C990
1UF/50V
208V
C903
ZD106
5.1V
SYNC+
3
R114 100
R419
39K
H-UNLOCK
VS
C927
1000PF
NC
FB904
95A90-23
FROM
FBT
SYNC-
T402 PIN13
31.9US
MAD
1000PF
C132
R103
100
C401
0.1UF
R483
2K7 1%
541V
C611
R421 22K
C613 0.1UF
7
5
1
3
2
R404
100
0.22UF
C402
R409
8200PF
3K3
R402
1K2 1%
C403
C406 0.01UF
C405
0.47
R405
15K 1/4W
D414
JUMP
H/V
T901
80AS763-1-NE
+
4
IC601 PIN5
42.8V
16.68MS
0.01UF
NC
R406
220
R410
C614
220
100PF
C446
100PF
IC401
BSENS
TDA4841
D412
JUMPER
VDF
D918
BYV26C
FB905
JUMPER
D930
UF4004
FB903
JUMPER
R955
71A 55-19-T
722V
CLBIH.UNLUCK
VOI+
VOR-
XSEL
HDRV
BDRV
XRAY
HFLB
HS
VS
EW
VCC
GND
BIN
BOP
RG-4
1617
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
D919
+
C942
100uF/16V
D922
RG-4
D923
ER202
Q911 D
6
31.8US
ZD401
12V
+
+
82.5V
NC
R411
100K
BOUT
JUMPRE
L903
C929
47UF 50V
57V
C931
390uF 80V
L907
JUMP
TP901
+
1000uF/25V
+
C939
470uF/16V
R417 2K
R947
JUMPER
C447
10PF
(NC)
C936
47K 1/4W
7
R415
1K
D402
1N4148
C409
+
C411
470UF
16V
R413
15K
C958
2200
100
95V
-12V
R952
T901 PIN11
31.8US
R435
10K
18
SCL
R403
100
19
SDA
20
RSCOR
21
VS MAD
22
V ABC
23
V REF
24
V CAP
25
GND
26
PLL1
27
H BUF
28
H REF
29
H CAP
30
PLL2
31
HS MAD
32
FOCUS
R439
22K
NC
TP401
!
9
101110
8
13
14
12
11
++
T402 PIN13
5
16.6MS
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