Schematic Diagrams - ViewSonic E70FSB-2 - E 70F+SB - 17" CRT Display Service Manual

10. Schematic Diagrams

5
P773Z-1(VSC)
715A1008-*-1
H802
1 PC5V
HS
2
3 VS
R111 100 1/6W
4 SCL
SDA R112 10
5
6 GND C112 C117
R117
NC 100UF
12V 1K 1/6W
7
8 CLP
R118
+ IC101
R136
9
1K 1/6W
NT68F63U
5K1
10 ISCL 1 42
LED G VSYNC
D
ISDA
11
2 41
LED R HSYNC
12 VBLK R135 5K1
LED
3 40
NC BRI
ZD104
ZD107 R100
1K 1/6W
TZX5V1B
4 39
DINS4-4060 RESET ROT
C150
100UF/16V
5 38
VDD OFF
+
6 37
C116 V3.3 KEY B
47UF
+
7 36
C108 GND KEY A
22PF
ZD105 8 35
+ C104 OSCO NC
HZ5C2
100UF/16V X101
IC102
9 34
C109 12M OSCI HSYNCO
M24C08-BN6
D113
1 8 10 33
22PF
A0 VCC NC VSYNCO
JUMPER
C105
2 7 11 32
A1 WP NC CS0
0.1UF
3 6 12 31
A2 ISCL ISDA CS1
R106 100 1/6W
4 5 13 30
4 ISDA ISCL CS2
R108 100 1/6W
14 29
DEG. ABL
R151
15 28
KEY NC
100 1/6W
C114 16 27
WP NC
0.1UF
R143
17 26
V/D DSCL
10K 1/6W
18 25
NC DSDA
R123 R125 R127 R128
19 24
NC P/S
JUMPER 3K9 3K9 6K8
20 23
NC HL
21 22
C HE MUTE B+
R101
4K7
ZD101 R152
4K7
5.1V
R968
R120
1K2 1/4W
680
R133
1K
C111
10UF
NR901
! 150
R923 D909
R928 470K 1/4W 1N4005
1M 1/2W
R924 R925
470K 1/4W 47K 1/2W
1N5408
Q904
KSP44TA
1N5408
D902
D903 ZD902
+ C906
!
77A260-7-W ! TZX20B
CN902
10UF
RY901
1
! !
R900
! D904
B 10M 1/2W D901
2
R981 1N5408 1N5408
D939 R935 C918 IC901
330K 3300P
! 1N4148 1 8
100 1/2W C962 COMP. Vref
4700U/250V
R982
!
2 7
10K 1/4W Q913
F.B. Vcc
C905
+ 3DG945P
4700U/275VAC
C966
3 6
Is O/P
22uF/16V
4 5
! Ct/Rt GND
! PTCR
!
PR901 90 C964
C963
0.0033uF/400VAC
0.0047/250V R914
1K8 1/4W
C905
0.47U
! R940
39K 2% 1/4W
L902
J1
J2
JUMPER
JUMPER
R930
!
1K 1/4W
C902 C920
0.33uF/275VAC
2200 100V
L901
!
73A174-7-L
R901 !
470K 1/2W
A
F901
!
4A/250V
FB911
FB910
CN901
JUMPER JUMPER
2
! 1
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.
5
ViewSonic Corporation
4
R103
100
C113 R109
NC
100
C131
R102
ZD103 1000PF
100 R114
HZ5C2
R105 100
10
ZD106 C132
HZ5C2 1000PF
R132 4K7 1/6W
R153
R435
10K 1/6W
10K
IC401
+ C146
17
4.7UF
H.UNLUCK
R404
100 18
SCL
R403
100
19
SDA
20
RSCOR
R130 4K7 1/6W
21
VS MAD
C611 0.22UF
R129 4K7 1/6W 22
V ABC
R421 22K
R121 4K7 1/6W 23
V REF
C613 0.1UF
R113 4K7 1/6W
24
V CAP
R110 1K 1/6W 25
GND
C402
C401 R409
R107 1K 1/6W 8200PF
26
PLL1
3K3
0.1UF
27
H BUF
R402
R483
1K2 1% 28
H REF
R419 2K7 1% C403 0.01UF
29
30K H CAP
C406 0.01UF
C405 30
PLL2
0.22UF
63V
31
HS MAD
R991
Q921 J014
32
220 1W 3DG1213C 1N5817
FOCUS
C405
0.47
R126 TDA4841
470 1/4W R405
R439
15K 1/4W
30 1/6W
ZD110
HZ6C2 D412
JUMPER
D414
JUMPER
+
TP401
FB906
71A55-19-T
T901 !
C907 R927
+
!
80AS763-1-NE
220uF/400V D918
33K 3W
7 9
+
BYV26C
C915 47UF 50V
10 10
D910 C927
0.01/2KV
FR107 330PF 8
Q906
NC
3DG945P FB905
JUMPER
5
D912
11
1N4148 + C926
R912 2.2uF/50V FB904
47K 1/4W 71A55-19-T
SW901 D911 R931 D930
1 13
BAV20 10 1/4W UF4004
77A411A-3-S
C916 +
100uF/25V
C921 3 14
0.1UF
FB903
JUMPER
R915 D917 R943
12
VR903 2K4 1/4W BAV20 10 1/4W R955
2
100 71A 55-19-T
14V
C903
NC 11
R985 + C960
2.2UF
360 1/4W + +
C923
R937
150 1/4W 220PF/1KV C964
Q901 3300P/250V
R938 D913
STP7NC70ZFP
220 1/4W 1N4148
R939 C961
20K 1/4W 1000P/400VAC
R929
0.27 2W
C965
0.01uF
SYNC+
C924 D914
R941 FROM
3.3NF 1N4148
FBT
150 1/4W
R942
SYNC-
68 1/4W
TP701 G1 4 IC601 PIN5 T402 PIN13
1 2 T901 PIN13 3 T402 PIN13 5
722V
60.7V 208V 541V 42.8V
31.9US
31.8US 16.68MS 16.6MS
4
97
Confidential – Do Not Copy E70f-5_E70fB-5_E70fSB-5
3
V-OUT
P801
5V
1
FB801
2 R/I
HBLK
R801
R406 3 GND
ZD704 75
5V
220
FB802
5V1
G/I
4
GND
5
R802
H-OUT
75
R705
B/I
6
13K 1/4W
R410 C614
GND
7
220 100PF
Q701 BLK
R709
8
2PC945P
C446 470
R803
100PF H-S
9
EWOUT 75
R415 12V 10 V-S
HOUT
R412 DSCL
1K
11
100 R432
DSDA
+VOUT 12
100
16
CLBI
C428 -VOUT
15
HS 0.047/250V R437
P802
B+ 5V
14 1
VS B+ ADJ 15K 1/6W
VR902 R969
13 2 HS
VOI+
30K 82K 1/4W
VS
12 3
VOR- R970 + C427
6K8 10UF
DSCL
11 4
EW
C959
D411 DSDA
10 R972 5
VCC 0.33U F.B
10K
R411 C411
+ 63V
UF4004 GND
9 6
XSEL 2200UF R971
100K 16V 100K
12V
8 R438 7
HDRV
150K
R973 C957 C408
1/4W CLP
7 8
GND 22K 0.1U 0.47
R418
6 9
39K
BDRV
D431
R417 2K 1/2W
5 1N4148 10 SCL
BIN Q401
2PC945P MUTE B+
R413 C461 SDA
4 + 11
BSENS
15K 4.7UF R420
VBLK
3 10K 12
BOP C958
2200
C434 +
2
XRAY
4.7/50V
R947
1 F.B
HFLB
JUMPER
R444
5K6 1/6W D403
1N4148
ZD410
5V1
R431
10K
D415
1N4148
R608
14V
2.2 2W
C950
JUMPRE
R601
+VOUT
L903
24K 1/4W
220 pF/1KV
C929 R904
+
20K 2W D925
JUMPER
R603
L906 FB907 RG-4 FB901
-VOUT
57V B+
12K 1/4W
D919 JUMPER
73A253-88-HB C949 R989
NC
C951 R620
100P 470 2W +
47uF 200V
+ C931 1KV
Q911 C955 0.22 1/2W
390uF 80V
IRF634B
100 1KV
R735
L907
100K 1/4W
R426
14V
C942
+ JUMP
1000uF/25V R962
3DG1213C 12V 56 3W
56 1/4W
TP901 Q912
C941 R913
0.1uF 50V
2K2
R980
D922 HOUT
220 1/4W
C936
RG-4 +
R422
1000uF/25V BOUT
Q920
100 1/6W
2SA673AC
D923
Q910
2PC945P
ER202
Q909 R921
+ C939 12V
470uF/16V
HSB772P 3.3 2W
Q918 12V
2SC2120
R979
+ C938 R934
R920 R433
1000uF/16V
1K3
1K 1/4W 150 1/4W + 1K6 1/4W
EWOUT
Q931
R933
3DG945P
1K C460
4700PF
R950
C930 ZD905 1K8
NC 6.2V
ROT.
R908
R907
R902 15 1/2W
NC
4.7K 14V
Q903
3DG945P
R909
Q902
1K 1/2W
100 1/4W
3DG1213C
R911
R905
R906
R443
6K2 R910 10 1/4W CS0
91K
Q905 47K
C908
3CG733P 3DG945P
0.1uF
Q907
HSB772P 1K 1/2W
6.3V
R952 3DG945P
47K 1/4W CS1 R447
+ C462
D110 10UF 50V 10K 1/4W
1N4148
OFF
R951
R965
220 1/4W
10 1/4W
CS2
R953
Q908
10K 1/4w
3DG945P C925
+ 30K 1/4W
10UF
CN903
Q911 D 7 T901 PIN11
6 8 Q911 G 9 Q403 C 10 T401 PIN3 11 IC901 PIN1 12 T904 PIN7
325V
82.5V 1.26KV
9.38V 98.8V 531V
31.8US
31.8US 31.6US 31.8US 31.8US 31.8US
31.6US
3
2
R830 C816
4K7 1/6W 1UF
IC801
R818
R820
820K LM1246DKA
C805 R807 NC R821
JUMPER 1K 1/4W 8K2 JUMPER
1 24
V FLY H FLY
C876
C808
D803 C802 R804 1000P 2 23
CAPA CLAMP 12
1N4148 1.0uF 33 R809 C829
C818
10K 1% 47UF
0.1
3 22
D804 VDD1 ABL
D801 +
1N4148 R805
1N4148
33
4 21
GND1 R
C851
D802 C801 +
5 20 47UF
1N4148 1.0uF R G
C839
6 19 NC
D805 G B
C803 R806 L801
1N4148
FB804 1.0uF
33
7 18
B VDD
L802
C847 C817
D806 0.1UF 1500P 8 17
GNDPLL GND
1N4148
R813 R825
3K3 9 16 22K
VCO 1OUT
L809 71A55-9-T R824
10 15 22K
VCC 2OUT
C810 C804 R823
+
47UF NC 22K
11 14
SDA 3OUT
R815
C811 100
12 13 C809
100P
SCL CAP D +
47UF
C812
100P
ZD810
HZ7B2
R827
1K
C824
R814 D810
R819 0.1
100 L804 71A55-19 JUMPER
180 1/2W
C863
1000P
J801 FB850
R822
JUMPER
100 1/2W
1 2
L808
ZD801 C827 C849
+
R808 NC 0.1
HZ7B2
12
P803
33A3728-6D
V-OUT
B+
D603
1N4148
D740 R746
13K 1/4W
UF4004 1M 1/2W
R616
D601
C606 R613
D602 C607
1N4004 47UF 1N4148 56K 1/4W
1500PF
C605
+
100uF/16V
R738
IC601
1K 1/2W
TDA4863AJ
5
C601 7 +O/P
R602 +I/P
0.01U C610
R606
6
3K9 1/4W
-I/P 0.082UF 100V
C604 120
1W
0.22UF R612
C602 R604 4.7 1/2W
R610
3.3nF
220 2W
4K3 1/4W R607
NR615
R605 1.5 1W
C603 300
+ 10 1/2W
100uF/16V
D405
1N5817
FB405 JUMPER
79A167-125-T Q403
R428
1 6 2SC5929 C418
5100/1.6KV
5
T401 1 3W C417
FB402
C414
3 4
R427 0.15UF
D404 JUMPER
0.47UF 100V ZD420 D408
D460 1N4148 22 1/2W
FMP-2FUR + C439
FB403
C413 TZX20B C415
1N4148 47uF/200V
71A55-19-T
4700 100V D406
R429 C419
0.1 D450 R423 Q402 R425 ER106
10 1/2W 0.0043uF/1KV
1N4148
2SK2962 100 1/4W
20K
D407
FR155
D401
R490
JUMPER
+ C410 39K
R434
220uF/16V 3K9
Q404
C450
3CG733P
150
Q405 L405
73A253-69-T
3CG733P
R414
C422
1K3 1/4W C446
C421 2.2uF/100V
8200P/100V
C480
C463 47
Q406
0.01 100V
TIP122
C426
R442
C404
0.1UF
R451 D463
4k7 1/6W FR107 R493 Q426
0.022UF
R476
R407
220K 1/4W C425
10 2W
Q407 10 1/6W CEPF630
0.27UF
R471
C429
56K
3300
C416
R424
R494
0.3UF
D470 Q428
R475 R473 10 1/6W
CEPF630
R472
4K7
JUMPER FR107
R474 220K 1/4W
Q408 C470
100K 1/4W
3300
D436
R176 R465 R492 C438
10K 1/4W
FR107 Q431
4.7K 1/6W 10 1/6W 0.47UF
CEPF630
R134 R466
Q130 R453
C445 100K 1/4W
3DG945P 150K 1/4W
3300
13 T902 14 IC101 PIN34 15 IC101 PIN33 16 VIODE OUT 17 P801 18 Q403 B
PIN7,9,11
278V 15V 5.09V 5.06V 59.4V 706MV 17.7V
31.8US 31.6US 16.68MS 31.6US
31.7US 31.8US
2
1
D850
R857
BAV20 D856
220K C840
BAV20
1/4W
NC
C815
L850 C853 C836
R854 R872
0.22UH 1UF/100V 1000/500V L805
120 1/4W 47 1/2W
D851 R860
C828 IC802
BAV20 1K 1/4W C856
0.1
LM2470
0.1UF/100V
4
Vcc D852
1 R
BAV20 R858 C864
R-O/P
D857
6
8 220K NC
C852 Vbb BAV20
G
1/4W
0.1 8
R855 L851 C854 C837 B
9
R-I/P
120 1/4W 0.22uH 1UF/100V 1000/500V 100V R874 11
100 2
G-O/P HT
1/4W
7
D853 R861 L806 47 1/2W
G-I/P
100 BAV20 1K 1/4W
!
1/4W
6
B-I/P
R873
L803 C867
3
R859 47 1/2W
B-O/P
100 D858 1NF
5
GND 220K
1/4W
D854 BAV20
BAV20
1/4W
C855 C838
R856 L852 1UF/100V 1000/500V L807
IC803
LM2480 180 1/4W 0.22uH R861
C858
D855 1K 1/4W
0.1UF/100V
1 8 BAV20
RI RO C834
0.01
2 7
GI GO
C873
3 6
BI BO
220
1KV
4 5
GND Vcc
C823 D817
0.1 PS206
C821
0.1
C831
0.01
R879
+ C870 R836 C860
71A55-19-T 100
47UF 100V 20K 1000P
R835 2W
2W 500V FB803
1
71A55-19-T
3W
C880
NC C861 C862
0.01 100PF
500V
VDF
R747
75K 1/2W
R741
+ C740 D741 150K 1/2W
1UF 450V TBA157 R740
20K 1/2W
C705 R702
1nF 1KV Q742 C743 95A90-23
2SC4002E 1.0UF
D705
9100HM
R748 R749
C704
C741 R751 13K 100K
4.7UF
+
330P 820
P402
!
1
2
3
4
T402 79AS763-A
!
1 EHT
F1
F2
2
G2
C436
11
3 R704
10 0.047UF Q409
C706 1.2M R450 C945
12
0.75UF 1/4W 10K ZD403
NC 1/4W
6
2B2
8 4
C710 + R721 R726
D703
0.1uF 250V 220 1/2W 1K
R452
9 1N4148
VR704 1K1
NC
200K
D707
R723
5 FR157S
100 2W
7
C713
+
22uF/250V
TP403
R401 VR702
R752
2M 1/4W
100 1/2W JUMPER
R730
JUMPER
R725
SG489 180K 1/2W
1KV
T403
79A167-126-HA
8
HBLK
R753
6.3V
NC
1 Q705
R715
BF423
100K
4
R706 ZD701
3K3
JUMPER
5 TP701
C720
ZD703
100Pf 1KV
TZX3V0C
R713
R712
5K6
R707 ZD702 330
30
TZX5V1B
C703
470PF
R708 D420 D704
R703 JUMPER
5K1 1N4148
2K2
MODEL DRAWED BY
P/N CHECKER
DATE APPROVED BY
1
D
E.H.T
25KV
FOCUSE
C835
470P
2KV
R880
100K
1/2W
C
G2
V-DY
H-DY
E.H.T B
F1
FOCUSE
G2
H803
GND
6
5
4
ABL 3
G1
2
95V 1
A