ViewSonic PerfectFlat E90fB-4 Service Manual page 50

F901
73A174-7-S3G
4A/250V L901
4 3
3
1 2
CN902 4700P 500V
RY901
C914
1
4
3
2 6
5
1
PR901 2
R900
10 M 1/2W
D939
1N4148
Q913
C945
R982
10K 1/4W
C967
+
10U 16V
: : :220V/50HZ,H-FREQ:68KHZ,V-FREQ:85HZ;
CS TABLE:
Frequency
CS1 CS2
<40KHZ 0
0
40KHZ~58KHZ 1
0
>58KHZ 1
1
LED1 ,POWERSAVING ;LED2
ViewSonic Corporation
NR901
FB903
!
FB901
BEAD
BEAD
C962
3N3 250V
4 1 C907
+ +
220uF/400V or150uF/450V
C963 BD901
3N3 250V
U4KB80R
FB902
BEAD
9NK70Z
R934 Q901
10 R 1/4W
IC901 56A625-500-S
TEA1507P
R937
8 1 0.1UF
DRAIN VCC
330K 1/2W
C911
7 2
NC GND
D912
6 3
DRIVER CTRL BAV20
5 4
SENSE DEMAG
R931 R932 SW901
330R 27K
C934
C935 NP
220p 50V
1UF 50V
IC903
TCET 1103
R914
ZD901
8V2
1 CPU PIN 52 2 CPU PIN 53 3 IC101 PIN34 4 IC101 PIN20
5.41V 5.56V 3V 11.9V
68K 85HZ 85Hz 68K
;
47
Confidential - Do Not Copy E90fB -4
!
T901
D919
80C995-1-N1
BYV26C
6
C927
9
+ C930
+
47UF/160V
220P/2KV
3
+
11
10
+
D918
5
+
31DF4
13
D923
+ 12
2
+ SB240
+ C939
L903
1000UF/16V
14 73C 25810110T
4
+
D922
+ C944
BYV27-200
1000UF/16V
15
8 +
L904
73C 25810110T
16
D930
C961
BYV27-200 C945
470UF/25V
2n2 250V
R903 NC
150K
+ C929
C906
47u/25V
R912
0.022U 100V
1K
NC
3K3
IC904
ZD904
TL431ACZ-AP
5.1V
D938 C940
BYV26C 1n/500V
47R
R953 R951
5K6 1/2W 1K
Q935
G
BT169B
D936
1N4148
C928
47P/1KV
D937
1N4148
D940
1N4148
Q907
C933
BC547B
3.3n
5 Q402 G 6 IC101 PIN39 7 IC601 PIN5 8 Q403 B 9 Q403 C
68K
85Hz
12.1V 5.12V 13.7V
1.14KV
52.4V
68K 68K 68K
Q911
2SJ584
73C253-513-T
S D
L905
73C 25818110H R939 D917
22K 1/4W
BAV21
G
C931
R950 +
R962
150K 1/4W
47 1/4W
22U 250V
L902 D704
73C258-181-10H Jumper
+ C936
R970
100UF/100V
220K 1/2W C941
0.01 250V
FB910
BEAD1
+
C910
47UF/16V
+ C937
470UF/16V
R915
2K7 1/2W
R916
18 1/4W
IC902 56C133-5-ST
L7805CV
I O
I O
+ C918
2700UF 16V
R908
R922 15 1/2W
JUMPER
R907
680 1W
R909
100 1/4W C908
0.1UF
Q902
2SC1213C
R902
+
7K5
R905
R906
6K2
470 1/4W
R910
91K
10 T901 PIN2 11 IC801 PIN21 12 IC802 PIN3 13 Q911 G 14 IC901 PIN1
0.6KV 5V 58V 11.7V
68K 68K 68K 68K 68K
L906
47UF 250V
C481
B+
R977
D916 +
200K 1/2W
ER204
+12V
C945 D991
PH2369
Q912 3K3
Q910
R980 BDRV
Q920 220 1/4W
A733
6.3V
P4
+12V
-12V
R989
10 1/4W
D913
IN5817
+5V
Q903
3DG945P
R911
JUMPER
Q905
R965
3CG733P
10 1/4W
100P
C947
CN903
CONN
500V