ViewSonic Q51 series Service Manual page 53

715A816-*
C876
0.01UF
P801
D803
5V
1N4148
1
R/I
2
3 R801
D804
C802
75
G/I R804
4
1N4148
1uF/50V
33
5
B/I
+
6 C801
R805
1uF/50V
7 33
D801
8
1N4148
+
HS
C803
R806
9
1uF/50V
VS 33
10
DSCL R802 D802
+
11
1N4148
75
DSDA
12
C847
0.056UF
D805
R813
1N4148
3K9
R803
D806
L809
75 C807
+
1N4148
BEAD
1uF
C811
100PF
D820
HZ6B1
R815
100
C887
100PF
P802
5V R814
1
100
HS
ZD801
2 D821
VS
3 HZ6B1 HZ5C2
DSCL
4
DSDA
5
L804
6
BEAD
12V
7
CLAMP
8
SENCE
9
ISCL
10
ISDA
11
5V
12
R822JUMP
13 + C810
R807
C805 47UF/16V
1K
JUMP
R820
8K2
IC801
LM1246DKA
R830
56A366-509 56K
1 24
VFLY H-FLY
0.2V 0V
C808
C818
56PF
0.1uF
2 23
Vref CLAMP
1.5V 1.3V
3 22
Vref ABL
1.3V 3.3V
R809
ZD810
10K
4 21 HZ5C2
GND R/V OUT
1.6V
L801
5 20
R/V IN G/V OUT
2.0V 1.6V
0.68uH
L802
6 19
G/V IN B/V OUT 0.68uH
2.0V 1.6V
L803
7 18 0.68uH
B/V IN VDD
2.0V 5.2V
C849
+
8 17 0.1uF
A-GND D-GND
C817
1500PF
9 16 R825
PLL DEC 1 OUT
2.0
2.0 1K
10 15 R824
VCC DEC 2 OUT
C806 5.2V 1K
2.0V
0.1uF
11 14 R823
SDA DEC 3 OUT
4.8V 2.0V
1K
12 13
SCL NC
4.8V
1.6V
C812
R829
100PF
1K NC
C827
0.1 NC
R818
820
C816
1500PF
C815
BEAD
R821
8K2
IC802
C852
C851 LM2469
+
0.1uF
47UF 56A551-8
4
R831 + C809 Vcc
75.0V
NC 1uF
+ 8
Vbb
C829
11.7V
47uF/100V
9
I/P
1.6V
7
I/P
1.6V
6
I/P
1.6V
C850 C828
47uF 25V
0.1/250V IC803
LM2480NA
1
Ri
2.0V
C821
0.1uF
2
Gi
2.0V
C823
3
0.1uF Bi
2.0V
4
C824
Gnd
0.1uF
FB805 56A539-6
BEAD
R827
1K
FB850
BEAD
+
C870
0 P
1 33UF/100V
M
8
U
D
J
FB803
BEAD
L808
BEAD
C860
C863
1000p/500v
1000PF
C862
100PF/1KV
K
B
L V
L V
F 5
B 1 0
. .
G 8
A
H 6
P803
6 5 4 3 2 1
53
R857
D856
220k 1/4W
BAV21
D850
BAV21
C836
C853
1000P/500V
1uF/100V
+
R860
1K 1/4W
L850 D851
1 R854
R O/P
BAV21
52.4V
120 1/4W 0.68uH
L851
2 R855
G O/P
52.0V 0.68uH
120 1/4W
R858
R856 L852
3 D857
220K 1/4W
B O/P
BAV21
52.0V 0.68uH
180 1/4W
D852
5
BAV21
Gnd
C837
C854
1000p/500v
1uF/100V
+
R861
D853 1K 1/4W
BAV21
8
Ro
46.2V
7
Go
46.23V
6
Bo
46.2V
R859
5 D858
220K 1/4W
Vcc
BAV21
75.0V
D854
BAV21
C838
C855
1000P/500V
1uF/100V
C831
+
0.01/250V
R862
D855
1K 1/4W
BAV21
C861
R835
0.01
1 3W
!
C856
0.1uF/100V
750A5913-1AV(CPT)
CRT
R872
L805
1UH
47 1/2W
G
2
G
1
HV
C857
0.1uF/100V
C834
focus
0.01uF
L806
R873
V
K
1UH 47 1/2W
5
/ 2
3
8
C873 F
C P
330/1KV
0
0
2
2
D817
PS206
C867
1NF/1KV
R880
100K
1/2W
C858
R879
0.1uF/100V
100 2W
L807 R874
1uH
47 1/2W
G2