Color Tv Vertical Deflection Output Circuit

Part No :
LA7833 pinout
File Size : 14 KB
Pages : 4 Pages

Other Part Numbers in this pdf file

Sanyo Semiconductor Corporation

find LA7833 datasheet
LA7833 pinout,LA7833 pin diagram
LA7833
Pin Assignment and Functional Block Diagram
Sample Application Circuit
LA7820 vertical output
LA7833
vertical
drive
Sample Application Circuit
LA7620 vertical output
LA7833
pump-up
Vertical
output
VCC2
7
VCC1 24V
VCC=12V
LA7820
dc
82kΩ NFB
82kΩ
47kΩ
1
2
3
560pF
4
5
6
1
2
3
4
5
pump-up
6
7
+
0.022µF
0.047µF
0.033µF
0.01µF
8
DS135
47pF
1500pF
9
R1
vertical
output
vertical
drive
+
+
+
100µF
1000µF
2.2µF
+
1000µF
1.2kΩ ac NFB 300Ω
+
2µF
(tantal)
3Ω
input
7
470Ω
24
LA7620
23
R1∗ = several hundreds of ohms to 1kΩ
∗:
CR used against oscillation
The combination depends on the oscillation mode.
Sample Application Circuit
LA7850 vertical output
LA7833
1
0.01µF 91kΩ
2
3
A
4
560pF
5
pump-up
6
7
VCCout
(24V)
vertical
output
vertical
drive
1500pF
0.056µF
DS135
1kΩ
0.033µF
0.033µF
1000µF
68kΩ
390Ω
+
1µF
(tantal)
17
16
+
100µF
56pF
+
+
B
4.7Ω
Co
100µF
0.047µF
33Ω
vertical
size
15
vertical ramp generator
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