NEC -FA150ATUA Service Manual page 19

l T h e l a m p c u r r e n t i s a c c u r r e n t , w e u s e i n t e g r a l c i r c u i t t o t r a n s f o r m a c v o l t a g e t o d c v o l t a g e , a n d t h e n i n p u t t o
T h e l a m p c u r r e n t i s a c c u r r e n t , w e u s e i n t e g r a l c i r c u i t t o t r a n s f o r m a c v o l t a g e t o d c v o l t a g e , a n d t h e n i n p u t t o
T h e l a m p c u r r e n t i s a c c u r r e n t , w e u s e i n t e g r a l c i r c u i t t o t r a n s f o r m a c v o l t a g e t o d c v o l t a g e , a n d t h e n i n p u t t o
T h e l a m p c u r r e n t i s a c c u r r e n t , w e u s e i n t e g r a l c i r c u i t t o t r a n s f o r m a c v o l t a g e t o d c v o l t a g e , a n d t h e n i n p u t t o T h e l a m p c u r r e n t i s a c c u r r e n t , w e u s e i n t e g r a l c i r c u i t t o t r a n s f o r m a c v o l t a g e t o d c v o l t a g e , a n d t h e n i n p u t t o
d i f d i f d i f f e r e n t i a l a m p l i f i e r o f c o n t r o l I C . f e r e n t i a l a m p l i f i e r o f c o n t r o l I C . f e r e n t i a l a m p l i f i e r o f c o n t r o l I C .
d i f d i f f e r e n t i a l a m p l i f i e r o f c o n t r o l I C . f e r e n t i a l a m p l i f i e r o f c o n t r o l I C .
l Change the brightness will also change the output of DC/DC converter, then make the output current to the set
Change the brightness will also change the output of DC/DC converter, then make the output current to the set
Change the brightness will also change the output of DC/DC converter, then make the output current to the set
Change the brightness will also change the output of DC/DC converter, then make the output current to the set Change the brightness will also change the output of DC/DC converter, then make the output current to the set
v a l u e . v a l u e .
v a l u e .
v a l u e . v a l u e .
l T h e d e t a i l e d a p p l i c a t i o n c i r c u i t c a n r e f e r t o O Z 9 6 5 d a t a b o o k .
T h e d e t a i l e d a p p l i c a t i o n c i r c u i t c a n r e f e r t o O Z 9 6 5 d a t a b o o k .
T h e d e t a i l e d a p p l i c a t i o n c i r c u i t c a n r e f e r t o O Z 9 6 5 d a t a b o o k .
T h e d e t a i l e d a p p l i c a t i o n c i r c u i t c a n r e f e r t o O Z 9 6 5 d a t a b o o k . T h e d e t a i l e d a p p l i c a t i o n c i r c u i t c a n r e f e r t o O Z 9 6 5 d a t a b o o k .
( 3 ) L / C o s c i l l a t o r c o n t r o l : ( 3 ) L / C o s c i l l a t o r c o n t r o l :
( 3 ) L / C o s c i l l a t o r c o n t r o l : ( 3 ) L / C o s c i l l a t o r c o n t r o l : ( 3 ) L / C o s c i l l a t o r c o n t r o l :
l EUse O2 circuit frame, let N- P- power MOSFET switch on and of
EUse O2 circuit frame, let N- P- power MOSFET switch on and of
EUse O2 circuit frame, let N- P- power MOSFET switch on and of
EUse O2 circuit frame, let N- P- power MOSFET switch on and of EUse O2 circuit frame, let N- P- power MOSFET switch on and of
l Frequency:
Frequency:
Frequency:
Frequency: Frequency:
£k
Lp: transformer leaking inductance Lp: transformer leaking inductance
Lp: transformer leaking inductance
Lp: transformer leaking inductance Lp: transformer leaking inductance
Cp:resonance capacitor Cp:resonance capacitor
Cp:resonance capacitor
Cp:resonance capacitor Cp:resonance capacitor
C o ` : t h e v a l u e o f s e c o n d a r y b a l l a s t c a p a c i t o r d i s t a n c e m e n t t o p r i m a r y . C o ` : t h e v a l u e o f s e c o n d a r y b a l l a s t c a p a c i t o r d i s t a n c e m e n t t o p r i m a r y .
C o ` : t h e v a l u e o f s e c o n d a r y b a l l a s t c a p a c i t o r d i s t a n c e m e n t t o p r i m a r y .
C o ` : t h e v a l u e o f s e c o n d a r y b a l l a s t c a p a c i t o r d i s t a n c e m e n t t o p r i m a r y . C o ` : t h e v a l u e o f s e c o n d a r y b a l l a s t c a p a c i t o r d i s t a n c e m e n t t o p r i m a r y .
( 4 ) T ( 4 ) T ransformer: ransformer:
( 4 ) T ( 4 ) T ( 4 ) T ransformer: ransformer: ransformer:
U s e t u r n r a t i o t o p r o d u c e a h i g h v o l t a g e , c a u s e o f t h e h i g h t v o l t a g e i t i s i m p o r t a n t t o t a k e c a r e o f r e l i a b i l i t y a n d s a f t y . U s e t u r n r a t i o t o p r o d u c e a h i g h v o l t a g e , c a u s e o f t h e h i g h t v o l t a g e i t i s i m p o r t a n t t o t a k e c a r e o f r e l i a b i l i t y a n d s a f t y .
U s e t u r n r a t i o t o p r o d u c e a h i g h v o l t a g e , c a u s e o f t h e h i g h t v o l t a g e i t i s i m p o r t a n t t o t a k e c a r e o f r e l i a b i l i t y a n d s a f t y .
U s e t u r n r a t i o t o p r o d u c e a h i g h v o l t a g e , c a u s e o f t h e h i g h t v o l t a g e i t i s i m p o r t a n t t o t a k e c a r e o f r e l i a b i l i t y a n d s a f t y . U s e t u r n r a t i o t o p r o d u c e a h i g h v o l t a g e , c a u s e o f t h e h i g h t v o l t a g e i t i s i m p o r t a n t t o t a k e c a r e o f r e l i a b i l i t y a n d s a f t y .
(5)Output: (5)Output:
(5)Output:
(5)Output: (5)Output:
NEC-FA150ATUA
f , g e t u p t o L / C r e s o n a n c e . f , g e t u p t o L / C r e s o n a n c e .
f , g e t u p t o L / C r e s o n a n c e .
f , g e t u p t o L / C r e s o n a n c e . f , g e t u p t o L / C r e s o n a n c e .
Circuit Description