4) Lighting and Dimmer Circuit
S o o n a f t e r t h e p o w e r i s t u r n e d O N , " H " i s o u t p u t f r o m I C 5 0 1 P i n 8 5 ( P S W O ) a n d
P 2 5 ( L E D 1 ) , a n d t h e L E D f o r k e y l i g h t i n g ( g r e e n ) a n d t h e L E D f o r L C D b a c k
l i g h t i n g ( g r e e n ) a r e l i t .
W h e n t h e F k e y i s p u s h e d , " L " i s o u t p u t f r o m I C 5 0 1 P i n 2 5 , a n d t h e L E D ( g r e e n ) i s
t u r n e d O F F , t h e n " H " i s o u t p u t f r o m P i n 2 6 ( L E D 2 ) a n d t h e L E D f o r k e y l i g h t i n g
( o r a n g e ) i s t u r n e d O N . A l s o w h e n t h e B a n d s w i t c h i s p u s h e d , t h e L E D o f t h e b a n d
w h i c h c a n b e t r a n s m i t t e d i s l i t g r e e n .
T h e L E D c h a n g e s f r o m g r e e n t o r e d w h i l e
t r a n s m i t t i n g ( d u a l c o l o r e d L E D ) .
W h e n t h e D i m m e r S w i t c h i s t u r n e d O N , C P U I C 5 0 1 P i n 8 1 ( D I M ) c h a n g e s f r o m " H "
t o " L " n o r m a l l y , a n d Q 5 0 7 a n d Q 5 0 8 a r e t u r n e d O F F .
A c c o r d i n g l y t h e c u r r e n t i s
c o n t r o l l e d t o d i m t h e L E D D 5 0 1 - D 5 0 8 .
5. Sub CPU and Peripheral Circuit
1) Reset and Backup Circuit
W h e n B p o w e r s u p p l y i s t u r n e d O N , " L " p u l s e o f a b o u t 2 0 m s i s o u t p u t f r o m I C 6 1 2
( e q u i p p e d w i t h R e s e t F u n c t i o n ) P i n 4 , a n d C P U I C 6 0 1 i s r e s e t .
W h e n B p o w e r s u p p l y i s t u r n e d O F F , t h e d e c r e a s i n g o f 5 V l i n e i s d e t e c t e d i n
I C 5 0 3 . T h e o u t p u t i s s h i f t e d f r o m " H " t o " L " .
A l s o w h e n p o w e r s u p p l y B i s t u r n e d O F F , I C 6 0 1 P i n 8 0 ( B U ) b e c o m e s " L " , a n d t h e
u n i t e n t e r s I n t o t h e B a c k u p M o d e .
T h e c o n t e n t s o f t h e m e m o r y i s w r i t t e n o n E 2 P R O M I C 6 1 0 i n t h e B a c k u p M o d e .
2) Beep Sound Output Circuit
T h e s q u a r e p u l s e i s o u t p u t f r o m C P U I C 6 0 1 , P i n 4 0 ( B E P 1 ) , a n d P i n 4 3 ( B E P 2 ) ,
t h e n t h e s i g n a l i s i n t e g r a t e d b y C R t o o b t a i n t h e s i n e w a v e .
3) DTMF Decoder Circuit
VHF:
A p a r t o f A F s i g n a l ( R A V ) f r o m I C 2 P i n 1 2 i s c o n t r o l l e d b y C P U I C 6 0 1 , a n d i n p u t t o
D T M F d e c o d e r I C 6 0 4 P i n 7 .
T h e i n p u t s i g n a l i s j u d g e d w h e t h e r a v a i l a b l e o r n o t b y t h e s i g n a l j u d g e c i r c u i t i n
I C 6 0 4 . T h e n t h e j u d g e d s i g n a l i s c o n v e r t e d t o 4 - b i t c o d e , a n d s e n t t o I C 6 0 1 .
UHF:
A p a r t o f A F s i g n a l ( R A U ) f r o m I C 3 0 2 P i n 1 1 i s c o n t r o l l e d b y C P U I C 6 0 1 t o i n p u t t o
r\Tfc jr- - i - i _i
/~*cr\A
r
\:_~7
u i i v i r u t t u u u w i
iv
- /
u u h
r n i / .
T h e i n p u t s i g n a l i s j u d g e d w h e t h e r a v a i l a b l e o r n o t b y t h e s i g n a l j u d g e c i r c u i t i n
I C 6 0 4 .
T h e n t h e j u d g e d s i g n a l i s c o n v e r t e d t o 4 - b i t c o d e , a n d s e n t t o I C 6 0 1 .
4) Microphone Remote Control Circuit
T h e D T M F s i g n a l f r o m t h e m i c r o p h o n e ( M R ) i s i n p u t t o D T M F d e c o d e r I C 6 0 3 P i n 7 .
T h e i n p u t s i g n a l i s j u d g e d w h e t h e r a v a i l a b l e o r n o t b y t h e s i g n a l j u d g e c i r c u i t i n
I C 6 0 4 .
T h e n t h e j u d g e d s i g n a l i s c o n v e r t e d t o 4 - b i t c o d e , a n d s e n t t o I C 6 0 1 .
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Summary of Contents for DR-610E
Page 32: ...f m 1 k H z T a 2 5 C ro o AF OUTPUT 0 0 1j j F All manuals and user guides at all guides com...
Page 35: ...All manuals and user guides at all guides com...
Page 38: ...FM0076 All manuals and user guides at all guides com...
Page 39: ...0 0 0 UE0116 All manuals and user guides at all guides com...
Page 60: ...P 0 0 All manuals and user guides at all guides com...
Page 64: ...Main Unit 9600bps SP OUT 51 All manuals and user guides at all guides com...
Page 77: ...a 2 CPU B lock D i a g r a m All manuals and user guides at all guides com...
Page 80: ...2 U H F M A IN U N IT All manuals and user guides at all guides com...
Page 81: ...All manuals and user guides at all guides com a l l g u i d e s c o m...
Page 82: ...All manuals and user guides at all guides com...
Page 83: ...V j Ni VHF VCO UNIT All manuals and user guides at all guides com...
Page 84: ...C O UHF PLL UNIT All manuals and user guides at all guides com...
Page 85: ...R 6 1 UHF VCO UNIT 6 UHF V C O PLL U N T All manuals and user guides at all guides com...
Page 87: ...VI O l M R DTMF All manuals and user guides at all guides com...
Page 88: ...9 E H M 3 9 oo m n o cri O C 5 All manuals and user guides at all guides com...