Fostex CR200 Service Manual page 62

CR200
T r e m n i
N . o
D e c s i r t p
8 1 T P 4
8 2 T P 5
8 3 X R F D E T
8 4 R E C E N
8 5 T P 8
8 6 D E T 4 T
8 7 D E T 3 T
8 8 E F M
8 9 V D D
9 0 V S S
9 1 E N C C K
9 2 X E X T A C K
9 3 X E X T S Y N
9 4 A T P I S Y N
9 5 S U B S Y N
9 6 C C B
9 7 C E
9 8 C L
9 9 I D
1 0 0 D O
TK16124M (IC333, 334, 340) on the STRATEGY BOARD ASSY
(1) Block Diagram
62
l a
/ I O
o i n
O F r o e t t s n i g
I
I R F d e e t t c o i n s g i
I R E C e n a b e l s g i
O T e s t t r e m n i l a
O 4 T d e e t t c o i n s g i
O 3 T d e e t t c o i n s g i
O E F M s g i n l a o u p t
- + 5 V p o w r e s u p
- G N D
O E n c o d e c o l k c o
O A T P I y s n c n t o y f i
C I A T P I y s n c e n a b
C I A T P I y s n c s g i n
C O S u b c o d e y s n c s
C P U i t n r e a f c e m
I
H : S a n y o C C B
I C P U i t n r e a f c e c
I C P U i t n r e a f c e d
I C P U i t n r e a f c e d
O C P U i t n r e a f c e d
1
VCC
DELAY
Circuit
GND
2
TTL - ECL
Interface
Output
VOUT 3
Circuit
F u n t c
n l a n i p u . t H : N o R . F L : R F e x
n l a n i p u . t H : R E C e n a b e l . d L :
n l a o u p t t u
n l a o u p t t u
t u
p y l v l o a t g e
u p t t u
n i g s g i n l a o u p t t u
e l s g i n l a n i t u
l a n i p t u
g i n l a o u p t t u
e h t o d s e e l t c n i g s g i n l a n i p u . t
f r o m a . t L : C o m m o n s r e a i f l r o m
h p i e n a b e l s g i n l a n i p t u
a a t t a r n f s r e c o l k c n i p t u
a a t n i p t u
a a t o u p t t u
TTL - ECL
Interface
Reference
o i n
t s i . s
R E C d s i a b e l . d
t a
6 VIN
GND
5
4 VCR