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2
3
5
7
7
7
1 0
1 0
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 3
1 3
1 3
1 3
1 6
1 6
1 6
1 7
6 - 3 . E x p l a n a t i o n o f
f u n c t i o n s
. . . . . .
1 4
7. Signal processor lG : GX23035
( X 3 2 - 1 0 9 0 - 1 1 : l C 3 ) .
1 4
7 - 1 . B l o c k d i a g r a m
1 4
7-2. Explanation of terminals
15
8. Digital output signal demodulator lC : CXDl075P
7
8
9
9
(X32-1090-11 : lC9) .
B - 1 . B l o c k d i a g r a m
B-2. Terminal connection diagram
8 - 3 . E x p l a n a t i o n o f t e r m i n a l s
1 7
. . . 2 0
21
21
20
20
24
27
4.
5.
E] E] E] E] tr)
I ! ] E ) E E l E )
u @ g E @
E g U E @
@
t@r
,-l
l-t
*'
L, L,
i.[]
CO NTENTS/THANSPO
RTATI O N SCREW
T R A N S P O R T A T I O N S C R E W
D I S A S S E M B L Y F O R R E P A I R
B L O C K D I A G R A M
C I R C U I T D E S C R I P T I O N
1. Description of components . .
1 - 1 . D A C U N r T ( X 2 5 - 2 8 6 0 - 1 1 ) . . . .
1 _ 2 . C O N T R O L U N I T
( x 2 9 - 1 7 8 0 - 0 0 ) . . . .
1 - 3 . C D P L A Y E R U N I T ( X 3 2 - 1 0 9 0 - 1 1 )
. . . . .
.
2, Circuit description
2 - 1 . D A C l n t e r f a c e c i r c u i t ( X 2 5 - 2 8 6 O - 1 1 ) . . . . .
2-2. Distortion correction circuit
l x 2 5 = 2 8 6 0 - 1 1 ) . . . .
2-3. Dropout control circuit (X29-1780-00)
Dual D Flip-Ffop lC : TC74HC74F
(X25-2850-00 : lCl,lC4)
3 - 1 . B l o c k d i a g r a m
3 - 2 . T r u t h t a b l e .
Hex D Flip-Flop lC : TC74HC174F
(X25-2850-00 : lC3)
4 - 1 . T e r m i n a l c o n n e c t i o n d i a g r a m
4-2. Truth table .
DA Converter : PCM56P-K
(X25-2860-1 1 z lCl,lC2l
5 - 1 . B l o c k d i a g r a m / T e r m i n a l
c o n n e c t i o n
l i ^ ^ - ^ -
u t o u t d I
l
S - 2 . E x J t a n a t i o n o f t e r m i n a l s
Digitalfifter: SM58O4B (X25-2860-11 : lC4) . .
6 - 1 . B l o c k d i a g r a m
6 - 2 . E x p l a n a t i o n o f t e r m l n a l s
TRANSPOBTATION SCREW
Before operation, remove the two red screws attached
to the bottom of the unit used during transport from the
factory. Remove both screws using a coin, etc. and, after
removing, retain them together with the Warranty
card and other documents. When the unit is to be trans-
ported again, be sure replace the two screws to their origi-
n a l p o s i t i o n .
ATTACHING THE TRANSPORTATION SCREWS
1 . T u r n t h e p o w e r O N w i t h o u t l o a d i n g d i s c .
2. Turn OFF the power after the display shows the follow-
i n q i n d i c a t i o n .
8-4. Explanation of functions . . .
9. Microcomputer : PPD75208CW-040
( X 3 2 - 1 0 9 0 ' 1 1 : l C l 1 )
9-1 . Terminal connection diagram
9-2. Explanation of terminals . . .
A D J U S T M E N T . . .
Adjustment
Q 6 n l r n a
I r E g r q g s
Abgleich
Description of Signal Waveform, Connection of
Measuring Instruments
30
V O L T A G E C H E C K T A B L E
. . .
3 4
Pc BoARD (CoMPONENT
slDE vtEvQ
. . . . 1? -
p c B o A R D ( F O | L S I D E V I E W )
. . . . .
. . . . 3 8
S C H E M A T I C D I A G R A M
4 1
E X P L O D E D V I E W ( M E C H A N I S M )
. . . 4 9
E X P L O D E D V I E W ( U N I T )
. . . .
5 0
PARTS LIST .
51
S P E C I F I C A T I O N S .
B A C K C O V E R
3. Install the transportation screws.
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