TS-5700
1 18
DRU-3A (DIGITAL RECORDING UNIT)
DRU-3A Circu it Diagram
X43-3090-20
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...,
IC90 1 , 902 : M B88306PF
I C903 : M 62003FP
IC904 : I S D2560 G I
IC905 : TC7 4 H C 1 1 2AF
IC901
1
so
Vee
1 6
2
LOAD RESET
1 5
00
4
0 1
07
1 3
5
02
06
1 2
6
03
0 5
1 1
7
SC
0 4
1 0
Vss
OE
9
I C902
so
Vee
2
LOAD R E S ET
1 5
00
S I
1 4
0 1
07
5
02
06
03
05
1 1
7
SC
04
1 0
R901
Vss
1 0 K
1
M
o �
� ci
C90 1
0 . 0 1
1
2
3
4
5
6
9
1 0
1 2
1 3
1 4
C902
"'
u
0
(/) (/)
I C903
R E S
Cd G N D
7
Vee
6
ne
ne
nc
0 . 0 1
I C904
AO
Veed
A l
P/R
27
A2
Xelk
A3
E O M
2 5
A4
PD
2 4
A S
CE
23
A6
OVF
22
A7
ANAout
21
A8
ANAi n
20
A9
AGC
1 9
AUX
M ref
1 8
Vssd
M I C
Vssa
Vcca
1 6
SP+
S P-
R902
"" "'
1 0 K
��
z
0
w U-
:;;; z
0 :;;;
a:
>
0 (.'.) 0 a: a:
0 0
w
0
"'
0 0
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CN901
1 C K
IC905
Vee
1 6
2
1 K
1 CLK
1 5
1 J
2CLK
1 PR
2CK
1 Q
2 K
C909
1 Q-
2J
0.01
20-
2PR
8 GND
20
"'
"'
;"
0
�
"'
r-
0 0
a>
a>
a:
a:
C906
1 6V
>
"'
0
o �
a>
a>
C907
a:
"
u r-:
"
0.00 1
R904
0
00
1 0 K
0
a>
a:
(.'.) 0
:;;;
z
a:
(.'.)
0 <(
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