Sn74Ls367An; Sn74Ls393N; Sn74Ls74An - Sony HB-501P Service Manual

MB74LS367A (FUJITSU)
SN74LS367AN (Tl)
TTL BUS DRIVER WITH 3-STATE OUTPUTS
— TOP VIEW —
G
A Y
0
0
0
0
1 1
1 j X Hl-Z
0; LOW LEVEL
1 ; HIGH LEVEL
X;DONT CARE
HI
-z;
HIGH IMPEDANCE
MB74LS393 (FUJITSU)
SN74 LS393N (Tl)
TTL 4-BIT BINARY COUNTER
— TOP VIEW —
\
-T
2CK 2Ro 20a 20b 2Qc 2Qd
,-M-l^l
m
F] [io] f?1 [e]
Vcc
(+5VJ
p
_GND
lU LlI LlJ IU [5j [6J [7j
1CK 1RD IQa IQe IOC IQo
i_ _r
OA QB OC OD
RE SET/COUNT FUNCTION
Ro Oo Oc
08 Qa
0 0 0 0
0
COUNT f
o; LOW LEVEL
1 ; HIGH LEVEL
COUNT SEQUENCE
COUNT Qo Oc OB
Qa
0 0 0 0 0
1 o •
0 0 1
2 0 0
1 0
3 0 0 1 1
4
0 1 0 0
5 0 1 0 1
6 0
1 1 0
7 0
1 1 I
1
8 1 0 0 0
9 1 0 0
1
10 1 0 1 0
11
1 0 1 1
12 1
1
0
0
13
1 1 0 1
14
1 1 1 0
15 1
1 1 I 1
M51143AL (MITSUBISHI)
MUSIC SELECTOR
— SIDE VIEW —
IN OUT
LIMITER AMP
CONT
IN
N.F T.C SIGNAL
DETECT
OUT
LIMITER LIMITER
AMP AMP
IN OUT
CONT
IN
N.F
SIGNAL
T.C
DETECT
OUT
CONT IN ; CONTROL IN
N.F ; NOISE FILTER
T.C ; TIME CONSTANT
OUT T-C
IN
CONT
I N
M5218L (MITSUBISHI)
LOW NOISE DUAL OPERATIONAL AMPLIFIER
— SIDE VIEW —
OUT -IN +IN
(A 1) IA1) (A1)
+1N -IN OUT
(A2) (A2) (A2)
MB74LS74A (FUJITSU)
SN74 LS74AN (Tl)
TTL D-TYPE FLIP FLOP WITH DIRECT SET/RESET
— TOP VIEW —
[y"Ti] lil lil lil lil LU
| INPUTS
OUTPUTS
So RD CK D Qn+I Qn+1
0
^
1 X X
1 0
1 0 x] X 0
1
0
_
0 X X 1*
1*
J_
T
_r J_ 1 0
J_ i
£
0 0
1
i 0 X
Qn Qn
O; LOW LEVEL
1 ; HIGH LEVEL
X; don't care
1*; NON STABLE
HB-501 P/501 F
4-3