Sony BVP-570, Руководство по обслуживанию

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7-23
BVP-570
IC
TC74HC4538AFT (TOSHIBA)FLAT PACKAGE
TC74HC4538AFT(EL)
4
3
RD
1-C
1-CR
1-
RD
1-CK
1-
CK
1-Q
1-Q
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
2-C
2-CR
2-
RD
2-CK
2-
CK
2-Q
2-
Q
GND
V
DD
7 Q
6
Q
2
V
DD
1
C R
5
12
13
RD
9 Q
10
Q
14
V
DD
15
C R
11
OUTPUT PULSE WIDTH = k • C • R
4
3
RD
7
Q
6
Q
2 1
5
RETRIGGERABLE M. M. V
CR C
12
13
RD
9
Q
10
Q
14 15
11
CR C
0.74
0.72
0.70
0.68
0.66
0.64
0.62
k. OUTPUT PULSE WIDTH CONSTANT (TYPICAL)
2 3 4 5 6
V
DD
POWER SUPPLY VOLTAGE (VOLTS)
NON-RETRIGGERABLE M. M. V
RD
Q
Q
V
DD
V
DD
V
DD
RD
Q
Q
V
DD
V
DD
RD
Q
Q
V
DD
RD
Q
Q
V
DD
V
DD
V
DD
C-MOS DUAL RETRIGGERABLE/NON-RETRIGGERABLE MONOSTABLE
MULTIVIBRATOR
—TOP VIEW—
TC74HC595AF(EL) (TOSHIBA)FLAT PACKAGE
V
DD
QH
OUT
QG
OUT
QF
OUT
QE
OUT
QD
OUT
QC
OUT
QB
OUT
1
2
3
4
5
6
7
QA
OUT
SI
IN
OE
IN
LCK ( )
IN
SQH
OUT
SCK ( )
IN
SI
RESET
SCK
LCK
OE
RESET
IN
8
10
11
12
13
14
15
16
9
OE
LCK
SCK
RESET
SI
QA - QH
SQH
: OUTPUT ENABLE INPUT
: LATCH CLOCK INPUT
: SHIFT CLOCK INPUT
: SHIFT-REGISTER RESET INPUT
: SERIAL N
: PARALLEL OUTPUT
: SERIAL OUT
RESET
SI
SCK
R
D
D Q
10
14
11
GND
11
10
14
9
13
15
1
2
3
4
5
6
7
QA
QB
QC
QD
QE
QF
QG
QH
SQH
12
R
D
D Q
D Q D Q
R
D
D Q
OE
QA
QH
SQH
13
15 7
9
LCK
12
C-MOS 8-BIT SERIAL-INPUT/SERIAL- OR PARALLEL-OUTPUT
SHIFT REGISTER WITH LATCHED 3-STATE OUTPUT
—TOP VIEW—
TC74VHC157FT(EL) (TOSHIBA)FLAT PACKAGE
INH
0
0
1
A
0
1
x
A INH
V0
0
V1
1
1 15
VC
2
3
4
0
1
x
0
1
GND
CONT. IN
16 15
V
DD
GND
14 13 12 11 10
7 6 5 4 3 2 1
9
INH
IN
Y0
IN
Y1
IN
YC
OUT
X0
IN
X1
IN
XC
OUT
A
IN
V0
IN
V1
IN
VC
OUT
W0
IN
W1
IN
WC
OUT
8
0
1
0
1
0
1
W0
W1 WC
5
6 7
X0
X1 XC
11
10 9
Y0
Y1
YC
14
13
12
: LOW LEVEL
: HIGH LEVEL
: DON’T CARE
C-MOS QUAD 2-LINE-TO-1-LINE DATA SELECTOR/MULTIPLEXER
—TOP VIEW—
ON
CHANNEL
TC74VHC163FT(EL) (TOSHIBA)FLAT PACKAGE
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
QD
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
QC
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
QB
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
QA
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
V
DD
IN
IN
IN
IN
IN
IN
IN
COUNT
OUTPUTS
1
2
3
4
5
6
7
RD
CK
A (DATA A)
B (DATA B)
C (DATA C)
D (DATA D)
EN1
8
10
11
12
13
14
15
16
9
COUNT SEQUENCE
CARRY OUTPUT “CO”
CO IS HIGH WHEN EN2 INPUT IS
HIGH AND COUNT IS “15”.
GND
OUT
3
4
5
11
14
13
A
B
C
6
D
2
7
10
QA
LD
RD
9
QB
QC
QD
CO EN1
EN2
EN2
QD
QC
QB
QA
CO
CO
OUT
QA
OUT
QB
OUT
QC
OUT
QD
IN
EN2
IN
LD
1
12
15
RD
0
1
RESET
(SYNCHRONOUS)
PRESET
(SYNCHRONOUS)
NO COUNT
NO COUNT
COUNT
LD
x
0
EN1
x
x
EN2
x
x
1 1 0 x
1 1 x 0
1 1 1 1
MODE
MODE SELECTION
CONTROL INPUTS
C-MOS PRESETTABLE SYNCHRONOUS 4-BIT BINARY COUNTER
—TOP VIEW—
TC7S00FU(TE85R) (TOSHIBA)CHIP PACKAGE
TC7SH00FU-TE85R (TOSHIBA)FLAT PACKAGE
1
2
GND 3
A
B
Y
A
B
Y =
Y = A • B =
A
+
B
A
0
0
1
1
B
0
1
0
1
Y
1
1
1
0
0
1
: LOW LEVEL
: HIGH LEVEL
5 V
DD
4
2
1
4
C-MOS 2-INPUT NAND GATE
—TOP VIEW—