Sony DXF-701 Service Manual page 26

Electronic viewfinder
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IC
TC74HC595AF (TOSHIBA)FLAT PACKAGE
C-MOS 8-BIT SERIAL-INPUT/SERIAL- OR PARALLEL-OUTPUT
SHIFT REGISTER WITH LATCHED 3-STATE OUTPUT
—TOP VIEW—
QB
OUT
1
V
16
DD
(+2V to +6V)
QC
2
15
QA
OUT
QD
3
14
SI
OUT
QE
OUT
4
13
OE
QF
5
12
LCK (
OUT
QG
6
11
SCK (
OUT
QH
OUT
7
10
RESET
8
GND
9
SQH
10
RESET
R
D
14
SI
D
Q
11
SCK
12
LCK
13
OE
TC7W00F (TOSHIBA)CHIP PACKAGE
C-MOS DUAL 2-INPUT NAND GATE
-TOP VIEW-
V
DD
1
8
(+2 to +6 V)
B
7
2
3
6
GND
4
5
TC7WU04F (TOSHIBA)CHIP PACKAGE
C-MOS HEX INVERTERS
(SCALE 3/1)
—TOP VIEW—
1
8 V
DD(+2 to +6V)
2
7
3
6
GND 4
5
6-3
14
15
QA
SI
1
QB
10
2
RESET
QC
OUT
3
QD
4
QE
IN
5
QF
6
QG
IN
7
QH
11
SCK
)
IN
12
LCK
)
IN
9
SQH
OE
IN
13
OE
;
OUTPUT ENABLE INPUT
OUT
LCK
;
LATCH CLOCK INPUT
SCK
;
SHIFT CLOCK INPUT
RESET
;
SHIFT-REGISTER RESET INPUT
SI
;
SERIAL IN
QA-QH
;
PARALLEL OUTPUT
SQH
;
SERIAL OUT
R
R
D
D
9
D
Q
D
Q
D
Q
D
Q
15
7
QA
QH
1
A
A
7 Y
Y
2
B
5
3
6
Y = A • B = A + B
A
B
Y
0
0
1
0
1
1
1
0
1
0; LOW LEVEL
1
1
0
1; HIGH LEVEL
1
7
A
A
Y =
Y
3
5
6
2
Y = A
A
Y
0
1
1
0
0 ; LOW LEVEL
1 ; HIGH LEVEL
TL1453CNS (TI)FLAT PACKAGE
DUAL SWITCHING REGULATOR CONTROLLER
- TOP VIEW -
CT IN
1
RT IN
2
NON INV IN1
3
INV IN1
4
FEED BACK OUT
5
DEAD TIME
6
CONT1 IN
OUT1
7
8
GND
(+3.6 to +40V)
RT
2
TRIANGLE
OSC
SQH
ERROR AMP1
3
NON INV IN1
+
4
INV IN1
-
5
FEED BACK
12
FEED BACK2
14
NON INV IN2
+
13
INV IN2
-
ERROR AMP2
15
UVK
R UVLO
1
CT
16
REF OUT
3
NON INV IN1
FEED BACK
4
INV IN1
15
UVK IN
14
NON INV IN2
FEED BACK2
14
NON INV IN2
13
INV IN2
13
INV IN2
6
DEAD TIME
CONT1
12
FEED BACK2 OUT
11
DEAD TIME
CONT2
DEAD TIME
11
15
CONT2 IN
UVK
REF OUT
10
OUT2
Vcc
9
CT
+25V
1
16
REF VOLT
REF OUT
PWM
COMPARATOR1
OUTPUT1
7
OUT1
OUTPUT2
10
OUT2
PWM
COMPARATOR2
6
DEAD TIME CONT1
11
DEAD TIME CONT2
DXF-701 (J, UC)
DXF-701CE (CE)
2
RT
5
7
OUT1
12
10
OUT2
16

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