Sony SSC-DC50A Service Manual page 48

IC
TC74VHC00FT(EL) (TOSHIBA)FLAT PACKAGE
C-MOS QUAD 2-INPUT NAND GATES
—TOP VIEW—
14 13 12 11 10 9
V
DD
1 2 3 4 5 6
TC75W51FU-TE12R (TOSHIBA)
C-MOS DUAL OPERATIONAL AMPLIFIER
—TOP VIEW—
8 7 6 5
V
DD
_
+
+
_
GND
1 2 3 4
TC7S00FU(TE85R) (TOSHIBA)CHIP PACKAGE
TC7SH00FU-TE85R (TOSHIBA)FLAT PACKAGE
C-MOS 2-INPUT NAND GATE
—TOP VIEW—
2
1 5 V
DD
A
1
B
2
GND 3 4
Y = A • B =
A B Y
0 0 1
0 1 1
1 0 1
1 1 0
TC7S66FU (TOSHIBA)
TC7S66FU(TE85R)
C-MOS ANALOG SWITCH
—TOP VIEW—
IN/OUT 1 V 5
DD
OUT/IN 2
3 4
GND CONT
TC7SH04FU (TOSHIBA)CHIP PACKAGE
TC7SH04FU-TE85R
TC7SHU04FU-TE85R (TOSHIBA)CHIP PACKAGE
C-MOS INVERTER
—TOP VIEW—
2
1
5 V
DD A
2
A
Y =
GND 3 4
A Y
0 1
0 : LOW LEVEL
1 0
1 : HIGH LEVEL
6-10
8
A A
Y =
Y
B
B
Y = A • B = A + B
A B Y
0 0 1
GND
0 1 1
7
1 0 1
0 ; LOW LEVEL
1 1 0
1 ; HIGH LEVEL
A
4
Y = Y
B
A B
+
0 : LOW LEVEL
1 : HIGH LEVEL
4
A
Y = Y
TC7S32F
TC7SH32FU-TE85R (TOSHIBA)FLAT PACKAGE
IL08
C-MOS 2-INPUT OR GATE
—TOP VIEW—
2
1 5 V
DD A A
4
1 Y =
B B
2
GND 3 4
A B
Y = A + B = •
A B Y
0 0 0
0 1 1
1 0 1
0 : LOW LEVEL
1 1 1
1 : HIGH LEVEL
TC7W14FU(TE12R) (TOSHIBA)CHIP PACKAGE
C-MOS HEX INVERTERS
—TOP VIEW—
1 7
1 8
A Y
Y = A
2 7
3 5
3 6
4 5
6 2
A
Y =
A Y
0 1
0 : LOW LEVEL
1 0
1 : HIGH LEVEL
TC7W32FU (TOSHIBA)CHIP PACKAGE
TC7W32FU(TE12R)
C-MOS DUAL 2-INPUT OR GATE
—TOP VIEW—
1
A A
1 8 V 7
DD
Y =
2
B B
2 7
3 6 5
3
6
GND 4 5
A B
Y = A + B = •
A B Y
0 0 0
0 1 1
1 0 1
0 : LOW LEVEL
1 1 1
1 : HIGH LEVEL
TL1451ACPW-E05 (TI)
DUAL PWM POWER CONTROLLER
—TOP VIEW—
1 16
CT V REF
15
RT 2 SCP
3 14
+IN 1 +IN 2
4 13
_IN 1 _IN 2
12
FEED BACK 1 5 FEED BACK 2
11
6
DEAD TIME CONT 1 DEAD TIME CONT 2
7 10
OUT 1 OUT 2
8 9
GND V
CC
RT CT DT 1
2 1 6
TR I 2.5 V
OSC REG
_
3
+
+IN 1
–
4
_
_IN 1
+
5
FB 1
+
14
+
+IN 2
–
13
_
_IN 2
_
SHORT CIRCUIT
12 PROTECTOR
FB 2
11 15
DT 2 SCP
Y
Y
OUT
16
V REF
7
OUT 1
10
OUT 2
SSC-DC50A/54A (UC)
SSC-DC50AP/54AP/58AP (CE)