Sony VID-P110 Service Manual page 46

IC
S-80743AL-A7-S(SEIKO I AND E)4.196-4.404V
S-80743AL-A7-T1
C-MOS VOLTAGE DETECTOR
-TOP VIEW-
2
V
DD
GND
1 2 3
V
DD
OUT V GND
DD
2
3
GND
SN74HC02ANS(TI)FLAT PACKAGE
SN74HC02ANS-E05
C-MOS QUAD 2-INPUT NOR GATES
-TOP VIEW-
14 13 12 11 10 9
V
DD
GND
1 2 3 4 5 6
NOTE:
TYPE V
DD
74HC +2 to +6V
74AC/74VHC +2 to +5.5V
+4.5 to +5.5V
74HCT/74ACT
+2 to +3.6V
74LCX
SN74HC04ANS(TI)FLAT PACKAGE
SN74HC04ANS-E05
C-MOS HEX INVERTERS
-TOP VIEW-
14 13 12 11 10 9
V
DD
GND
1 2 3 4 5 6
NOTE:
V
TYPE DD
+2 to +5.5V
74AC/74VHC/74VHCT
74ACT/74HCT +4.5 to +5.5V
74LCX +2 to +3.6V
OTHER TYPE +2 to +6V
4-8
1
OUT
3
VOLTAGE
DETECT
1
OUT
8
A
A
Y = Y
B B
Y = A + B = A • B
A B Y
0 0 1
0 1 0
7
1 0 0
1 1 0
0 ; LOW LEVEL
1 ; HIGH LEVEL
8
A Y = A Y
Y = A
A Y
0 1
1 0
0 ; LOW LEVEL
7
1 ; HIGH LEVEL
TC74HC221AF(TOSHIBA)FLAT PACKAGE
TC74HC221AF(EL)
C-MOS MONOSTABLE MULTIVIBRATOR WITH SCHMITT TRIGGER INPUT
-TOP VIEW-
R C
V
DD
R B A
D
16 15 14 13 12 11 10 9
V
DD
R
D
Q Q
Q Q
R
D
GND
1 2 3 4 5 6 7 8
A B R
D
V
DD
C R
UPC1093T(NEC)
UPC1093T-E1
REGULATOR ( VARIABLE VOLTAGE SHUNT )
-TOP VIEW-
ANODE
(A)
CATHODE
REFERENCE
ANODE
CATHODE ANODE REFERENCE
(K) (A)
INPUTS OUTPUTS
R A B Q Q
D
0 X X 0 1
X 1 X 0 1
X X 0 0 1
1 0
0 ; LOW LEVEL
1 1
1 ; HIGH LEVEL
0 1
X ; DON'T CARE
OUTPUT PULSE WIDTH = 0.7CR
NOTE:
TYPE V
DD
74AC/74VHC +2 to +5.5V
74HCT +4.5 to +5.5V
+2 to +6V
74HC
VID-P110