74
HCD-X10
•
IC Block Diagrams
– MAIN Board –
IC4 SN74LVC1G79DCKR
1
2
VCC
5
D
Q
CLK
GND
TG
TG
TG
TG
4
C
C
C
C
C
C
_
C
_
C
_
C
_
C
_
3
1
VC
TSD
2
VIN
3
GND
4
VOUT
5
ADJ
+
–
REF
1
2
3
1A
1Y
1 OE
4
5
6
2A
2Y
2 OE
7
GND
10
9
8
3A
3Y
3 OE
13
12
11
4A
4Y
4 OE
14 VCC
IC5, 9, 601 – 603 SI-3010KM-TL
IC412 SN74LV125APWR
5
6
7
8
12
11
10
9
1Y0
1Y3
A
B
GND
GND
INH
2Y1
1
2
3
4
6
5
7
8
VIN 1
SW 1
SW 2
V+
VIN 3
V OUT
GND
VIN 2
BIAS
BUFFER
IC442, 604, 605 NJM2235V(TE2)
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QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299