Description Of Major Ics - JVC HX-Z3 Service Manual

Description of major ICs

BU2092(IC811): EXT IC
1.Terminal Layout
Vss
DATA
CLOCK
LCK
2.Pin Function
1
2
3
4
Q0
5
Q1
6
Q2
7
Q3
8
Q4
9
Symbol
Pin No.
1 Vss
2 DATA
3 CLOCK
4 LCK
5~16 Q0~Q11
17 OE
18 Vdd
CONTROL
CIRCUIT
Function
I/O
- Connect to GND
I Serial Data input
I Shift Clock of Data
I Latch Clock of Data
O Parallel Data Output
Latch Data L H
OUTPUT ON OFF
I Output Enable
- Power Supply
Vdd
18
OE
17
Q11
16
Q10
15
Q9
14
Q8
13
Q7
12
Q6
11
Q5
10
HX-Z3
1-27