JVC AX-M9000, Руководство по обслуживанию

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AX-M9000
1-11
BU2114F-X (IC542,543,544) : LED controller
SIN
CK
LATCH
SOUT
EN
RST
GND
GND
GND
VDD
01
02
03
04
05
06
07
08
1. Pin layout
2. Pin function
Symbol
SIN
CK
LATCH
SOUT
EN
RST
GND
GND
GND
08
07
06
05
04
03
02
01
VDD
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
I/O
I
I
I
O
I
I
-
-
-
O
O
O
O
O
O
O
O
-
Function
Serial data input terminal
Shift lock of the shift register
When this terminal is set at "L", the latch output will be secured,
In addition, when the output of the shift register is changed during
"H", the latch output will be changed simultaneously.
Output of the shift register at the final stage
Enable terminals of 01 to 08
Reset of the shift register and latch
Ground
Ground
Ground
Output of the shift register at the 8th stage
Output of the shift register at the 7th stage
Output of the shift register at the 6th stage
Output of the shift register at the 5th stage
Output of the shift register at the 4th stage
Output of the shift register at the 3rd stage
Output of the shift register at the 2nd stage
Output of the shift register at the 1st stage
Power supply
Description of major ICs