Sharp CD-CH1500 Service Manual page 45

IC702 VHiBU2092F/-1: Input/Output Expander (BU2092F)
Pin No. Port Name
1 VSS
2 DATA
3 CLOCK
4 LCK
5 Q0
6 Q1
7 Q2
8 Q3
9 Q4
10 Q5
11 Q6
12 Q7
13 Q8
14 Q9
15 Q10
16 Q11
17 OE
18 VDD
IC912 VHiBU2092F/-1: Input/Output Expander (BU2092F)
Pin No. Port Name
1 VSS
2 DATA
3 CLK
4 LCK
5 Q0
6* Q1
7* Q2
8* Q3
9 Q4
10* Q5
11* Q6
12 Q7
13 Q8
14 Q9
15 Q10
16 Q11
17 OE
18 VDD
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Terminal Name Input/Output
— Input
— Input
— Input
— Input
LED_EG Output
LED1 Output
LED2 Output
LED3 Output
LED4 Output
LED5 Output
CD LED 6 Output
CD LED 5 Output
CD LED 4 Output
CD LED 3 Output
CD LED 2 Output
CD LED 1 Output
— Output
— Input
Terminal Name Input/Output
— Input
— Input
— Input
— Input
CD_POWER Output
— Output
— Output
— Output
— Output
LCD RESET Output
P-CON Output
MOV PNL CL Output
MOV PNL OP Output
FAN Output
— Output
— Output
— Output
— Input
GND
Serial data input
Serial clock input
Latch clock input
Panel LED
Stop LED
< REV PLY
<< LED
>> LED
> I I LED
CD 6 LED
CD 5 LED
CD 4 LED
CD 3 LED
CD 2 LED
CD 1 LED
Output enable
Power supply
GND
Serial data input
Serial clock input
Latch clock input
For CD power control
Not used
Not used
Not used
Not used
LCD reset
Panel control output switching
Panel control output
Panel control output open
Fan motor ON/OFF
Not used
Not used
Output enable
Power supply
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CD-CH1500
Function
Function