Read Sharp CD-CH1500 (serv.man8) Service Manual online
– 55 –
CD-CH1500H/CD-CH1500W
Input/Output
Port Name
Terminal Name
1
VSS
—
Input
GND
2
DATA
—
Input
Serial data input.
3
CLOCK
—
Input
Serial clock input.
4
LCK
—
Input
Latch clock input.
5
Q0
LED_EG
Output
Panel LED
6
Q1
LED1
Output
Stop LED
7
Q2
LED2
Output
< REV PLY
8
Q3
LED3
Output
<< LED
9
Q4
LED4
Output
>> LED
10
Q5
LED5
Output
> I I LED
11
Q6
CD LED 6
Output
CD 6 LED
12
Q7
CD LED 5
Output
CD 5 LED
13
Q8
CD LED 4
Output
CD 4 LED
14
Q9
CD LED 3
Output
CD 3 LED
15
Q10
CD LED 2
Output
CD 2 LED
16
Q11
CD LED 1
Output
CD 1 LED
17
OE
—
Output
Output enable.
18
VDD
—
Input
Power supply.
Pin No.
IC702 VHiBU2092F/-1: Input/Output Expander (BU2092F)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
1
VSS
VSS
Input
GND
2
DATA
DATA
Input
Serial data input.
3
CLK
CLK
Input
Serial clock input.
4
LCK
LCK
Input
Latch clock input.
5
Q0
CD-SW
Output
For CD power control.
6*
Q1
N.C.
Output
Not used.
7*
Q2
N.C.
Output
Not used.
8*
Q3
N.C.
Output
Not used.
9
Q4
CD-R_SEL
Output
Not used.
10*
Q5
LCD RESET
Output
LCD reset.
11*
Q6
P-CONT
Output
Panel control output switching.
12
Q7
PNL_CL
Output
Panel control output.
13
Q8
PNL_OP
Output
Panel control output open.
14
Q9
FAN
Output
Fan motor ON/OFF.
15
Q10
AUX_SEL
Output
Not used.
16
Q11
DIG_SEL
Output
Not used.
17
OE
OE
Output
Output enable.
18
VDD
VDD
Input
Power supply.
IC912 VHiBU2092F/-1: Input/Output Expander (BU2092F)
Function
Input/Output
Port Name
Terminal Name
Pin No.
Function
Click on the first or last page to see other CD-CH1500 (serv.man8) service manuals if exist.