Sharp CD-RW5000 Service Manual page 61

IC702 VHiBU2092F/-1: 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: 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.
Input/Output
Input GND
Input Sirial data input
Input Sirial clock input
Input Latch clock input
Output Panel LED
Ourput > I I LED
Output << LED
Output >> LED
Output Stop LED
Output Not used
Output CD 6 LED
Output CD 5 LED
Output CD 4 LED
Output CD 3 LED
Output CD 2 LED
Output CD 1 LED
Output Output enable
Input Power supply
Input/Output
Input GND
Input Sirial data input
Input Sirial clock input
Input Latch clock input
Output For CD power control
Output Not used
Output Not used
Output Not used
Output CD/CD-R input selection
Output LCD reset
Output Panel control switch
Output Panel control output close
Output Panel control output open
Output Fan motor ON/OFF
Output AUX analog/OPT digital selection
Output AUX analog/PHONO input selection
Input Output enable
Input Power supply
Function
Function
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CD-RW5000