Sony HCD-HDX285 Service Manual page 79

HCD-HDX285/HDX287WC/HDX585/HDX587WC/HDX589W/HDX685/HDX686W
KEY BOARD IC802 BU2099FV (LED DRIVER)
Pin No. Pin Name
1 VSS
2 NC
3 DATA
4 CLK
5 LCK
6 Q0
7 Q1
8 Q2
9 Q3
10 Q4
11 Q5
12 Q6
13 Q7
14 Q8
15 Q9
16, 17 Q10, Q11
18 SO
19 X-OE
20 VDD
I/O
- Ground terminal
- Not used
I Serial data input from the system controller
I Serial data transfer clock signal input from the system controller
I Serial data latch pulse signal input from the system controller
O LED drive signal output terminal for DISC 5 indicator (green)
O LED drive signal output terminal for DISC 5 indicator (orange)
O LED drive signal output terminal for DISC 4 indicator (green)
O LED drive signal output terminal for DISC 4 indicator (orange)
O LED drive signal output terminal for DISC 3 indicator (green)
O LED drive signal output terminal for DISC 3 indicator (orange)
O LED drive signal output terminal for DISC 2 indicator (green)
O LED drive signal output terminal for DISC 2 indicator (orange)
O LED drive signal output terminal for DISC 1 indicator (green)
O LED drive signal output terminal for DISC 1 indicator (orange)
- Not used
O Serial data output terminal
I Output enable signal input terminal
- Power supply terminal (+3.3V)
Description
Not used
Not used
"L": LED on
"L": LED on
"L": LED on
"L": LED on
"L": LED on
"L": LED on
"L": LED on
"L": LED on
"L": LED on
"L": LED on
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