Pioneer CX-958 Service Manual page 55

BR9010FV
NC
1
VCC
2
CS : Chip select input
SK : Serial data clock input
DI : Serial data input
DO : Serial data output
CS
3
WC : Write control input
SK
4
- Pin Functions (PD6293A)
Pin No. Pin Name
1-5 SEG4-0
6-9 COM3-0
10 VLCD
11-14 KST3-0
15,16 KDT0,1
17 REM
18 DPDT
19 NC
20 KYDT
21 MODA
22 X0
23 X1
24 VSS
25,26 KDT2,3
27 NC
28 KST4
29-32 NC
33-55 SEG35-13
56 VDD
57-64 SEG12-5
*PD6293A
32
17
WC
8
GND
7
DO
6
DI
5
I/O Function and Operation
O LCD segment output
O LCD common output
LCD drive power supply
O Key strobe output
I Key data input (analogue input)
I Remote control reception
I Display data input
Not used
O Key data output
GND
Crystal oscillator connection pin
Crystal oscillator connection pin
GND
I Key data input
Not used
O Key strobe output
Not used
O LCD segment output
Power supply
O LCD segment output
49
64
DEH-2130R,2100R
55