Pioneer KEH-P6900R, Service Manual

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72
KEH-P6900R,P6900R-B,P6910R
BR9010FV
NC
VCC
CS
SK
WC
GND
DO
DI
1
2
3
4
8
7
6
5
CS
SK
DI
DO
WC : Chip select input
: Serial data clock input
: Serial data input
: Serial data output
: Write control input
-
Pin Functions (PD6279A)
Pin No. Pin Name I/O Function and Operation
1-42 SEG41-0 O LCD segment output
43-46 COM3-0 O LCD common output
47-49 V1-3 I LCD bias power supply
50 VCC Power supply
51 LED Open
52 SO O Serial data output
53 SI I Serial data input
54 MODE0 Connect to GND
55 MODE1 Connect to GND
56
rst
I Reset
57 X0 Crystal oscillator connection pin
58 X1 Crystal oscillator connection pin
59 VSS GND
60 REMIN I Remote control reception
61
dim
O Dimmer select output
62 GRN/
amb
O Green/Amber select output
63-66 KDT4-1 I Key data input (analogue input)
67-72 KST6-1 O Key strobe output
73-82 NC Not used
83-100 SEG59-42 O LCD segment output
*PD6279A
30
31
50
51 80
81
100
1