Pioneer DEH-P600 Service Manual page 77

DEH-P600,P6000,P6050
PAL005A
Protector
Mute
Amp2
STBY
3 4 5
1 2
- Pin Functions (PD6279A)
Pin No. Pin Name
1–42 SEG41–0
43–46 COM3–0
47–49 V1–V3
50 VCC
51 LED
52 SO
53 SI
54,55 MOD0,1
56 RST
57 X0
58 X1
59 VSS
60 REMIN
61 DIM
62 GRN/amb
63–66 KDT4–1
67–72 KST6–1
73–100 SEG69-42
*PD6279A
31
50
78
Mute
Amp1
6 7
10
8 9 11
I/O Function and Operation
O LCD segment output
O LCD common output
LCD bias power supply
Power supply terminal
O LED control output
O System micro computer UART communication data output
I System micro computer UART communication data input
GND
I Reset signal input terminal
Crystal oscillator connection pin
Crystal oscillator connection pin
GND
I Remote control reception input
O Dimmer select output
O Illumination color select output
I Key data input
O Key strobe output
O LCD segment output
100
81
12 13 15 16 17
14
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
Mute Mute
Amp3
Amp4
20 21 22 23
18 19
8
7
6
5
24 25
WC
GND
DO
DI