Pioneer DEH-P7000R Service Manual page 72

DEH-P7000R,P7000R-W,P6000R
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
72
Mute
Amp1
6 7
8 10 11
9
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
15 16 17
12 13 14
BR9010FV
NC
1
VCC
2
CS
SK
DI
DO
CS
3
WC
SK 4
Mute Mute
Amp3
Amp4
20 22 23
19 21
18
: Chip select input
: Serial data clock input
: Serial data input
: Serial data output
: Write control input
24 25
WC
8
GND
7
DO
6
5 DI