Pioneer DEH-P4900IB - Radio / CD, Service Manual

Page: 61 / 69

DEH-P490IB/XN/UC
66
1 2 3 4
1 2 3 4
C
D
F
A
B
E
PEG268A
1 10
11 20
Pin No. Pin Name I/O Function and Operation
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17,18
19
20
D_CLK
D_OUT
reset
XOUT
VSS
XIN
VCC
MODE
D_IN
rem
XRESET
DPDT
KYDT
MCLK
ADKEY2
VREF
ADKEY1,0
DIM
XCMD
O
O
I
O
I
I
I
I
I
I
O
I
O
O
I
I
I
O
O
OELD controller clock
OELD controller data output
MCU RESET
10 MHz crystal oscillator
GND
10 MHz crystal oscillator
Power supply input
Terminal for debug
OELD controller data input
Remote control input
Reset for OELD controller
DISP data input from sytem
KEY data output to system
OELD master clock output
AD KEY input 2
AD reference voltage input(VCC)
AD KEY input 1,0
General purpose port(DIMMER output)
Command select for OELD controller
-
Pin Functions (PEG268A)
Format
C
C
C
C
C
C
C
PE5547A
144 37
72 109
36
73 108
1
Format Meaning
C CMOS
N Nch open drain
Format Meaning
C CMOS
-
Pin Layout
vout GND VCC
1 2 3
-
Block Diagram
Amp Limiter B.P.F Demodulato Integrator Comparator
GND VCC vout
1 3 2
RL
GP1UX51RK