Pioneer FH-P4200MP/XU/UC Service Manual page 73

5
- Pin Functions(PEG079A)
Pin No. Pin Name
1-10 NC
kst5-0
11-16
17 AVCC
kdt3-0
18-21
22-25 NC
26 AVSS
27 X0
28 XI
29 VSS
30,31 OSC2,OSC1
32,33 TEST,TEST2
34 VDD
reset
35
36 FWE
37-44 COM0-7
45-52 NC
53-108 SEG1-56
109-113 V50-10
114-116 V4,V34,V3
117 Vci
118,119 C2-,C2+
120,121 C1-,C1+
122 VLOUT
123 VLCD
124 VSS
dim
125
126 LED
127 ILM
128-133 NC
134 REM
135-141 NC
142 KYDT
143 DPDT
144 NC
* PEG079A
108
109
144
1
5
6
I/O Function and Operation
Not used
O Key strobe output
Power supply
I Key data input
Not used
GND
Crystal oscillator connection pin
Crystal oscillator connection pin
GND
Crystal oscillator connection pin
I Test input
Power supply
I Reset input
Not used
O LCD common output
Not used
O LCD segment output
Not used
Not used
LCD drive power supply
Capacitor connection pin
Capacitor connection pin
LCD drive power supply
LCD drive power supply
GND
O Dimmer output
Not used
Not used
Not used
I Remote control reception input
Not used
O System micro computer UART communication data output
I System micro computer UART communication data input
Not used
S-80842CNUA-B83
73
72
37
36
FH-P4200MP/XU/UC
6
7
V
REF
1 2
7
8
A
B
C
D
E
3
F
73
8