42
KEH-P7850
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Pin Functions(PD6294A)
Pin No.
Pin Name
I/O
Function and Operation
1
VSS
GND
2
X1
Crystal oscillator connection pin
3
X0
Crystal oscillator connection pin
4
rst
I
System reset
5,6
MODE1,0
GND
7
GRN/amb
O
Green/Amber select output
8
SO
O
UART output
9
SI
I
UART input
10
REMIN
I
Remote control reception
11
RVER
Not used
12
NC
Not used
13–16
KDT4–1
I
Key data input
17–22
KST6–1
O
Key strobe output
23
VCC
5V
24–73
SEG49–0
O
LCD segment output
74–77
COM3–0
O
Common driver output
78–80
V3–1
LCD bias power supply
20
21
40
41
60
61
80
1
*PD6294A
Summary of Contents for KEH-P7850
Page 4: ...4 KEH P7850 2 2 EXTERIOR ...
Page 7: ...7 KEH P7850 ...
Page 8: ...8 KEH P7850 2 3 CASSETTE MECHANISM MODULE ...
Page 11: ...11 KEH P7850 5 6 7 8 A B C D 5 6 7 8 A b A A ...
Page 12: ...12 KEH P7850 BANTENNA JACK A 1 2 3 4 B C D 1 2 3 4 A a A a A b ...
Page 13: ...13 KEH P7850 C D E F MODULE 5 6 7 8 A B C D 5 6 7 8 A a A a A b C ...
Page 14: ...14 KEH P7850 A A 1 2 3 4 B C D 1 2 3 4 A a A b A b ...
Page 15: ...15 KEH P7850 5 6 7 8 A B C D 5 6 7 8 A b A a A b ...
Page 17: ...17 KEH P7850 ER UNIT IFC 5 6 7 8 A B C D 5 6 7 8 B A ...
Page 22: ...22 KEH P7850 A 1 2 3 4 B C D 1 2 3 4 A A TUNER AMP UNIT ...
Page 23: ...23 KEH P7850 5 6 7 8 A B C D 5 6 7 8 A SIDE B ...
Page 24: ...24 KEH P7850 A 1 2 3 4 B C D 1 2 3 4 4 2 KEYBOARD UNIT C SIDE A KEYBOARD UNIT C ...
Page 25: ...25 KEH P7850 EL901 CN601 EJECT A 1 2 3 4 A B C D 1 2 3 4 C SIDE B C KEYBOARD UNIT ...
Page 26: ...26 KEH P7850 A 1 2 3 4 B C D 1 2 3 4 4 3 FM AM TUNER UNIT B B SIDE A FM AM TUNER UNIT A ...
Page 27: ...27 KEH P7850 1 2 3 4 A B C D 1 2 3 4 B B SIDE B FM AM TUNER UNIT ...
