Kenwood TK-250 Service Manual page 45

TERMINAL FUNCTION
~ TX-RX UNIT(X57-4440-10)
(C/3) :
Display section
TK-250
Connector No.
Pin No. Pin Name 1/0 Function 1 EC1
I
Encoder data input EC2
0
Encoder data input E
-
GND
RST
0
Reset signal output RXD
0
Serial control signal output
TXD
I
Se rial control signal input
5M I 5V
vce
UNIT(X58-4130-10)
Connector No.
Pin No. Pin Name
1/0
Function
1 MOD I
AF modulation signal input
(TX)
T/R
1
Normally : 5V, Transmit : OV
LV
I
PLL loek voltaqe input (O-5V)
vce
UNIT(X58-4130-10)
Connector No.
Pin No.
Pin Name 1/0 Function
1 OUT
0
VCO output
E
-
GND
5V I
5V
45