Icom IC-725 Instruction Manual page 13

11
З SYSTEM INTERCONNECTIONS
eHM-12 SCHEMATIC DIAGRAM
MICROPHONE MICROPHONE. CABLE MICROPHONE PLUG
UP/DOWN
зелені
о ο
ON OFF
PTT
RECEIVE
O TRANSMIT
3-7 ACC- SOCKET INFORMATION
(1) ACC(1) SOCKET
SPECIFICATIONS = —
LU ΕΕ
Connected in parallel with ACC(2) pin 2.
Input/output pin. Ground level : —0.5~ 0.8 V
3 Goes to ground when transmitting. Input current : less than 20mA
When grounded, transmits.
Modulator input. Input impedance : 10kQ
Connects to a modulator. Input level : Approx. 100 mV rms
NC
GND
Connected in parallel with ACC(2) pin 3.
AF AF detector output. Output impedance : 4.7kQ
Fixed, regardless of [AF] position. Output level : 100 ~ 300 mV rms
SOLS Squelch output. SOL open : Less than 0.3 V/5 mA
Goes to ground when squelch opens. SQL closed : More than 6.0 V/100 uA
: Output current : Max.1A |
L 13,8 V 13.8 V output when power is ON. Connected in parallel with ACC(2) pin 7.
Control voltage : -4~0V
ALC Input impedance : More than 10 kQ
(2) ACC(2) SOCKET
ALC voltage input.
Connected in parallel with ACC(2) pin 5.
Output voltage : 8V £03V
Output current : Less than 10 mA
Band voltage output.
(Varies with amateur band) Output voltage ОУ
Same as АСС(1) pin 8.
De eem |
13.8 V Same as ACC(1) pin 7.