Icom IC-M502

11 - 5
11-4 HM-126
1
2
P2
to LOGIC unit J1
(IC-M501EURO)
to MAIN unit J7
(IC-M501EURO)
KEYM
KGND
GREEN
BROWN
RED
BLACK
WHITE
GREEN
BROWN
W1 (CHASSIS)
IN
OUT
PTT
GND
MIC
SPMIC
KEYM
MICE
1
2
3
4
5
6
7
J1
KGND
1
2
3
4
5
6
7
P3
PTT
MIC
MICE
SPMIC
KEYM
UP-ON 2.0V
DN-ON 3.0V
H/L-ON 3.8V
GND
KGND
W1
W4
W3
R5 15
W2
C1
470p
C2
470p
R1
12k
SP1
S36G04K-4
MC1
KUC2123-030245
UP
PTT
DN
S1
SKHHLP014A
S2
S3
R2 6.8k
R3 15k
BLUE
HANG
SPMIC
GND
MIC
MICE
HANG
PTT
AF1
AF2
RED
BLUE
BLACK
WHITE
OUT
IN
1
2
3
4
5
6
7
8
P1
R4 33k
S4
S2–S4 : SKHHAM024A
H/L