Hm-126 - Icom IC-M502 Service Manual

11-4 HM-126

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