Icom IC-M401E - HM-132 Voltage Diagram

11 - 3
MC1
KUC3523-040245
C1
0.022
C2
470
R1
12k
R2
6.8k
S4
SKHHAM024A
R3
15k
R4
33k
S2
SKHHAM024A
S1
SKHHLP014A
S3
SKHHAM024A
1
2
1
2
3
4
W2
W1
W3
W4
UP [Y]
DOWN [Z]
16/C
PTT
MIC
PTT
to LOGIC-E board J3
to MAIN-E unit J4
MICG
MIC
GND
KEYM
GND
CHASSIS UNIT
W1 OPC-1081 (Black)
OPC-1082 (White)
Y ON 2.0V
Z ON 3.0V
16/C ON 3.8V
11-3 HM-132