Icom IP501M Service Manual page 36

Ip advanced radio system
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• FRONT-D UNIT
[MICROPHONE]
J1
S2
M _ +8V
1
M _ +8V
CLO
2
AFO
3
PTT
4
MICE
5
MIC
6
GND
7
CLI
8
S1
A
B
COM
4
RH7NWBPHE20A
R104
3.3k
IC101
1
2
R106
3
4
3.3k
TC7W14FU
33C(3.3V)
MINISMDC050F
R1
1k
EP1
MMZ1608S601A
R2
1k
2
3
1
5
33C(3.3V)
8
7
R105
6
5
3.3k
33C(3.3V)
R101
3.3k
IC100
1
8
SEL
2
7
R103
3
6
4
5
3.3k
TC7W14FU
PROG
FUNC
8C (8 V)
33C (3.3 V)
FRONT-C UNIT
J3
33C
1
3
5
8C
7
9
11
13
15
17
19
21
PSW
23
25
27
29
MAIN-A UNIT (3/6)
MAIN-A UNIT (4/6)
Explanatory notes
Voltage Line
10-2
R102
3.3k
LCDDT
2
LCDCL
4
LCDSB
6
RSLCD
8
LCDCS
10
12
14
16
DTM1
18
20
DLC _ B
22
DLC _ R
24
TLC
26
RLC
28
BLC
30
J2
Bluetooth ANTENNA
J4
C11
L12
18P
6.2N
EP2
AH212M245001

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