Hm-127 (Optional Unit) - Icom IC-M502 Service Manual

11-3 HM-127 (OPTIONAL UNIT)

MAIN UNIT
S1
SKQLLC
DS6
DS1
FY1101F-TR
A0119
DS5
FY1101F-TR
DS3
FY1101F-TR
DS2
FY1101F-TR
R6
10k
SEG10 21
S10
22
SEG11
S11
SEG12 23
S12
SEG13 24
S13
SEG14 25
S14
SEG15 26
S15
27
SEG16
P93/S16
SEG17 28
P92/S17
SEG18 29
P91/S18 IC1
SEG19 30
P90/S19 µPD789405AGK-A30-9EU
SEG20 31
P87/S20
32
SEG21
P86/S21
33
SEG22
P85/S22
SEG23 34
P84/S23
SEG24 35
P83/S24
SEG25 36
P82/S25
SEG26 37
P81/S26
38
SEG27
P80/S27
39
AVDD
40
AVREF
C4
0.01
C3
22
R10
100k
R13
100k
R11 R14
100k 100k
R12 R15
100k 100k
R16
100k
VPP
5V
J2
VPP RESET
1
5V
2
RESET SRXD
3
TXD
4
RXD STXD
5
GND
6
S5
10KEY
DS4 DS7
DS8
SML-311YT SML-311YT
SML-311YT
S2 S3 S8
10KEY
R1 R2
120 120
SKQLLC SKQLLC
DS10
SML-311YT
S6
10KEY
DS9
SML-311YT
S9
10KEY
S4 S7
C1
10
10KEY
SKQLLC
CP7
PTT
R7
10k
R8
10k
R9
10k
R20
R21
6.8k
39k
C5 R22
0.01 20k
R23
10k
80 VRDAT
P40/KR0
79
VRCK
P41/KR1
78 VCCSW
P42/KR2
77 DIM1
P43/KR3
76 DIM2
P44/KR4
75 DIM3
P45/KR5
74
IC
73
XT1
72
C6
XT2 0.01
71
VDD0
70
VSS0
69
X1
68
X2 R19 1M
67
X1
RESET
66 CSTCC4.91MG
P46
65
P47
64 HL
P00
63
VOL
P01
62 IC
P02
61 SQL
P03
DIM4
CONT1
CONT2
CONT3
RMUTE
BEEP
UP
DOWN
R17 R18
100k
100k
PWR
PTT
11 - 4
C12
C10 R35
0.1 1k 1
UP
R37
22k
R36
S10
10k
C13
SQL
0.047
C11
0.1
10KEY
VOL
IC3
DOWN
M62429FP
1 8
VIN1 VIN2
2 7
VOUT1 VOUT2
3 6
GND VCC
R3 VRDAT 4 5
DATA CLK
150
S11
IC VRCK
10KEY
D1
CHWX DA204U
R38 C22
0.01
15k
Q5
PTT
DTC144EU
5V
R75
22
Q1
2SK1069
R24
R76
1.2k 22
Q2
2SB1132
R25
R77
10k
22
C7
C9
0.1
0.01
R27
10k
R26
NTCCM16084BH
R59 R61
39k
15k
R63
10k
Q3
R60
R28 2SC4116
10k
20k C38
0.1
R29
R30 Q12
10k
18k 2SC4116
R62 D2
R31
R32
DAN202U
10k 47k
20k
R34 R64
1k 3.9k
R33
10k
PWR
PTT
RMUTE IC7
S-80928ANMP
BEEP 1
OUT
2
VDD
3
VSS
R50
100k
RESET
R53
C44
100k
0.1
VCCSW
1
5V 2
3
4
SRXD IC8
TC7W14FU
STXD
IC2
C18
TA7368F
330
1 10
NC POUT
2 9
VCC PWGND
3 8
NC PREGND
4 7
VIN PHASE
5 6
RIPPLE NF
C14 C15
0.1
100
C17
C16 100
100
C24 Q4 C26
1 2SJ144 1
R40
470k
R70
R39 R41
33
100k 100k
C25
0.01
C23
22
CP5
CP4
R43
2.7K ERJ3GE
C31
R46 R47 C33
0.22
33k 470k 1
C32
47p
R44
100k
C29
0.001 5
3
R65
4
1M
C28
1
0.1
IC4
2
C30 NJM2125F
R45
Q6 10
R66
DTB123EK 100k
1M
AF5V
C37 C35 C53
22 22
0.01
IC9
R67
TC4W53FU
1M
1 8
2 7
C54
3 6
1
IC5 4 5
TA78L05F
C47
5V VCC
470P
C34 C36
0.1 0.1
IC6
CP11 D3 1SS355 R68
TA7808F
C50
0.001
VCC
8V
C39 C40 C41 C52
100 47p
0.1 330 C51
47p
R69
CP18
100
R52
39k
PTT
5 R51
CD
27k
4
C42
NC
0.027
5V
C45
0.01
C46
Q9
R56 0.1
2SK1069
1k
Q10
2SC4081
R57
8
4.7k
7
6
R58
5
47
R55 Q11
R54 47k 2SA1576
1k
CHASSIS
CP2
SP+
+
SP1
036D0801
SP-
-
CP3
MIC MC1
SKB-2746 LPC
MICG
R42
12k
C27
470p
CP6
CP12
J1
VCC
1
AF/MIC
CP15 2
MICG
3
GND
100 4
PTTC
5
RTXDA
6
RRXDA
7
PWRC
8
CP14
CP16 CP17
RTXDA
RRXDA