Af Unit - Icom IC-M602 Service Manual

12-3 AF UNIT

AF UNIT
HV
J5 HVS
VCC VCC
VCC 8V
to MAIN
GND 5V
unit
GND
J1
GND
SCOUT
HV
HVS
VCC
IC17
AF BU4094BCFV
SP- 1
STRB
AF 2
DATA
SP- 3
CLK
GND STRU 4
Q1
DSC AESUB 5
Q2
BEEP INCMH 6
Q3
OPTIN INCHM 7
Q4
to LOGIC
RMUTE 8
board J2
VSS
SCON
OPSTB
DATAMN
GND
DATANM R8
MICM
EPOE
FOG
ICF3
DATAH2M
EPSTB
DATAMH2
DATAH1M
DATAMH1
MICM
R39 1k
J2
8V
5V
R8
PCK
PDATA
to MAIN C275-C277
HLVL
unit J2 0.001
MOD
NWC
DET
GND
J7
MIC
to FRONT
MICG
unit W1
C43 0.027
R32 8.2k
C41
0.1
FOG
IC8
M5218AFP
8
V+
GND
4
IC8
M5218AFP
R91 1k
MOD 7
J3
IC6
PCK M5218AFP
5V 3
1
+
PDATA 2
-
R75
GND
18k
OPSTB
R97
OPTIN 10k
C78 12p
MICI
to optional
unit SCON
R74 390k
UT-112
DETI
GND
C96 0.1
MICO
GND
DETO
GND
C97 0.1
IC18 Q8
BU4094BCFV DTC144EU
16 1 16
VDD STRB VDD
INT SP ON: 4.89V
15 2 15
OENA DATA OENA OFF: 0.0V
14 3 14
Q5 CLK Q5
13 4 13
Q6 Q1 Q6
12 5 12
Q7 Q2 Q7
11 6 11
Q8 Q3 Q8
10 7 10
Q'S Q4 Q'S
9 8 9
QS VSS QS
Q1
D5
2SB1132
DAP202K
Q2
DTC144EU
Q7
R2
2SC3326
2.2k
RX: 4.93V
TX: 0.0V
AF
C50 1
R54
1M
RX: 5.87V
TX: 0.0V
Q12
R37
2SC4116
33k
Q13
R38 33k
C47
2SJ144
1
INCMH
AESUB
C44 0.0022
Q11
2SC4116
MUTE ON: 4.96V
OFF: 0.0V
VBIAS
R53
R52 1M
1M
R59 100k C64 1
EOGC
HALLIN
R31 8.2k
IC6 VBIAS
M5218AFP
8
V+
GND
4
IC8
R90 R89 R87
M5218AFP
68k 120k 3
68k
5 1 MICO
+
+ 2
6 -
-
C86
C84 22p
0.0039
R86 1M R85 12k
5V
R62 8.2k
VBIAS
Q18
IC6
2SK1069
M5218AFP 2.73V
5
7 +
6
-
C76 47p R68 C75
33k
0.22
R69 1M
R73 C77
8.2k 0.0022
MICI
DET
MICO MICO
HV
HVS
VCC
8V
5V
5V
R15 R14
1.2k 15k
D6
DA204K
D7
1SS355
RL2
FTR F3AA012E
SP+
AF
5V
R20
IC9
18k
M5218AFP
Q9
2SC4116
IC3
LA4425A
C33 1 5
1 C37 470
4
2
3
C38 0.1
VOL2
AF AF
TX: 4.96V
RX: 0.0V
MICM
C51 1
VBIAS HLC
5V
R55
1M DATANM
IC4
R50
BU4066BCF
47
1 14
I/O VDD
2 13
O/I CONT.A
3 12
O/I CONT.D
4 11 R49
I/O I/O 47
5 10 5V
CONT.B O/I
6 9
CONT.C O/I
7 8
VEE I/O
HLVL
5V
R317 R318
1 [M602]
39k [M602]
R56
150k [M601] 22k [M601]
47
C61 R316
5V
1 47k
3
- 4
1
+
C262
2
R57 470k 1
IC20
NJM2107F
IC5
R205
C200
BU4066BCF 15k DATAMN
3.3
1 14
I/O VDD
2 13 HALLOUT
O/I CONT.A
3 12
O/I CONT.D
4 11
I/O I/O
5 10
CONT.B O/I
6 9
CONT.C O/I
7 8
VEE I/O
MICS1
STRU STRU MICS2
VBIAS VBIAS
C98 0.1
IC7 R273
6.8k [M602]
BU4066BCF
3.3k [M601]
1 14
I/O VDD
2 13 MIC/DSC
O/I CONT.A
3 12
O/I CONT.D
4 11
I/O I/O
5 10
CONT.B O/I
6 9
CONT.C O/I
7 8
VEE I/O
W4
5V
R61 47
MICI
DET
CONNECT UNIT
HV
HVS RL1 FTR-P3CP012W1
VCC
EP2
VOL2
HVS
VOL1
IC2 IC1
EP3
TA78L05F TA7808S
VCC
O I O I
G G
13.8V
R197 8.2k
VCC
IC10
TA8225L
8
V+ 1
STBY
2
TJDET C209 100
GND 3
NF2
4 4
IN+
5
PREGND
IC9 6
IN- C210 100
M5218AFP 7
NF1
5 8
7 + EMGDET C211 47
6 9
- RIP R219
10
R202 10k
R203 820k VCC1
11
4.7k
OUT1
12
BS1
13
IC9
PW-GND1 C212 220
M5218AFP 14
PW-GND2 C213 220
3 C206 3.3 15
+ 1 BS2
2 16
-
OUT2
17
VCC2
C207
1000
HLC
5V 5V
IC11 M5222FP
W5
1 8
OUT1 VCC
2 7
IN1 OUT2
3 6
COM IN2
4 5
GND VC
R206 100k
R313 R312
R210 10k
27 27
5
3 R208 10k
- 4
IC19
1
TC7S14FU
+
2 R207
10k 5 1
IC14 2
NJM2107F 4 3
Q22 R225
12
2SC4081
R224
4.7k
Q24
2SK1069
D13
Q23
DA204K
DTC144EU
DATAMH1
VBIAS
DATAH1M
IC16
IC13
R267
BU4066BCF
BU4584BFV
47
1 14
I/O VDD
2 13 SPS1
O/I CONT.A
3 12 SPS2
O/I CONT.D
4 11
I/O I/O
5 10
CONT.B O/I
6 9
CONT.C O/I
7 8
VEE I/O DATAH2M
DATAMH2
Q28
2SK1069
C282 0.22
W2
R261
C271
1k
0.001 R276
3.3k [M601]
C283 6.8k [M602]
R275
0.22
1M
C272 0.001
ICF3
J3
SP- NMEAOUT+ RRXDA1
5 1
SP+ RTADA1
6
NMEAIN+ NMEAOUT- PTTC
4 2
3
NMEAIN-
12 - 4
VR BOARD
W1
R1
J1 TP96N97-15F-10KA-2345
J6
VR BOARD
HV J9
to CHASSIS
W1
J10
RL3 FTR-F1
J8
HAIL+
to CHASSIS
W2
D11
HAIL-
1SS355
Q21 R216 C216
2SC4116 1 0.047
R217 C215
0.047
1
Q51
2SB1143
Q52
2SD1664
R301 470
5V
VCC Q53
2SD1664
R311
27 IC-M601 only
W1
IC12
PC357N6T NMEAIN+
R222
470
NMEAIN-
RRXDA1
Q25
2SC4081
R245 47
RTADA1
R233
1k Q26
2SA1576
Q29
2SC4081
R264
R265 47
RTXDA2
4.7k
Q30
2SA1576
ICF3
J1 J2
VCC RRXDA2 VCC
7 1 7 1
AF/MIC1 RTXDA2 AF/MIC2
6 8 2 6 8 2
MICG PTTC MICG
5 3 5 3
4 4