Icom IC-2200H Service Manual page 46

11-3 HM-133V
• MAIN UNIT
MAIN UNIT
Q1
2SC2712
C23
R5 470
0.001
C:7.7V
J1
L1 0.82µ
M8V M8V
MU/D
M8VSW
PTT
to the IC-2200H
EP2
MICE
LOGIC unit J1
MIC EP3
E
MDATA EP4
C30 0.1
MC1
C1
R39 2.2k
470p
R40
C31
S1
2.2k
10
SKHHLP014A MICE
PTT
R:7.1V
T:7.0V
F-1
S2
F-2
S3
VFO
NOTE
S4
F: FUNC acting
D: DTMF acting
P: PTT-M acting
MR
C: COMMON
S5
R: RX
T: TX
BAND
S6
UP
S7
DN
S8
A B C D
S9 S10 S11 S12
3 6 9 #
S15 S16
S13 S14
2 5 8 0 DTMF
S17 S18 S19 S20 S25
1 4 7 FUNC
S21 S22 S23 S24 S26
D19
1SS355
C:5.0V
5V 5V
C2
100
R:7.7V C:3.8V C:3.8V
T:7.6V
DS5 DS3
DS7
LN1371G LN1371G
LN1371G
M8V
Q9
DTB113ZK
DS6 DS4
DS8
Q8 LN1371G LN1371G
LN1371G
2SC2712
MICE
Q2
MIC
R36
DTC114EU
10k
R38 220k R37 1.5k
MDATA
R8 12k
5V
MICE
Q7 Q6 Q5 Q4
2SA1586 2SA1586 2SA1586 2SA1586
R13
R16 10k R12
10k 10k
F:1.9V
F:1.9V D:1.9V
T:1.9V
Explanatory notes
DS10 DS11
VOLTAGE LINE
LT1EP53A LT1EP53A
TX LINE
D3 1SS355
D4 1SS355
D5 1SS355
IC2
D6 1SS355 MC14028BF
1 16
Q4 VDD
D7 1SS355
2 15
Q2 Q3
3 14
Q0 Q1
D8 1SS355 4 13
Q7 B
5 12
Q9 C
D9 1SS355
6 11
Q5 D
7 10
Q6 A
D10 1SS355
8 9
VSS Q8
D11 1SS355
D12 1SS355
5V
R18 470k
R19 470k
R20 470k
R21 470k
IC1 µPD7564AG-555
R22 100k
1 20
P00/INTO0 VSS
R23 100k 2 19
P01/SCK P113
R24 100k 3 18
P02/SO P112
R25 100k 4 17
P03/SI P111
5 16
P80 P110
6 15
P81 P103
R30 7 14
5.6k P82 P102
8 13
CL2 P101
9 12
CL1 P100
10 11
VDD RESET
C:5.0V
IC3
S-80845CLUA-B66-T2
C14
0.047
5V
I O
R29
G
100
• MAIN-A UNIT
MAIN-A UNIT
5V
C:3.8V
DS1
LN1371G
C:7.6V
C:3.8V
DS2
LN1371G
J1
M8V
MU/D
M8VSW
to the IC-2200H PTT
5V
LOGIC unit J1 MICE
MIC
E
R7 33k R6 33k MDATA
Q3
DTA114EU
MC1
5V
R9
10k
P:1.9V
5V
A
5V
UP BAND 3
S7 S6
F-2 MR 2
PTT
S3 S5
S17
F-1 VFO 1
S2 S4
NOTE
F: FUNC acting
D: DTMF acting
P: PTT-M acting
C: COMMON
R: RX
T: TX
C:5.0V
Q1
2SC2712
5V
R5 470
R:7.5V
T:7.5V
M8V
Q9
DTB113ZK
Q8
L1 0.82µ
2SC2712
M8V
EP2
MICE
R38 220k
EP3 MIC
EP4
MDATA
C30 0.1
R40 2.2k R39 2.2k
Q7
2SA1586
C31
10
MICE MICE
R:6.8V F:1.9V
T:6.8V
Explanatory notes
VOLTAGE LINE
TX LINE
MKEY-08
MKEY-07
MKEY-06
MKEY-05
MKEY-04
MKEY-03
MKEY-02
MKEY-01
MKEY-00
B C D
MKEY-I0
S12
S9 S10 S11
R22 4.7k
6 9 # DN
MASK
MKEY-I1
S13 S14 S15 S16 S8
R23 4.7k
FLASH
10k
5 8 0 DTMF
MKEY-I2
S18 S20
S19 S25
R24 4.7k
4 7 FUNC
MKEY-I3
S22 S23 S24 S26
S21
R25 4.7k
11 - 3
5V 5V
C:3.8V C:3.8V C:3.8V
DS5 DS3
DS7 DS1
LN1371G LN1371G
LN1371G LN1371G
C:3.8V
DS8 DS6 DS2
DS4
LN1371G LN1371G
LN1371G LN1371G
C12 0.001
5V
R8 12k R7 33k R6 33k
R37 Q3
Q2
1.5k DTA114EU
DTC114EU
5V 5V
Q5 Q4
Q6
2SA1586 2SA1586 2SA1586
F:1.9V
D:1.9V
T:1.9V P:1.9V
DS10 DS11
LT1EP53A LT1EP53A
LED-S2
SEND
LED-M2
LED-M1
5V 5V
IC1
µPD789071MC-041-5A4
0
R18 10k
5V 5V
R19 47k
C13
0.001
5V
X1
EFOS4914E3
IC3 BD5245G
R27 10k
5
1
OUT CD
5V 2
VDD
3 4
VSS NC
C:5.0V