Page
38
from
38
7.10.
Block Diagram of the OM4000A Power Amplifier
LOAD
TUNE
K7
T sensor
K3
K8
K9
Bu2
Bu4
Bu3
K1
K7
Bu1
ANT / BPF SW
CONTROL
PC
TCVR
CI-V
ALC
KEY OUT
KEY IN
K6
LCD DISPLAY
I / O box
MOTOR CONTROL
BAND SELECT
LOAD
TUNE
M
M
M
K3
K2
K1
K9
K10
K7
K6
K5
K11
K8
K4
REM SW
Ext.bl.
uPC
K16
K15
K14
K11
K8
K9
K5
K12
K1
K10
K13
K6
K3
K2
K4
P13
K2
K3
Kl 8
Kl 7
K1
Kl 3
Kl 4
Kl 2
Kl 1
K5
K4
K1
K2
K3
K5
TR2
TR1
AC14V
AC2
AC1
K4
Cover SW
OM 4000A Block diagram
HF PROBE
Fuse
Blower
SW ON BOARD
HV SUPPLY
CONTROL BOARD
DISPLAY BOARD
OUTPUT
AC 2
AC 1
INPUT
METER SW
STBY SW
PWR METER
SCREEN BOARD
INPUT BOARD
J
1R0
R9
2
1
J
1R0
R8
2
1
2
1
2
1
2
1
2
1
2
1
X2 FU728f
7
5
4
3
2
2
1
1
2
X1 FU728f
7
5
4
3
2
1
2
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
1
2
2
1
2
1
2
1
1
4
5
3
2
1
1
2
1
2
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
1
2
1
2
2
1
1
2
1
2
1
2
1
Summary of Contents for X8NOM4000A
Page 28: ...Page 28 from 38 7 1 ...
Page 29: ...Page 29 from 38 7 2 Example of connection for ELECRAFT ...
Page 30: ...Page 30 from 38 7 3 Example of connection with Yeasu ...
Page 31: ...Page 31 from 38 7 4 Example of connection with antenna switch and BPF ...
Page 32: ...Page 32 from 38 7 5 Example of connection USB micro KEYER II with IC7800 or IC7700 ...
Page 33: ...Page 33 from 38 7 6 Example of connection USB micro KEYER II with another Icom ...
Page 34: ...Page 34 from 38 7 7 Example for connection USB micro KEYER II with Yeasu or ELECRAFT ...
Page 35: ...Page 35 from 38 7 8 Example of connection PA with MicroHAM MKII MK2R etc with CI V output ...
