Appendix ASchematics diagrams
Description page
1. Padding Capacitor 160&80m. . . . . . . . . . . . . . 22. Control . . . 33. HV
. Input board . . . .
. Keyboard
. Mains&LV Power Supply
. True Resistance Indicator
. Wattmeter
Rectifier
5 86 97 108 49 5
. . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . 6
. . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.. . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
4. HV Filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
ACOM101 Technical SupplementAppendix A
1 p. 1 of 15
PADDING CAPACITOR 160&80mSchematic diagram Sht. 1 of 1
p. 2 of 15ACOM 101 Technical SupplementAppendix A
1
CL4.1
S1C.9 (160m)S1C.9 (160m)
S1C.10 (80m)S1C.10 (80m)
CL4.1 - CL4.4 - 4x130pF/2kV/1.5kVACL4.1 - CL4.4 - 4x130pF/2kV/1.5kVA
Cl3 - 130pF/2kV/2.5kVACl3 - 130pF/2kV/2.5kVA
CL4.2
CL4.3
CL4.4
CL3
LM
393D
5 67
R21
6k8
ULN
2003D
611
JP2
WATTM
ETE
R
TU
BE
DE
CK 1 2 3 4 5 6 7 8 9
10
C2
47n
1%
R26
220k
LM
358D
67
+5V
GN
D
R7
22
kR
647k
fwdi
C1
47n
U4B
CD
74H
CT132M
4 56
ULN
2003D
710
OU
TR
*EN
AB
ipg2
R20
1kQ
1B
CX
19
AN
T2
JP1
MA
INS
1 2 3 4 5 6 7 8 910
11 12
Vre
f
*AN
T2
C8
100n
U4C
CD
74H
CT132M
9 10
8
C9
1n
R28
220k
*OR
C
ULN
2003D
413
U3B
ULN
2003D
215
R4
47k
*RTTY
R24
10k
C10
47n1%
R8
150k
C7
47n
R5
10k
C6
1uF
10V
pfw
d
Vre
f
D2
BZX
84C
4V
7P
hili
ps
aavd
+1,5
V-
200W
+15V
KE
YIN
RTTY
*IN
R
D3
BAV
99
+1,5
V-
700W
+15V
g1w
arn
C14
1uF
10V
116
9 8
314
1%
R18
470k
R25
10k
STS
T
R15
10k
C5
47n
EN
AB
*IN
R
+5V
+15V
g2w
arn
GN
D
ULN
2003D
512
R1
10k
R17
220k
+15V
R22
150k
R11
47k
G1W
G1V
L
R16
2k2
1%
*AAV
R19
2k2
R22a
150k
U4A
CD
74H
CT132M
1 23
14
1%
R3
10k
rfl
R14a
2k2
U4D
CD
74H
CT132M
12
13
11
*KE
YIN
+1,6
4V
-240W
*STS
T
C12
1n
*OUTR
GN
D
C13
47n
R14
33k
Led_Tx_
a
R10
1k
+5V
1%
+5V
LM
358D
3 21
8 4
paav
C11
1n
rfli
+1,6
V-
800W
*AN
T2
+5V
D4
BZX
84C
4V
7
R2
30,1
k
R12
402
R27
10k
aavd
C4 1n
*PA
NT
R23
470
+5V
C3
47n
INR
*ORCW
Q2
BC
X19
ipg2
LM
393D
3 21
84
R9
10k
G2W
+5V
CONTROLSchematic diagram Sht. 1 of 3
ACOM101 Technical SupplementAppendix A
1p. 3 of 15
U1B
U2B
U3F
U1A
2A
U
U3A
U3C 3D
U
3E
U3G
U
+ -+ -
+ -+ -
7
5
LedC
10
LedC3
LedC
7
LedC
9D
12
D5
LedC8
LedC
5
LedC11
D30
IP
D7
D24
D15
D13
LedC13
D29
F+5V
+5V
LedC
8
LedC11
D16
+5V
LedC
15
LedC8
D26
D21
SC
LK
+5V
LedC12
LedC13
Q4
BC
X17
D6
LedC4
LedC16
LedC3
LedC
11
D20
D22
SS
DAT
LedC
1
LedC7
LedC14
D28
LedC
16
LedC5
R33
4k7
JP4
CO
N4
1 2 3 4
LedC
2
+5V
LedC
14
U5
TLC
5921
123 4 5
67 8 910
11 12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
GN
D
BLA
NK
XLAT
SC
LK
SIN
PG
ND
OU
T0
OU
T1
PG
ND
OU
T2
OU
T3
OU
T4
OU
T5
PG
ND
OU
T6
OU
T7
OU
T8
OU
T9
PG
ND
OU
T10
OU
T11
OU
T12
OU
T13
PG
ND
OU
T14
OU
T15
PG
ND
SO
UT
XD
OW
NS
OM
OD
E
IRE
F
VC
C
LedC2
LedC
(TR
I)
12
RedI1
R30
10k "PROTECTION"
LedC9
LedC7
D14
LedC2
LedC4
LedC
10
"PLATEWARNING"
LedC15
R32
1k
D8
C26
100uF
16V
R29
10k
LedC1
D19
LedC5
LedC15
LedC
6
LedC
9
D23
LedC
3X
LAT
D10
LedC
4
LedC14
LedC
13
D9
RedI0
LedC9
D25
LedC6
Q3
BC
X17
+5V
D11
R31
1k
D18
D17
D27
LedC6
LedC10
LedC
12
LedC1
LedC10
LedC
11
C15
100n
CONTROLSchematic diagram Sht. 2 of 3
p. 4 of 15ACOM 101 Technical SupplementAppendix A
1
CONTROLSchematic diagram Sht. 3 of 3
ACOM101 Technical SupplementAppendix A
1p. 5 of 15
R39
2k2
+5V
U11
4094
1 2 315
4 5 6 7 14
13
12
11 9 10
16 8
STR
D CLK
OE
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
QS
QS
VD
DV
SS
MIS
O
RedI1
+5V
U6
74165
10
11 12
13
14
3 4 5 6
2151
9 716 8
SE
RA B C D E F G H
CLK
INH
SH
/LD
QH
QH
VC
CG
ND
+5V
SC
LK
SS
DAT
R36
270
G1W
SC
K
JP3
KB
D
1 2 3 4 5 6 7 8 9 10
11 12
RTTY
_kb
d
U9
4094
1 2 315
4 5 6 7 14
13
12
11 9 10
16 8
STR
D CLK
OE
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
QS
QS
VD
DV
SS
+5V
OU
TR
+5V
Vre
f
+5V
+5V
R42
1k
ipg2
+5V
U12
AT24C
32
6 54
7
1 2 3S
CL
SD
A
VC
C
VS
S
MO
DE
E0
E1
E2
C21
100n
SC
LK
Led_A
2
*OLE
EN
AB
I2C
_S
DA
I2C
_S
CL
STS
T
*OL
Led_A
1
SC
LK
D36
G1
STB
Y-O
PE
R
JP5
PO
WE
R
+5V
R35
150k
+5V
"G1WARNING"
C16
27pF
C20
100n
R38
2k2
SS
ER
215
*RTTY
*OLE
*AAV
+5V
A1-A
2
512
SC
K
C19
100n
116
9 8
paav
ATMEL
Q5
BC
X19
RedI0
KE
YIN
I2C
_S
DA
KE
YIN
R41
10k
+5V
+5V
R40
10k
MO
SI
O0E
MO
SI
I2C
_S
CL
RE
SE
T
U7
LM
336D
48
5
710
+5V
Led_Tx_
a
SS
DAT
+5V
+5V
C25
47n
rfl
314
Led_A
2
RP
110k
F.S
.
AN
T2
+5V
A1-A
2
Led_R
TTY
413
*OL
X1
4000kH
z
D37
G2
XLAT
IN0E
*OL
611
+5V
C24
47n
+5V
SS
ER
C22
47n
*KE
YIN
RESET
R37
270
RTTY
_kb
dLed_O
PE
R
C23
47n
C17
27pF
R34
2k2
*OR
C
SS
DAT
IN0E
Led_O
PE
R
Led_A
1
O1E
STB
Y-O
PE
R
O0E
G2W
SC
LK
C18
1uF
10V
pfw
d
MIS
O
"G2WARNING"
+5V
R43
270
INR
O1E
Led_R
TTY
+5V
JPR
AV
R_P
RO
G
1 2 3 4 5 6 7 8
U8_a A
Tm
eg
a8-T
QF
P32
29
30
31
32
124 37 8
910
1112
13
14
15
16
17
18
20
21
23
24
25
26
27
28
19
22
56
PC
6(R
ES
ET)
(Rxd
)PD
0(T
xd)P
D1
(IN
T0)P
D2
(IN
T1)P
D3
(XC
K/T
0)P
D4
VC
C
GN
D
(XTA
L1/T
osc
1)P
B6
(XTA
L2/T
osc
2)P
B7
(T1)P
D5
(Ain
0)P
D6
(Ain
1)P
D7
(IC
P)P
B0
PB
1(O
C1A
)P
B2(S
S/O
C1B
)P
B3(M
OS
I/O
C2)
PB
4(M
ISO
)P
B5(S
CK
)
AV
CC
AR
EF
AG
ND
PC
0(A
DC
0)
PC
1(A
DC
1)
PC
2(A
DC
2)
PC
3(A
DC
3)
PC
4(A
DC
4/S
DA
)P
C5(A
DC
5/S
CL)
AD
C6
AD
C7
GN
D
VC
C
*PA
NT
U10A
U10B
U10C
10D
U10E
U10F
U10G
U
8
HV RectifierSchematic diagram Sht. 1 of 1
p. 6 of 15ACOM 101 Technical SupplementAppendix A
1
+HV
GND
HR
R9
150k
2W
R8
22/10W
D2
D3
D1
D1-D1616xS1M
D1-D1616xS1M
D10
D11
C8
2.2n/6kV
D17
D17-D204xS1M
D17-D204xS1M
P340
M340
BM-
BP+
R7
150k
2W
C7B
100uF
450V
D9
D13
D12
D14
D15
D16
C7A
100uF
450V
T18
1660V~
D19
D20
D18D4
D5T15
D6
D7
D8
F1
2ASB
2ASB
T13
270V~
T14
R1
150k
2W
R2
150k
2W
R3
150k
2W
R4
150k
2W
R5
150k
2W
R6
150k
2W
C2
100uF
450V
C1
100uF
450V
C3
100uF
450V
C4
100uF
450V
C5
100uF
450V
C6
100uF
450V
CM-
CP+
ACOM101 Technical SupplementAppendix A
1p. of 17 5
HV FILTER1 1Schematic diagram Sht. of
INPUT BOARDSchematic diagram Sht.1 of 1
ACOM1011 Technical SupplementAppendix A
p. of 18 5
AR3
220
300nH*
L3
D1.1
BAS70-04
R2
62k
R1
62k
1 2 3 4 5 6 7 8 910
JP1
CONTROL
WATTMETER *INR
+15V
GND
aavi
C1
1n
aavi
+15V
C2
10n
D1.2
C3.1
56
C3.2
56
TOPVIEW
TOPVIEW
BAS70-04
R50
Rsw
50/100W
G2
R4
47/1W
+265V
BIAS
+15V
n/c
GND
RX
GNE
GND
IN +15V
*INR
C8
10n
C9
10n
120
R5
K1C
TQ2-12V
R6120
1(+)
10
C4
10/500V L2
240nH*
C5
47*/500V
L1
65nH*
K1A,B
3,8
2,9
4,7
BottomView
BottomView
4CX250B(7203)
4CX250B(7203)
G1A
G1B
C6
220/500V
R7
4.7k/1W
R8
120
RFC1
180uH
BIAS
C7
10n/500V
D2
S1G
(GF1G)
A1-A
2
3x10k
Led_Tx
+5V
R5
270
*KE
YIN
R7
270
D1
OP
ER
D4
A2
Led_A
1
Led_A
1
SW
1S
TB
Y-O
PE
R
RTTY
SW
2R
TTY D
5TX
+5V
R6
270
Led_O
PE
RD
2R
TTY
JP1
KB
D
1 2 3 4 5 6 7 8 910
11 12
RTTY
Led_A
2A1-A
2
STB
Y-O
PE
R
*KE
YIN
+5V
+5V
+5V
+5V
Led_A
2
Led_O
PE
R
Led_Tx
R4
270
Led_R
TTY
D3
A1
Led_R
TTY
STB
Y-O
PE
R
SW
3A
1-A
2
KEYBOARDSchematic diagram Sht. 1 of 1
p. of 19 5ACOM 101 Technical SupplementAppendix A
1
p. of 110 5 ACOM 101 Technical SuplementAppendix A
1
MAINS&LV POWER SUPPLYSchematic diagram Sht. 1 of 4
T9
T10
T11
T12
T13
T14
(ToHVPCB)
(ToHVPCB)
13.2V
92V
270V
10V
TV1
T1
10V
100V
10V
T5
100V
T7
T2
T3
10V
T4
T6
T8
T15
T18
830V
830V
(T16,T17)
(ToHVPCB)
(ToHVPCB)
K1A
RTE44012
11
14
F1
0.8ASB
R1
22/7W
K1B
RTE44012
21
24
F2
0.8ASB
R2
22/7W
A4
A8
100,110,120V
MainsInput
MainsInput
M2
Voltage
120V
A5
A6
230,240V
100V
200V
210,220V
A7
110V
M1
120,240V
A1
MB
MA
100,200,210V
110,220,230V
A3
A2
JP1
CONTROL
1 2 3 4 5 6 7 8 910
11
12
G1VL
ENAB
+15V
*STST
g2warn
g1warn
+5V
(Sht.2)
(Sht.3)
(Sht.2)
(Sht.2,4)
ipg2
RTTY
(Sht.3)
(Sht.3)
JP2
TUBEDECK
TUBEDECK
+15V
+265V
BIAS
n/c
GND
1 2 3 4 5
(Sht.2)
(Sht.4)
BOTTOMVIEW
BOTTOMVIEW
RTE44012
K1C
RTE44012
A1
A2
+15V
*STST
R3
120
MAINS&LV POWER SUPPLYSchematic diagram Sht. 2 of 4
p. 1 of 11 5ACOM 101 Technical SupplementAppendix A
1
+15V
Heater
13.2V~
T9
T10
F3
5ASB
5ASB
J1
D2
D1-D4
4xS1A(GF1A)
4xS1A(GF1A)
D1
J2
D3
D4
C1
3300uF
25V
In
Out
U1
7805
+5V
C3
100n
C4
10uF
10V
Com
C2
100n
BIAS
(Sht.1)
D6
S1G(GF1G)
S1G(GF1G)
C6
10n/500V
Q1
IRFR210
C7
1n
R10
4.7k/1W
R11
124
1%
g1warn
(Sht.1)
JMP
G1VL
D9.2
BAV99
R15
2.2k
+15V
R14
C9
1uF/16V
D9.1
BAV99
R18
390/1W
+15V
(Sht.1)
ENAB
(Sht.1,4)
R13
4.7k
120
Q2
(FMMTA92)
(BF821)
MMBTA92
TP2
GND
R12
R17
680
R16
1k
Q3
(FMMTA92)
(BF821)
MMBTA92
C8
10n/500V
R9
220k
D7
68V/1W
BZV85C68
TP3
TOPVIEW
TOPVIEW
BAV99
SOT23
TOPVIEW
TOPVIEW
BZX84
SOT23
BZX84C12 R7
39k*
(BZX85C68,1N4760A)
RP1
10k
R8
10k
TOPVIEW
TOPVIEW
FMMTA92
SOT23
D8
12V/0.3W
R6
4.7k/1W
R5
15k/1W
7805
BottomView
BottomView
TOPVIEW
TOPVIEW
IRFR210
(SOT428)
(TO252(D-PAK)
D5
S1G(GF1G)
S1G(GF1G)
R4
390/1W
92V~
T11
T12
C5
22uF/160V
1k
p.1 of 12 5 ACOM 101 Technical SuplementAppendix A
1
MAINS&LV POWER SUPPLYSchematic diagram Sht. 3 of 4
SW_INP
(Sht.4)
R22
68k/2W
R21
68k/2W
D13
270V/3W
BZT03C270
(BZG03C270)
C11
4.7uF
400V
D10
BZX84C12
12V/0.3W
R20
1.2k
R19
6.2k*
g2warn
(Sht.1)
D11
S1M
(GF1M)
S1M
(GF1M)
R29
100k/1W
RTTY:0V
D14
S1M
(GF1M)
S1M
(GF1M)
R32
4.7k
R34
27
SK2A"RTTY"
11
12
14
1 2 3
JP3
HV
PCB
HV
PCB +380V
380RET
HVRET
CW,SSB:+380V
TOP
VIEW
TOP
VIEW
BCX19
GND
ipg2
RTTY
(Sht.1)
BOTTOM
VIEW
BOTTOM
VIEW
RTE24012(F)
Finder:
41.52.9.012.0011
Finder:
41.52.9.012.0011
Schrack(Potter&Brumfield):
Schrack(Potter&Brumfield):
(Sht.1)
TOP
VIEW
TOP
VIEW
BAV99
TOP
VIEW
TOP
VIEW
BZX84
IRF820
Bottom
View
Bottom
View
380RET
-2.2V
@1A
-2.2V
@1A
+15V
K2C
RTE24012F
A1
R25
120
C13
10n
Q4
IRF820
D
+380V
R31
100k/1W
R30
68k/2W
D15
BZX84C12
12V/0.3W
Q5
BCX19
R33
1M/1W
K2B 21
22
24
R28
2.7k*
GC121n
D12
S1M
(GF1M)
S1M
(GF1M)
R26
2.2
5%
2.2
5%
3W
TP1
R27
15k/1W
D17
BZX84C4V7
4.7V/0.3W
D16
BAV99
A2
p. 1 of 13 5ACOM 101 Technical SupplementAppendix A
1
MAINS&LV POWER SUPPLYSchematic diagram Sht. 4 of 4
C15
10n
Q6
IRFR9310PBF
C10
10n
500V
R24
+265V
(Sht.1)
R36
22k
D18
BZX84C12
12V/0.3W
R37
1M
(Sht.1,2)
R39
15k
D19
BZX84C12
12V/0.3W
Q7
BSP324
SW_INP
(Sht.3)
SD
G
47/1W
R23
68k/2W
1.6kV
ENAB
G
R38
10k
SD
C16
10n
BZX84
SOT23
TOPVIEW
TOPVIEW
BSP324
SOT223
TOPVIEW
TOPVIEW
TOPVIEW
TOPVIEW
IRFR9310
TO252
D1
JP1
CON4
1234
D3D2
p.1 of 14 5 ACOM 101 Technical SuplementAppendix A
1
TRUE RESISTANCE INDICATORSchematic diagram Sht. 1 of 1
LedC11LedC10
LedC9
A1
SO239
K2A,B
RTE25012
11,21
12,22
14,24
C12A-C12D
4x10nF/500V
RFC1
120uH
R10
1M/1W
R3
220k*
C4A
5.6pF/1kV
C4B
5.6pF/1kV
A2
SO239
RFC3
22uH
*ORC1
C10
1nRP1
10kcal.fwd
R8
15k
C5
1n
R747k
C6A
56pF
@800W
D1
D311
R1
27.4
1W1%
1W1%
110mA
+8.77Vdc
Ta'
TA1
1:34
85uH
R2
27.4
1W1%
1W1%
C3
10pF*
CT1
6/110pF
bal@10MHz
C6B
56pF
R9
1k
C11
1n
+0.76V@90W
+0.76V@90W
fwdi
+2.26V@800W
+2.26V@800W
K1C
RTE25012
A1
A2
D3
LED
D4
LED
C13
10n
R11
27
1 2 3 4 5 6 7 8 9 10
JP1
CONTROL
*OUTR
rfli
fwdi
GND
*ORCW
aavi
aavd
R1282
C14
10n
C15
10n
R1382
C7
1n
R4
16k
+4.8Vdc@240W
+4.8Vdc@240W
D2
D311
Ta"
K1A,B
RTE25012
11,21
12,22
14,24
P=700W/50-Ohm
U=187Veff
I=3.74Aeff
RX
TX
RFC2
120uH
C2
10n/500V
*ORC1
C8
1nRP2
10kcal.rfl
R5
22k
C16
10n
R1482
K2C
RTE25012
A1
A2
RP3
50k
Cal.aav
R16
47k
*ANT2
+15V
GND
R15
82
C17
10n
+1.52V@90W
+1.52V@90W
R6
1k
rfli
+2.48V@240W
+2.48V@240W
C9
1n
GND
C1
10pF
500V
GNE
BOTTOMVIEW
BOTTOMVIEW
RTE25012
RTE25012(F)
Finder:41.52.9.012.5011
Finder:41.52.9.012.5011
Schrack(Potter&Brumfield):
Schrack(Potter&Brumfield):
p. 1 of 15 5ACOM 101 Technical SupplementAppendix A
1
WATTMETERSchematic diagram Sht. 1 of 1
.
page 1 of 19
Appendix B
ACOM101 Technical Supplement1
Appendix BPCB Layouts
Description page
1. Padding Capacitor 160&80m. . . . . . . . . . . . . . . . . 22. C
. Input Board
. Mains&LV Power Supply 1
. True Resistance Indicator 1
. Wattmeter 1
ontrol. . . . . . . . . . .
5
7 48 69 8
. . . . . . . . . . . . . . . . . . . . . 43. HV . . . . . . . . . . . . . . . . . . . . . . . . . . 6
. HV . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . .
. Keyboard. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1. . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rectifier4 Filter . . . . . . . . . . 8
106 2