Page 1
Page 2
Page 3
Page 4
Page 5
Page 6
Page 7

ACOM101 Technical Supplement
Appendix A
1 p.1of15
Description page
1. Padding Capacitor 160&80m. ............. 2
2. Control . . . 3
3. HV
4. HV Filter...................................7
. Input board ....
58
. Keyboard
69
. Mains&LV Power Supply
710
. True Resistance Indicator
84
. Wattmeter
95
Rectifier
Appendix A
Schematics diagrams
....................
.........................6
..........................
.............................
....................
..................1
...............................1
Page 8

ACOM 101 Technical Supplement
1
Appendix A
p.2of15
CL4.1
S1C.9 (160m)S1C.9 (160m)
S1C.10 (80m)S1C.10 (80m)
CL4.2
CL4.3
CL4.4
CL3
CL4.1 - CL4.4 - 4x130pF/2kV/1.5kVACL4.1 - CL4.4 - 4x130pF/2kV/1.5kVA
Cl3 - 130pF/2kV/2.5kVACl3 - 130pF/2kV/2.5kVA
PADDING CAPACITOR 160&80m
Schematic diagram Sht. 1 of 1
Page 9

ACOM101 Technical Supplement
1p.3of15
Appendix A
Vref
Vref
*PANT
R9
10k
+5V
R8
150k
5
R7
22k
G1W
R4
47k
R2
30,1k
1%
R1
10k
1%
1%
R3
10k
ipg2
R6
C1
47n
R5
47k
1%
10k
JP1
R11
C2
47n
R10
+5V
g1warn
1
2
MAI NS
47k
1%
1k
+5V
7
LM393D
U1B
+
-
6
1n
C4
G2W
C3
47n
1%
R12
402
Led_Tx_a
R14 33k
R14a 2k2
*KEYIN
+15V
5
ipg2
6
G1VL
*ENAB
7
RTTY
8
*STST
9
10
g2warn
3
4
pfwd
+1,5V - 700W
+1,6V - 800W
R17
220k
Q1
BCX19
7
U2B
+
5
6
D2
BZX84C4V7
9
+15V
11
12
LM358D
-
Philips
*RTTY
+15V
1
U3A
16
C6
1uF
10V
R16
2k2
C7
47n
14
+5V
R15
10k
C5
47n
STST
8
2
U3B
15
ULN2003D
rfl
KEYIN
3
1
2
4
U4B
CD74HCT132M
U4C
CD74HCT132M
R19 2k2
6
9
U4A
R18 470k
5
8
3
14
CD74HCT132M
7
10
U3C
+1,5V - 200W
C9
D3
C8
+1,64V - 240W
1n
BAV99
100n
ULN2003D
+15V
R20 1k
JP2
WATTMETER
TUBE DECK
R22a
C10
47n
+5V
R22
ENAB
R21
12
13
11
4
3DU
13
150k
150k
6k8
U4D
R23
fwdi
1
CD74HCT132M
470
rfli
2
8
GND
*ORCW
3
1
LM393D
+
3
R24
*ORC
*OUTR
4
*AAV
U1A
2
10k
aavd
D4
BZX84C4V7
R25
10k
C11
1n
GND
aavd
GND
*INR
5
6
7
8
9
R27
10k
4
-
R26
220k
C12
1n
OUTR
6
U3F
11
ULN2003D
*ANT2
10
paav
R28
+5V
Q2
BCX19
1
C13
47n
LM358D
2AU
8
+
+5V
-
3
2
*INR
12
ULN2003D
3E
U
5
INR
220k
C14
1uF
10V
4
*ANT2
10
ULN2003D
U3G
7
ANT2
CONTROL
Schematic diagram Sht. 1 of 3
Page 10

Appendix A
1
p.4of15ACOM 101 Technical Supplement
JP4
1
C26
100uF
16V
+5V
Q4
BCX17
+5V
R30
10k
+5V
Q3
BCX17
+5V
R29
10k
+5V
R31 1k
R32 1k
RedI1
RedI0
LedC9
CON4
2
3
4
LedC11
LedC10
"PROTECTION"
"PLATE WARNING"
IP
F
D20
D19
D18D17
D16
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
LedC16
LedC15
LedC14
LedC13
LedC12
LedC11
LedC10
LedC9
LedC8
LedC7
LedC6
LedC5
LedC4
LedC3
LedC2
LedC1
D30
D29
(TRI)
D28
D27
D26
D25
D24
D23
D22
D21
LedC15
LedC14
LedC13
LedC
12
LedC11
LedC10
LedC9
LedC8
LedC7
LedC6
LedC5
LedC4
LedC3
LedC2
LedC1
LedC4
LedC5
LedC3
LedC1
LedC2
7
8
10
11
OUT2
OUT3
OUT0
OUT1
XLAT
SCLK
3
4
XLAT
SCLK
LedC9
LedC10
LedC7
LedC6
LedC8
15
16
12
13
OUT4
OUT5
OUT6
OUT7
SIN
SOUT
SOMODE
XDOWN
5
28
30
29
SSDAT
LedC13
LedC12
LedC11
20
17
18
OUT8
OUT9
OUT10
LedC16
LedC14
LedC15
6
9
14
19
24
25
21
26
22
23
OUT11
OUT12
OUT13
PGND
OUT14
OUT15
BLANK
2
31
+5V
27
PGND
PGND
PGND
PGND
PGND
GND
IREF
VCC
U5
TLC5921
1
32
R33
4k7
C15
100n
CONTROL
Schematic diagram Sht. 2 of 3
Page 11

ACOM101 Technical Supplement
1p.5of15
Appendix A
+5V
+5V
G2
G1
JP3
KBD
1
2
3
4
5
6
7
8
9
10
11
12
STBY-OPER
RTTY_kb d
A1-A2
Led_OPER
Led_RTTY
Led_A2
Led_A1
+5V
*KEYIN
Led_Tx_a
4
1
O0E
+5V
ANT2
STST
ENAB
*RTTY
5
6
7
14
Q1
Q2
Q3
Q4
STR
D
CLK
OE
2
3
15
SSDAT
*OL
SCLK
*ORC
*PANT
KEYIN
*AAV
RTTY_kb d
A1-A2
STBY-OPER
11
12
13
14
3
A
B
C
D
SER
SH/LD
CLK
INH
1
2
10
15
SCLK
IN0E
+5V
SSER
U6
4
5
6
E
F
G
H
74165
9
7
QH
QH
VCC
GND
8
16
47n
C22
+5V
"G1 WARNING"
R36 270
16
U10A
1
9
INR
OUTR
13
12
Q5
Q6
D36
8
11
Q7
Q8
"G2 WARNING"
D37
R37 270
15
U10B
2
9
10
QS
QS
VDD
VSS
8
16
C23
+5V
U9
47n
4094
RedI0
4
1
O1E
5
Q1
STR
2
SSDAT
Led_OPER
14
U10C
3
RedI1
6
7
14
Q2
Q3
Q4
D
CLK
OE
3
15
SCLK
*OL
Led_A1
Led_RTTY
13
10D
U
4
13
12
11
9
Q5
Q6
Q7
Q8
16
QS
VDD
+5V
Led_A2
10
11
12
U10G
U10F
U10E
5
U11
4094
10
QS
VSS
8
47n
C25
7
6
Vref
R34 2 k2
150k
R35
10k
RP1
F. S .
5
U7
C18
C21
C20
C19
1uF
27pF
27pF
100n
100n
100n
10V
LM336D
X1
4000kHz
8
+5V
+5V
C17
C16
4
RESET
U8_a
G2W
22
19
28
ADC7
ADC6
PC5( ADC5/ SCL)
PC6(RESET)
(XTAL1/Tosc1)PB6
7
29
+5V
1
27
8
SCK
G1W
ipg2
26
PC4( ADC4/ SDA)
(XTAL2/Tosc2)PB7
MOSI
2
pfwd
rfl
paav
I2C_SCL
25
20
24
23
11
AREF
PC1(ADC1)
PB4(MISO)
16
15
MIS O
RESET
5
(Ain1)PD7
PC0(ADC0)
PB2(SS/OC1B)
PB1(OC1A)
(ICP)PB0
PB3(MOSI/OC2)
14
13
12
MOSI
XLAT
*OLE
SSDAT
6
7
8
PC3(ADC3)
PC2(ADC2)
PB5(SCK)
17
SCK
MIS O
3
4
I2C_SDA
10
JPR
SSER
9
(Ain0)PD6
18
+5V
AVR _P RO G
KEYIN
SCLK
+5V
+5V
O1E
IN0E
O0E
2
1
32
31
30
(T1)PD5
(Txd)PD1
(Rxd)PD0
(INT1)PD3
(INT0)PD2
(XCK/T0)PD4
GND
VCC
GND
VCC
AGND
AVC C
5
6
3
4
21
+5V
+5V
ATmega8-TQFP32
ATMEL
R41
R40
+5V
+5V
+5V
10k
10k
Q5
*OL
BCX19
R42
1k
*OLE
1
C24
47n
E0
U12
VCC
8
R39
2k2
R38
2k2
+5V
4
2
3
E1
E2
VSS
AT24C32
SCL
SDA
MODE
6
7
5
JP5
R43
270
+5V
I2C_SDA
I2C_SCL
POWER
CONTROL
Schematic diagram Sht. 3 of 3
Page 12

Appendix A
1
p.6of15ACOM 101 Technical Supplement
R8
22/10W
S1M
x
16
D1-D16 16 x S1MD1-D16
+HV
BP+
D9
D1
C8
2.2n/6kV
D10
D2
GND
D11
D3
D12
D4
T18
1660V~
T15
D13
D5
D14
D6
D15
D7
BM-
D16
D8
HR
P340
S1M
x
4
04xS1M
D19
D17
D17-D2
D17-D20
R9
150k
2W
R7
C7A
150k
2W
C7B
100uF
100uF
450V
M340
450V
D20
D18
SB
F1
2A SB2A
270V~
T13
T14
HV Rectifier
Schematic diagram Sht. 1 of 1
Page 13

ACOM101 Technical Supplement
1p. of 175
Appendix A
CP+
R1
150k
C1
100uF
2W
450V
R2
150k
C2
2W
100uF
450V
R3
C3
150k
2W
100uF
450V
R4
C4
150k
2W
100uF
450V
R5
150k
C5
2W
100uF
450V
R6
C6
150k
2W
100uF
450V
CM-
HV FILTER
Schematic diagram Sht. of
11
Page 14

p. of 185
ACOM1011 Technical Supplement
Appendix A
L3
300nH*
A
BAS70-04
D1.1
R2
62k
R3
220
C3.2
C3.1
D1.2
C2
C1
56
56
10n
1n
VIEW
BAS70-04
TOP VIEWTOP
Rsw
50/100W
R50
G2
C4
10/500V
G1A
C6
220/500V
L2
240nH*
G1B
C5
47*/500V
L1
65nH*
View
(7203)
Bottom ViewBottom
4CX250B (7203)4CX250B
RFC1
180uH
R7
R8
120
4.7k/1W
1(+)
K1C
TQ2-12V
BIAS
C7
10n/500V
D2
S1G
(GF1G)
10
R1
62k
aavi
JP1
CONTROL
WATTMETER
INPUT BOARD
Schematic diagram Sht.1 of 1
aavi
*INR
1
2
GND
3
+15V
+15V
4
+15V
GND
5
6
R4
BIAS
7
47/1W
n/c
8
9
+265V
10
RX
GNE
2,9
K1A,B
3,8
IN
4,7
GND
120R5
+15V
C8
10n
R6 120
*INR
C9
10n
Page 15

Appendix A
+5V
1
D5
TX
A1-A2
Led_Tx
R7
D4
A2
+5V
D3
A1
+5V
D2
RTTY
+5V
D1
OPER
+5V
270
R6
270
R5
270
R4
270
3x10k
RTTY
STBY-OPER
SW2
SW1
RTTY
STBY-OPER
A1-A2
SW3
p. of 195ACOM 101 Technical Supplement
Led_A1
Led_A2
*KEYIN
Led_OPER
Led_RTTY
+5V
A1-A2
RTTY
STBY-OPER
1
2
3
JP1
KBD
Led_OPER
4
5
6
Led_A1
Led_RTTY
7
Led_Tx
Led_A2
8
9
*KEYIN
10
11
12
KEYBOARD
Schematic diagram Sht. 1 of 1
Page 16

p. of 110 5
ACOM 101 Technical Suplement
1
Appendix A
TV1
T9
T1
T10
13.2V
10V
T2
T11
92V
10V
T3
K1A
RTE44012
1114
T12
100V
F1
R1
A8
T13
270V
T4
0.8ASB
22/7W
T14
PCB)
HV
(To HV PCB)(To
T5
10V
T6
10V
T7
T15
830V
K1B
T18
(T16,T17)
830V
100V
T8
2124
RTE44012
PCB)
HV
(To HV PCB)(To
F2
0.8ASB
R2
22/7W
+15V
A1
K1C
*STST
R3
120
A2
RTE44012
(Sht.4)
(Sht.2)
BIAS
+265V
A5
230,240V
A6
120V
MBMA
100,110,120V
A4
210,220V
110V
200V
A7
100V
M2
Input
Voltage
Mains InputMains
M1
+5V
DECK
JP2
TUBE DECKTUBE
(Sht.3)
i pg2
(Sht.2)
(Sht.3)
g1warn
g2warn
+15V
GND
n/c
1
2
3
(Sht.3)
RTTY
(Sht.2)
(Sht.2,4)
G1VL
ENAB
*STST
4
VIEW
BOTTOM VIEWBOTTOM
5
RTE44012
+15V
110,220,230V
120,240V
A1
A2
100,200,210V
MAINS&LV POWER SUPPLY
Schematic diagram Sht. 1 of 4
A3
JP1
CONTROL
1
2
3
4
5
6
7
8
9
10
11
12
Page 17

Appendix A
1
G1VL
g1warn
(Sht.1)
(Sht.1)
ENAB
p. 1 of 115ACOM 101 Technical Supplement
+15V
(GF1A)
D1-D4
4xS1A (GF1A)4xS1A
J2
Heater
J1
D3
D1
F3
SB
5A SB5A
U1
C1
T9
+5V
Out
7805
In
3300uF
25V
13.2V~
T10
C4
C3
C2
10uF
100n
Com
100n
10V
D4
D2
R10
4.7k/1W
Q1
IRFR210
(GF1G)
D6
S1G (GF1G)S1G
C7
BIAS
(Sht.1)
R11
124
1n
C6
10n/500V
D5
+15V
1%
C8
D8
R5
(GF1G)
S1G (GF1G)S1G
T11
R15
2.2k
D9.2
Q2
MMBTA92
10n/500V
12V/0.3W
BZX84C12
15k/1W
R4
390/1W
JMP
BAV99
R14
120
R13
4.7k
(BF821)
(FMMTA92)
R9
220k
R7
39k*
R6
4.7k/1W
92V~
+15V
D9.1
C9
1uF/16V
1k
R12
TP2
GND
R8
10k
RP1
10k
C5
22uF/160V
R18
390/1W
BAV99
R17
Q3
MMBTA92
T12
(Sht.1,4)
680
R16
1k
(BF821)
(FMMTA92)
TP3
D7
68V/1W
BZV85C68
(BZX85C68,1N4760A)
7805
VIEW
BZX84
SOT23
TOP VIEWTOP
VIEW
BAV99
SOT23
TOP VIEWTOP
VIEW
SOT23
FMMTA92
TOP VIEWTOP
VIEW
IRFR210
TOP VIEWTOP
(SOT428)
(TO252(D-PAK)
View
Bottom ViewBottom
MAINS&LV POWER SUPPLY
Schematic diagram Sht. 2 of 4
Page 18

p.1 of 125
SW_INP
(Sht.4)
R21
68k/2W
R22
68k/2W
D10
BZX84C12
12V/0.3W
(GF1M)
S1M (GF1M)S1M
D14
R34
27
R32
4.7k
C12
D15
BZX84C12
12V/0.3W
Q5
BCX19
1n
R33
1M/1W
ACOM 101 Technical Suplement
1
Appendix A
VIEW
BAV99
TOP VIEWTOP
VIEW
BZX84
TOP VIEWTOP
VIEW
BCX19
TOP VIEWTOP
View
IRF820
Bottom ViewBottom
R20
R19
g2warn
(Sht.1)
1.2k
6.2k*
Q4
IRF820
S
D
+380V
K2A "RTTY"
G
R30
11
14
12
RTTY:0V
CW,SSB:+380V
380RET
+380V
PCB
1
JP3
HV PCBHV
R31
68k/2W
C11
R29
HVRET
2
3
100k/1W
4.7uF
400V
100k/1W
(GF1M)
D11
S1M (GF1M)S1M
D13
BZT03C270
(BZG03C270)
270V/3W
21
K2B
24
22
380RET
(GF1M)
D12
S1M (GF1M)S1M
1A
@
-2.2V @ 1A-2.2V
R28
R27
+15V
2.7k*
15k/1W
K2C
A1
C13
10n
D16
BAV99
R26
TP1
RTE24012F
R25
A2
5%
2.2 5%2.2
120
D17
3W
BZX84C4V7
4.7V/0.3W
GND
41.52.9.012.0011
(Potter&Brumfield):
Finder: 41.52.9.012.0011Finder:
Schrack (Potter&Brumfield):Schrack
RTE24012(F)
VIEW
BOTTOM VIEWBOTTOM
MAINS&LV POWER SUPPLY
Schematic diagram Sht. 3 of 4
RTTY
(Sht.1)
i pg2
(Sht.1)
Page 19

Appendix A
1
ENAB
(Sht.1,2)
+265V
(Sht.1)
R39
15k
R24
47/1W
D19
BZX84C12
12V/0.3W
p. 1 of 135ACOM 101 Technical Supplement
D
Q6
S
IRFR9310PBF
C15
SW_INP
(Sht.3)
C10
G
10n
10n
500V
R36
22k
R23
68k/2W
D18
BZX84C12
12V/0.3W
R37
1M
1.6kV
Q7
BSP324
D
R38
10k
C16
10n
G
S
VIEW
BZX84
SOT23
TOP VIEWTOP
VIEW
BSP324
SOT223
TOP VIEWTOP
VIEW
TO252
IRFR9310
TOP VIEWTOP
MAINS&LV POWER SUPPLY
Schematic diagram Sht. 4 of 4
Page 20

p.1 of 145
ACOM 101 Technical Suplement
1
Appendix A
D1
D3D2
LedC11
LedC10
LedC9
JP1
1
2
3
4
CO N 4
TRUE RESISTANCE INDICATOR
Schematic diagram Sht. 1 of 1
Page 21

Appendix A
1
1
2
3
4
5
6
7
8
9
+15V
aavi
GND
*ANT2
10
RP3
50k
R16
Cal.aav
47k
R15
82
D3
LED
R11
27
JP1
CONTROL
D4
LED
fwdi
rfli
GND
*OUTR
*ORCW
R12 82
aavd
p. 1 of 155ACOM 101 Technical Supplement
A1
SO239
12,22
K2A,B
RTE25012
11,21
C12A-C12D
4x10nF/500V
14,24
C4A
5.6pF/1kV
A2
SO239
C4B
5.6pF/1kV
R10 1M/1W
R3
cal.fwd
RP1
220k*
10k
R7 47k
@800W
+8.77Vdc
D1
D311
RFC3
R8
15k
C10
1n
C6A
C5
22uH
*ORC1
56pF
1n
R1
27.4
1%
1W 1%1W
C13
C6B
10n
R9
1n
C11
56pF
K1C
fwdi
1k
A2
A1
RTE25012
90W
800W
@
@
+0.76V @ 90W+0.76V
+2.26V @ 800W+2.26V
CT1
6/110pF
C7
1n
1%
1W 1%1W
R2
27.4
C14
10n
240W
@
bal@10MHz
+4.8Vdc @ 240W+4.8Vdc
D2
D311
R4
C15
16k
R13 82
10n
cal.rfl
RP2
10k
R14 82
*ORC1
R5
C8
K2C
22k
1n
A2
A1
RTE25012
C16
10n
C2
10n/500V
R6
C17
1k
C9
10n
240W
@
+2.48V @ 240W+2.48V
rfli
1n
90W
@
+1.52V @ 90W+1.52V
(Potter&Brumfield):
41.52.9.012.5011
RTE25012(F)
Schrack (Potter&Brumfield):Schrack
Finder: 41.52.9.012.5011Finder:
VIEW
RFC1
120uH
110mA
Ta'
85uH
C3
TA1
10pF*
.
1:34
Ta"
P=700W/50-Ohm
U=187Veff
I=3.74Aeff
K1A,B
RTE25012
11,21
RFC2
120uH
14,24
12,22
TX
RX
C1
GND
10pF
500V
GNE
BOTTOM VIEWBOTTOM
RTE25012
WATTMETER
Schematic diagram Sht. 1 of 1
Page 22

ACOM101 Technical Supplement1
Appendix B
page1of19
Appendix B
PCB Layouts
Description page
1. Padding Capacitor 160&80m. ................ 2
2. C
ontrol. ..........
3.HV ..........................6
4 Filter ..........8
5
62
74
86
98
Rectifier
.HV ..........................
. Input Board
. Keyboard. ............................1
. Mains&LV Power Supply 1
. True Resistance Indicator 1
. Wattmeter 1
...........................
.............................
..................... 4
10
...................
...................
Page 23

ACOM101 Technical Supplement1
Appendix B
page2of19
PADDING CAPACITOR 160&80m
Component side
Page 24

page3of19
ACOM101 Technical Supplement1
Appendix B
PADDING CAPACITOR 160&80m
Solder side
Page 25

ACOM101 Technical Supplement1
Appendix B
page4of19
C
ONTROL
Component side
Page 26

page5of19
ACOM101 Technical Supplement1
Appendix B
C
ONTROL
Solder side
Page 27

ACOM101 Technical Supplement1
Appendix B
page6of19
HV
RECTIFIER
Component side
Page 28

page7of19
ACOM101 Technical Supplement1
Appendix B
HV
RECTIFIER
Solder side
Page 29

Appendix B
page of 189ACOM101 Technical Supplement1
HV
FILTER
Component side
Page 30

page of 199
ACOM101 Technical Supplement1
Appendix B
HV
FILTER
Solder side
Page 31

ACOM101 Technical Supplement1
Appendix B
page of 110 9
INPUT BOARD
Component side
Page 32

page of 111 9
ACOM101 Technical Supplement1
Appendix B
INPUT BOARD
Solder side
Page 33

ACOM101 Technical Supplement1
Appendix B
Page 1 of 129
KEYBOARD
Component side
Page 34

page 1 of 139
ACOM101 Technical Supplement1
Appendix B
KEYBOARD
Solder side
Page 35

ACOM101 Technical Supplement1
Appendix B
page 1 of 149
MAINS&LV POWER SUPPLY
Component side
Page 36

page 1 of 159
ACOM101 Technical Supplement1
Appendix B
MAINS&LV POWER SUPPLY
Solder side
Page 37

ACOM101 Technical Supplement1
Appendix B
page 1 of 169
TRUE RESISTANCE INDICATOR
Component side
Page 38

page 1 of 179
ACOM101 Technical Supplement1
Appendix B
TRUE RESISTANCE INDICATOR
Solder side
Page 39

ACOM101 Technical Supplement1
Appendix B
page 1 of 189
WATTMETER
Component side
Page 40

page 1 of 199
ACOM101 Technical Supplement1
Appendix B
WATTMETER
Solder side