Acom 2000P Operating Manual page 44

PLATE
CAPACITIVE DIVIDER
BNC
L3
C1
V1
22p
4CX800A
(rear)
RF
INPUT
THRU
SO 239
A
PHASE
1
DETECTOR D
IN
F
L1
JP1 JP2 g2m G
2, 4, 6
235nH
3
C2
C3
18p
39p
R2
12
10W
R1
50 Ohm
L2
100W RF
195nH
AIRFLOW
SENSOR
JP1:1
TUBE DECK
HTR-R
Frequency counter
C22
100μF/35V
+
- +
M
=
SW1
POWER ON
measure,
M1 EXT. DC FAN
conrol
(OPTIONAL)
JP2 SW
COVER INTERLOCK1
4 1
1
2
ON/OFF
3
4
5 2
100V 120V
1 1
4
2 2
5 7 5
8 10 12 8 10 12
200V 220V
1 1
2 4 2
5 7 5
AC LINE CORD
100-120VAC 8 10 12 8 10 12
F1
200-240VAC
20A
MAINS 1
BLUE
YELLOW + GREEN
RFC1 F2
20A
BROWN
MAINS 2
MAINS CONTROL
& VOLTAGE SELECTOR
JP1
REMOTE
CONTROL
REMOTE
CONTROL
UNIT
SIGNAL
JP2
FILTER
RS 232
( ANTENNA SELECTOR OR PC )
INTERFACE
alc level
J2
J1 J3
KEY IN KEY OUT ALC
RCA RCA RCA
*CG - PART OF
R3
TUBE SOCKETS
2x220
R6
3W
2x220/3W
L4
RFC2
PLATE CHOKE
CG*
CG*
V2
10n 10n
4CX800A
C8.1
RV1
(front)
2.2n/6kV
390V
V275
LA40A
5 5
1
R4
2, 4, 6
7 3 7 C8.2
150k/2W
R7
2.2n/6kV
47/2W
R5
12
C4 C5 C4-C7 10W C6 C7 C9.1
100n 2.2n/6kV
63V
C9.2
2.2n/6kV
JP2:3
JP2:4 JP1:2 JP1:3 JP1:4 JP2:1
htrvmi ~13.5V ~13.5V HTR-F 340VR +340V
T1
POWER
JP7
TRANSFORMER
J1
P1
20V
JP1
1850V
JP1
1 1
100V
2 2
3 3
4 4
310V JP2
20V
SUPPLY
5 5
100V
20V
6 6
4 20V JP3
7 M2
INT. BLOWER
T2
LV TRANSFORMER
240V
M
1
=
4 2 4
56V JP2
7 5 7
8 10 12
20V
56V
JP2
JP3
100V
6
5 18V
4
3
20V 10.5V JP1
2
1
100V
14.5V
JP1
13.5V JP5
+18VEXT
-18VEXT
Rem. Contr.
JP3
CENTRAL
PROCESSOR
UNIT
RS 232
JP4
QSK PROCESSOR
S1D S1B, C
C10
PLATE-section
PI-section
1.5n/5kV
3 MHz pos. 3 MHz pos.
C12A
C11
PI-COILS
8/62pF
2.2n/6kV
L5.1 L5.2
3 12 - MHz 3 -30MHz
R8 M5
BANDSW.
3M
3 4 5 3
4 5
2 6 2 6
1 1
7 7
12 8 12 8
11 10 9 11 10 9
RFC3
C14
C12B
28/780pF
12/200p
C15
200pF/2kV
SW2
LID
CROWBAR
M3 M4
TUNE CAPACITOR LOAD CAPACITOR
+2 60 0V
meas., contr.
+18V
JP5 HV
HV+ HV+
HV- HV-
GND
HV
FILTER
HV
+24VST +24VST
JP4
JP4
JP6
HEATERS
LOW VOLTAGE
+18V
SUPPLY
meas., contr.
JP3
+12V, -12V
JP4
-132V, +10V, +24V, +48V
Freq.
JP4 JP3 JP2
JP5
JP5
POWER SUPPLY MOTORS
MEASURE & CONTROL
JP1
SENSORS
CONTROL
JP2 JP6
INTERFACE
MEASURE
JP1 JP7
ANTENNA
RELAY
S1A
K1
L-section HC-1 (П1Д-1В)
3 MHz pos.
com
nc
TA1
L-COIL
no
L6
42t
3 -30MHz
3 4 5
RFC4
2 6
1
7
TC2
1.5n
12 8 K1 TA1 TA2 TC1
TC2
11 10 9
RF
WATTMETER
C17
10n
C16
1 00pF/2kV
RF SECTION
EXHAUST
AIR FLOW
TEMPERATURE
SENSORS
M3 TUNE CAPACITOR
M
OPTO
SENSOR
JP1
JP1A
M4 LOAD CAPACITOR
M
MOTOR DRIVER
OPTO
SENSOR
JP2
JP2A
M5 BAND SWITCH
M
OPTO
SENSOR
JP3
JP3A
JP5
SW3
COVER
INTERLOCK2
3MHz position
S1A S1B
front view rear view front view
7 7
6 6 6
8 8
5 5 5
9 9
4 4 4
3 10 3 10 3
11 11
2 2 2
12 12
1 1 1
Fig. 6-1. ACOM2000 Simplified Schematic Diagram P
RX
TX
RX & TX
C20.1-C20.8 RF
8x10n/500V OUTPUT
SO239
R9
1M/1W
C18
RFC5
FV1
2.7p C19
8p
2kV
2kV
TC1
100p
"ON"
D1
LED
JP2
JP1
HV TRANSFORMER
pins view
6 5 4
3 2 1
Key
MAINS CONSOLE
sockets view
4 5 6
3
1 2
Key
GU 74B (4CX800A)
BOTTOM VIEW
5
6
4
G2
K K
3 H H 7
K
G1
2
1
S1C S1D
front view
7 7
6
8 8
5
9 9
4
10 3 10
11 11
2
12 12
1