EFJohnson 984X SERIES Two-Way Radio User Manual


 
February 2001
Part No. 001-9800-001
6-18
R604
100
R611
4.7k
C640
47
C649
68
C648
100
CR602
R605
330
L605
C601
470
C600
.01uF
3
4
6
5
8
1
2
7
Unsw Bat
Out
C602
68
C653
68
HARMONIC FILTER
R603
220k
Antenna
Jack
J601
R607
75k
CR600
E
P
C611
68
W602
C604
68
C603
.01uF
R601
10k
Current Sense
Temperature
T/R
Forward Power
C657
15
UNSW BAT
FINAL AMP
J600
ANTENNA SWITCH
Q602
3658
J603
+
P001
R610
100
R609
100
R608
220k
CR603
C652
30
R606
100k
C614
100
C625
2.7
C620
2.7
C621
2.7
L603
C622
5.1
C623
4.7
C624
4.7
L604
C618
5.6
C626
5.6
C619
5.1
C628
3.9
C629
3.9
C630
2.2
L602
C644
12
C647
12
C641
33
C631
33
L608
R612
330
EP603
C633
47
C645
47
Q600
4402
C632
56
C642
56
C646
43
C627
27
C616
24
DIRECTIONAL
COUPLER
RX RF OUT
E
P
L607
7T
EP602
R613
100
Q601
4402
C615
56
C638
56
C609
.01uF
C610
100
E
P
EP600
C606
100
+
C605
6.8uF
C617
47
C612
.01uF
C613
100
E
P
EP601
C608
100
+
C607
6.8uF
L600
R600
.03
C637
18
C634
2.2
C635
3.3
C636
3.3
Power
Jack
CURRENT SENSE
UNSW BAT
R602
220k
CR601
DRIVER
.4 TX
13.6 RX
.7 TX
0 RX
SUPPLY V MINUS .24V
3A AT 40W
Rx RF To Receiver
Tx RF From
C524 On RF
Board
To J501 On
RF Board
J602
L606
C643
3.9
C655
3.3
C651
2.2
C650
22
C1
0.01
R2
33
R1
33
A533
Stabilization Board
L601
R614
330
R615
330
R616
330
PA BOARD SCHEMATIC (40W, 430-470 MHZ)