EFJohnson 989X SERIES Two-Way Radio User Manual


 
February 2001
Part No. 001-9800-001
6-25
J602
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
56k
CR600
E
P
C611
68
W602
C604
68
C603
.01uF
R601
10k
Current Sense
Temperature
T/R
Forward Power
UNSW BAT
FINAL AMP
J600
ANTENNA SWITCH
Q602
3658
J603
+
P001
R610
100
R609
100
R608
220k
CR603
C652
30
L606
C643
2.7
C655
3.0
C651
2.2
C650
22
R606
68k
C614
100
C625
2.7
C620
2.7
L603
C622
3.3
C623
3.3
C624
3.3
L604
C618
4.3
C626
4.3
C619
4.3
C628
3.0
C629
3.0
C630
1.5
L602
C644
6.8
C641
33
C631
33
L608
R612
100
EP603
C633
43
C645
39
Q600
4402
C632
27
C642
27
C646
27
C627
27
C616
24
DIRECTIONAL
COUPLER
RX RF OUT
E
P
L607
EP602
R613
470
Q601
4402
C615
47
C638
47
C609
.01uF
C610
100
E
P
EP600
C606
100
+
C605
6.8uF
C617
47
L601
C612
.01uF
C613
100
E
P
EP601
C608
100
+
C607
6.8uF
L600
R600
.03
C637
15
C634
2.7
C635
2.7
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
Tx RF From
C524 on
RF Board
To J501 On
RF Board
Rx RF To Receiver
C658
4.7
PA BOARD SCHEMATIC (40W, 470-512 MHZ)