• THE LOCATION OF PRESET POINT ON THE MAIN UNIT
• THE LOCATION OF ADJUST POINT ON THE PA-B UNIT
4-3 ADJUSTMENT ON THE MAIN UNIT
ADJUSTMENT ITEM
TRANSCEIVER'S
CONDITION
OPERATION
MEASURE
POINT
ADJUST
POINT
VALUE
PRESET
• Receiving
–
–
L3652
Screw the core
all the way
inside the coil.
ADJUSTMENT ITEM
TRANSCEIVER'S
CONDITION
OPERATION
MEASURE
POINT
ADJUST
POINT
VALUE
TX ADJUSTMENT
(TX power)
1 • Frequency: 430.000 MHz
(MAIN BAND)
• Mode: CW
• Transmitting
NOTE:
This adjustment must
be performed within
a minute.
• Set the slot of C403 to the preset
position as illustrated below.
–
C403
(as illustrated
below)
2
1) Connect an SSG to J101, and then
set it as
Frequency : 440.000 MHz
Level
†
:
+112 dBµ (+5.0 dBm)
Modulation
:
None
2) Connect a power meter to [430MHz
ANT].
[430MHz
ANT]
C403
(Rotate
clockwise
less than one
full turn.)
More than 90 W
†
; The output level of the standard signal generator (SSG) is indicated as the SSG’s terminated circuit.
4-4 ADJUSTMENT ON THE PA-B UNIT
4 - 5
Adjust by rotating the slot clockwise.
(Do not rotate the slot more than one full turn.)
Slot preset position
C354
C371
C403
C404
C405
C436
C437
C561
C581
C582
C593
C594
C916
C934
D916
D917
D918
1
EP442
EP916
EP918
IC551
IC552
IC931
L401
L402
L822
Q20
Q351
R351
R352
R373
R551
R552
R553
R554
R555
R556
R557
R559
R573
R574
R575
R576
R577
R578
R579
R580
R581
R582
R583
R584
R585
R586
R587
R588
R589
R590
R591
R592
J901
15
TO RF-B
Preset point
C3653
C3654
C3656
C3657
C3681
C3682
C3683
C3685
C3691
C3692
C3693
C3694
D3671
D3681
D3691
J3201
J32
J32
J3204
J3204
L3652
L3671
L3681
L3682
L3691
L3692
Q3651
R3309
R3653
R3654
R3655
R3656
R3658
R3682
R3692
TO R
TO RF-B J101
J501
VURIF
O