20
TK-3130/3131
ADJUSTMENT
Adjustment Points
Jigs
Use jigs for repair or adjustment.
■
Extension cable (E30-3480-08)
Connecting Jigs
Connect the extension cable as shown in the illustration
below.
Solder the ANT cable to the ANT terminal on the TX-RX
unit (B/2).
VR1 : Transmit frequency
VR2 : Power (1 W)
TC1 : VCO lock voltage (TX 2.5V or less)
L36 : AF level (Adjust to the MAX)
LV : VCO lock voltage terminal
S200
PTT SW
VR202
POWER/VOL
J200
EXT. SP/MIC
VR200
VR201
TX-RX UNIT (X57-6460-XX) (A/2)
Component side
VR1
TC1
LV
VR2
L36
–
ANT
TX-RX UNIT
(X57-6460-XX) (B/2)
Component side
+
VR200 : DQT/QT balance
VR201 : MAX deviation
+,– : External power supply terminal (Fasten it with an alligator clip.)
Cut
CN202
CN1
TX-RX unit
(A/2)
TX-RX unit
(B/2)
Extension cable
(E30-3480-08)
TX-RX unit (A/2)
TX-RX unit (B/2)
ANT
terminal
ANT cable
Do not solder on this part.
GND
■
ANT cable (E30-3418-05)
Modify the cable as shown below.
