Tx-Rx Unit (X57-6460-Xx) (B/2); Tx-Rx Unit (X57-6460-Xx) (A/2) - Kenwood TK-3130 Service Manual

Jigs
Use jigs for repair or adjustment.
Extension cable (E30-3480-08)
ANT cable (E30-3418-05)
Modify the cable as shown below.
Adjustment Points
LV
TC1
VR1
VR2
L36
TX-RX UNIT
(X57-6460-XX) (B/2)
Component side
ANT
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
ADJUSTMENT
Cut
Do not solder on this part.
–

TX-RX UNIT (X57-6460-XX) (A/2)

Component side
+
VR200 : DQT/QT balance
VR201 : MAX deviation
+,– : External power supply terminal (Fasten it with an alligator clip.)
TK-3130/3131
Connecting Jigs
Connect the extension cable as shown in the illustration
below.
CN202
Extension cable
(E30-3480-08)
TX-RX unit
(A/2)
Solder the ANT cable to the ANT terminal on the TX-RX
unit (B/2).
TX-RX unit (A/2)
GND
ANT
terminal
PTT SW
VR201
VR200
EXT. SP/MIC
CN1
TX-RX unit
(B/2)
TX-RX unit (B/2)
ANT cable
S200
VR202
POWER/VOL
J200
20