© 2006-7 PRINTED IN JAPAN
B51-8766-00 (N) 172
VHF FM TRANSCEIVER
TK-290-11B
SUPPLEMENT
SERVICE MANUAL
This product uses Lead Free solder.
CONTENTS
GENERAL .................................................................. 2
SYSTEM SET-UP ...................................................... 2
CIRCUIT DESCRIPTION ............................................ 3
PARTS LIST ............................................................... 4
EXPLODED VIEW .................................................... 12
ADJUSTMENT ........................................................ 13
PC BOARD VIEWS
FINAL UNIT (X45-3592-71) ................................ 23
CONTROL UNIT (X53-3932-71) ......................... 24
TX-RX UNIT (X57-6132-70) ................................ 28
SCHEMATIC DIAGRAM .......................................... 32
BLOCK DIAGRAM ................................................... 40
LEVEL DIAGRAM .................................................... 42
TECHNICAL DATA .................................................. 43
This product complies with the
RoHS
directive for the European market.
Helical antenna
(T90-0680-15)
Knob assy (Side key)
(K29-5423-24)
Panel assy
(A62-1100-03)
Knob assy (VOL)
(K29-5283-14)
Knob assy (SEL)
(K29-5282-14)
Plastic cabinet assy
(A02-3865-23)
This service manual (B51-8766-00) applies to products
with 80200001 or subsequent serial numbers.
Refer to the TK-290-11B service manual (B51-8520-00) for
any information which has not been covered in this
manual.
CAUTION
When using an external power connector, please
use with maximum final module protection of
10V.