VHF FM TRANSCEIVER
TK-280
SERVICE MANUAL
REVISED
Knob (PTT etc)
(K29-5157-03)
Photo is K3 type with KRA-14
GENERAL ................................................................................. 2
Helical antenna
(T90-0679-05):M
SYSTEM SET-UP ..................................................................... 2
Knob (ENC)
(K29-5232-03)
REALIGNMENT ...................................................................... 11
Knob (VOL)
(K29-5231-03)
PARTS LIST ............................................................................ 28
EXPLODED VIEW .................................................................. 34
Panel assy
(A62-0535-04)
PACKING ................................................................................ 35
Badge
ADJUSTMENT ........................................................................ 36
(B43-1106-14)
Cabinet assy
(A02-2054-53)
:K,K2,M (4 keys)
(A02-2055-53)
SCHEMATIC DIAGRAM ......................................................... 57
:K3,K4 (16 keys)
BLOCK DIAGRAM .................................................................. 61
LEVEL DIAGRAM ................................................................... 63
OPTINONS ............................................................................. 64
SPECIFICATIONS ............................................... BACK COVER
Packing
(G53-0840-02):K,K2,M (4 keys)
(G53-0841-02):K3,K4 (16 keys)
©
1999-4 PRINTED IN JAPAN
B51-8454-10(S) 1217
This service manual is same at the TK-280(B51-8454-00)
service manual with destination K, K3 and M with the
exception of new destination, K2 and K4.
CONTENTS
CAUTION
When using an external power connector,
please use with maximum final module
protection of 9V.