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VHF FM TRANSCEIVER
TK-260G/270G
© 1999-9 PRINTED IN JAPAN
B51-8493-00(S) 1425
SERVICE MANUAL
GENERAL ...................................................................... 2
SYSTEM SET-UP .......................................................... 2
OPERATING FEATURES..............................................3
REALIGNMENT .............................................................8
DISASSEMBLY FOR REPAIR.....................................16
CIRCUIT DESCRIPTION .............................................17
SEMICONDUCTOR DATA ..........................................21
DESCRIPTION OF COMPONENTS............................23
PARTS LIST.................................................................24
EXPLODED VIEW .......................................................30
CONTENTS
Key top (DTMF)
(K29-5330-02)
TK-260G
TK-270G
PACKING .....................................................................32
ADJUSTMENT .............................................................33
PC BOARD VIEWS
DISPLAY UNIT (X54-3250-10)...............................41
TX-RX UNIT (X57-587X-XX) ..................................43
SCHEMATIC DIAGRAM ..............................................49
BLOCK DIAGRAM .......................................................57
LEVEL DIAGRAM ........................................................59
KNB-14/KNB-15A (Ni-Cd BATTERY) .......................... 60
OPTIONS .....................................................................61
SPECIFICATIONS ................................... BACK COVER
Knob (CHANNEL SELECTOR)
(K29-5341-03)
Knob (VOL)
(K29-5332-03)
Cabinet assy
(A02-2391-23)
Knob (PTT)
(K29-5334-13)
Antenna
(T90-0679-05):M
Knob (ENC)
(K29-5331-03)
Knob (VOL)
(K29-5332-03)
Cabinet assy
(A02-2385-23)
Knob (PTT)
(K29-5334-13)
M market models are shown.
Knob (MONI)
(K29-5333-13)
Knob (MONI)
(K29-5333-13)