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Antenna
(KRA-15 : Option)
Cabinet assy
(A02-2140-63)
Knob assy (SEL)
(K29-5282-04)
Knob assy (VOL)
(K29-5283-04)
Panel assy
(A62-0537-53)
Knob assy
(Side key)
(K29-5441-04)
Key top (10key)
(K29-5193-23)
© 2001-3 PRINTED IN JAPAN
B51-8424-20 (N) 1023
UHF FM TRANSCEIVER
TK-390
SERVICE MANUAL
Photo is TK-390 K4 type.
Does not come with antenna.
Antenna is available as an option.
CONTENTS
GENERAL ................................................................. 2
SYSTEM SET-UP ..................................................... 2
OPERATING FEATURES ......................................... 3
REALIGNMENT ...................................................... 11
CIRCUIT DESCRIPTION ......................................... 17
SEMICONDUCTOR DATA ..................................... 25
DESCRIPTION OF COMPONENTS ....................... 26
PARTS LIST ............................................................ 28
EXPLODED VIEW .................................................. 36
PACKING ................................................................ 37
DISASSEMBLY FOR REPAIR ................................ 38
ADJUSTMENT ....................................................... 39
PC BOARD VIEWS
FINAL UNIT (X45-3590-10) ............................... 50
CONTROL UNIT (X53-3930-XX) ....................... 51
TX-RX UNIT (X57-5400-XX) ............................. 55
SCHEMATIC DIAGRAM ........................................ 61
BLOCK DIAGRAM .................................................. 67
LEVEL DIAGRAM ................................................... 69
TERMINAL FUNCTION ......................................... 70
KNB-17A (Ni-Cd BATTERY) .................................. 71
KMC-25/26 (SPEAKER MICROPHONE) ............... 72
KSC-19 (CHARGER) ............................................... 73
KSC-20 (RAPID CHARGER) ................................... 73
KPG-36 (PROGRAMMING INTERFACE CABLE) ..... 73
KRA-15 (ANTENNA) .............................................. 73
SPECIFICATIONS ............................... BACK COVER
CAUTION
When using an external power connector,
please use with maximum final module protec-
tion of 10V
REVISED II