SERVICE MANUAL
This product complies with the
RoHS
directive for the European market.
This product uses Lead Free solder.
© 2011-12 PRINTED IN JA PAN
B53-7001-00
(
Y
)
63
TM-481A
430MHz FM TRANSCEIVER
Key top
(K29-9497-01)
Modular jack (MIC)
(E58-0535-05)
Panel assy
(A62-1189-03)
Knob (VOL)
(K29-9498-03)
Knob (ENC)
(K29-9499-03)
4
DISASSEMBLY FOR REPAIR .....................2
CIRCUIT DESCRIPTION .............................5
COMPONENTS DESCRIPTION ..................9
SEMICONDUCTOR DATA .........................11
PARTS LIST ...............................................12
EXPLODED VIEW ......................................18
PACKING ...................................................19
ADJUSTMENT ...........................................20
TERMINAL FUNCTION .............................29
PC BOARD
TX-RX UNIT (X57-8130-24) ....................30
SCHEMATIC DIAGRAM ............................36
BLOCK DIAGRAM .....................................40
LEVEL DIAGRAM ......................................42
SPECIFICATIONS ..................BACK COVER
CONTENTS
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