© 2003-11 PRINTED IN JAPAN
B51-8667-00
(
N
)
694
HF / 50MHz ALL MODE TRANSCEIVER
TS-480HX/480SAT
SERVICE MANUAL
DISASSEMBLY FOR REPAIR .................................. 2
CIRCUIT DESCRIPTION ........................................... 3
COMPONENTS DESCRIPTION ............................. 14
SEMICONDUCTOR DATA ..................................... 20
PARTS LIST ............................................................ 27
EXPLODED VIEW................................................... 50
PACKING ................................................................ 54
ADJUSTMENT ....................................................... 55
INTERCONNECTION DIAGRAM ........................... 76
PC BOARD / SCHEMATIC DIAGRAM
RF UNIT (X44-327X-XX) .................................... 78
FINAL UNIT (X45-365X-XX) (A/3)..................... 86
FINAL UNIT (X45-365X-XX) (B/3) ..................... 93
FINAL UNIT (X45-365X-XX) (C/3) ..................... 96
FINAL UNIT (X45-366X-XX) (A/3)..................... 98
FINAL UNIT (X45-366X-XX) (B/3) ................... 105
FINAL UNIT (X45-366X-XX) (C/3) ................... 108
DISPLAY UNIT (X54-3410-00) (A/3, B/3, C/3)
....... 110
TX-RX UNIT (X57-663X-XX) (A/2, B/2) .......... 116
SUB UNIT (X58-4900-XX)................................ 128
TERMINAL FUNCTION ........................................ 129
BLOCK DIAGRAM ................................................ 134
LEVEL DIAGRAM ................................................. 136
ACCESSORIES ..................................................... 140
SPECIFICATIONS ................................................. 141
Knob
(K29-9270-03)
Knob (Main dial)
(K21-1105-03)
Knob ring
(K29-9264-04)
Knob
(K29-9266-03)
Knob
(K29-9267-03)
Cabinet (Lower)
(A01-2190-02)
Knob
(K29-9265-03)
Knob
(K29-9267-03)
Panel assy
(A62-1076-03)
Key top
(K29-9263-02)
Stand
(J09-0409-03)
Microphone
(T91-0638-05)
Cabinet (Upper)
(A01-2189-02)
Panel
(A62-1079-01)
Foot
(J02-0441-05) x 4
CONTENTS
To Next Page
Need help?
General
