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Kenwood Manuals
Transceiver
TS-480HX
Service manual
Kenwood TS-480HX Service Manual
Hf/50mhz all mode transceiver
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Also See for TS-480HX
:
Service manual
(158 pages)
,
Instruction manual
(106 pages)
,
Reference manual
(26 pages)
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Contents
Table of Contents
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Table of Contents
Contents
Product View
Disassembly for Repair
How to Remove the Torque Changeover Lever (G02-0898-04)
How to Mount the Torque Changeover Lever (G02-0898-04)
Cautions for Mounting the Main Dial Knob (K21-1105-03)
Circuit Description
Frequency Configuration
Reference Signal Generator
Lo1/Lo2/Car
CAR (Carrier)
LO1 Frequency Shift Data
Receiver Circuit
From Antenna to a Preamplifier (Q153, 154)
CAR Frequency Shift Data
Rf Bpf
From Receiving 1St Mixer to the Second if Frequency (10.695Mhz)
10.695Mhz if Filter Circuit (Filter Section (X57-663 B/2) of the TX-RX Unit
From Antenna to the Second if Frequency (10.695Mhz)
IF Filter Selection
From the Receiver Second if to Detection (TX-RX Unit (X57-663 A/2))
10.695Mhz if Filter Circuit
From the Receiver Second if to Detection
Transmitter Circuit
Signal Path Before/ after the CODEC
From Detection to AF Output
From the MIC Terminal to Modulation Output
Modulation Circuit
Constant Received Audio Recording Function
Other Functions
From the Modulation Circuit to 10.695Mhz
From 10.695Mhz to the Drive Output
FM Mode
FM Mode Modulation Circuit
From the Drive Output to Antenna
100W Transceiver
200W Transceiver
From the Drive Output to Antenna (100W)
Common Functions between 100W and 200W
ALC Circuit and Transmission Power Control
From the Drive Output to Antenna (200W)
From the Drive Output to Antenna (100W and 200W Common Functions)
Digital Control Circuit
Outline
Around the Main Microcomputer
Around the DSP
Components Description
RF Unit (X44-327X-XX)
Final Unit (X45-365X-XX) (A/3)
Final Unit (X45-365X-XX) (B/3)
Final Unit (X45-365X-XX) (C/3)
Final Unit (X57-366X-XX) (A/3)
Final Unit (X45-366X-XX) (B/3)
Final Unit (X45-366X-XX) (C/3)
Display Unit (X54-3410-00)
TX-RX Unit (X57-663X-XX)
TX-RX Unit (X57-663X-XX) (B/2)
Sub Unit (X58-4900-XX)
Semiconductor Data
Main Microcomputer: HD64F2338VFC25 (TX-RX Unit IC204)
Panel Microcomputer: 30622M8A-7N0GP (Display Unit IC3)
Extended I/O Port
RF Unit
Final Unit
TX-RX Unit
Mixer: TC4107F (RF Unit IC251)
Mixer: NJM1496V (TX-RX Unit IC621)
Baffer: HD74LV541AT (TX-RX Unit IC222)
Equivalent Circuit
CODEC: AK4550VT (TX-RX Unit IC217)
D/A: M62353AGP (TX-RX Unit IC681)
Block Diagram
Pin Function
Parts List
Ts-480Hx/480Sat
RF Unit (X44-327X-XX) 0-00: KH,KS 2-71: EH,ES
Final Unit (X45-365X-XX) 0-11: KS 2-71: es
Final Unit (X45-366X-XX) 0-00: KH 2-71: EH
Display Unit (X54-3410-00)
TX-RX Unit (X57-663X-XX) 0-11: KH 0-12: KS 2-71: EH 2-72: es
Sub Unit (X58-4900-XX) -00: KH,EH -01: KS,ES
Exploded View (Main Body Upper Side)
Exploded View (Main Body Lower Side): TS-480SAT
Exploded View (Main Body Lower Side): TS-480HX
Exploded View (Panel)
Packing
Adjustment
Required Test Equipment
Preparation
TX/RX Unit
Remote Control Panel
Service Jig
How to Use the Coaxial Cable and the Flat Cable
How to Use the Data Terminal Short Plug
DATA Connector Pin Assignment
Updating the Firmware
Adjustment Mode
Adjustment Mode Menu (Menu No. 00~78)
Menu No. 77 Checksum Display
Display Check
PLL Section
Receiver Section
Transmitter Section (TS-480HX)
Transmitter Section (TS-480SAT)
Adjustment Points (Upper Side)
Adjustment Points (Lower Side): TS-480HX
Adjustment Points (Lower Side): TS-480SAT
Interconnection Diagram
PC Board
RF Unit (X44-327X-XX) 0-00: KH,KS 2-71: EH,ES Component Side View (J72-0874-19)
RF Unit (X44-327X-XX) 0-00: KH,KS 2-71: EH,ES Foil Side View (J72-0874-19)
RF Unit (X44-327X-XX) Schematic Diagram
100W Final Unit (X45-365X-XX) (A/3) 0-11: KS 2-71: es Component Side View (J72-0875-09)
100W Final Unit (X45-365X-XX) (A/3) 0-11: KS 2-71: es Foil Side View (J72-0875-09)
Final Unit (X45-365X-XX) (A/3) [AT] Schematic Diagram
Final Unit (X45-365X-XX) (A/3) Schematic Diagram
Final Unit (Filter) (X45-365X-XX) (B/3) [AT] 0-11: TS-480SAT(K) 2-71: TS-480SAT(E) Schematic Diagram
100W Final Unit (X45-365X-XX) (B/3) 0-11: KS 2-71: es Component Side View (J72-0875-09)
100W Final Unit (X45-365X-XX) (B/3) 0-11: KS 2-71: es Foil Side View (J72-0875-09)
100W Final Unit (X45-365X-XX) (C/3) 0-11: KS 2-71: es Component Side View (J72-0875-09)
Final Unit (ANT)(X45-365X-XX)(C/3)[AT] 0-11: TS-480SAT(K) 2-71: TS-480SAT(E) Schematic Diagram
200W Final Unit (X45-366X-XX) (A/3) 0-00: KH 2-71: EH Component Side View (J72-0876-09)
200W Final Unit (X45-366X-XX) (A/3) 0-00: KH 2-71: EH Foil Side View (J72-0876-09)
Final Unit (X45-366X-XX)(A/3)[200W] 0-00: TS-480HX(K) 2-71: TS-480HX(E) Schematic Diagram
Final Unit (X45-366X-XX) (A/3) Schematic Diagram
Final Unit (Filter) (X45-366X-XX)(B/3) [200W] 0-00: TS-480HX(K) 2-71: TS-480HX(E) Schematic Diagram
200W Final Unit (X45-366X-XX) (B/3) 0-00: KH 2-71: EH Component Side View (J72-0876-09)
200W Final Unit (X45-366X-XX) (B/3) 0-00: KH 2-71: EH Foil Side View (J72-0876-09)
200W Final Unit (X45-366X-XX) (C/3) 0-00: KH 2-71: EH Component Side View (J72-0876-09)
Final Unit (ANT)(X45-366X-XX)(C/3)[200W] 0-00: TS-480HX(K) 2-71: TS-480HX(E) Schematic Diagram
Display Unit (X54-3410-00) (A/3, B/3, C/3) Component Side View (J72-0877-09)
Display Unit (X54-3410-00) (A/3, B/3, C/3) Foil Side View (J72-0877-09)
Display Unit (X54-3410-00) (A/3) Schematic Diagram
TX-RX Unit (X57-663X-XX) (A/2, B/2) 0-11: KH 0-12: KS 2-71: EH 2-72: es Component Side View (J72-0878-19)
TX-RX Unit (X57-663X-XX) (A/2, B/2) 0-11: KH 0-12: KS 2-71: EH 2-72: es Foil Side View (J72-0878-19)
TX-RX Unit (X57-663X-XX)(A/2) Schematic Diagram
TX-RX Unit (RCXO & BPF) (X57-663X-XX)(B/2) 0-11: TS-480HX(K) 0-12: TS-480SAT(K) 2-71: TS-480HX(E) 2-72: TS-480SAT(E) Schematic Diagram
Sub Unit (X58-4900-XX) -00: KH,EH -01: KS,ES Component Side View (J72-0888-09)
Terminal Function
RF Unit (X44-327)
Final Unit (X45-365 A/3 & X45-366 A/3)
Final (Filter) Unit (X45-365 B/3 & X45-366 B/3)
Final (ANT) Unit (X45-365 C/3 & X45-366 C/3)
Display Unit (X54-341 A/3)
Display (AF/SQL VR) Unit (X54-341 B/3)
Display (Multi/If Shift VR) Unit (X54-341 C/3)
TX-RX Unit (X57-663 A/2)
TX-RX (OP Filter/Tcxo) Unit (X57-663 B/2)
Sub Unit (X58-490)
Block Diagram
Level Diagram (RX Section)
Level Diagram (TX Section)
Accessories
Specifications
General
Transmitter
Receiver
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See also:
Service Manual
,
Reference Manual
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