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Manuals
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Kenwood Manuals
Transceiver
Trio SP-520
Service manual
Kenwood Trio SP-520 Service Manual
Ssb transceiver
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Contents
Table of Contents
Bookmarks
Table of Contents
Contents
External View
TS-520 Front Panel Parts
TS-520 Rear Panel Parts
TS-520 Side Controls
Parts Alignment
TS-520 Top View Parts
TS-520 Bottom View Parts
Trouble-Shooting
Receiver Section
Transmitter Section
Maintenance and Alignment
Other Circuits
General Information
Replacing the Relays
Replacing the Electrolytic Power Supply Capacitors
Disassembly of the Coil Pack
Replacing the VOX Relay
Replacing C31 and C32
Removing the VFO Section
Removing the Front Panel
VFO Assembly Chassis Screws
VFO Assembly
Changing the Pilot Lights
Replacing the Meter
Changing the Paddle Switches
Level Diagrams
Service Information
AVR Adjustment
Band Pass Filter Adjustment
Receiver Section Level Diagram
B.P.F. Wave Detector
Band Pass Filter Test Circuit
Carrier Board Adjustment
Coil Pack Alignment
WWV Circuit Alignment
IF Transformer Adjustment
Trap Coil Adjustment
Carrier Balance
S-Meter Adjustment
Rit Adjustment
VFO Adjustment
Bias Adjustment
Generator Board if Transformer Adjustment
RF Meter Adjustment
Sidetone Output Adjustment
Parts List of TS-520 (Y54-1110-00)
Parts List of Driver Coil Pack (X40-0017-01)
Parts List of OSC Coil Unit (X40-0019-00)
Parts List of MIX Coil Unit (X40-0018-01)
Parts List of VFO Unit (X40-1070-00)
Parts List of Fixed-Channel AVR Unit (X43-1100-00)
Parts List of Rectifier Unit (X43-1090-00)
Parts List of HV Unit (X43-1110-00)
Parts List of RF Unit (X44-1080-00)
Parts List of ANT Coil Unit (X44-1090-00)
Parts List of DC-DC Converter Unit (X46-1000-00)
Parts List of if Unit (X48-1060-00)
Parts List AF Unit (X49-0008-01)
Parts List of Carrier Unit (X50-009-01)
Parts List of Marker Unit (X52-0005-01)
Parts Lists of Generator Unit (X52-0010-01)
Parts Lists of VOX Unit (X54-0001-00)
Parts Lists of NB Unit (X54-1080-10)
Parts Lists of Fan Unit (X54-1100-01)
Parts Lists of Indicator Unit (X54-1120-00)
PC Board
AF Board (X49-0008-01) Diagram
Antenna Coil Board (X44-1090-00) Diagram
Carrier Board (X50-0009-01) Diagram
Driver Coil Board (X40-0017-01) Diagram
Fixed Channel-AVR Board (X43-1100-00) Diagram
Generator Board (X52-0010-01) Diagram
HV Board (X43-1110-00) Diagram
IF Board (X48-1060-00) Diagram
Marker Board (X52-0005-01) Diagram
Mixer Coil Board (X40-0018-01) Diagram
NB Board (X54-1080-10) Board
Oscillator Coil Board (X40-0019-01) Diagram
RF Board (X44-1080-00) Diagram
Rectifier Board (X43-1090-00) Diagram
VOX Board (X54-0001-00) Diagram
Vf-520
Top View Parts
Specification
Parts Lists of VFO-520 (Y57-1020-00)
Parts List of Indicator Unit (X54-1120-01)
VFO-520 Schematic Diagram
SP-520 External View
SP-520 Parts List (Y59-1000-00)
SP-520 Specification
Schematic Diagram (RF Unit)
Schematic Diagram (TS-520)
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Ts-520 Front Panel Parts
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Vfo-520 Schematic Diagram
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Operating Manual
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