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Alinco DR-610T Service Manual

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Instruction manual (75 pages)

Service manual (89 pages)

Table Of Contents

Table of Contents

Contents
Specifications
Circuit Description
Receiver System
Receiver Signal Circuit
144M Band Receiver Circuit
430M Band Receiver Circuit
144M Band Sub Receiver Circuit
430M Band Sub Receiver Circuit
Signal Meter Circuit
Squelch Circuit
RF Attenuator Circuit
AGC Circuit
Power Supply Circuit
VHF Power Supply Switch Circuit and Unlock Circuit
UHF Power Supply Switch Circuit and Unlock Circuit
Audio Circuit
AF Signal Circuit
Front CPU
AF Mute Circuit
Electronic Volume Circuit
Speaker Output Switching Circuit
Transmitter System
Modulator Circuit VHF/UHF
Drive/Pa Amplifier Circuit
APC Circuit
PLL Synthesizer Circuit
430Mhz PLL-VCO Block Diagram
Front CPU and Peripheral Circuit
V/U-VCO Circuit
V/U Sub U-VCO Circuit
Shift SW Circuit
Sub CPU and Peripheral Circuit
Lighter and Dimmer Circuit
Reset and Backup Circuit
DTMF Decoder Circuit
CTCSS Tone Encoder Circuit
DTMF Encoder Circuit
Cross Band Repeater Circuit
Tone Burst Output Circuit
Packet Circuit
Data Input Output Level Diagram
Front CPU I/O Port
Main CPU I/O Port
Semiconductor Data
Voltage Regulator
8-Stage Shift Register
Audio Power Amplifiers
540Mhz Frequency Synthesizer
430-450 Mhz FM 35W RF Power Module
8V Voltage Regulator
Bilateral Switch
Operational Amplifiers
C-MOS Voltage Detector
RF Amplifier
144-148Mhz 60W RF Power Module
NAND Gate
Multiplexer/Demultiplexer
Attentuator
DTMF Transmitter
DTMF Receiver
Narrow Band FM if IC
Transistor, Diode and LED Outline Drawings
Lcd
Common
Segment
Exploded View
Front View
LCD View
VHF Unit View
UHF Unit View
Parts List
Adjustment
Required Test Equipment
Adjustment Points
Sub Control Unit
Front Control Unit
Tone ENC Unit
Main Unit
UHF RX Adjustment
UHF TX Adjustment
VHF RX Adjustment
VHF TX Adjustment
PC Board View
VHF Main/Air Unit Side
UHF Main/Enc/Vol Unit Side
Front CPU Unit
SUB CPU Unit
VHF VCO Unit
VHF PLL Unit
UHF VCO Unit
UHF PLL Unit
Main Block Diagram
CPU Block Diagram
PLL, VCO Block Diagram
Schematic Diagram
VHF Main Unit
UHF Main Unit
VHF VCO, PLL Unit
UHF VCO, PLL Unit
ENC Unit
Ehm35B
Ehm39

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Alinco DR-610T Service Manual

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