Kenwood QR-666 Manuals

Kenwood QR-666 Manuals

Manuals and User Guides for Kenwood QR-666. We have 1 Kenwood QR-666 manual available for free PDF download: Operating Manual

Kenwood QR-666 Operating Manual

Kenwood QR-666 Operating Manual (28 pages)

communication receiver

Brand: Kenwood | Category: Receiver | Size: 4.41 MB

Table of Contents

Contents
2
Specifications
3
Installation
5
Unpacking
5
Antenna and Grounding
5
Long-Wire Antenna
5
Inverted V-Type Antenna
6
Multiband Antenna
6
Grounding
6
Operating Controls
7
Front Panel Controls
7
Rear Panel Controls
8
Operating Instructions
10
Reading the Receiving Frequency
10
Receiving of am Signals
10
Receiving of SSB Signals and CW Signals
10
How to Use Remote Socket
11
Circuit Description
12
General Description
12
RF Amplifier
13
Mixer
13
Local Oscillator Circuit
13
2Nd Mixer/If Amplifier/F Band Conversion Crystal Oscillator Circuit
14
IF Amplifier
14
AGC Amplifier and S Meter Circuit
14
Detector Circuit and ANL
15
AF Amplifier
15
9V Power Regulator Circuit
16
Power Circuit and Pilot Lamp
16
Maintenance and Alignment
18
Removing the Cabinet
18
Service Position
18
Preliminary Settings for Adjustment
18
Adjustment with Marker Generator or Broadcast Signal
21
Dial Cord Stringing
21
BFO Adjustment
21
Fuse and Pilot Lamp Replacement
22
Power Voltage Setting
22
Replacement Parts
22
Installation of Marker Unit and FM Unit
22
Troubleshooting
23
Top & Bottom View of the QR-666
24
QR-666 Schematic Diagram
25
QR-666 Printed Board Schematic Diagram
26

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