JRC NDR-91 Manuals

JRC NDR-91 Manuals

Manuals and User Guides for JRC NDR-91. We have 1 JRC NDR-91 manual available for free PDF download: Instruction Manual

JRC NDR-91 Instruction Manual

JRC NDR-91 Instruction Manual (53 pages)

Brand: JRC | Category: Receiver | Size: 1.82 MB

Table of Contents

Outside View
2
Table of Contents
3
Caution
5
1 G E N E R a L D E S C R I P T I O N

6
- F E a T U R E S
  6
  - Features
    6
  - General Description
    6
  - Specifications
    6
  - Frequency Stability
    7
  - IF Rejection Ratio
    7
  - Selectivity
    7
  - Sensitivity
    7
  - AF Characteristics
    8
  - AGC Characteristic
    8
  - Cross-Modulation
    8
  - Intermodulation
    8
  - Composition
    9
  - Options
    9
  - S T a N D a R D C O M P O S I T I O N
    9
    
    Anti-Induction of the Transmitting Wave
    10
    
    Connection of External Lines
    10
    
    Installation
    10
    
    Protection of the Receiver by the Anti-Inducer
    10
- Standard Composition
  9
- A N T I - I N D U C T I O N O F T H E T R a N S M I T T I N G W a V E
  10
- C O N N E C T I O N O F E X T E R N a L L I N E S
  10
- H Ow T O M Ount a Ux C R y S T a L
  13
- How to Mount the AUX Crystal
  13
4 O P E R a T I O N

14
- O P E R a T I O N P a N E L
  14
  - Operating Procedures
    16
  - Power Voltage Check
    16
  - Antenna System Check
    16
- O P E R a T I N G P R O C E D U R E S
  16
  - Basic Operation of SSB Reception L
    17
  - Operation of DSB Reception L
    17
  - Operation of FSK Reception T
    18
    
    Further Operation
    19
    
    Operation of ATT
    19
    
    Operation of BC BAND REJECT
    19
    
    Operation of AGC Switch
    19
    
    Circuit Description
    20
    
    Receiving Section
    20
    
    Local Signal Generator Section
    20
  - Operation
    14
  - Operation Panel
    14
100 C I R C U I T D E S C R I P T I O N

20
- R E C E I V I N G S E C T I O N
  20
- L O C a L S I G a N L G E N E R a T O R S E C T I O N
  20
  - 1St Local Oscillator
    21
  - 2Nd Local Oscillator
    21
  - BFO Circuit
    21
  - Panel Section
    21
- P a N E L S E C T I O N
  21
- P O W E R S U P P L y S E C T I O N
  22
- Maintenance
  23
1000 M a I N T E N a N C E

23
- G E N E R a L
  23
- G E N E R a L M a I N T E N a N C E a N D C H E C K
  23
  - Checking Procedure
    24
  - Decline of the Sensitivity
    24
    
    Troubleshooting
    24
    
    Investigation of the Route of Noise
    25
    
    Investigation of the Source of Noise
    25
    
    No Sound
    25
    
    Noise and Beat
    25
    
    Countermeasure
    26
    
    Interference by the Transmitter of Your Station
    26
    
    Top Parts Arrangement
    29
    
    Bottom Parts Arrangement
    30
    
    Rear Parts Arrangement
    31
    
    Rear View
    33
    
    Under Installation
    34

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