Kenwood TK-790/B Manuals

Manuals and User Guides for Kenwood TK-790/B. We have 1 Kenwood TK-790/B manual available for free PDF download: Service Manual

Kenwood TK-790/B Service Manual

Kenwood TK-790/B Service Manual (96 pages)

Brand: Kenwood | Category: Transceiver | Size: 6.26 MB

Table of Contents

Table of Contents
2
Contents / General
2
Ordering Replacement Parts
2
Personnel Safety
2
Unpacking
3
Pre-Installation Checkout
3
Planning the Installation
3
General
3
- Pre-Installation Considerations
  3
- Before Reading about System Set-Up
  4
System Set-Up
4
Operating Features
5
- Scan Operation
  7
- Microphone
  7
- Transmit
  7
- Receive
  7
- Adding Channels and Groups to the Scan Sequence
  8
- Deleting Channels and Groups from the Scan Sequence
  8
- Operator Selectable Priority
  8
- Talk Around (TA)
  8
- Public Address (PA)
  9
- Speaker Internal/External (SP)
  9
- Channel Name (AN)
  9
- Intercom (IC)
  9
- Channel Recall (RCL)
  10
- Aux A, Aux B, Aux C
  10
- Direct Channel Access
  10
- Option Board (OPT)
  10
- Busy Channel Lockout (BCL), BCL Override
  11
- 2Tone Signalling
  11
- DTMF Signalling
  11
- Time out Timer
  11
- Minimum Volume
  12
- Dead Beat Disable (DBD)
  12
- ANI Board
  12
- Accessory Programmable Function Port (PF Port)
  12
- Msk Ptt ID
  13
- Power on Text
  13
- Data Programming (PC Mode)
  13
- Mode
  13
- PC Tuning Mode
  14
- How to Enter each Mode
  14
- Clone Modes
  15
- To Enter the Clone Mode and Connect Transceivers
  15
- All Clone
  15
- Group Clone
  15
- Front Panel Kit (KCH-10, KCH-11)
  16
- Connection with TK-790(B)/H(B)
  16
- Install the Accessory Knobs
  16
Installation
16
Disassembly for Repair
24
Circuit Description
26
- Receiver Circuit
  27
- Double Balanced Mixer
  27
- Circuit Description
  27
- Squelch and RSSI Voltage Vs ANT Input Level
  28
- VCO/PLL Circuit
  28
- Rx Bpf (L110~112)
  28
- Squelch Circuit
  28
- Control Circuit
  29
- Signalling Circuit
  29
- Memory Circuit
  29
- Shift Register
  29
- Display Unit
  30
- Encoder
  30
- Power Supply
  30
- Dimmer Function
  30
- Kch-11
  31
- KCH-11 Block Diagram
  31
- Terminal Function
  32
Semiconductor Data
32
Description of Components
36
Parts List
39
Block Diagram
93
Applicable (Mil-Std)
94
Specifications
94

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