Kenwood TK-768H Manuals

Manuals and User Guides for Kenwood TK-768H. We have 1 Kenwood TK-768H manual available for free PDF download: Service Manual

Kenwood TK-768H Service Manual

Kenwood TK-768H Service Manual (82 pages)

VHF FM Transceiver

Brand: Kenwood | Category: Transceiver | Size: 7.3 MB

Table of Contents

Table of Contents
2
Ordering Replacement Parts
3
Personnel Safety
3
Destination List
3
General
3
System Set up
4
Realignment
5
- How to Enter each Mode
  5
  - Self Programing Mode
    5
  - Setting the Functions
    7
  - Disabling the Self-Programming Function
    9
  - Canceling Shift-Prohibit
    9
  - Panel Test Mode
    9
  - All LCD Segments Appear
    9
  - Test Mode Channel Operation
    10
  - Frequency Table for Using on Test Mode
    10
  - Signaling
    10
  - Panel Tuning Mode
    11
  - Panel Tuning State Transition
    12
  - Transceiver Programming
    13
  - KPG-4 Description
    13
  - Programming Software Description
    13
  - Data Program Mode
    14
  - Clone Mode
    14
  - Memory Reset
    15
  - Accessory Connection Gable
    15
  - Installing the KCT-19 in the Transceiver
    15
  - Installation
    16
  - Terminal Function
    17
  - 15-Pin ACC Terminal
    17
  - Ignition Sense Cable (KCT-I8 : Option)
    18
  - Connecting the KCT-I8 to the Transceiver
    18
Installation
18
- Modifying the Transceiver
  19
- R5 and R6 Setup Chart
  19
- Emergency Mode
  20
- Emergency Mode System Chart
  20
- Outline
  20
- Change the Power Switch Circuit
  21
- Install the Foot Switch
  21
- Transceiver Modification Procedure
  21
- KAP-I (Option) Emergency Horn/Light Drive Relay Output Modification
  22
- Horn Alert
  23
- Horn/Light Unit (KAP-1 : Option)
  23
  - Installing the KAP-I in the Transceiver
    23
  - KAP-I Foil Side View
    23
  - After Modification
    24
  - External Speaker
    24
  - KES-3: Option
    24
- Fitting the Control Panel Upside down
  25
  - Circuit Configuration by Frequency
    26
  - Circuit Description
    26
  - Receiving System
    26
  - RF Unit
    26
  - Audio Amplifier Unit
    27
  - IF Unit
    27
  - Squelch Circuit
    27
  - APC Circuit
    28
  - Final Amplifier
    28
  - Microphone Amplifier
    28
  - Transmitter System
    28
  - Frequency Synthesizer Unit
    29
  - PLL Unit Block Diagram
    29
  - Vco/Pll
    29
  - Control Section
    30
  - Control Section Block Diagram
    30
  - Display Section
    30
  - PLL Unlock
    30
Circuit Description
30
- Memory Circuit
  31
- TX Encode Data
  31
- Shift Register
  31
- D/A Converter
  31
- Horn Control
  32
- Power Supply Circuit
  32
- Semiconductor Data
  33
- Terminal Connection Diagram
  33
- PLL System
  35
- Block Diagram
  35
- Reset Switch
  36
- TX-RX Unit
  37
- Vco
  38
Descriptton of Components
38
- Parts List
  39
- Capacitors
  39
- Resistors
  39
- Capacitor Value
  39
- Exploded View
  47
- Packing
  48
- Test Cable for Microphone Input
  49
- MIC Connector (Front View)
  49
- Test Equipment Required for Alignment
  49
- Adjustment
  49
- Adjustment Location
  50
- Common Section
  52
- Receiver Section
  53
- Transmitter Section
  53
- Adjustment Points
  54
- PC Board View
  57
- Level Diagram
  78
- Kap-1
  79
- External View
  79
- Main Features
  79
- Horn Alert Function
  79

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