HYT TM-600 User manual

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TM-600 Mobile Radio
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Contents
Revision History ................................................................................................................2
Introduction........................................................................................................................3
Safety Information .............................................................................................................3
Radio Overview..................................................................................................................5
Software Specification ......................................................................................................7
Circuit Description...........................................................................................................17
Semiconductor Data ........................................................................................................22
Component Description ..................................................................................................27
TM-600 Parts List 1 ..........................................................................................................28
Tuning Description ..........................................................................................................92
Terminal Function ..........................................................................................................104
Troubleshooting Flow Chart .........................................................................................107
Disassembly and Reassembly for Repair.................................................................... 111
Exploded View ...............................................................................................................114
TM-600 Parts List 2 ........................................................................................................ 115
Packing ........................................................................................................................... 116
TM-600 PCB View........................................................................................................... 117
TM-600 Block Diagram ..................................................................................................126
TM-600 Schematic Diagram ..........................................................................................127
Specifications ................................................................................................................141

TM-600 Mobile Radio
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Revision History
Version Date Contents Revised
8130M60000000 January, 2007 Initial Release
8130M60000010 March, 2008 The following information is updated/added:
1. New frequency ranges (470-520MHz 350-400MHz
440-470MHz) are added.
2. Tuning Description, Parts List 1, Schematic Diagram and
PCB View are updated.
3. Definition of J503 (further expansion port) is added.
4. Parts List 2 and Exploded View are updated.
5. Function key, tuning item and initial frequency of each
channel are added.
8130M60000020 August, 2009 The following information is updated/added:
1. Parts List 1, Schematic Diagram and PCB View are
updated.
2. Definition of J503 (further expansion port) is updated.
3. Tuning Description is updated.
4. DI and reset circuits are added for U1-U4.

TM-600 Mobile Radio
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Introduction
Manual Scope
This manual is intended for use by experienced technicians familiar with similar types of communication
equipment. It contains all service information required for the equipment and is current as of the
publication date.
Safety Information
The following safety precautions shall always be observed during operation, service and repair of this
equipment.
zThis equipment shall be serviced by qualified technicians only.
zDo not modify the radio for any reason.
zUse only HYT supplied or approved antenna.
zGain of antenna must not exceed 3dBi for VHF or 5.5dBi for UHF.
zMobile antenna Installation: Install the mobile antenna at least 82cm (32 inches) away from your
body, in accordance with the requirements of the antenna manufacturer/supplier.
zTransmit only when people inside and outside the vehicle are at least the minimum distance away
from a properly installed, externally mounted antenna.
zMobile antenna substitution: Don’t substitute HYT supplied or approved antenna, or excessive radio
frequency radiation will result. Please contact your dealer or the manufacturer for further
instructions.
zPlease make sure there’s no stress on the antenna joint during transportation or installation.
zTo avoid electromagnetic interference and/or compatibility conflicts, turn off your radio in any area
where posted notices instruct you to do so. Hospital or health facilities may be using equipment that
is sensitive to external RF energy.
zFor vehicles with an air bag, do not place a radio in the area over an air bag or in the air bag
deployment area.
zTurn off your radio prior to entering any area with explosive and flammable materials.
zDo not expose the radio to direct sunlight over a long time, nor place it close to heating source.

TM-600 Mobile Radio
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▇Operation Guidelines
For vehicles equipped with electronic anti-skid braking systems, electronic ignition systems or electronic
fuel injection systems, interferences may occur during radio transmission. If the foregoing electronic
equipments are installed on your vehicle, please contact your dealer for further assistance to make sure
that radio transmission will not interfere with these equipments.
For radio installation in vehicles fueled by LP gas with LP gas container within interior of the vehicles, the
following precautions are recommended for personal safety.
1. Any space containing radio equipment shall be isolated by a seal from the space in which the LP gas
container and its fittings are located.
2. Remote (outside) fitting connections shall be used.
3. Good ventilation is required for the container space.
▇Installation Guidelines
zVehicle installation: The antenna can be mounted at the center of a vehicle metal roof or trunk lid if
the minimum safe distance is observed.
zDo not mount the mobile radio overhead or on a sidewall unless you take special precautions.
zIf the mobile radio is not properly installed, road shock could bump the radio loose, and the falling
radio could, in some circumstances, cause serious injury to the driver or a passenger. In case of
vehicle accidents, even when properly installed, the radio could break loose and become a
dangerous projectile.

TM-600 Mobile Radio
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Radio Overview
Front Panel View
1) [Volume] Knob
Rotate the knob clockwise to increase the volume, and rotate it counter-clockwise to decrease the
volume.
2) Low Power Indicator
This indicator glows when the radio is at low power.
3) Scan Indicator
This indicator glows when the radio is scanning.
4) 8-segment Numeric LED
Used to display the current channel number, menu, option, etc.
5) [▲]Key
6) [▼]Key
Your dealer can program [▲]/[▼]as shortcuts to various radio features.
7) TX/RX Indicator
This indicator glows red during transmission, and glows green during reception.
8) [Power] Switch
Used to turn the radio on/off.
9) [P2] Key
10) [P1] Key
Your dealer can program [P1]/[P2] as shortcuts to various radio features.
11) Microphone Jack
Used to connect the microphone.

TM-600 Mobile Radio
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Rear Panel View
1）15-Pin Connector (for external expansion)
2）External Speaker Jack
Used to connect the external speaker (for the 3.5mm plug only).
Note: Please refer to “Test Cable for Speaker Output” in “Tuning Description” for details.
3）Power Inlet
Used to connect the HYT-authorized DC power cable for input of 13.6V DC power.
4）Antenna Connector
Used to connect the external connector.
Microphone
8-segment Numeric LED Display

TM-600 Mobile Radio
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Software Specification
Frame of Radio Modes
Keypad Entry for Mode Startup
Mode Display Operation Remarks
User Mode Channel No. The radio enters User Mode upon
power-on.
i.e. Conventional Mode
Tuning Mode 0Power on the radio whiling holding
down [P1].
Model Set Mode 0Power on the radio whiling holding
down [P2].
Clone Mode C Power on the radio whiling holding
down [P1]+[P2].
PC Mode No display Connect the mobile radio to PC via
the programming cable, and then
send commands via PC.
PC Mode
Tuning Mode
Conventional Mode
User Mode
Model Set Mode
Clone Mode
Wired Clone Mode
Wireless Clone Mode

TM-600 Mobile Radio
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Key Assignment
Your dealer may assign a function to the programmable key ([P1]/[P2], [▲]/[▼]). See the table below for
more details.
Note: "CH Number” in the table below indicates any value within 1~8.
Key Assignment
No. Function
Key Setting Display Remarks
Off CH Number No function
CH Up CH Number Channel up
CH Down CH Number Channel down
MONI A CH Number
MONI A: Monitor
Unmute-Momentary
MONI B CH Number MONI B: Monitor Unmute-Toggle
MONI C (default) CH Number
MONI C: Carrier
Squelch-Momentary
MONI D CH Number MONI D: Carrier Squelch-Toggle
User Selectable
Tone (UST) UST Number (0.-9.) CTCSS/CDCSS signaling
Sel 2-Tone 2-Tone Number (0.-9.) Select 2-Tone.
Sel Tx Power CH Number Switch Tx power.
Scan ●Scan
Add/Delete ●Temporarily add/delete a nuisance
channel.
Reverse CH Number Reverse frequency
Talk Around CH Number Talk around
SEL SQL SQL Number (0.-9.) Select squelch level.
Home CH Home CH Number(1-8) Home channel
Public Address P Public address
Scrambler CH Number Scrambler
Compander CH Number Compander
Emergency Call EmergencyCH
Number (1- 8) Emergency call
HDC Encode Call List Number HDC call
Lone Worker L. or L Lone worker
Whisper R. or R Whisper
AUX A None AUX A
AUX B None AUX B
1 [P1]
Transparent
Transmission Mode CH Number
Enable/disable Transparent
Transmission Mode.
2 [P2] Off CH Number No function

TM-600 Mobile Radio
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CH Up CH Number Channel up
CH Down CH Number Channel down
MONI A CH Number
MONI A: Monitor
Unmute-Momentary
MONI B CH Number MONI B: Monitor Unmute-Toggle
MONI C CH Number
MONI C: Carrier
Squelch-Momentary
MONI D CH Number MONI D: Carrier Squelch-Toggle
User Selectable
Tone (UST) UST Number (0.-9.) CTCSS/CDCSS signaling
Sel 2-Tone 2-Tone Number (0.-9.) Select 2-Tone.
Sel Tx Power CH Number Switch Tx power.
Scan (default) ●Scan
Add/Delete ●Temporarily add/delete a nuisance channel.
Reverse CH Number Reverse frequency
Talk Around CH Number Talk around
SEL SQL SQL Number (0.-9.) Select squelch level.
Home CH HomeCH Number (1- 8) Home channel
Public Address P Public address
Scrambler CH Number Scrambler
Compander CH Number Compander
Emergency Call EmergencyCH
Number (1-8) Emergency call
HDC Encode List Number (1.-9.) HDC call
Lone Worker L (off) L . (on) Lone worker
Whisper R (off) R. (on) Whisper
AUX A None AUX A
AUX B None AUX B
Transparent
Transmission Mode CH Number
Enable/disable Transparent
Transmission Mode.
Off CH Number No function
CH Up (default) CH Number Channel up
CH Down CH Number Channel down
MONI A CH Number
MONI A: Monitor
Unmute-Momentary
MONI B CH Number MONI B: Monitor Unmute-Toggle
MONI C CH Number
MONI C: Carrier
Squelch-Momentary
MONI D CH Number MONI D: Carrier Squelch-Toggle
User Selectable
Tone (UST) UST Number (0.-9.) CTCSS/CDCSS signaling
Sel 2-Tone 2-Tone Number (0.-9.) Select 2-Tone.
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[▲]
Sel Tx Power CH Number Switch Tx power.