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JUMA TRX2 Two Band model

DDS board Schematics DDS-PSU section | Schematics CPU-LCD section Layout top BW | Layout top Color | Layout bottom BW | Layout bottom Color Part list TopPicture | BottomPicture Notes | Construction gallery | Description | Adjustments	FILTER board Schematics Layout Part list Picture Description
MAIN board Schematics RX section | Schematics TX section | Schematics control section Layout Part list Small Picture | Medium Picture | Full Picture Description | Adjustments	POLYPHASE board (two boards needed) Schematics Layout Part list Picture top | Picture bottom Description
PA board for two bands (includes RF filters for two bands) Schematics Layout Part list Picture meduim size | Picture full size | SWR transformer modification SWR transformer installation | Toroidal coils | PA MOSFETs installation Supply and RF wires | Description | Adjustments with important note!	CONNECTOR board Schematics Layout top | Layout bottom Part list Top Picture | Bottom Picture Notes
Electromechanical parts Part list Flat cable dimensions | Power supply chassis socket | Power supply plug	Two band construction drawings Two band construction Front view | Rear view
JUMA TRX2 Firmware updates Relase notes Current firmware V 1.06 (hex file for upload) Save with mouse right button Programming instructions	Software information for developers Software-information-for-developers.html

JUMA TRX2A All Band model boards

All band PA board Schematics Layout top | Layout bottom Part list Picture 1 | Picture 2 | Picture 3 | Picture 4 | Drain current jumper SWR transformer modification | SWR transformer installation PA FETs 1 | PA FETs 2 | PA FETs 3 | PA FETs 4 | PA FETs 5 Adjustments with important note!	RF filter board for all bands Schematics BPF section | Schematics LPF section Layout top | Layout bottom Part list Toroidal coils Picture top | Picture BPF | Picture LPF Picture bottom | Picture bottom right
All band construction drawings and pictures All band construction All band model internal pictures

Option boards

JUMA TRX2-VM Voice Memory option Schematics Layout top | Layout bottom Part list Picture top | Picture bottom | Picture of installed board Description	JUMA KB1 External Keyboard option Schematics Layout top | Layout bottom Part list Picture top | Picture bottom | Look1 | Look2 | Holes drawing | Text template Description | Software
Voice Memory Windows software Setup package (zip) Guide Screenshot

CONSTRUCTION HINTS AND DETAILS
Tools for assembly
SMD soldering tips
Kit packet examples: Main | Main bags | Filter | Filter bags | Polyphase | Polyphase parts | Connector | Connector parts
Aluminium profile sinking
DDS board voltage regulator mounting
Main board fixing to the side Al prifile
GND terminal on main board for easy measuring
Support on the cover for polyphase and filter modules
Speaker holes drawing
Ground a non ESD compatible soldering iron to the PCB GND to avoid break up of MOS components
Microphone wiring
Simple microphone construction instruction
Surplus mic enclosure examples 1 | examples 2
JUMA TRX2_ICD programming_cable.pdf

TROUBLESHOOTING HINTS
Main board DC voltage table
Filter board DC voltage table
SPI serial bus description

CUSTOMIZING TIPS
Customizing the AGC speed
Fold out feets
Second RS232 serial communication interface for Voice Memory Control
Cable for NUE-PSK Modem

MODIFICATIONS
All band PA modification (Rev A2) for long key down operations
Line input modification for digi modes
Spur elimination option (JUMA TRX2 SE Option)

User HW and SW modifications

Link to JUMA-TRX2 main page