Downloads, circuit, layout, assembly instructions
http://www.grother.de/downloads-01.html

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Time Temp IV-3  IV-6 Led, Ldr clock

Circuit, partlist and instructions will be send via mail

Assembly Video in HQ 15 min.

 

 

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IV-11, DCF, melody, temperature

Circuit and partlist

Assembly instructions Vers. 4

Assembly instructions wireless transmitter, new.

 

Note: DC DC Step Up module regulated up to 48 volts.

If there is a 12k resistor soldered,  the voltage is approx 46 volts

The new PCB does not have a diode "D"

 
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GPS to DCF77 receiver converter

Circuit and partlist

Assembly instructions 

 

 
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DCF 600 time signal receiver

Assembly instructions 

 
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