Found any bad/open fuses yet?
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I joined the cult (New XG-100M owner)
- Thread starter Teotwaki
- Start date
Yup, the CAN Bus ground fuse. I jumpered it but the radio still does not fire up. Apparently there is a regulator underneath the big RFI can on the PA board. Looks to be a huge PITA to remove.
Whenever I have problems with one of these radios I always front mount the control head to eliminate the can bus. One less thing in the equation.
Merlin very generously mailed me a used/bad PA board so that I could look into the power regulation circuits. He had already cut the RFI can off so here is a picture with a few notes in red font as to what each regulator type is or at least the possible manufacturer based on the logo on the part. List by part ID below the picture
Q85 Analog Devices IC "ad7415" might be:
The AD7414/AD7415 are complete temperature monitoring systems in 6-lead and 5-lead SOT-23 packages. They contain a band
gap temperature sensor and a 10-bit ADC to monitor and digitize the temperature reading to a resolution of 0.25°C.
The AD7414/AD7415 provide a 2-wire serial interface that is compatible with SMBus and I2C interfaces.
U60 LMZ14202 DC-DC step down regulator
U61 LM2941 adjustable linear regulator
U63 LINEAR TECHNOLOGY possibly a LT3010 REGULATOR
U66 ANALOG DEVICES possibly a voltage regulator labeled LTZF 2C62e3
U70 LM2941 adjustable linear regulator
U74 M5201 by Microchip is a fixed voltage low dropout regulator
L158 Coilcraft inductor
Q85 Analog Devices IC "ad7415" might be:
The AD7414/AD7415 are complete temperature monitoring systems in 6-lead and 5-lead SOT-23 packages. They contain a band
gap temperature sensor and a 10-bit ADC to monitor and digitize the temperature reading to a resolution of 0.25°C.
The AD7414/AD7415 provide a 2-wire serial interface that is compatible with SMBus and I2C interfaces.
U60 LMZ14202 DC-DC step down regulator
U61 LM2941 adjustable linear regulator
U63 LINEAR TECHNOLOGY possibly a LT3010 REGULATOR
U66 ANALOG DEVICES possibly a voltage regulator labeled LTZF 2C62e3
U70 LM2941 adjustable linear regulator
U74 M5201 by Microchip is a fixed voltage low dropout regulator
L158 Coilcraft inductor