R&S M3SR Series 4100 HF Transceivers Troubleshooting
6124.9007.82.01 4.4
FE PLL LOCK Frontend
FE CHECKSUM Frontend
FE PREAMP Frontend
FE VCC Frontend
from Motherboard
MB 3.3V INT Motherboard
MB 1.8V Motherboard
MB 5V INT Motherboard
MB 5 V ANALOG Motherboard
MB 2.5V Motherboard
MB 1.8 V TO RC Motherboard
MB 1.2 V TO FPGA Motherboard
MB BATU Motherboard
from Digital Selector
DS NO DRIVE Check RF cabling, replace Frontend and/or Digital Selector
DS BP NO POUT Digital Selector
DS BP1 SUPPLY Digital Selector
DS BP2 SUPPLY Digital Selector
DS CU SUPPLY1 Digital Selector
DS CU SUPPLY2 Digital Selector
DS CLK UNLOCK Digital Selector
DS DEF TLD Operation is possible, restrictions only at extreme temperature. Re-
place Digital Selector with next service.
DS CRC Digital Selector
from Power Supply (within Power Amplifier)
PS 5V Power Amplifier
PS 3.3V Power Amplifier
PS 8V TO PA DRIVER Power Amplifier
PS -6.5V Power Amplifier
PS 22 V Power Amplifier
Message Module(s) / Device(s) to be Replaced and/or Action
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