FM Transmitter Troubleshooting Guide: FWD=0W & Drive=100% Issue

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• Troubleshooting FM Transmitter FWD0W,
  Drive100 Issue

Guide for FMUSER FSN-5 LPFM Series FSN-350T
(350W), FSN-600T (600W), FSN-1000T (1kW)
Contact us

• Email support_at_fmuser.com
• Submit Your Issues https//fmuser.net/about/?144.
  html
• Solution Indexed https//www.fmradiobroadcast.com
  /product/fm-broadcast-transmitters-for-sale-
  fmuser-broadcast
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Content
Quality Signals, Always Empowering AM, FM, and TV
Stations Studios
Contact us
support_at_fmuser.com - 1 of 1 - WhatsApp Chat
Today 86-18924246098 2019 FMUSER Broadcast,
Inc. Power Your Broadcast.https//www.fmradiobroa
dcast.com/
Content 1 Notice 2 Disclaimer 3 Safety
Precautions 3 FSN-5 FM Transmitter Family 4
Troubleshooting Steps 6 Step 1 6 Step 2
7 Step 3 8 Step 4 8 Step 5 9 Final
Notes 10 Contact us 10
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Quality Signals, Always Empowering AM, FM, and TV
Stations Studios Notice
This document provides information about the
FMUSER FSN5.0 350W, 600W, and 1000W transmitter
models when the screen displays a power of 0. It
serves as a guide to identify and troubleshoot
any module damage within the transmitter.
Additionally, this document also addresses the
issue of FWD power being displayed as 0W when the
drive reaches 100, offering a solution to
resolve this problem.
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Quality Signals, Always Empowering AM, FM, and TV
Stations Studios Disclaimer
The information provided in this manual is for
informational purposes only. The author and
publisher are not liable for any damages or
injuries that may occur as a result of using or
misusing the information provided. Users should
perform repairs on FM transmitters at their own
risk, and it is recommended to consult
professionals or qualified technicians when in
doubt. Safety Precautions

• Always disconnect the power supply before working
  on an FM transmitter to avoid electric shock.
• Ensure that you are working in a well-ventilated
  area to prevent inhalation of any harmful fumes
  or chemicals.
• Wear appropriate protective gear, such as safety
  goggles and gloves, to protect yourself from
  potential hazards.
• Familiarize yourself with the transmitter's
  manual and follow the manufacturer's instructions
  for safe operation.
• Avoid touching any hot components of the
  transmitter to prevent burns. Allow sufficient
  time for cooling before handling.
• Use insulated tools to minimize the risk of
  electrical accidents.
• Do not attempt to repair or modify the
  transmitter beyond your skill level. Seek
  professional assistance if necessary.
• Keep the work area clean and free from clutter to
  avoid accidents and tripping hazards.
• Check all cables and connections for damage
  before powering on the transmitter.
• Regularly inspect the transmitter for any signs
  of wear or damage, and promptly address any
  issues to ensure safe operation.

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Quality Signals, Always Empowering AM, FM, and TV
Stations Studios FSN-5 FM Transmitter Family
The FMUSER FSN-5 Series FM transmitters are
highly regarded broadcasting solutions known for
their exceptional performance and reliability.
These transmitters offer a range of impressive
features that have garnered global appeal. With a
user-friendly touching screen interface,
operators can easily monitor and control the
transmitter's functions.

FSN-350T 350W FM Transmitter FSN-600T 600W FM Transmitter FSN-1000T 1000W FM Transmitter FSN-1000T 1000W FM Transmitter

FSN-1500T 1500W FM Transmitter FSN-2000T 2000W FM Transmitter FSN-3500T 3500W FM Transmitter FSN-5000T 5000W FM Transmitter
The internal fan ensures efficient cooling,
effectively minimizing the risk of overheating.
The FSN-5 Series is celebrated for its
high-fidelity audio output, delivering
crystal-clear sound that
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Quality Signals, Always Empowering AM, FM, and TV
Stations Studios captivates listeners
worldwide. Incorporating built-in DSP innovation,
these transmitters outperform many competitors
in terms of functionality.
Despite their advanced capabilities, the FSN-5
Series maintains a 19-inch 2U 4U compact
design, saving space while enhancing practicality.
Remaining true to FMUSER's commitment to
affordability, the FSN-5 Series boasts a cost-
effective design without compromising on quality
or performance. Featuring powerful RF power
amplification chips like BLF188XR/MRFE6VP61K25H,
these transmitters provide exceptional
performance for radio broadcast stations.
With power options ranging from 350W to 5000W,
the FSN-5 Series offers flexibility, and the
power output can be tuned from a minimum of 0
watts up to 5kW.
In conclusion, the FMUSER FSN-5 Series FM
transmitters combine cutting-edge technology,
user-friendly design, cost-effectiveness, and
superior performance, making them an ideal choice
for broadcasters seeking reliable and
high-performing FM transmitters.
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Quality Signals, Always Empowering AM, FM, and TV
Stations Studios Troubleshooting Steps
Step 1 First, test the control panel's tuning
voltage. It should be within the normal range of
0 to 5V. If the voltage falls outside this range,
it indicates a malfunction in the control panel.
In such cases, the control panel needs to be
replaced.
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Quality Signals, Always Empowering AM, FM, and TV
Stations Studios
Step 2 Measure the control panel's first-level
drive voltage, which should ideally be around 2V.
If it deviates from this value, it indicates a
malfunction in the control panel. In such cases,
the control panel needs to be replaced.
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Quality Signals, Always Empowering AM, FM, and TV
Stations Studios
Step 3 Measure the control panel's second-level drive voltage, which should ideally be between 1V and 2V. If the voltage falls outside this range, it indicates damage to the control board. In such cases, the control board needs to be replaced.
Step 4 Measure the front drive power supply of the control panel. The normal voltage range should be between 0V and 12V. If the voltage deviates from this range, it indicates damage to the control panel, and it needs to be replaced.
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Quality Signals, Always Empowering AM, FM, and TV
Stations Studios
Step 5 Measure the power input voltage in the
power input board, which is typically around 2V.
If the voltage deviates from this normal value,
it indicates damage to the power input board,
and it needs to be replaced
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Quality Signals, Always Empowering AM, FM, and TV
Stations Studios Final Notes
We would like to express our sincere gratitude to
you for choosing our manual. We hope that the
information and precautions provided will assist
you in safely working on FM transmitters. If you
have any questions or require further assistance,
please do not hesitate to reach out to our
support team. Additionally, make sure to check
our website for any additional resources or
guides that may be available to you. Stay safe
and happy repairing!
Contact us

• Email support_at_fmuser.com
• Submit Your Issues https//fmuser.net/about/?144.
  html
• Solution Indexed https//www.fmradiobroadcast.com
  /product/fm-broadcast-transmitters-for-sale-
  fmuser-broadcast
• ? WhatsApp Chat 86-18924246098
• Online Chat https//jivo.chat/lEHTbmpYDr

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