Question about Samsung SyncMaster 1100P 21" CRT Monitor
Connect a series lamp for sefty to the monitor. start to disconnect the component from fuse ,line filter, bridge rectifier, filter capacitor, check the voltage at ic 12v also check pulse at str if not then check ic resistors capacitors,and replace if found faulty
Posted on Mar 23, 2011
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Posted on Jan 02, 2017
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This is an indication that you have a problem on the power
supply section or on the load because of the following reasons :
1. Over Voltage - the regulator
might be cycling on over voltage due to lack of load.
2. Over Current Protection - excessive
load or faulty power supply cycling will
trigger the over current
3. High voltage - there might be
an excessive high voltage or some other system detecting an out of regulation
condition. However, in this case, there should be some indication that the
deflection and HV is attempting to come up - momentary whine, static on the
4. Leaky Capacitor - a dried up
main filter capacitor or other filter capacitor in the low voltage power supply
that is producing an out-of-regulation condition. A bad
filter capacitor on the output of a series regulator may result in excessive/drop of voltage and unit will not power up unless isolated.
5. A problem with the
microcontroller, relay or its driver, or standby power supply.
This is not DIY and quite technical so I've advice you to
look for a qualified technician or send it to repair shop to isolate the
But first check if your unit is under warranty then avail it
because the manufacturer of your unit will fix it for free or with a little charge
Thanks for using fixya.
Please rate my help.
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