I have a INSIGNIA NS-LCD52HD-09 with the little light in front just blinks and TV never does anything. Just a steady blink and no like it's giving a code. On the power board I have 350volt at the 2 large caps but over on the connector for the 24v I get a fluctuation between 18-23volts continues and for the 5volt I get a fluctuation between 0.2-1.0volts and for the 12 volt I get 2.4 an OL rapidly. All the caps look ok also. Ideas??
INSIGNIA NS-LCD52HD-09 Blinking light
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Re: INSIGNIA NS-LCD52HD-09 Blinking light
Pictures of the power supply board connectors so we can see the labels for each pin.Never stop learning
Basic LCD TV and Monitor troubleshooting guides.
http://www.badcaps.net/forum/showthr...956#post305956
Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999
Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl
Tear down pictures : Hit the ">" Show Albums and stories" on the left side
http://s807.photobucket.com/user/budm/library/
TV Factory reset codes listing:
http://www.badcaps.net/forum/showthread.php?t=24809Comment
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Re: INSIGNIA NS-LCD52HD-09 Blinking light
OK, we need to get the 5VDC STANDBY Voltage to be stable first.
Check the capacitance and the ESR of the startup-running cap as shown in red circle.
If you do not have the cap checker then try heating that cap with hair dryer for a few minutes then plug the TV into the outlet and see if the 5VDC will become stable at 5VDC or just replace the cap.Never stop learning
Basic LCD TV and Monitor troubleshooting guides.
http://www.badcaps.net/forum/showthr...956#post305956
Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999
Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl
Tear down pictures : Hit the ">" Show Albums and stories" on the left side
http://s807.photobucket.com/user/budm/library/
TV Factory reset codes listing:
http://www.badcaps.net/forum/showthread.php?t=24809Comment
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Re: INSIGNIA NS-LCD52HD-09 Blinking light
The filter caps for the 5V are also OK too?
Try running the power supply board by itself to see if you do have steady 5V, if it is then use 47 Ohms 1W resistor to simulate about 100mA of current draw to see if it is stable, it is, then add another 47 Ohms in parallel to see if it can handle 200mA.Never stop learning
Basic LCD TV and Monitor troubleshooting guides.
http://www.badcaps.net/forum/showthr...956#post305956
Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999
Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl
Tear down pictures : Hit the ">" Show Albums and stories" on the left side
http://s807.photobucket.com/user/budm/library/
TV Factory reset codes listing:
http://www.badcaps.net/forum/showthread.php?t=24809Comment
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Re: INSIGNIA NS-LCD52HD-09 Blinking light
Between the 5V pin and the GND pin of the power supply board, no cables to the main board, we simulating the the load for the 5V power supply section.Last edited by budm; 06-03-2015, 08:42 AM.Never stop learning
Basic LCD TV and Monitor troubleshooting guides.
http://www.badcaps.net/forum/showthr...956#post305956
Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999
Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl
Tear down pictures : Hit the ">" Show Albums and stories" on the left side
http://s807.photobucket.com/user/budm/library/
TV Factory reset codes listing:
http://www.badcaps.net/forum/showthread.php?t=24809Comment
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