Sony KLV32U300A starts up then shuts down
Sony KLV32U300A starts up then shuts down with ared led blinking twice with a pause then again the same over,ould someone pls give advice on where to lookfor rhe error
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Re: Sony KLV32U300A starts up then shuts down
Are you certain it's KLV32U300A and not KLV-32V300A
The led fault code for KLV-32V300A is attachedAttached FilesWilling to help but I'm no expert. -
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Re: Sony KLV32U300A starts up then shuts down
Thanks Dick,it is definitely klv32u300aComment
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Re: Sony KLV32U300A starts up then shuts down
And thanks for your input,much appreciatedComment
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Re: Sony KLV32U300A starts up then shuts down
Can you post nice sharp photo's of the circuit boards
Have you taken any voltage readings?Willing to help but I'm no expert.Comment
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Re: Sony KLV32U300A starts up then shuts down
Try test number 3 below, be sure to post the pin label/description, number and voltage.Comment
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Re: Sony KLV32U300A starts up then shuts down
Service manual.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: Sony KLV32U300A starts up then shuts down
Hi Dick no i hav'nt checked the voltages yet and i will post pics of the circuit boards,yesterday i switche the tv on and it actually came on for 5 minutes and switched off automatically but after that the same on off occured again.what can you make of thatComment
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Re: Sony KLV32U300A starts up then shuts down
Does it sound like the power supply or could it be on another boardComment
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Re: Sony KLV32U300A starts up then shuts down
It's just speculation until you do the tests.Comment
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Re: Sony KLV32U300A starts up then shuts down
Thanks nomoresonysComment
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Re: Sony KLV32U300A starts up then shuts down
Hi Dick,i checked voltages on standby and all seem ok but when i removed one plug from power supply going to the main board then green light stays on which indicates that the fault is on main board but the led flashes 2 times still which according to the chart of blinking codes should indicate that the psu is the culprit,how do i post pics of the boards on hereComment
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Re: Sony KLV32U300A starts up then shuts down
Post pictures by clicking on "Go Advanced" and then I add them one at a time.Willing to help but I'm no expert.Comment
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Re: Sony KLV32U300A starts up then shuts down
Hi Dick i did go on advanced and added the attachments but how do i post them,when i add attachments on email i have no problem but on here i just dont seem to get it doneComment
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Re: Sony KLV32U300A starts up then shuts down
RJ gives an explanation on how to add attachments
https://www.badcaps.net/forum/showpo...18&postcount=4Willing to help but I'm no expert.Comment
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Re: Sony KLV32U300A starts up then shuts down
Sorry it looks like i cant add attachments yet it states invalid postComment
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Re: Sony KLV32U300A starts up then shuts down
Attached FilesComment
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Re: Sony KLV32U300A starts up then shuts down
Ok i finally managed to attach the psu and main boardComment
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Re: Sony KLV32U300A starts up then shuts down
Can you give the voltages read on CN201, CN202 & CN203
eg
CN201
Pin 1 GND
Pin 2 GND
Pin 3 PWR_6V = xxV
Pin 4 PWR_6V = xxV
Pin 5 GND
etc for all pinsWilling to help but I'm no expert.Comment
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Re: Sony KLV32U300A starts up then shuts down
CN201 Pin 1=GND 2=GND 3=5.63V 4=5.83V 5=GND 6=GND 7=5V 8=5V 9=GND 10=GND 11=14.60V 12=14.60V 13=GND 14=32V
CN202 Pin 1=0.2V 2=0V 3=4.1V 4=GND 5=GND 6=GND 7=4.1V 8=4.1V
CN203 Pins 1-5=0V And 6-10=24VComment
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I have a really weird problem, this motherboard was working normally, someday it just started and all fans were running but didn't want to post, tried resetting bios, checking CPU and it was getting warm tried external gpu, flashed bios with programmer, but same problem.
Next day after several attempts the board goes into protection mode, no more staying on, I turn on the PSU fans starts directly turning, it used to not start until I press the pwr button, now it starts directly and fans spins, and shuts off after 3 seconds sometimes less, then won't start again unless I unplug the PSU and... -
Hi, I bought 6420 XFR that tries to boot but shuts down after about 3 seconds, CPU gets warm, fan starts.
So far I have tested all rails wich are good, BIOS flashed with CH341, 3.3,5, main rail present. multiple ram sticks tested. Sometimes it might stay on for longer like 4-5 seconds but not always, theres no picture whatsoever. Also on some rare occasions the caps lock flashes 1 time by itself.
NOTE: I am using bench power supply not dell charger with ID pin and NO battery present, kinda doubtful this would cause this issue.
Any help is welcome. Thanks !Yesterday, 03:53 PM -
So I have this Sony VJF152C11N ( Board Number : DA0HKDMB6D0 ) which came to me with no charging issue. The Charging IC was getting hot so replaced it.
ISL88732 replaced with ISL88731 and also the lower mosfet PQ59 ( NTTFS4C10NTAG ) with a similar N channel mosfet. Now the Charging is fine with 15.7 on BAT+ line but the new problem is that laptop boots till sony logo and then shuts down when battery is connected ( With or without AC adapter )
What could be causing this is a non compatible IC or FET or poor soldering or some kind of shorting? -
Hello,
LG OLED model 65B7V starts up with green screen for a few seconds then shuts down.
Can this be a sign of shorted ceramic caps in the T-con ?
Best, -
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