Having problems with your Standard (CRT) Televisions ?

21pt2004 94r after 3 to 4 secs tv screen turns off, but all voltages remain present except eht drive voltage



Answers :

Repair Help & Product Troubleshooting for Standard (CRT) Televisions
You need a second opinion or clarification ? ask it in the comment box OR you can Ask Your Own Question

Tips for a great answer:

  • Please provide as much detail as possible as this will allow our members to better understand and respond to your Comment
  • If you need clarification, ask it in the comment box
  • It's 100% free, no registration required

Suggested Questions/Answers :

It is recommended you read all this kind of situations

21pt2004 94r after 3 to 4 secs tv screen turns off, but all voltages remain present except eht drive voltage


... Standard (CRT) Televisions

21pt2004 94r my tv is 21pt2004 94r,tv after 3 to seconds turns off but voltages remain present,eht drive becomes zero


... Standard (CRT) Televisions

21pt2004 94r after 3 to 4 secs tv turns off, but voltages remain present thanks


Check for any loose solder terminals. ... Standard (CRT) Televisions

I have A Samsung 52 inch LCD TV model #LN52A580P6FXZA. The relay clicks at A random rate, there is A red light that flashes steady. It will not power up. All my standby voltages coming from the power supply are present as well as the run voltages. Power supply on voltage is present, inverter on voltage is present, occasionally, it will give A loud high pitched squeal. It never comes on. Any help would be appreciated.


... Flat Panel Televisions

Sony kv-21mf, no vidio.RGB out voltage at TDA8375 pins are 1volt.No blanking pulse on pin26 of jungle ic. Vertical pluse on pin17 of CPU is present, but no pluse on pin12 of CPU.CPU tested OK .


... Standard (CRT) Televisions

I have a TH50PX60U with the red light flashing 10 times. I went through the diagnostic flow chart to where it said replace the PA and DG boards. I replaced both and still have the 10 flashing lights. SInce that flow chart didn't seem to work I started checking the feeds from the power supply. I noticed on the PA10 that as soon as I plugged in the AC, the voltage read 15V. Then the voltage started dropping fast and went down to zero. Is this normal or should the voltage remain at a cons


... Panasonic TH-50PX60U 50 in. Plasma HDTV

I have a cornea 47" tv that wont' switch on only the standby light remains on


... Sony Flat Panel Televisions

I have a hitachi 65swx20b projection tv. visual trouble diodes D964 SW+9v goes off immediatly when the set triggers protection. I have checked the voltage at PPS4 pin 1 and read 9.4 volts. all caps, diode, resistors check . Ic911 pin voltage good except pin 5 input is 12 volts not 10.4 .


After reading your entire problem, I clicked my "click here to unlock" option and it will not work. Please do not hold this against me- you obviously have a very strong knowledge of troubleshooting, and are an experienced tech who knows what they are ... Hitachi Projection Televisions

I have a 2004 panasonic ct-27hl14j tv that has no gun voltage on any gun. HV is present as i can hear it. I have the back off and can see that none of the guns are on. where does the heater voltage come from and what pins do i check on the pic tube board. corkmiestr


Hi. The Heater voltage primarily comes from the LOPT, (Line Output Transformer). The pin on the transformer should be marked with a H. If there is voltage from that pin, follow the track from there checking for open circuit or out of value resist ... Panasonic CT-27HL14 27" TV

Onida colour tv model no21FGLS3.how much voltage is supplyed to the EHT. EHT no is HFT-452.


... Flat Panel Televisions

I Have a toshiba 42hl196 seems to be dead except for a clicking relay, no blinking red led,I have no voltages on the test points, except for the 5 volts which is not stable, I have noticed that the q820 has been replaced, should i go ahead and replace the other two regulaters?


... Toshiba 42HL196 42 in. LCD HDTV

Sony model KLV-32S400A had a power surge primary voltage is present however secondary side of switchmode not present no 24volts no 12volts no 5volts and no 3volts do not have the schematics in the service manual please help


... Sony Bravia KLV-32U300A 32 in. HD-Ready LCD TV

Voltage present on body of some caps


... Samsung HP-S5053 Television

Hi am trying to repair a xoro model : HTL4732B which goes in standby mode. All the voltages are present but as stated it still goes in standby mode. Can any one help? Bryan


... Standard (CRT) Televisions

Requir eht pin voltage


... Standard (CRT) Televisions

Iam having problem with a konka tv model kp2905qyt. there is no EHT but 130 volt is present on collector of horizontal output transistor, pleasse help


This problem has been answered a few while ago. Check the horizotal oscillator frequency. ... Konka Standard (CRT) Televisions

Sound but no picture. No backlight present. No VLED_VCC Voltage from PSU


For sure is the power supply can you replace the module? ... Sony 46 KDL46EX720 3D LCD TV

Kdl46xbr45 tv randomly turns itself off then instantly back on.Clicks off and clicks on ,but green light remains on throughout.Illuminated SONY logo goes dark then re-illuminates.Sony specialist repair shop had the set in their shop for 12 days.They claim the set worked perfectly throughout.Any ideas greatly appreciated as this is driving me crazy.


Hi, If the problem is with the LCD display unit, Sony is now extending the warranty on the LCD display and will fix the problem for free through September 30, 2012. See: http://esupport.sony.com/US/perl/news-item.pl?news_id=378&mdl=KDL46XBR4 Call the ... Sony KDL-46XBR4 46 in. LCD Television

No power,no light indicator when power switch on voltage is present in secondary


It sounds that the 5V regulator section on circuit board has the fault. Check it. ... Sony FD Trinitron WEGA KV-32FS120 32" TV

Polaroid flm-323b Dead power supply except have voltage on main input filter-170volts


There is no repair to these boards. Card based replacements can only be done. ... Flat Panel Televisions

21 inch LG tv switching on for 5 seconds and coming to standby. Again when I switch on the same thing happens. All Voltages are OK. The tv failed due to lightening during rains. I had replaced the vertical IC and H out transistor 1803DF. The anode cap was completely rusted and I had replaced it with a new EHT cap. What could be the problem for its switching off.


How about the regulator have you been checked if ok. ... LG Standard (CRT) Televisions

I am using my KDL40V5500 set up on UHF local digital channels. Tried to get results via satellite dish and set LNA on. Nothing coming through and checked to see if there was antenna voltage present at antenna connector but zero volts. Isn't there supoposed to be supply for dish preamp here? Tks Colin


Hi,Antenna input on tv, KDL-40V5500 does not have or provide any volts to LNA etc. Antenna input is to receive RF signal (digital or analog) by Ariel / antenna located in open air for better performance.Dish preamp gets volts from dish r ... Sony BRAVIA KDL40V5500 40 in TV

Lcd tv lt32de9bj i have a blue standby light. the hard drive runs for 2- 3 seconds over and over but the set will not start up. The 24v supply is present for the inverter but there is no backlight or picture


... Flat Panel Televisions

Television would not power on one day. no sign of any problem previous to this-it just wouldn't turn on . I started troubleshooting by confirming voltage present at the outlet it was plugged in to , then checked continuity across the power cord and from the power port on the unit to the first fuse(f1) and across the fuse itself. all checked out ok. what should i do from here? tv is a SOYO DYL032D LCD


Next is check the power supply section/board replace all bulging capacitors from the power supply.use the same value and rating of capacitor.Resolder also all the components from the power supply.re tighten all the connectors..you can also replace th ... Soyo DYLT032D 32 in. LCD Television

My hitachi 29in ctv power supply 110vac had a problem on zener diode will blown if we switch on the tv. what spare parts to change so that the power supply zener diode will not blown again and the supply voltage remain in normal condition.


The secondary output voltage comes out from is more than it should be there. That is why, the protection zener diode blows off, as soon as you switch ON the set. First find and repair the power supply regulator, for correct output voltage. Refer i ... Hitachi Standard (CRT) Televisions

A detailed question is important to get you a relevant answers

  • Start your question with What, Why, How, When, etc. and end with a "?"
  • Be clear and specific
all rights reserved to the respective owners || fullblownbass.com || Terms of Use || Contact || Privacy Policy
Load time: 0.0238 seconds