Question about Televison & Video

Open Question

LG60PK540-UE. No signal, poor picture, no menus. The volume works with Zbus and Ybus disconnected. All capacitors look good. All fuses check out. I think it may be the main board? Thank you.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

robotek
  • 1512 Answers

SOURCE: aiwa mini-component

gidday mate... it does sound like a failure in the audio output stage. I suggest that you first check the speakers for short circuits as a fault here will produce a similar symptom you described. Check that you have the correct DC conditions about the STK, such as main power supply. Check all resistors that are in proximity to the STK, particularly lower value ones. Look also for shorted or dry capacitors about the output stages. Most of the audio signal path amplification is inside the STK and generally only a few millivolts of audio are provided to the input pins(usually the outermost pins). I have looked online for a data sheet on the chip that may be of help to you, but have not yet been able to find one. If the unit has soft touch electronically switched input selectors or electronic attenuator to the vol control, either of these IC,s may be faulty also. I am happy to keep going with this to help you fix it if you want. Give me a hoy back in here and I will :)

Posted on Jan 25, 2008

Grubhead
  • 5056 Answers

SOURCE: The mains input fuse (4amp) and a (1amp) fuse on

The cheapest option is to replace the transistors (a quick check on google will tell you how much they are). If they are common transistors you will be able to find them and get them quicker then searching for a board that could be no longer being made.

Posted on Sep 02, 2010

  • 1 Answer

SOURCE: marker lights wont work on my trailer. but the

96 gmc topkick truck... marker lights won't work... where do i find a fuse box diagram... which fuse box???

Posted on Nov 11, 2010

joeguest2
  • 2080 Answers

SOURCE: I have an RCA TV

The fact that the screen illuminates properly and does not stay absolutely pitch black means that the backlights are working properly.

A faulty LCD Controller Board (or TCon board for short) could possibly cause the symptoms you describe. The Tcon board is usually located under its own RF shield and will have a large braided steel multiwire cable coming into the bottom of the board and several flat ribbon cables connected to the top by little plastic flip up connectors. A replacement board can be purchased on Ebay for around $70 plus shipping. See the following link for one example:


http://cgi.ebay.com/LCD-CONTROLLER-V320B1-L01-C-RCA-L32WD12-/360142646595?pt=LH_DefaultDomain_0&hash=item53da2cad43


Just use your mouse to click on the link, which is the underlined and highlighted text just above. This will open a new web browser page automatically for you and allow you to view the item information at the website indicated.

Just don't buy any that say AS IS for their description of condition. That is EBay speak for broken.
Make sure they say TESTED FULLY WORKING in the item description.

The best way to be sure you are getting the right part is to open up your set and check the part number that is printed directly on the circuit board itself. Then look that part number up on the internet or type that number into the EBay search box.

Just typing in the model number of your TV will sometimes give you a few different part numbers so you have to confirm which part is in your particular set.

Make sure any part that you order online has exactly the same part number as the one you are replacing. Sometimes it it just the last few digits that are different and it can make a difference.

Here are some links to some excellent LCD Troubleshooting Guides from another expert (BUDMRTN) that you can read through and get an idea of the LCD repair process:


http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting

http://www.fixya.com/support/r7406380-tv_training_manuals

http://s807.photobucket.com/albums/yy352/budm

http://en.wikipedia.org/wiki/Capacitor_plague

Please leave a Thumbs Up rating on his pages if you find his guides helpful.

Please comment back here to this page if you have any details to add, have any questions, have difficulty accessing the links, or just require further general assistance and I will respond as soon as I see it.

Thank you very much and good luck.

Joe.

Posted on Apr 20, 2011

vinceisaac
  • 2432 Answers

SOURCE: Sharp Aquos LC-C3237U no picture backlight OK green light on

check if their is a signal on voltages around 3.3v at the inverter board if none their is a problem in the board which is in the processor.

Posted on Aug 31, 2012

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

No turning signals


Turn Signal Lamps
The turn signal lamps are made up of the front park/turn signal lamps and rear turn signal lamps. The front turn signal lamps flash with the rear turn signal lamps when a turn is initiated using the turn signal/multifunction lever. The turn signals will operate only with the ignition switch in the RUN position and will not operate during hazard flasher operation.
When the ignition is turned to the RUN position, battery voltage is supplied to the TURN SIGNAL, CORN LPS Fuse. Battery voltage is then applied through the TURN SIGNAL, CORN LPS fuse circuit to the hazard warning switch. The hazard switch supplies a turn signal flasher signal to the turn signal switch. With the turn signal switch in the LH or RH position the corresponding turn signal indicator, rear turn signal, and front turn signal receive the turn signal switch signal and will flash. The front turn signals receive the turn signal switch signal from the turn signal switch via the body control module (BCM) . The front turn lamps are grounded at G101. The rear turn lamps are grounded at G301 and G302.
Turn Signal Lamps and/or Indicators Inoperative

2

  1. Turn the ignition switch to the ON position.
  2. Place the turn signal switch in the LH and RH on position.
Do the turn signals operate properly?
Go to Testing for Intermittent Conditions and Poor Connections yes
Go to Step 3 no

3

Are all of the turn signal lamps and indicators inoperative?
Go to Step 5 yes
Go to Step 4 no

4

Are only the turn signal indicators inoperative?
Go to Step 16 yes
Go to Step 9 no

5

Check the TURN SIGNALS CORN LPS fuse for an open.
Is the TURN SIGNALS CORN LPS fuse open?
Go to Step 25 yes
Go to Step 6 no

6

  1. Disconnect the hazard switch.
  2. Turn the ignition to the ON position, with the engine OFF.
  3. Connect a test lamp between the ignition positive 1 voltage circuit of the hazard switch and a good ground.
Does the test lamp illuminate?
Go to Step 7 yes
Go to Step 27 no

7

Connect a test lamp between the ignition 1 positive supply voltage circuit of the hazard switch and the ground circuit of the hazard switch .
Does the test lamp illuminate?
Go to Step 8 yes
Go to Step 23 no

8

  1. Install a fused jumper between the ignition 1 positive voltage circuit of the hazard switch and the turn signal flasher signal circuit of the hazard switch.
  2. Place the turn signal switch in the RH on position and the LH on position.
Do the turn signal lamps illuminate?
Go to Step 17 yes
Go to Step 15 no

9

Is a front turn signal inoperative?
Go to Step 10 yes
Go to Step 13 no

10

  1. Turn the ignition switch to the ON position.
  2. Disconnect the inoperative front turn signal lamp.
  3. Connect a test lamp between the supply voltage circuit of the inoperative front turn signal lamp and a good ground.
  4. Place the turn signal switch in the appropriate ON position.
Does the test lamp flash ON and OFF?
Go to Step 14 yes
Go to Step 11 no

11

  1. Disconnect the body control module (BCM) connector.
  2. Connect a test lamp between ground and the front turn signal switch signal circuit of the BCM.
  3. Place the turn signal switch in the appropriate ON position.
Does the test lamp flash ON and OFF?
Go to Step 12
Go to Step 22

12

Test for an open or for a high resistance in the supply voltage circuit of the inoperative front turn signal lamp. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?
Go to Step 34
Go to Step 21

13

  1. Turn the ignition switch to the ON position.
  2. Disconnect the inoperative rear turn signal lamp.
  3. Connect a test lamp between the supply voltage circuit of the inoperative turn signal lamp and a good ground.
  4. Place the turn signal switch in the appropriate ON position.
Does the test lamp flash ON and OFF?
Go to Step 14
Go to Step 28

14

Connect a test lamp between the ground circuit of the inoperative turn signal lamp and supply voltage circuit of the inoperative turn signal lamp.
Does the test lamp illuminate?
Go to Step 20
Go to Step 26

15

Test for an open or high resistance in the turn signal flasher signal circuit. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?
Go to Step 34
Go to Step 18

16

  1. Turn OFF the ignition.
  2. Disconnect the instrument panel cluster (IPC).
  3. Connect a test lamp between the supply voltage circuit of the inoperative turn signal indicator and the instrument panel cluster (IPC) ground circuit.
  4. Place the turn signal switch in the appropriate ON position.
Does the test lamp flash ON and OFF?
Go to Step 19
Go to Step 24

17

Inspect for poor connections at the harness connector of the hazard switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
Go to Step 34
Go to Step 30

18

Inspect for poor connections at the turn signal switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
Go to Step 34
Go to Step 29

19

Inspect for poor connections at the instrument panel cluster (IPC). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
Go to Step 34
Go to Step 31

20

Inspect for poor connections at the inoperative turn signal lamp. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
Go to Step 34
Go to Step 32

Sep 05, 2015 | 2001 Oldsmobile Intrigue

1 Answer

A Philips 37PF7321D TV, no picture. Powers on, audio works, input switching works. Got picture once (menu and signal) clear, bright and good color. No blinking red lights. What to check or test next?


Looks like you have done a lot of testing. Try Philips at: http://www.support.philips.com/support/contact/contact_page.jsp?userCountry=ca&userLanguage=en

Feb 26, 2015 | Philips Televison & Video

1 Answer

Ue boom connected to pc but is not playing music... if i get lucky i get muffled sounds play back, how do i fix this


Q: What should I do if the audio is distorted or drops out on my UE BOOM?

A: Audio distorted or dropping out when streaming to UE BOOM
If you're having trouble with audio distortion or drop-outs on your UE BOOM, try these suggestions:
  • Move the audio source closer - it might be out of the range of your speaker.
  • Move away from other sources of wireless signal - you could be experiencing interference.
  • Make sure your speaker has enough battery power (connect it to a power source with the supplied adapter).
  • Adjust the volume on both the audio source and your speaker.
  • Restart both your speaker and the audio source.
  • Re-pair your device with your speaker (see, "How do I pair additional Bluetooth® devices with my speaker?").
  • If you're using two UE BOOM speakers (for Double Up), try disconnecting and streaming to one speaker only.
NOTE: If you're streaming audio content from the internet, the issue could be with the internet connection and not your speaker.

Dec 26, 2014 | Microsoft Computers & Internet

1 Answer

Yamaha receiver picture disappears and reappears when changing volume


I had the same problem with HDMI input to the RX-V373 from a DirecTV receiver. The RX-V373 volume display and menus on the screen are HD only, which forces the monitor to switch modes when viewing SD.

My solution was to turn off 480i and 480p signals from the DirecTV receiver, and also turn off its native output. The DirecTV receiver then upconverts SD signals to HD. Changing RX-V373 volume then doesn't affect monitor video mode.

May 10, 2012 | Yamaha Audio Players & Recorders

1 Answer

Denon avr789 shuts down when we try to increase the volume above say above20 is there a reason for this


The amplifier goes to the protect mode as there is heavy drain in the outputs- the MOSFETS.
This can be due to fault in the input signal, a poor DC regulation or a faulty speaker.
Disconnect all speakers and test one by one to confirm. Also make sure that the input signal is good, try with another source . Test also with the different input selection on the amp so as to confirm if the pre- amp is faulty.
Sometimes faulty capacitor in the sub power can give low regulated output and thus on load can shut down . finally check the input supply voltage, it should be correct or on load it can shut the amp.

Oct 01, 2011 | Audio Players & Recorders

2 Answers

I have a Phillips 42PFL3704D/F7 that has no picture. Sound works and I can turn the volume up and down. I placed a flashlight close to it at different angles and i think i see an image (not sure). If I...


If you can put a light source behind the screen and see an image, then your lamp has gone out. LCD's have an image on the screen but need the light source to show the picture because they do no emitt light themselves.

Jun 08, 2011 | Televison & Video

1 Answer

No turn signals,dash doesn't work


First check the fuses for signal/hazard lights; From Park Lamp Relay, check the fuse 2 and fuse 3 (15 AMP)

Second, check the "flasher" for signal lights;

For last, review your Turn Signal Swtich:
  1. Disconnect and isolate the negative battery cable from the battery.
  2. In order to disarm the air bag system, allow the system capacitor to discharge for at least 2 minutes, before performing any removal procedures.
  3. Remove the upper and lower steering column shrouds.
  4. Disconnect the electrical connector from behind the combination switch.
  5. Remove the mounting screws securing the combination switch to the steering column adapter collar.
  6. Remove the combination switch from the vehicle.
8344d1d.jpg


To install:
  1. Install the combination switch to the steering column adapter collar. Tighten the combination switch mounting screws.
  2. Reconnect the electrical connector to the combination switch.
  3. Install the upper and lower steering column shrouds and tighten the retaining screws.
  4. Reconnect the negative battery cable and check all functions of the combination switch for proper operation.

You can get more details and wiring diagrams in Autozone.com (free register). Good luck.

Sep 15, 2009 | 2002 Chrysler Town & Country

1 Answer

Powers down at high volumes


If your head unit powers off at high output it could be several things.
1. check ALL your grounds (head unit, amp, etc..)
2. it could be a a short.
3. head unit could be defective

disconnect the amp power/signal and see what hapepens.
If it doesnt happen you probably have an open ground or short in your amp power or signal cables. Amp could be defective but that is unlikely

If it still dies when the amp is disconnected it is isolated to your head unit. Check your head unit's ground/power/fusing or swap in another head unit to eliminate wiring faults.

Good Luck!

May 01, 2009 | Car Audio & Video

3 Answers

Relay clicks then shuts off - no picture/ no osd


No picture
  1. Power cord disconnected.
  2. Power not switched on.
  3. Improperly connected signal cable.
  4. Monitor in power save mode.
  1. Connect power cord.
  2. Turn the power switch on.
  3. Connect the signal properly.
  4. Press any key on computer.

Mar 05, 2008 | Sampo PME-42V3 42 in. Plasma Television

Not finding what you are looking for?
Televison & Video Logo

Related Topics:

26 people viewed this question

Ask a Question

Usually answered in minutes!

Top Televison & Video Experts

The Knight
The Knight

Level 3 Expert

74136 Answers

Cindy Wells

Level 3 Expert

5103 Answers

Electro Med Services...
Electro Med Services...

Level 3 Expert

6694 Answers

Are you a Televison and Video Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...