Question about LG 37LC2D Television

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Volume using remotes either ramps to max or all the way down

When using remotes, the volume will only ramp to max or to its lowest setting. The manual volume on the TV works like it should. I have removed batteries from the remotes and unplugged the TV for a time hoping that the problem would go away through a reset of sorts but that did not work. Do you have any ideas?

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Go into the service menu and reset the main board.

Posted on Jul 03, 2008

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Volume at max and won't go down


This sounds like a common problem on these TVs. Try a factory reset:

1. Press and hold "Menu" and "Channel+" on the TV. (do not use the remote)
2. Using the other hand, press the Power button.
3. A small screen should appear in the top left part of the screen.
4. Using the remote, select "Memory Recall" and Enter.
5. Power off and reboot the TV and Computer.
6. Run channel auto-scan to regain the picture.

Aug 12, 2012 | AOC L42H861 42 in. LCD TV

1 Answer

Volume display on max on my 47


What likely is wrong if volume is at max and cannot turn down--the volume down button on the set is bad---seen this and to say the least irritates me.

The buttons on the set each engage a tiny switch--a momentary one--means only should react when pressed but they fail in exactly this way.

Remote is number 2 in line--that is to say the buttons on the set have priority over the remote control.

Only way to prove this is gain access to the vol up button/switch and unsolder the switch (two pins).

If set now is normal (thank god) you can either leave the switch out or replace the board with all the buttons/switches. Remote will still be able with defective switch out to operate sound.

If you think your problem is bad I have seen same issue with channel up and down buttons--always it is the switch.

SD TECH

Apr 25, 2012 | Insignia NS-LCD47HD-09 47 in. LCD TV

1 Answer

For vw37l hdtv 20a vizio t.v. The power supply part # is DPS-201bp a rev.S1. What is the correct resistance for R805. What i read was a short on R805. Which THIS SEMI-CONDUCTOR (R805) looks like a...


I unfortunately do not have a schematic for your set, but can give you some general information that may help.

Often these devices are either a VCR (voltage controlled resistor) or TCR (temperature controlled resistor) They are commonly used to "ramp up" power when the circuit is energized... in "old school" CRT sets, a common use was in the screen degaussing circuit. In LCD sets, they are most likely used to "fire up" the cold cathode discharge backlight tubes. They are indeed semiconductor devices and do not respond to digital meters... the input impedance is too high.You may get some sort of reading from an old Simpson 260 analog meter or something similar, but use caution because their operating voltage can damage semiconductor components. You would require a curve tracer to properly analyze the voltage ramp.

Jan 30, 2011 | Vizio VW37L 37 in. LCD HDTV

1 Answer

The vizio and the direct tv remote volume is not working correctly, installed new batteries to both. When you push to go up, it goes all the way up and down all the way down. It's like to have a mind of...


i had this problem using dish network. my dish remote went bad so i got a new one and as soon as i programmed it volume and channel had mind of its own on both the dish remote and the original tv remote. you would hit it once and volume would go to max and vice versa when going down. ended up being the new remote was set on the uhf setting and i had to reset to the ir setting which is a small switch in remote next to batteries and then reset system info in dish receiver. problem went away instantly. both remotes work fine now. took two days to figure out and spent hours on internet looking for solution but no one had one. hope this helps.

Feb 03, 2010 | Vizio VF550M 55 in. LCD HDTV

1 Answer

TV one side slight blurr


hello, here some help with this
hope this help below are adjustments
and values

How to enter into Service Mode
While pressing [VOLUME ( - )] button of the main unit, press [RECALL] button of the remote control three times within 2
seconds.
10.1.1. Key command
"1" button...Main items Selection in forward direction
"2" button...Main items Selection in reverse direction
"3" button...Sub items Selection in forward direction
"4" button...Sub items Selection in reverse direction
"VOL" button...Value of sub items change in forward direction ( + ), in reverse direction
Value is shown as a hexadecimal number.
 ·Preset value differs depending on models.
 ·After entering the adjustment mode, take note of the value in each item before starting adjustment.
Main item Sub item Sample Data Remark
ADJUST CONTRAST 000
COLOR 3F
TINT 03
SUB-BRT 800
WB-ADJ R-CUT 80
G-CUT 80
B-CUT 80
R-DRV E6
G-DRV F0
B-DRV FC
ALL-CUT 80
ALL-DRV FC
OPTION BOOT ROM Factory Preset
STBY-SET 00
Emergency OFF
CLK MODE 00
CLOCK 000
AGING RGBW
COUNT
ALL WHITE
ALL RED
ALL GREEN
ALL BLUE
ON/OFF
RAMP WHITE
RAMP RED
RAMP GREEN
RAMP BLUE
1% WINDOW
COLOR BAR
A-ZONE B-ZONE/4 TRIO
SCROLL
WHITE FLAME
RM-SET CODE A Fixed
SRV-TOOL - See next
10.1.3. How to exit
Switch off the power with the [POWER] button on the main unit or the [POWER] button on the remote control

good luck hope tis help.

Jan 18, 2009 | Panasonic TH-42PZ700U 42 in. Plasma...

1 Answer

Max. VOLUME on Samsung TVs Too Low


Some models have a volume limit setting, check the MENU and look at the audio settings.
If this has external speakers use other speakers. If it has audio output connect them to a external amp and useing the remote adjust the volume. Check if audio settings are set to internal, external and fixed or vairable output.

Jan 09, 2009 | Samsung LN19A451C LCD TV

1 Answer

I have a Vizio 42' and a cable box and there's a constant humming


I think I had the same problem. This is how I fixed it.

I have my vizio 42 hooked up to a Harmon Kardon surround sound, and the digital cable box. Essentially, I can adjust the volume 3 ways - through the tv, cable box or av receiver. The humming sound happens when you have the volume maxed out on the av receiver and not the cable box.

For example, the sound level on my Harmon Kardon goes from -10 (lowest) to 10 (loudest), with 0 being the middle ground. The buzzing was happening when the Harmon Kardon was set to 10, and I was using the cable box volume to adjust the sound. To fix it, I turned down the volume on my receiver to 0, which may be about 50% max volume of the receiver. Then, I switched devices and used the volume on my cable box. This got rid of the static I was getting. Hope that helps.

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THIS PHENOMENON IS A CHARACTERISTIC OF PLASMA TV SETS...KNOWN AS DIFFUSION ERRORS OR COMMONLY..SPARKLING...ON LG SETS...THE PANEL VOLTAGES MUST BE CHECKED AND ADJUSTED IF NOT WITHIN .5 V...PLUS OR MINUS..Vs...and Va...THE OTHER ADJUSTMENTS ARE ON THE Y-SUS BOARD..Vset DOWN...Vset up...RAMP up...RAMP down...these should be adjusted by professional tv personnel with experence...JOE ACE

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1 Answer

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