Question about Sony FD Trinitron WEGA KV-21CL10 21" TV

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No volume and channel display

I messed up in the service mode, now I go into service mode, no display but i know the adjustment is there, how can I make them show up again. I am 100% frustrated. I m about to destroy my WEGA.

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I know how to get to the service display and ajust settings, but don't know how to save the info.If tv gets unpligged i will loose all the info.

Posted on Jan 31, 2013

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Hi,
In this situation as I don't know what adjustment item has been changed, go to service mode and press 5 and 0 on remote. This will reset all adjustments data on factory default. press mute and zero to write on memory. I want to inform you that after above procedure, you will have to adjust Horizontal, Vertical picture size and pin amp adjustments to get normal picture.
Good luck.

Posted on Sep 10, 2008

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Posted on Jan 02, 2017

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1 Answer

How do I get to the service menu ? Sanyo Model DP42410


Press the volume + and channel - buttons at the same time for about 5 seconds. It must make it into service mode. But, what are you intended to do after entering this mode? There will be a special screen display, that will not resemble to normal user menu. Any data value set here should be changed very carefully. Improper data setting to this mode, might even make TV iresponsive to any external signals, means, the TV has gone for ever. If you do not know anything about this mode, and adjustments, never enter into it. Let it do by any experienced service technician. For more procedure to get into service mode and to make adjustments, check this link, if you wish.http://electronicshelponline.blogspot.com/

May 25, 2013 | Televison & Video

Tip

SERVICE MODE AND SCHEMATIC DIAGRAM


NOBLEX 29TC656F

White balance adjustment Mode - Be used for White balance adjustment. In Factory Mode, press" BUS OFF" to enter and exit.
Default Value OK mode - Be used for default value setting before TV leaves Factory. In Factory Mode, press "S. EFFECT" to enter default value. "Wait" will be displayed in screen, when it is finished, "OK" will be displayed. It will exit factory mode automatically.
Note: Now press "SERVICE" cannot enter factory mode, you have to take the following steps to enter:
1. Setting Volume to Zero.
2. Press "V-" in cabinet and Press "Display" in RC simultaneously
Adjustment Way1. B+ Adjustment:
Apply Philips Test pattern signal in normal status, adjusting VR821 to make B+= 130V± 0.5V.2. RF AGC adjustment:
Observe monitor the collector waveform of Q101 with the probe of Oscilloscope. Select channel 2 (>70dB) from the antenna input. Enter D-mode, select menu6 to adjust RFAGC item until the monitor peak value to 0.8Vp-p.

TO KNOW MORE CHECK THE LINK BELLOW
http://electro-medical.blogspot.in/
google.com/+AjinGopakumar



on Feb 18, 2015 | South Shore Noble 60 TV Stand - -

1 Answer

I need to adjust my vertical height on my Sony KV32HS500 on the DVI input. I don't recall the code to get into the service mode. All I can remember is "display, 5,) and either volume up or down... Any body...


Press the following buttons on the remote commander within a
second of each other:
DISPLAY then Channel 5 then Sound Volume + then Power

I have the complete service manual,if you want the enitre service mode adjustments pages please request it at computec40@hotmail.com.

Jul 18, 2009 | Sony FD Trinitron WEGA KV-32HS500 32" TV

2 Answers

Toshiba 42h82


1. ENTERING TO SERVICE MODE
MUTE
S
(Service mode display)
3) While pressing the MUTE button,
press MENU button on TV set.
2) Press MUTE button
again to keep pressing.
1) Press MUTE button twice
on Remote Control.
2. DISPLAYING THE ADJUSTMENT MENU
1) Press MENU button on TV.
Adjustment mode
Press
Press
Service mode
Item
S Data
3. KEY FUNCTION IN THE SERVICE MODE
The following key entry during display of adjustment menu provides special functions.
Screen adjustment mode ON/OFF: TV (ANT)/VIDEO button (on TV)
Selection of the adjustment items : Channel s/t (on TV or Remote)
Change of the data value : Volume s/t (on TV or Remote)
Adjustment menu mode ON/OFF : MENU button (on TV)
Initialization of the memory (QA02) : RECALL+Channel button on TV (s)
Initialization of the self diagnostic data: RECALL+Channel button on TV (t)
“RCUT” selection : 1 button
“GCUT” selection : 2 button
“BCUT” selection : 3 button
“SCNT” selection : 4 button
“SCOL” selection : 5 button
“TNTC” selection : 6 button
Convergence adj : 7 button
Self diagnostic display : 9 button

Oct 21, 2008 | Televison & Video

1 Answer

No volume and channel display


you should have its service manual to perform adjustments. let me know do you have it? also mention what data of adjustments you disturbed so resulted lost sound and display back-up.
Regards,

Sep 10, 2008 | Sony FD Trinitron WEGA KV-36FS120 36" TV

2 Answers

Toshiba 47" 1080P LCD 47HL167


Replace the convergence IC and check power resistor for leakage, if values are not exact replace them. Once the parts are in place perform the alignment.

Thank you & post back again if you need additional info.

May 07, 2008 | Toshiba REGZA 47HL167 TV

1 Answer

Convergence adjustment @ 52MH84


press mute on the remote then while pressing mute press menu on the set.then you navigate with the instructions below.
3. KEY FUNCTION IN THE SERVICE MODE
The following key entry during display of adjustment menu provides special functions.
Screen adjustment mode ON/OFF: TV (ANT)/VIDEO button (on TV)
Selection of the adjustment items : Channel s/t (on TV or Remote)
Change of the data value : Volume s/t (on TV or Remote)
Adjustment menu mode ON/OFF : MENU button (on TV)
Initialization of the memory (QA02) : RECALL+Channel button on TV (s)
Initialization of the self diagnostic data: RECALL+Channel button on TV (t)
“RCUT” selection : 1 button
“GCUT” selection : 2 button
“BCUT” selection : 3 button
“SCNT” selection : 4 button
“SCOL” selection : 5 button
“TNTC” selection : 6 button
Convergence adj : 7 button
Self diagnostic display : 9 button

Jan 21, 2008 | Televison & Video

1 Answer

No picture but there was a sound


1.service mode before putting unit into the service mode, check that customer adjustments are in the normal mode. use the reset function in the video adjust menu to ensure customer controls are in thier proper(reset)position. 2.service number selection once in the service mode, press the channel up or channel down button on the remote transmitter or at the set . the service adjustment number will vary in increments of one,from "S01"~"S19" to "M05". select the item you wish to adjust. 3.data number selection press the volume up or down button to adjust the data number. to enter the service mode. while pressing the vol-up and ch-up buttons at once, plug the ac cord into the wall socket and switch on the main power. now the TV set is switched on and enters the service mode. to exit the service mode, shut the television off by pressing the power button.

Sep 19, 2007 | Sharp 27J-S100 TV

2 Answers

Help please stuck in service menu


You should have purchaced the service manual before you went into the sevice mode, as the service mode is a dangerous place to be if you do not know anything about it. You can get the service manual from www.servicemanuals.net for about 20 bucks or so. A lot less expensive then a serviuce call I would think.

Aug 02, 2007 | Panasonic PT-47WX49 47" Rear Projection...

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