REPAIRING AND NOT THROWING AWAY

REPAIRING AND NOT THROWING AWAY

Richtige Fernseher haben Röhren!

Richtige Fernseher haben Röhren!

In Brief: On this site you will find pictures and technical information about Service Modes, Circuit Diagrams, Firmware Update procedure, Disassemble procedure, Universal remote control set-up codes, Troubleshooting and more....

If you go into the profession, you will obtain or have access to a variety of tech tips databases HERE IT IS Master Electronics Repair !.

These are an excellent investment where the saying: 'time-is-money' rules. However, to learn, you need to develop a general troubleshooting approach - a logical, methodical, method of narrowing down the problem. A tech tip database might suggest: 'Replace C536' for a particular symptom. This is good advice for a specific problem on one model. However, what you really want to understand is why C536 was the cause and how to pinpoint the culprit in general even if you don't have a service manual or schematic and your tech tip database doesn't have an entry for your sick TV or VCR.

While schematics are nice, you won't always have them or be able to justify the purchase for a one-of repair. Therefore, in many cases, some reverse engineering will be necessary. The time will be well spent since even if you don't see another instance of the same model in your entire lifetime, you will have learned something in the process that can be applied to other equipment problems.
As always, when you get stuck, checking out a tech-tips database may quickly identify your problem and solution.In that case, you can greatly simplify your troubleshooting or at least confirm a diagnosis before ordering parts.

Happy repairing!
Today, the West is headed for the abyss. For the ultimate fate of our disposable society is for that society itself to be disposed of. And this will happen sooner, rather than later.

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..............The bitterness of poor quality is remembered long after the sweetness of todays funny gadgets low price has faded from memory........ . . . . . .....
Don't forget the past, the end of the world is upon us! Pretty soon it will all turn to dust!

©2010, 2011, 2012, 2013, 2014 Frank Sharp - You do not have permission to copy photos and words from this blog, and any content may be never used it for auctions or commercial purposes, however feel free to post anything you see here with a courtesy link back, btw a link to the original post here , is mandatory.
All posts are presented here for informative, historical and educative purposes as applicable within fair use. NOTHING HERE IS FOR SALE !

Saturday 9 February 2019

LG - 50PQ3000-ZA _ PLASMA TV _ ADJUSTMENTS

LG - 50PQ3000-ZA _ PLASMA TV _ ADJUSTMENTS






POWER PCB ASSEMBLY VOLTAGE ADJUSTMENT
Va - ADJUSTMENT

Connect + terminal of D. M.M. to Va pin of P811, connect - terminal to GND pin of P811.
After turning VR901,voltage of D.M.M adjustment as same as Va voltage which on label of panel right/top (deviation;±0.5V).

Vs - ADJSUTMENT

Connect + terminal of D. M..M. to Vs pin of P811, connect -terminal to GND pin of P811.
After turning VR951, voltage of D.M.M adjustment as same as Vs voltage which on label of panel right/top (deviation ; ±0.5V).

[Va & Vs Voltages can be noted at the sticker label on the plasma panel]

SET INFORMATION [ SERIAL NUMBER & MODEL NAME]
  • Push the menu button in DTV mode.
  • Check the Serial Number.  Select the STATION ==> Diagnostics ==> To set.


CHECKING THE EYE-Q OPERATION
  • Press the EYE Key on the adjustment remote controller.
  • Check the Sensor DATA (It must be under 10) and keep the data longer than 1.5s
  • Check ‘OK’
(Sensor DATA 0 ~ 4095, Power Saving Mode 0 ~ 12).  IF you press IN-STAP Button, change Green Eye-check OSD.

MANUAL WHITE BALANCE PROCESS [USING ADJUSTS REMOTE CONTROL]
Adjust in AV 1 MODE, Turn off Energy Saving Mode.
  • Enter “PICTURE RESET” on Picture Mode, then turn off
  • Fresh Contrast and Fresh colour in Advanced Control
  • After enter Service Mode by pushing “ADJ” key,
  • Enter White Pattern off of service mode, and change off -> on.
  • Enter “W/B ADJUST” by pushing “G” key at “3. W/B ADJUST”.
  • Adjust W/B DATA, for all CSM, choose ‘COPY ALL’
Gain Max Value is 192. So, Never make any Gain Value over 192 and please fix one Value on 192, between R, G and B.

DOWNLOAD SERIAL NUMBER [RS-232C]
  1. Press “Power on” key of service R/C.(Baud rate : 115200 bps)
  2. Connect RS232 Signal Cable to RS-232 Jack.
  3. Write Serial number by use RS-232.
  4. Must check the serial number at the Diagnostics of SET UP menu.
THE EXTENDED DISPLAY IDENTIFICATION DATA [EDID] DOWNLOAD
  • Press the ADJ KEY on R/C and enter EZ ADJUST.
  • Select “5.EDID D/L” by using D/E(CH +/-) and press ENTER(V).
  • Select “Start” and press navigation key(G).
  • EDID download is executed automatically.
  • Press EXIT key on R/C
ANALOG RGB

HDMI


Posted By: FRANK at 03:46
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