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 !

Friday 9 October 2020

LG 37LH55, LG 37LH5000, LG 42LB5600, LG 42LB5800, LG 42LY540SM, JVC LT32J300, LG LH3000 T-CON AND PANEL PART NUMBERS, VOLTAGES VALUE INFORMATION

 Tcon and Panel Part Numbers, voltages LG37LH55, LG37LH5000, LG42LB5600, LG42LB5800, LG42LY540SM, JVCLT32J300, LG32LH3000


 

32LH30 Interconnect

TV Models: JVC LT-32J300, JVC LT-32P300, JVC LT-32JM30, LG 32LG5700, LG 32LH30, LG 32LH3000

Part Number: 6871L-1438C

T-con Board P/N: 6870C-0230A (Similar to 6870C-0266A, LC320WUN)

DESC or Panel Sticker Number: LC320WUN-SAB1

Connections and voltages

37LH55 Interconnect

TV Models: LG 37LH55, LG 37LH5000

PANEL P/N: EAT60664401

Part Number: 6871L-1588A

T-con Board P/N: 6870C-0264B

DESC or Panel Sticker Number: LC370WUD-SBM1


T-CON PWB under shield. Put screws back in before operating set with shield removed.

CN1 Pin-1 is P800 Pin-51 (20 bit LVDS)

Connections and voltages.

[CN3: Pins-1, 2, 4 => GND, Pin-3= P-DIM. Pin-3 PDIM (Digital Dimming) can vary according to the brightness level of the video signal and the OSD Backlight setting. 0.6V= 0% to 3.3V= 100%. Ouput from the Video Processing chip IC100 (Mstar).]

42LB5800 Interconnect

TV Models: LG 42LB5600, LG 42LB5800, LG 42LY540S

PANEL P/N: EAJ62572101

Part Number: 6871L-3454D

T-con Board P/N: 6870C-0480A

DESC or Panel Sticker Number: V14 42 DRD 60Hz Control_Ver0.3


[All LVDS signals are taken with SMPTY Colour Bar signal input (1080P) Component Input. All LVDS signals are “Differential Pairs”. The ones shown are the “Positive” signal of the pair. The Negative signal looks exactly the same but flipped 180 degree. Scope settings are 100mV per/division, 2.5uSec per/division.]
Posted By: FRANK at 08:15
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