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!

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All posts are presented here for informative, historical and educative purposes as applicable within fair use. NOTHING HERE IS FOR SALE !

Wednesday, 10 April 2019

TECH TROUBLESHOOTING – SAMSUNG TCON BOARD - 320WTLF3C2LV0.3 – 400W2C4LTV0.1 - 400W2C4LV1.5 - 460WSC4LV0.1 - 460WTC4LV5.0 - 4046HDCP2LV0.6

Tech Troubleshooting – Samsung TCON board - 320WTLF3C2LV0.3 – 400W2C4LTV0.1 - 400W2C4LV1.5 - 460WSC4LV0.1 - 460WTC4LV5.0 - 4046HDCP2LV0.6

A) 320WTLF3C2LV0.3
32 inches Panel
Note: Vcc input= 5V
1) IC12= 7585A power management IC.
If this IC failed, it will cause the TV No Display.
2) IC18= EEPROM memory IC.
If this IC failed, it will cause the TV No Display or White Screen problem.
3) U1= TFP7517PNP.
If this IC failed, it will cause the TV No Display or Display Abnormal problem.
4) U1= EM638325TS-7G SDRAM memory IC.
If this IC failed, it will cause the TV No Display or Display Distortion problem.
B) 400W2C4LTV0.1
40 inches Panel
Note: Vcc input= 5V
1) OP3 = 54200CRZ
If this IC failed, one of the half (left or right side) display will No Display or Display Abnormal.
2) ICG1= 5327CRZ.
If this IC failed, it will cause the TV No Display.
3) ICD3= 2700NT power management IC.
If this IC failed, it will cause the TV No Display.
4) ICt1= LRX4222 IC.
If this IC failed, it will cause the TV No Display or Display Distortion problem.
5) ICD1 is a SDRAM memory IC.
If this IC failed, it will cause the TV No Display or Display Distortion problem.
C) 400W2C4LV1.5
40 inches Panel
Note: Vcc input= 5V
1) IC320= EL7585AIL power management IC.
If this IC failed, it will cause the TV No Display.
2) ICT1= LRX4222T3.
If this IC failed, it will cause the TV No Display or Full Screen of Vertical Lines/Bars.
3) ICD1 is a SDRAM memory IC.
If this IC failed, it will cause the TV No Display or Display Distortion problem.
4) IC322= 24006IRZ.
If this IC failed, it will cause the TV No Display
D) 460WSC4LV0.1
46 inches Panel
Note: Vcc input= 5V
1) IC320= EL7585AIT power management IC.
If this IC failed, it will cause the TV No Display.
2) ICT3= LRX4222T3.
If this IC failed, it will cause the TV No Display or Full Screen of Vertical Lines/Bars.
3) IC322= EL24006IRZ.
If this IC failed, it will cause the TV No Display or Full Screen of Vertical Lines/Bars.
4) ICD1 is a SDRAM memory IC.
If this IC failed, it will cause the TV No Display or Display Distortion problem.
E) 460WTC4LV5.0
46 inches Panel
Note: Vcc input= 5V
1) ICD1= EL7585AIL power management IC.
If this IC failed, it will cause the TV No Display.
2) ICT1= LRX4222T3.
If this IC failed, it will cause the TV No Display or Display Distortion problem.
3) U2= K4D263238I SDRAM memory IC.
If this IC failed, it will cause the TV No Display or White Screen.
4) ICG1= MAX9590.
If this IC failed, it will cause the TV No Display or Full Screen of Colorful Vertical Lines/Bars.
F) 4046HDCP2LV0.6
46 inches Panel
Note: Vcc input= 12V
1) ICD1= ISL97650ARIZ is a power management IC.
If this IC failed, it will cause the TV No Display.
2) ICT1= LMX4122T0.
If this IC failed, it will cause the TV No Display, Display Distortion or Abnormal Display problem.
3) ICM1 is a SDRAM memory IC.
If this IC failed, it will cause the TV No Display or Display Distortion problem.
4) ICG1= MAX9590 IC.
If this IC failed, it will cause the TV No Display or Full Screen of Vertical Lines/Bars.
Posted By: FRANK at 04:31
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