Question about Protron LT37C1P1 Television

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Power supply module

Need schematics

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Your question is ambiguous, i did not get your point. What you really want to ask ?

Posted on Jul 12, 2013

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3 Answers

Schematic atx diagram


I give up! Why would you need a schematic for a computer power supply? I've been in the computer business for over 30 years and have never needed a power supply schematic. Just curious!

Sep 18, 2013 | Antec BP350 350-Watt Power Supply

1 Answer

Driver's window


The wiring diagrams for your 2003 GMC Sierra power window circuits are copyrighted material and cannot be posted here. However, I can describe the driver's power window circuit to you.

Battery voltage is provided to the driver's window (master) switch via the ORANGE wire at PIn #2 on the switch connector which comes from the 25 Amp Left Window Circuit breaker located in the fuse block on the left side of the dash.

There is a logic module located inside of the master switch which controls the "Auto Down" feature for the driver's window. When the switch is operated in either the "UP" or "DOWN" position, power and ground is supplied to the window lift motor via the BROWN wire (Pin #1, Connector 2) and the DARK BLUE wire (Pin #3, Connector 2) Thease wires will switch polarity dependin on whether the switch is commanding UP or DOWN.

The schematics show that the ground circuit for the driver's window motor is supplied internally by the driver's window switch module. It is most likely grounded inside the door panel itself - the schematics do not specify. To check for ground, you can test continuity to ground on BOTH the BROWN and the BLUE wires by back-probing them with the switch electrical connector plugged in and the window control switch in the NEUTRAL position. They should both have ground.

When the switch is operated, one will remain ground while the other switches to power.

Mar 24, 2012 | 2003 GMC Sierra

1 Answer

Electric problems some wires no electric and fuses good


Need a wiring diagram

Then check fusable links, relays and modules, that supply power, to what your missing.

No wiring schematic,your wasting your time.

Nov 05, 2010 | 2004 Chevrolet TrailBlazer

1 Answer

POWER SUPPLY BAD, NEED SCHEMATIC DIAGRAM COMPONENT LEVEL


Polaroid will not release component schematics not even to service centers as they are designed to replace the entire modules while under warranty out of warranty there is very little Chance of obtaining new replacement parts. As i have a 2006 LCD and a 2007 Plasma Polaroids and polaroid told me they are considered a disposable TV replacement parts are not available and suggested that I try ebay

Apr 29, 2009 | Televison & Video

1 Answer

I just need a schematic for the ATXpower250 power supply.


http://www.helpwithpcs.com/courses/power-supply-basics-inc-pinouts.htm#atx-psu-pinouts

Jan 20, 2009 | StarTech.com (ATXPOWER250) 250-Watt Power...

1 Answer

Apple g4 digital audio Power supply API-9841


Solution: Replace power supply with a new one. Anything else might cause equipment damage, personal injury or death.

Any attempt for component level repair is not for the novice tinkerer. remember, opening the power supply might kill you.

My suggestion is to have the failed power supply module replaced with a brand new supply by a qualified repair technician.

Jul 24, 2008 | Apple G5 Case with Power Supply (p/n...

1 Answer

No picture no sound


replace the cpu of your mainboard and check the out put voltage of your dc power.

Jun 09, 2008 | RCA 27F530T 27" TV

2 Answers

Fuses blow afer power surge


These are switch mode power supplies and very difficult to repair. If you don't find all the blown components, they just blow up again when you try it. If that model has a separate module for the supply, you can try and order a replacement, but they usually are too expensive.
What model is it? Maybe I have a junker I can take the supply from for you?

Jan 02, 2008 | Toshiba M665 VCR

1 Answer

Toshiba


do you get a flashing led if so how many times?

this is a post from someone else:
Thought I would report my finding with this set. Maybe someone else is experiencing the same problem.

The set would turn on with no picture. No high voltage - no raster. By turning up the volume, you can hear some noise in the speakers. This set has many fuses and they all checked out ok.

I located some schematics on the net for the previous generation set - 40H80/56H80. I could not find any site with the 50H82 schematics without paying. The 40H80 seemed to match the 50H82 fairly closely. I checked the horizontal output transistor with a scope and found no signal. I traced the signal back to a board on the signal schematic called the DPC module. No HOT signal was being generated by this module. Per the schematic, I checked the voltage supply pins at this module and found everything ok except pin 6 which is supposed to be +12V. I traced this back to the power supply connector and found voltage (pin3 of 8 on BB30). Since I got the set for free and I was feeling risky, I shorted the +12V at the connector to pin 6 on the DPC. I got a small spark and the set shutoff, but I could hear static which indicated that the HOT briefly same on. I shorted out the connection again and turned the set on. This time is powered up and came back to life. I've run the set for a couple days so far and it appears to be working great.

I may have gotten very lucky, or I may be shorting out something that is not supposed to be shorted. I would really appreciate it if someone who has the real 50H82 schematic could check the connection between DPC pin 6 and the power supply connector BB30. If this is a real connection, I have to assume that the trace burned out somewhere. It vias up and down all over the place and is very hard to follow.

Dec 11, 2007 | Toshiba 55H70 55" Rear Projection...

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