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Inquiry What is the value of a five-band resistor with the following colors: brown, black gold, gold, green brown black yellow gold, green. Pls pm me pls. thank you.

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If you want to know more things about RSGold can go to this website www.rsgoldfast.com
Our service is the most professional and most secure and convenient

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Click the link below to know how to read resistors or you can use the calculator by changing the colors and pressing calculate.
http://www.hobby-hour.com/electronics/resistorcalculator.php

Let me know if you need further assisatnce.

Posted on Sep 21, 2008

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Need Help with burned resistors value. Please.


have you repaired the component that burned these resistors out? if not then you cannot replace them as they will just cook again.

Nov 06, 2015 | Cobra CPI 1575 1500 Watt 12 Volt DC to 120...

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Have a 29 inch 5 or 6 yr old rca color tv lately we get a colored horizontal bar across the top of the screen and the other day we have fuzzy black lines across the entire screen


Hello,


CAUTION: To prevent damage to the CRT phosphors, immediately turn down the brightness so the line is just barely visible. If the user controls do not have enough range, you will have to locate and adjust the master brightness or screen/G2 pots.

A single horizontal line means that you have lost vertical deflection. High voltage is most likely fine since there is something on the screen.

This could be due to:

Dirty service switch contacts. There is often a small switch located inside on the main board or perhaps accessible from the back. This is used during setup to set the color background levels. (On some sets, this is located on the CRT neck board and may be a jumper plug or other means of selecting service mode - not an actual switch.)

When moved to the 'service' position, it kills vertical deflection and video to the CRT. If the switch somehow changed position or got dirty or corroded contacts, you will have this symptom. Flip the switch back and forth a couple of times. If there is some change, then replace, clean, resolder, or even bypass it as appropriate.

Bad connection to deflection yoke or other parts in vertical output circuit. Bad connections are common in TVs and monitors. Check around the pins of large components like transformers, power transistors and resistors, or connectors for hairline cracks in the solder. Reseat internal connectors. Check particularly around the connector to the deflection yoke on the CRT.

Bad vertical deflection IC or transistor. You will probably need the service manual for this and the following. However, if the vertical deflection is done with an IC, the ECG Semiconductor Master Substitution guide may have its pinout which may be enough to test it with a scope.

Other bad parts in vertical deflection circuit though there are not that many parts that would kill the deflection entirely.

Loss of power to vertical deflection circuits. Check for blown fusable resistors/fuses and bad connections.

Loss of vertical oscillator or vertical drive signals.

The most likely possibilities are in the deflection output stage or bad connections to the yoke.

May 30, 2010 | Portable Televisions

1 Answer

How do you wire up a alpine tve-t850? what is the red black and yellow wires


Hello,

the red, white and yellow wire, helps to connect DVD or VCR players into the television.

Once the DVD or VCR is connected, then you will press the AV of the TV to view the DVD or VCR.

The Yellow wire is video (Visual) while white and red are for sound ( Audio L & R).

Take care.

Jan 05, 2010 | Portable Televisions

1 Answer

JVC TV AV2648s will not turn on. Power light flashes when plugged in then remains off.


Remove the back panel and on the left as you open the case there is a fuse 1.25 Amp that is hidden out of line of sight when you look in to the power supply card when it is mounted. If you remove the two screws that mount the circuit board by the left speaker and remove the circuit board and look in between the heat sink for the IC901 transistor and the pair of ceramic block 330 ohm resistors there is a board mounted fuse there that was the problem that I am going to repair now and continue to trouble shoot. The ceramic resistors were also out of range by almost half of their value. May replace those as well. Good luck!

Oct 22, 2009 | JVC Portable Televisions

1 Answer

Green color


...try to soldering all the electronic components of the circuit board...sometimes there's a loose soldering of a electronic component...

Jul 09, 2009 | Portable Televisions

1 Answer

Tv looses color


your tuner seems to be bad

Nov 27, 2008 | Portable Televisions

3 Answers

Tv looses color


Hi and welcome to FixYa,

Initially, your concern could be any of three (3) possibilities:
  • logic controller IC (most likely);
  • 3.58 MHz crystal (likely);
  • chroma IC (least likely).
Although the IC is mentioned, it is highly probable that it is not the IC itself that is defective but a supply voltage or a signal is missing. This then could be either a simple cold solder or a resistor that has gone up in value. The crystal sometimes internally looses electrical contact. You can try tapping on it to determine if it were so.

Since this involve opening the TV unit and working on the electronics, this would require a fair familiarity of electronic components/circuitry and safety procedures, use of a DVM and a soldering iron. It would be to your added advantage access to a service manual or at the very least a schematic diagram with voltage readings. Should you be uncomfortable performing a DIY (do-it-yourself), perhaps your best bet would then be to seek the services of a qualified professional.

Repair cost would be dependent on how you approach the repair. Parts I expect, would not be that expensive. However, if you avail of the services of a competent repair person, then it would be the service charge that would make the repairs cost more.

Just a start, do postback how things turned up or should you need additional information. Good luck and Thank you for using FixYa.

Nov 27, 2008 | Portable Televisions

1 Answer

Dark color


Check state of capacitors related to the ABL circuitry starting from those located close to the flyback transformer. Also check for resistor out of range in the same area.

Jul 26, 2008 | Toshiba Portable Televisions

2 Answers

Colour problems


check for open resistor R302 on the CRT board. 150 ohm 1/8 watt SMT resistor, located at the base of Q305

Feb 11, 2008 | Portable Televisions

1 Answer

POLAROID TTM2401


Check components around the flyback transformer. Especially small value resistors and diodes. Also check the solder joints on the flyback transformer. Please be safe and unplug set when checking parts, also discharge caps or wait a while after unplugging.

Geno

Jan 24, 2008 | Portable Televisions

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