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Need a schematic for a philco 47-1230

Have a resistor burnt near the 7f8 tube

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

zzedly
  • 300 Answers

SOURCE: Green light constantly blinking. No

Unfortunately, most consumer devices to not have freely available schematics. Plus, the chances of the resistor in question being the only faulty part is low, as something must have caused the resistor to be overpowered.

Posted on Mar 07, 2008

Slinteriors
  • 8617 Answers

SOURCE: need resistor value for RK62 on DP2X board for 57SWX20B

RK62 is a 2.2ohm 1 watt metal oxide resistor hitachi part number 0700054M any 2.2ohm 1 watt resistor will work although it does have to be metal oxide(flame resistant) for safety purposes.

Posted on Mar 24, 2008

  • 18 Answers

SOURCE: Resistors R30 and R31 on pcb 4233-1288d-b completely burnt.

R31 47 ohm 1/4 watt 5%
R30 100 ohm 1/4 watt 5%

Posted on May 30, 2009

  • 1 Answer

SOURCE: burnt out resistor

I'm in the same fix. I learnt that a new pcb is £68 so had the pcb repaired but after the machine has warmed up it now cuts in and out. Like you, I haven't been able to locate a wiring diagram so am trying a last minute lash-up before binning the machine:
A friend suggested that since we all seem to only operate the cleaner on full power I should connect the on/off switch direct to the motor bypassing the rheostat and the pcb as in old fashioned machines.

Posted on Jul 07, 2009

  • 1 Answer

SOURCE: Need Bissel 1715 wiring schematic. Charging

Can not believe NO ONE could answer this.

The R1 resistor basically drops the 9V to around 5V for charging the battery pack. The resistor is a 10 ohm , 2 watt resistor. The other resistor is 220 ohm. This only limits the current to the LED.

The 10 ohm resistor burnt because the battery pack was left to sit too long without use and charging. So the cells shorted causing excessive current through the resistor when you attempted to charge the batteries.

After replacing the resistor, you will need to replace the battery pack before charging. Otherwise, you'll just burn the resistor again.

Posted on Dec 23, 2010

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Re: Motor for turntable has burnt out. How/Where do I get replacement for repair? Contacting the manufacturer is not an option.


U positively sure the motor is actually burnt out? Not easy to burnout an induction motor and ...................

If absolutely sure about the only thing you can do is see if unit is available on ebay. Often repair parts are there also.

Oct 05, 2015 | Philco Audio Players & Recorders

1 Answer

I have a burnt resistor on a V55hd head. It is near one of the powertubes. Need to know how to calculate the value for replacement, and know if there is some sort of resistor type that will be more heat...


Usually the amplifier will have "symmetry" and there will be matching resistors near the other power tubes that you can get the value from. This is PROBABLY a screen resistor for the tube and values are often around 470 ohms or so but I could not find a schematic. These USUALLY don't fail unless a tube has shorted. Heat sinks are NOT used. The best resistors for the purpose are "wire wound" ones and of a suitable wattage rating. Sometimes we put ceramic beads on the leads to raise the resistors off the board to allow air circulation. Occasionally solder will break and the arcing at the leads adds to the heat. If you trace where the resistor goes by pin number of the tube and the type of the tube that would help me to help you... trace a matching tube to the same pin and you will likely find a matching resistor. Note that some power resistors DO change color a bit after they get hot in use, but if they char or the coating falls off that is a failure.

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1 Answer

Need Bissel 1715 wiring schematic. Charging circuit has burnt resistor. Need to know resistor details.


Can not believe NO ONE could answer this.

The R1 resistor basically drops the 9V to around 5V for charging the battery pack. The resistor is a 10 ohm , 2 watt resistor. The other resistor is 220 ohm. This only limits the current to the LED.

The 10 ohm resistor burnt because the battery pack was left to sit too long without use and charging. So the cells shorted causing excessive current through the resistor when you attempted to charge the batteries.

After replacing the resistor, you will need to replace the battery pack before charging. Otherwise, you'll just burn the resistor again.

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1 Answer

Resistor burnt up, inable to identify due to skorched bands


I have the same exact problem in a 12 volt Lincoln battery charger. Burned resistor in R5.

May 07, 2009 | Lincoln 14.4 Volt Cordless Grease Gun,...

2 Answers

Philco turntable cd with cassette player all i get is the cassette playing nothing else works where can i get it fixed here in washington state


just find a local electronic repair shop near you
look in the phone book for electronic /electronic repar shop
i have had to repair these before and the selector chip has failed because of a resistor letting to much current and voltage go into the chip , repair cost $40-$50 depending on the dammage

Oct 29, 2008 | Philco (R) Classic Turntable CD Shelf...

1 Answer

SAMSUNG HCM4215W Rear Projection HDTV shuts down


Low ohm resistors are open or poor solder connections on the bottom of a convergence IC.

You need to look at resistors in good light with magnifying glass. Bad ones may show as discolored or burnt.

The repair needs someone that has the schematic for the convergence cct, and can replace the burnt resistors or replace the whole convergence board.

http://calgaryconvergencerepair.weebly.com/index.html

If you are near Calgary, call me, if not, find someone that has done it before, preferably many times.

easyab

Aug 12, 2008 | Samsung HCM4216W 42" Rear Projection...

1 Answer

Samsung HCL5515w


Usually if some parts on the board burnt on that model it can be caused by leaky tubes. Meaning the coolant from the crt's has dripped out. If burnt components are beneath any of the tubes, inspect very closely for liquid substance having leaked down from coolant chambers above. If this has happened you must seal leaky gaskets before going through any trouble of pcb repair.If burnt parts are not below tubes, most common cause is bad convergence ic's. At any rate, service info avail online or at samsung.com or 1800samsung. Hope this helps.

May 29, 2008 | Samsung HCL5515W 55" Rear Projection...

3 Answers

Need resistor value for RK62 on DP2X board for 57SWX20B


RK62 is a 2.2ohm 1 watt metal oxide resistor hitachi part number 0700054M any 2.2ohm 1 watt resistor will work although it does have to be metal oxide(flame resistant) for safety purposes.

Mar 24, 2008 | Hitachi 57SWX20B 57" Rear Projection...

1 Answer

Green light constantly blinking. No image on the monitor. Burnt spot on circuit board by the heat sink. Need schematic to identify resistor to get replacement


Unfortunately, most consumer devices to not have freely available schematics. Plus, the chances of the resistor in question being the only faulty part is low, as something must have caused the resistor to be overpowered.

Mar 07, 2008 | Computers & Internet

2 Answers

Burnt resistors


Researching resistors---

What caused the resistors to burn?? Have you already fixed

that? If so, what exactly was it ???   let me know...T.

Oct 18, 2007 | Philips 60PP9352 60" Rear Projection...

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