Questions tagged [replacement]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0
votes
2answers
43 views

Replacement for antique fan capacitor [closed]

Could anyone recommend a replacement capacitor for an sk, mp capacitor 2uf 350v?. This one was used as a starter for an old fan. Thanks.
0
votes
0answers
29 views

MSI GF63 8RC battery replacement [closed]

To sum it up: I have a MSI GF63 8RC laptop and I want to replace the battery. The problem is that I can't find the type of battery to buy in my country. The battery '' code'' is: BTY-M6K. I have done ...
0
votes
3answers
101 views

Replacing the capacitor on an old Philips amplifier

My Philips amplifier broke down (model FA153) and my friend told me it's likely the capicators have worn out (they were produced in West Germany ;)) I am quite the layman in electrical engineering, ...
-1
votes
1answer
73 views

Which nichrome wire would use to recoil this heater element

I need to re-coil this. Which nichrome wire would you use? This is a fan speed controller. For perspective the place width is about an inch and there are two plates with about 15 winds each. This will ...
1
vote
0answers
32 views

Replacing a Li-Ion battery with a capacitor and power supply in a bluetooth speaker

I have a Philips BT3500 speaker with a dead Lithium Ion battery. I want to be able to use the speaker without the battery - using just the power supply. It used to work for some time with the usb ...
0
votes
0answers
44 views

Replace capacitor with open circuit or short circuit?

We have this circuit, where potential difference between capacitor plates is zero, and no current flow through it too. So I want to draw a simplified version of this circuit where is composed of just ...
3
votes
2answers
77 views

Is a 2N3906 an appropriate replacement for a BC158(B) in audio amp circuit?

On a long but educational process repairing a vintage German stereo. I have identified a failed (shorted) PNP transistor in the power amp section. (Schematic with highlight is below.) The part on the ...
0
votes
1answer
60 views

Can anyone help to identify this blown MOSFET? Top markings seem to include F50, “ON” in a circle, 3N and “RE4T” in a circle

I am trying to repair a PCB out of the welder. One of the problems I have found is a blown MOSFET. I have tried searching for a replacement with no luck, as I don't have a complete code. I have posted ...
0
votes
1answer
63 views

How do I replace or fix this electronic chip? [closed]

I have a device that runs on a 3.8V Li ion battery. A few days ago it stopped working. I screwed it open, took out the battery, and could identify this seemingly fried (?) resistor on the PCB: Am I ...
0
votes
0answers
71 views

Trying to identify SMD with morse coded? markings

New here and first question: Any idea what this component is and it's specs? Markings look like morse code which reads "XTK" and what looks like .A. It is part of a circuit for LED, back lit, press ...
0
votes
1answer
49 views

Replace amplifier IC with a class D amplifier (AN7133N with TPA3116 board)

Today I received this nice 90's Panasonic RX-CT900 boombox in the mail. The specs claims it is 2x60W PMPO (PMPO b**llsh*t throw-of- a-cliff specification) but in fact it is just 2x5.5W RMS (...
0
votes
1answer
46 views

Replacement for E402/J402/LS3954 JFET?

I've come across old synthesizer schematics for an oscillator which makes use of a couple E402s. I am looking for a suitable replacement, and I don't think the specs have to be spot on at all, but I ...
0
votes
1answer
41 views

Removing single 1212 (3030) LED

Is there any way to remove and replace a single 1212 (3030) LED from a heat-sink board as shown in the images?
10
votes
1answer
1k views

Desoldering a through hole capacitor with weird terminals

Apologies in advance if this is the wrong place to post this question. So I've just RGB modded an old CRT TV, and now I'm trying to replace a series of capacitors to hopefully fix some screen ...
0
votes
1answer
67 views

Antenna connector placement

I am currently redesigning a PCB utilizing the Xbee 868 Mhz module with external antenna connection on the pad ( https://www.digi.com/products/embedded-systems/digi-xbee/rf-modules/sub-1-ghz-modules/...
0
votes
0answers
222 views

Battery Replacement - 3 pin Connector with 2 wire battery

I need help on using a 10k fixed resistor. I connected the red and black wire but I'm not sure what to do with the white wire. I know that this is for the thermistor. It is not charging if it is not ...
0
votes
1answer
30 views

Replace IRF7101 with IRF7301 power mosfets

I need to replace a burnt IRF7101 (datasheet link) power MOSFET. Is IRF7301 (datasheet link) a good equivalent replacement component? I cannot find the old one in any local store and I need it fixed ...
0
votes
2answers
51 views

Equivalent to AO7400A MOSFET

My Dell laptop (Inspiron 15 7559) has a dead AO7400A MOSFET, and I've been looking all over for a replacement, but with no luck. Does anyone know an equivalent to it, or maybe somewhere I would be ...
0
votes
1answer
69 views

Replacing momentary button/switch on monitor control panel

There is a button that toggle inputs on my monitor and the very thin top dome/bubble came off and not I can't really press it to work, though if I use a flat head screwdriver (the diameter of the ...
0
votes
0answers
30 views

ZXM61N03FTA as a replacement for Si1308EDL

I'm working on a e-Paper display driver. The reference design uses Si1308EDL as part of the boost converter. I'm sourcing the components from LCSC, but unfortunately Si1308EDL is not in their stock. I ...
0
votes
0answers
251 views

Replacing tip on Weller WHS40 soldering iron?

I've had Weller WHS 40 soldering station for some 20-ish years or so, used purely as hobbyist few times a year mostly for work on simple through-hole components. Lately, the (still original, never ...
2
votes
3answers
359 views

Replace/refresh 7 segment display of vintage 80's clock radio

Past two weeks working on this clock radio because I love the looks of it and it is also pretty rare (it must be restored in original condition or better). Fixed almost every non-working feature such ...
1
vote
1answer
197 views

Can a 74AHCT IC be a drop-in replacement for 74HCT IC

I have a circuit in which I interface a radio module running on 3.3V indirectly from a 5V supply. I use a regulator to provide the 3.3V module VCC and the data is exchanged between both circuits ...
0
votes
2answers
43 views

Echo in voice to the caller while receiver with headphone hving wire replace [closed]

Hi I just replaced the old wire in my headphone with new one.But while using headphone the caller hears the voices with his own echo but while me having headphone on has no issue of echo can speaks ...
1
vote
0answers
50 views

Why is my replacement triac not working?

I have a Hakko FX-888D soldering station which stopped heating the iron. I found out that the triac (which is a BTA06-600b) went bad so I went ahead and replaced it with a BTA12-600bw. It didnt work. ...
3
votes
2answers
285 views

Replacing smoothing capacitors in vintage guitar amplifier without datasheet

I'm in the process of servicing my Carlsbro stingray super combo amp and whilst disassembling I noticed that one of large caps (I assume smoothing) has started bulging and leaking. Ive tried ...
1
vote
0answers
45 views

How to safely replace NiCD/NiMH with Li-ion in a small electric screwdriver? [duplicate]

I'd like to repair and re-use a small Bosch electric screwdriver. It currently has a battery of 3 small AA-type rechargables (unmarked cardboard wrapping) that has almost the same occupancy volume of ...
0
votes
1answer
155 views

Replacing Projector Fan - Wiring Color

An old Sony VPL-CX11 stopped working because one of the fans (the lamp's one) was so rusty that couldn't rotate. In the front of the projector there are two fans, one for the lamp and the other for ...
3
votes
2answers
3k views

Replacing NiMH with Li ion [duplicate]

I have a rechargeable vacuum cleaner with NiMH batteries, 1800mAh and 14.4 volts, 12 cells. The charger is 18v 200mA. The batteries have now died. Can I replace the batteries with 4 cell Li-ion in ...
2
votes
2answers
830 views

RIFA PME271M547 replacement

I just broke my sewing machine (it's an old Viktoria machine about 30-40 years old) and now I am looking for a replacement safety capacitor. The one installed is a RIFA PME 271 M 547 paper capacitor. ...
0
votes
1answer
42 views

enc28j60 ordere wrong resistors

i prototype a small board with ENC28j60. Instead of 49.9 resistors I have ordered by mistake 47R ones, What do you think? will it work? It is only 10M ethernet
0
votes
0answers
44 views

SMD Detector Microswitch Replacement

One of my son's toys stopped working and I decided to jump in to see what was causing the problem. I found that a number of the smaller detector microswitches had their tabs broken off. Therefore ...
0
votes
1answer
157 views

78L05 as LM2931 replacement for powering 4XXX logic?

I'm building a project I got as PCB+panel, sourcing my own parts. It takes a clock buffered through CD40106 and runs a CD4017. The sequential outputs of the CD4017 create a programmable sequence of ...
0
votes
1answer
93 views

Determine a suitable replacement battery cell for an obsolete product?

A friend of a friend of mine has a prosthetic knee that was developed in 2010 which requires battery packs that are being phased out. He has asked me if there is a way to replace the internal ...
0
votes
1answer
50 views

Replacement part for MAX407 op amp [closed]

Electronics noob here. I need to find a replacement part for a MAX407. I am assembling this circuit and the shop I'm buying from doesn't have the MAX407 op amp in stock. Since I don't understand all ...
1
vote
2answers
761 views

Replacing a safety capacitor

one of my electronic appliances has stopped working after several years of use, it is definitely beyond the warranty period however I've been unable to find any more recent appliances that beat it. ...
7
votes
3answers
2k views

Fuse 125V/4A can be replaced with 250V/4A?

I want to replace a blowed fuse 125V/4A but it is rare to find them. Can I use instead a 250V/4A ? I read at https://www.mojotone.com/support/Knowledge-Base/Is-it-ok-to-replace-125v-glass-fuses-with-...
0
votes
2answers
69 views

Help identifying replacement regulator

I'm doing some proactive maintenance on a vintage games console from the late 70s. There are a couple of linear regulators which I thought would be prudent to replace whilst I'm at it. Unfortunately ...
0
votes
1answer
145 views

Factors to be considered while replacing dead cells with a new 18650 Li-Ion cell in a Laptop

I am currently using a Lenovo Z50-70 laptop. My battery condition is very poor and it lasts for only 20mins. So I decided to replace the dead cells inside the laptop battery on my own. My Laptop ...
0
votes
3answers
97 views

Is there a 74HCT03 equivalent I can just replace “as is” [closed]

Is there a 74HCT03 equivalent I can just replace "as is"? Of course, it will be better to buy the same exact chip reference but is it always the case? Many chips are equivalents pin-to-pin, right? ...
1
vote
1answer
4k views

Can I change a capacitor with one with a higher capacitance?

Hi I have just joined after lurking a lot because I haven't found an answer that was specific enough for me. I have a Soviet synthesizer (TOM 1501) and it has some odd defects such as clicking noises ...
1
vote
1answer
317 views

Voltage regulator replacement

I have a gadget (a Sonar) that stopped working (doesn’t respond to power on, power led does not turn on) and opening it to look for the typical signs of failure I see an L7818 voltage regulator in TO-...
0
votes
1answer
97 views

Replacement IC for CD4054 [closed]

I'm looking for replacement IC for CD4054, but I can't find any other part that would work like CD4054 in level shifting. What I would need (from CD4054 description): The CD4054B may also be utilized ...
1
vote
1answer
4k views

Is it safe to rebuild my laptop battery pack? [closed]

this is my first question on this website, so please excuse me if I did not follow the guidelines correctly. I have an Alienware 17 R1 (2014) and have been looking into rebuilding its laptop battery ...
-3
votes
3answers
298 views

replacement of JCS2N65F TRANSISTOR MOSFET REGULATOR FOR TV HAIER [closed]

What is the Replacement of JCS2N65F TRANSISTOR MOSFET REGULATOR FOR AFTRON TV HAIER we are in Afghanistan I attempt to much to find but I am failed?
-2
votes
1answer
3k views

Replacement of li po battery with li ion battery [duplicate]

Is it possible to replace a battery for headphones? I would like to replace a 052030 li po battery with a Nokia BL-5C Lithium Ion battery. The li po battery is rated at 130 mAh with 3.7v. The Lithium ...
0
votes
1answer
398 views

Could I replace headphones NIMH battery with Lithium Ion phone battery of the same voltage?

Is it possible to replace a battery for headphones? I would like to replace a 052030 li po battery with a Nokia BL-5C Lithium Ion battery. The li po battery is rated at 130 mAh with 3.7v. The Lithium ...
0
votes
2answers
95 views

Replace lamp in old amplifier

I am trying to replace a fried lamp in my very old amplifier (a Dual CV 1280 Integrated). As I essentially only use the mode that is indicated by the fried lamp, I thought I could just switch it with ...
0
votes
2answers
53 views

Replace in-series incandescent lamps in a makeup mirror with LEDs

This is my first post here. My wife uses a makeup mirror which has 10 x BA9s in series. Each lamp is 3W 24V and since we are in Europe they run on AC 230V nominally (reading off a multimeter is ...
1
vote
1answer
198 views

Replacing half wave tube rectifier with capacitor diodes in series

I am very inexperienced. I am a HAM, I just got a HA-10 amplifier that has been modified. The half wave tubes were replaced with a string of Z5U .01 ceramic caps in parallel with 1M ohm resistors ...