Questions tagged [replacement]
The replacement tag has no usage guidance.
0
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0answers
28 views
Help identifying LCD
I have an LCD from some farming equipment that I need to replace as it is not working but I am having trouble identifying a potential replacement part.
I have tried googling part numbers but with no ...
0
votes
1answer
26 views
Help finding a replacement varistor
Hello, I’m having problems trying to find a replacement for this burned out Mov.
The only details I can read off the picture are 05D391k (no manufacturing detail or logo to trace)
It is part of a ...
0
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1answer
33 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
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0answers
37 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
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1answer
61 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
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1answer
78 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
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1answer
41 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
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2answers
120 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.
...
6
votes
3answers
844 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
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2answers
59 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
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1answer
58 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
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3answers
89 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? ...
0
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0answers
17 views
With what can I replace power supply Foshan Hanyi S126SMD3 [duplicate]
I have an infrared sauna and it seems like the power supply is broken. I want to replace it, but it's really hard to find the original one:
Foshan Hanyi S126SMD3
http://www.zidonghua.com.cn/...
0
votes
1answer
261 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
174 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
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1answer
70 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 ...
0
votes
1answer
1k 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
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3answers
152 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?
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1answer
1k 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 ...
-1
votes
1answer
225 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
74 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
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2answers
49 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 ...
0
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1answer
108 views
Replacing half wave tube rectifier with capacitor diode's in series
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 and ...
3
votes
3answers
2k views
Replace BSS138 with AO3400A in level shifter circuit
I have to use level shifter circuit to interface MAX31855 with Arduino running on 5V.
I found easy to build level shifter circuit at SparkFun website. It is using BSS138 (datasheet) which I don't ...
1
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0answers
257 views
Help needed with over discharge circuit on LifePo4 12V car battery replacement
I'm putting together a LifePo4 battery pack with the intention of replacing the 12V lead acid battery in my 4WD.
So far, what I've got is the following.
4 x 10 Ah LifePo4 batteries (38120 Headway) in ...
3
votes
2answers
271 views
Looking for replacement or datasheet of this component
I have a burned diode. (I fortunately found an exact same component in the circuit elsewhere to take a photo.) It says 132Y or ...
0
votes
1answer
79 views
Replace button by a component/circuit in 555 diagram
I need your help im crazy with this, i already tried many ways to do it, i need to replace the push button in this circuit by a component or circuit to be activated for a signal of 5 v such as a ...
0
votes
1answer
229 views
Swapping old capacitors for modern caps
I am trying to repair/refurbish an old Farnell L30d power supply, 0 - 30v and current limiting to 2 amps.
There are two caps inside, one of which has blown. The caps are Hunts 3132A. Hunts no longer ...
0
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1answer
125 views
Help looking for an 220V AC transformer replacement [closed]
My old Philips MC-M250 stereo transformer has died after a power surge. I can't find spares so I'm looking for some compatible replacement.
I found a power board circuit in the service manual.
AC is ...
2
votes
2answers
160 views
Need help identifying this fuse resistor
(hobbyist here, go easy :P)
Due to a loose wire hitting something, I busted my 12v 3.2amps 38 watts PSU and the magic smoke came out. Apparently a fuse popped and ...
1
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2answers
62 views
shift whole design in Xillinx FPGA
How can I shift whole my design using ISE(FPGAditor,plan ahead,..) to new placement?
I want to no change in routing but change only in placement.
Thanks.
0
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2answers
2k views
Is it dangerous to continue to remove a slightly punctured phone battery?
I have been trying to replace the phone screen on a Galaxy S7, and therefore had to remove the battery in the process. While doing so, I saw a tiny spark and felt a weird smell. I can't see any damage ...
8
votes
2answers
779 views
Can I fix my monitor? [closed]
I have a monitor that is no longer working. It had an intermittent problem where it would go "pop", the black out for a little while, then come back on. Then recently it went "POP" a little louder, ...
2
votes
1answer
105 views
How to replace TTL PROMs in a design operating at 20MHz
I am attempting to come up with a reasonable way of implementing a design that was intended for cheap computer applications in the 1980s and which was originally designed to use a pair of TTL PROMs (a ...
0
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1answer
50 views
Can I replace a NUP2105L voltage suppressor with a NUP3105L?
Someone gifted me a device to read electronic control units from cars and trucks. They gave it to me because they don't use it and they have also removed some components from it to fix another device.
...
0
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2answers
1k views
Finding replacement for transistor, what to look for [closed]
I have a schematics that uses the BS270 FET transistor, but I want to know what to do if one is not available or one wants to adapt the schematics to a different transistor
What quantities should I ...
1
vote
2answers
845 views
Replacing cells in laptop battery
I successfully opened the battery of my laptop without damaging the case, and now, I want to replace the worn out batteries (2600mAh) with more powerful ones (3200mAh).
I know the risks of working ...
2
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2answers
538 views
High bitrate IR receiver (TSOP7000 replacement)
After a many days of research I turned to stack overflow once again to help me.
I'm looking for High speed IR receiver circuit for laser-tag weapon. Requirements are High noise cancelation, high ...
-2
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2answers
88 views
Hyperfast Recovery Diodes replacement [closed]
Can I replace one RHRP15120 diode with two U1560 DIODES IN SERIES used in an inverter filtering circuit without affecting the behavior of the circuit?
3
votes
2answers
202 views
Advice to replace a discontinued battery [closed]
I'm looking for advice to how to replace a Duracell TR163 mercury battery in an old synthesiser I have (Oberheim OB-1 if anyone is interested). The battery is no longer available, at least not in the ...
1
vote
1answer
150 views
What equivalent series resistance (ESR) capacitor should I replace bad one with?
I've got a bad clock capacitor in my original xbox that I'm trying to replace. It's a 1F 2.5V cap however, I'm not sure what Equivalent Series Resistance (ESR) the new cap should be. I see they sell 1 ...
0
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0answers
70 views
What comparator is compatible with OPA2132?
I've designed a circuit but realized now - when the 200+ boards finally arrived - that I've made a mistake.
Long story short: I made the prototype on a breadboard, using OPA2132 (because that's what ...
3
votes
1answer
845 views
Looking for a suitable transistor for a simple circuit - 50 y/o Junghans clock repair
Trying to find if there is a suitable commonly available replacement transistor for a small circuit card on a Junghans W.707 clock movement (about 50 years old)
Here's a picture of the whole thing ...
0
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0answers
419 views
How to identify replacement transformer?
I have a DVD player that is apparently working fine but the power supply makes a loud whining noise. The noise comes from, or from very close to the transformer. Upon close inspection, I see that ...
-1
votes
2answers
665 views
Can I replace 820uF 250v with 1000uF 200v capacitor [closed]
I have 820uF 250v two capacitors in my power supply board. Its not working correctly and giving low voltage in the following form
Expected voltage - Getting voltage
24v to 23.2v
12v to 11.4v
5v to 4....
0
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0answers
90 views
Mysterious component uniting separated Grounds
I can't find a datasheet for this component, i've looked everywhere...
RA20 66DR (could be RA2D or RA2O, same results, no datasheets..)
This little fellow is cracked and its DC resistance ...
5
votes
2answers
544 views
Replacing an old capacitor
I've managed to blow a capacitor while doing maintenance on my 1967 electric organ. It's a 80uf 25V. I've done some searching and found that I can replace it with one that has a higher voltage rating ...
0
votes
2answers
433 views
Looking for a replacement part; need help finding from photo [closed]
I blew out a part in my dad's Fender Chorus guitar amplifier several years ago. I didn't ever get around to fixing it for him, no clue why, but I really should.
Problem is I can't find this part or ...
0
votes
1answer
129 views
Having a hard time identifying some FET's in a blown amplifier [closed]
I'm trying to repair an amp thats protection light stays on full time. Using the a multi meter I've determined the problem to be 2 large FET's on the power supply side of the circuit and 2 smaller ...
2
votes
5answers
1k views
Replacing RJ45 connector with another type connector
I am looking for a replacement for an RJ45 panel mount connector. Can I use any standard connector (picture below) for connecting Ethernet networks?
I know about cable impedance matching but I was ...
