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57 Threads found on edaboard.com: Repair Pcb
Hello! I tried to repair a broken circuit board of TV IR sensor. I need a circuit schematic of pcb IR 17LD57-1 240706.(TV Vestel,mainboard 17MB24-1 160606) Please help.Thanks in advance.
What are your recommendations to repair these gold contacts on the bent pcb? The card was intentionally bent with pliers. It's just that the gold contacts are bent so the card won't fit into the slot and the the pins can't read the contacts. I would like to keep as much of the original board as possible thanks for suggestions. See card h
Here have some measures, please check whether are right? If have better measures, please advise. 1. Exposed copper: There is no timely processing out of oil area; 2. Not balanced IC Sn surface: Don?t carefully checked IC area after Hot Air Leveling; 3. repair: Worker single-handedly take-off and release board to make boards overlap each other
Do you have trouble placing some fine pitch or difficult components? Do you need help assembling your recent pcb project? Have you run into a component that you cannot install yourself? ProTronics Inc is a quick turn pcb assembly company that has been in business 23+ years. We specialize in pcb assembly, (...)
Hello wonderful electronic folks, I'm a achoolteacher who was recently gifted a Realistic Color Organ. It's a really cool thing but alas & alack, it lights up but doesn't respond to sound at all (the lights are supposed to change with the music). I saw this years-old thread & thought someone might be able to help a desperate schoolteacher! Th
Hi Gurus, I have a problem and I need help. I have a touch cell phone and LCD is not working. Some times LCD show display but most of the time it display nothing but even with no display, the touch is working. For example, I can pick the call by swiping the blank screen. I have checked the connection of LCD flex pcb to the main board LCD c
The best way to request from R&S because they have probably used custom diodes/semiconductors and it's not possible to recover the pcb layout.But R&S will want to repair at their labs. and it will cost you much sure...
Hello, I am trying to repair a Philips power board, it has some problems with its LED indicator, but it is not the point of this post. When I open the shield, I find a little pcb with some discrete components on it. I guess its usage is to inspect the polarity of socket voltage and indicate the condition of lightening-proof. The picture follo
The heating element appears to be open circuit, is it time to repair? Too much voltage applied? Remember 2x Vac results in 4x power.
Hi guys... I'm a freelance Electronic Design Job :Analog or Digital,pcb design,kit,repair,etc be guaranteed,low cost... For interested PM me thx
This codes depends from manufacturer. Non standard codes. :-( All manufacturer use own codes. Try to find smd marking codes or refer the repair manual.
What are the things to be noted for a repair technician in replacing a mosfet from a pcb ?
Our service items: 1: Circuit design and modification 2: pcb proofing and production 3: Procurement of electronic components 4: pcbA model of welding and batch welding. 5: BGA welding, ball, repair Detailed information can enter our website,If you have any questions, please feel free to contact us, we are the first time to give a (...)
Here is another series by PACE on rework and repair of electronic pcb's. Lesson 1 Lesson 2 Lesson 3 Lesson 4 [URL=
I recently found several old PC power supplies thrown away by someone. I hooked them up and measured its output voltages without load and they gave me very low voltages... 3V in the 12V line 1V in the 3.3V line for example, was one of the PSU´s :shock: So i went on and tested the basic components, fuse, capacitors, transistors, etc... B
Hello thermocoffee, yes, the card is fried. Before you try to repair it, try to get support from the manufacturer of this card. Maybe he will change it by warranty or repair it. It's not easy to repair it yourself, if you have no experience to do it. I think it's a multilayer card. You don't know the reason, why it is burn out. The (...)
In file menu there will be repair database. Try repairing your database and check whether you could able to generate report.
Hi all, I would like to repair jungheinrich efg430 forklift interface controller but there is tms320lf2407a in the card(on the pcb) I want to copy to my pc and reprogramming to another(new) tms320lf2407a. How can I copy the program in tms320lf2407a
If applying pressure changes the problem it is almost certainly either a cracked solder joint or a fracture in the pcb. What you have to do is open it up, find the fracture and repair it. If it's a solder joint, just reheat it until the solder flows again, if the board is cracked (look around screw mounting holes where the board is weakest) you ne
i recently acquired an intermittently working LEADER LDC 824 frequency counter in a deal that is hard to resist (reads from 10hz to 520mhz) sometimes it works (reads frequency) after 20mins warmup, sometimes after an hour other times it wouldn't work even after 2hours warmup time. Also at times it works even when the set is cold then suddenly st
By using a hot air tool with carefully adjusted temperature. Preheating the board from the bottom would be advantageous. Porofessional repair stations have the feature.
Visit the following link. There are many circuit schematics available and if you do not find your models request for the same. Service Manual free download,schematics,datasheets,eeprom bins,pcb,repair info for test equipment and electronics
:-D Lovely decision. If you do afford to replace it that has no comparison as the time is more effective in other departments. If there is no High Voltage present this Blinking LED indicates it and the CPU locks the power to many circuits. If there is no input to 7805 then the main power circuit gone dead and if input is there and no out from 7805
Here is the service manual. You can download it: Service Manual free download,schematics,datasheets,eeprom bins,pcb,repair info for test equipment and electronics
Avaiable in sixteen parts, Tektronix 2430A Service Manual free download,schematics,datasheets,eeprom bins,pcb,repair info for test equipment and electronics
Dell Inspiron 9400 Service Manual free download,schematics,datasheets,eeprom bins,pcb,repair info for test equipment and electronics
Hi, Download here: Service Manual free download,schematics,datasheets,eeprom bins,pcb,repair info for test equipment and electronics Good Luck
Hi, Try the following link to search. If not available post the request. Service Manual free download,schematics,datasheets,eeprom bins,pcb,repair info for test equipment and electronics Good Luck.
Hi, Please try the following link to search in their Copiers section or post the request for. Service Manual free download,schematics,datasheets,eeprom bins,pcb,repair info for test equipment and electronics Good Luck
Hi ggolf, Try the following link : Service Manual free download,schematics,datasheets,eeprom bins,pcb,repair info for test equipment and electronics You can search here or post a request for. Good Luck :smile:
Hi, Try the following link: Service Manual free download,schematics,datasheets,eeprom bins,pcb,repair info for test equipment and electronics You can search here or post the request. Good Luck
pcb repair Kits, Printed Circuit Board repair, Printed Circuit Board repair Kits pick some copper tape about the same width as what fell off. It has sticky backing.
Have you tried TV repair shops for second hand tuners. Here in Mumbai there is some chance you might find a used tuner from repair shops. BTW what is the part number of the Tuner.
We are SMT assembly manufactory ,have 4 SMT mounting lines, 4 DIP assembly lines, 2 testing lines, 2 repair lines. can provide OEM/ODM for your pcbA project. Welcome you to visit our manufactory . Sincerely, Thanks & Bst Rgds! AndyChu/Sales manager Toposen international electronic ltd ?????|BGA|BGA?|BGA|SMT?|SMT
Clothes still come pretty clean, but the spin cycle leaves them too wet. You can hear water sloshing around inside when a load is done.
Hi! The picture I've posted with this post shows part of a defective Body Control ECU from a Rover 75 2.0 CDTi, which I'd like to draw out with a view of attempting a repair, but as can be seen most of the pcb is coated both sides with a hard red goop of some sort, which I've seen on Car Electronic Assemblies before!!! Can anyone offer any s
here it is ... regards, HAMEG 203-7 Service Manual free download,schematics,datasheets,eeprom bins,pcb,repair info for test equipment and electronics
I've been asked to repair a switch mode battery charger (24V 25A 240V). Not worked on switch mode before On looking inside I can see that there a 2 components marked on the pcb VAR1,VAR2 which have blown, Luckily there is a bit left which has some writing on it ZNR V14241U I've tried to find a data sheet on it so I can cross refernce it to get an
I have a 2465 Tektronix oscilloscope with the following problem: in the bottom of the screen shows a row of dots. As many know, the manual says they are due to an error in the calibration constants are stored in the EAROM. As I set out to work, to recalibrate. I had no problems with CAL-01, CAL-03 and CAL-04. However, I can?t complete CAL-02 (VERTI
Kenwood VR410 Service Manual free download,schematics,datasheets,eeprom bins,pcb,repair info for test equipment and electronics
You can download the service manual: Service Manual free download,schematics,datasheets,eeprom bins,pcb,repair info for test equipment and electronics Meanwhile, the other functions work? And you can check begin the ; 1- Regulator voltages, 2- Display voltage 3- Display driver voltage 4- Driver xtal check
multipart Philips 42pf9945/12 Service Manual free download,schematics,datasheets,eeprom bins,pcb,repair info for test equipment and electronics
Re: Acer AL1716 dual repair manual
I am trying to identify a FET or perhaps transistor that is used in the Eflite Blade mcx 5-in-1 controller. I fried mine the other day and want to see about finding a replacement set for future use and possibly to repair the one I damaged,, thouh I suspect it is useless as the pcb is fried and a trace lifted also...;) all by itself! This part i
When repairing pcb of different designs or modules If you find alot of 1/4 watt resistors burnt , some repair tech. will change the 1/4 resistor to 1/2 watt resistors so they won't get burnt up again so they can handle more current, but now the 1/2 watt resistors can handle all these extra current and voltage but now further down the (...)
Vias are necessary when you can fabricate more than one layer and you have a complex design. However, vias are hard to test and repair, unlike a trace. In high freq circuits, Vias also act as capacitors, leading to power loss.
Hi! I would have a questions to you! I am familiar with electronics but when answering please take into account that i never worked with TVs before! So my question is about TV failure. My TV is a Sony Trinitron,its about 14years old.Once it has the problem that the vertical image got contracted(thin horizontal line at the center of screen). Th
Dear sir/madam KLKJ TECHNOLOGY CO.,ltd is professional in repairing pcb Drill or router spindles e.g. Excellon, Hitachi, Jaeger, Pluritec, Posalux, Precise, Westwind?backed by technical personnel and advanced series test equipment such as run out, balance equipment... KLKJ also have successfully produce air bearing or other parts whic
hi Lukasinho, I have the micro series service manual(pcb repair MANUAL with explane of all the problems and test procedures) but dont have the schematic ,pls tell me the problem maybe i can help u.
hi Lukasinho, I have the micro series service manual(pcb repair MANUAL with explane of all the problems and test procedures) but dont have the schematic ,pls tell me the problem maybe i can help u.


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