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Searched for: mc74a pcb smps, Found: 187 lines
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Grundig RCD 1420 MP3I have a Grundig RCD 1420 MP3 portable hifi that keeps blowing the capacitor C926 on the rectifiter
replace ct301 on the colour decoder pcb with a 15pf 50v cap, applicable on pal versions of the set n

Toshiba 34HF85, M3U01T ChassisThis is a large CRT set assembled in 2005 which recently suffered a power surge. The set switches on
repairing dvd player p.sdear cam first of all inform about the type of power supply used in dvd player it will be either
Re: Curtis Mathis 32" TV runs for 4-5 minutes then poweyour problem can be due to a loose connection on pcb have it checked and servised also can be a prob
D28 BY299Thank you for everyone's help with this. I found the problem to be D28 being incorrectly oriented
Laptop LCD white!When I turn on my ASUS L2000 the screen flashes from black to white (when it should display somethin
[quote:4329f6d569="jts1957"]RESISTANCE across C32? Resistance on Pin 9 of CN2 the WIRE that connect
Sanyo CE29FFV2 low HT and voltages from associated windingsHi Chassis in this set is the 2114 EB5-C available for download from this site. HT is low, as
Re: Sony KV35v36 Picture Out Audio On[quote:56488ffca3="Vortex"]Hello, my Sony picture goes out every 15 to 30 minutes, but the sound sta
forget it, they are board level repair or mech complete. need to align with sharp service remote af
They were known for having bad conn on Eprom IC which will give the same symptoms OR it can be caus
LG Studioworks 775N / EV7001 (CA-65) doesn't startHi, I've got a problem on a LG 775N monitor. When I power-on the monitor, the power led goes
Main fuse blownTake a DVM and check for a short across "bridge diode" (or main filter electrolytic) (Q601
This link on page 8 pf the pdf, it is known as the "newer" revision powerwel SMPS. See pi
Dell D1626HT Sony trinitron monitor.. needs fix please helpokay. im a micro-electronic engineer student in australia and i'm trying to fix my friends monitor.
Yes there are free PCB software, Labcenter is one excellent design amongst others... the problem wit

First off you need a schematic. Raw PCB material that needs to be cut to the exact size, drawn up,si
Hi, U sure its the SMPS module faulty? There's power to the audio section of the board... :? Alth
repairiam getting problem with BPL MODEL DJR9530 SWITCHING PROBLEM IAM NOT GETTING OUTPUT VOLTAGES FROM S
Hi. Just found out that it is not actually the power supply that is faulty. Swapped it for another o
Help! MC Fazlow Atlantis / Soundland SLA-2754I Need schematic for Car Amplifier "MC Fazlow Atlantis", in PCB is say "Soundland SLA-2754"
I don't think the filter capacitors should be affected, it is more likely that the problem is leakag
where to find chipDoes anyone know where I an get a KA 3883 SMPS controller chip without buying 1000 pieces,or so? Al
Also if everything in the system was working correctly when it "died," then everything sho
Thank you vtech! I appreciate the encouragement. No, I'm not a dealer, I'm just a guy trying to
Sony AE5 Chassis Nightmare!Sony KV28FQ75A (AE5 Chassis). This set came in with a blown chopper IC and 0R1 resistor and blown
Re: Bosch Fridge/Freezer Not Working[quote="Anonymous"]I had this problem with my Bosch Fridge/Freezer. The compressor was rec
Re: Plasma TV Hantarex PDP42QV[quote:0aa0048ac0="mgmelettronica"]We need schematic of power pcb.Thanks![/quote:0aa0048ac0] hai tro
14PT1532 /94S ctv went off suddenly on service tablethis chassis uses MC44603 AP powersupply TDA 7056B audio TDA 8841 S1 signal processor v h

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