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Stereo repair ; Audio repair; Radio repair at home easily; Learn Electronics part 1 

LearningZone
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Here in this video I am going to repair a cassette player. As these audios are not common now a days but still they are used as radios. Here I am attempting one as troubleshooting and repair example. One of my very nobble friend Mr. Arshad from Hafar al Batin demanded to demonstrate electronics repair video. So this two parts detailed repair series is dedicated to him and other friends who are looking forward to electronics repair and troubleshooting videos. Keep up watching second part also for complete understanding. Also give your kind commnents and suggestions. This procedure applies to many audio equipment like Acoustic Energy audio equipment. Acapella Audio equipment repair. Accuphase audio equipment maintenance. Acoustic Research audio equipment repair. Acoustic Zen audio equipment repair. Acurus audio equipment repair. Adcom audio equipment repair. Aerial Acoustics audio equipment repair. Aesthetix audio equipment repair. Alpha-Core audio equipment repair. Ambiance Acoustics audio equipment repair. AMC audio equipment repair. Anthem audio equipment repair. Antique Sound USA audio equipment repair. Aragon, Aerial, Arcam, Ashly Audio Inc, Atma-Sphere Music Systems, Audio Artistry, AudioControl, Audio Note - UK, Audio Note, Audiophile APS - PurePower, AudioQuest, Audio, Research, AudioSpace, Audiostatic, Audio Valve, Audio by Van Alstine, Audire, Avalon Acoustics, Avantgarde, Ayre Acoustics, Bagend, Balanced Audio Technology, Bang & Olufsen, Basis, Bel Canto Design, Beauhorn, BGW, Billy Bags, B&K, Blue Circle, Bluenote, Bolzano Villetri, Boulder, Bose, Boston Acoustics, Burmester, Bryston, B & W, Cabasse Electroaccoustique, Calix, Canton, Cambridge Audio, Cambridge SoundWorks, Camelot Technology, Canare Corporation of America, Cardas, Carver Corporation, Cary Audio, CAT, Chang Lightspeed, Channel Island Audio, Chord, Ciamara, Clark Synthesis, Classe Audio, Clearaudio, Coda, Conrad Johnson, Continuum, Creek Audio, Crown, Dakiom, Dali, Daniels Audio, darTZeel, Day Sequerra, DCM Loudspeakers, DCS, Definitive Technology, Denon, DK Design, Dolby Laboratories Inc, DEQX, Dulcet (Swan), Duntech Speakers, Dynaudio, Earthquake, EAR USA, Echo Busters, Edgarhorn, Edge Electronics, Eggleston Works, Elac, Electrocompaniet, Electrovoice, ELP (Laser Turntable), Eminent Technology, EMM Labs, Energy Loudspeakers, Equitech, Evolution Acoustics, Ferguson Hill, Fidelity Acoustics, Final Lab, Florence Audio, FM Acoustics, Focal/JM Labs, 47 Labs, Fosgate, Fried, Furman Sound, Furutech, Gallo Speakers, GamuT, Genelec, Genesis, German Physiks, Gershman, Gillmore Audio, Goldmund, Graff, Grace, Graham Engineering, Groove Tubes, Gryphon Audio Designs, GTE Audio, Hafler, Hagerman, Halcro, Harbeth Acoustics, Harman/Kardon, HeadRoom, Herron Audio, HigherFi, Hovland, HSU, Huff, Hyperion Sound, Infinity, Innersound, Integra, Intuitive Design, Isophon, Ivie Technologies, Ixos Cables, Jadis, Jamo, JBL, JBL Pro Components, Jeff Rowland, JMlab, JOB,
Jolida, Joseph Audio, Joule Electra, JPS Labs, JVC, KEF, Kenwood, Kharma, Kimber Kable, Kings Audio, Kirksaeter, Klimo, Klipsch, Klyne Audio, Kora, Krell, KR Audio, Koss, Kuzma, Lamm Industries, The Lars, Legacy Audio, Lehmann Audio, Levinson, Lexicon, Lindemann, Linn, Linn Audio of New Hampshire, Lowther, LSA Audio, Lumen White, M&K Sound, Madrigal, Magico, Magnepan, Magnum Dynalab, Manger, Manley Labs, Marantz, Mark Levinson, Mark & Daniel, Mapleshade, Marten Design, Martin Logan, mbl of America, McIntosh, McCormack, Melos, Meridian Audio, Mesa Engineering, Metaxas Audio Systems, Mirage Loudspeakers, Mission, MIT Cables, Mondial Designs, Monitor Audio, Monster Cable, Montana Speakers, MoonAudio, Mordaunt-Short, MSB Technology, Music Metre Audio Cables, Musical Fidelity, NAD, Nagra, Naim Audio, Nakamichi, NEAR, Nearfield Acoustics, NHT, Nirvana Audio Accessories, NOLA, Nordost, Nova, NRS, NTT AudioLabs, Nuance, NuFORCE, OHM Acoustics, Oracle Audio, Ortofon, Onkyo, Outlaw Audio, Overkill Audio, Paradigm, Parasound, Pass Labs, Pathos, PBN, Peak Consult, Perreaux, Phase Technology,
Philips, Piega, Pioneer, Plinius, Polk audio, Polyfusion, Proac, Proceed, PS Audio, PSB Speaker Systems, PurePower, Purist Audio, QLN, Quad, Quest, Quintessence Acoustics, Quicksilver, Raidho / Eben, Red Rose,
and many more.

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3 апр 2016

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Комментарии : 59   
@viewer54322
@viewer54322 5 лет назад
I have no problem understanding you. Very good english, very good info! Thank you sir
@kalishthamilselvan2888
@kalishthamilselvan2888 6 лет назад
Thanks so much!!! I wasn't expectimg you'd have the same radio as mine... its perfect!
@MDISLAM-sd7ot
@MDISLAM-sd7ot 4 года назад
Kalish Thamilselvan same have me now. Still working
@stuzman52
@stuzman52 8 лет назад
Very nice find on the B+ voltage being missing on the audio chip. Onward to part 2...
@davidvegas6112
@davidvegas6112 4 года назад
I'm not sure but ,if anyone else is searching for electronic repair center try Saankramer Electronic Magazine System (should be on google have a look ) ? Ive heard some great things about it and my brother in law got great results with it.
@dennisrollo6183
@dennisrollo6183 5 лет назад
no magic.purely electronic repair.nice.more english videos.please make video on how to repair any audio amplifier and classic radios,cassette,dvds and any electronic appliances,chargers,anything that has electronic.thanx.
@Kennynva
@Kennynva 6 лет назад
I built a AF RF signal injector probe to check around the board...to find something active...I would start at the volume control on the 3 connections..then work my way back to the speaker..the probe is very easy to build..I used a computer speaker/amp and put a capacitor and GERMANIUM diode inline with the probe, and that is what I use..just connect a ground anywhere on the radio...and probe around with the RF probe's positive side..
@latheenazal8653
@latheenazal8653 4 года назад
Thanks sir
@lotsoflaughs1175
@lotsoflaughs1175 4 года назад
I have a Sony CFM-140S. I followed your (well explained) guide and it turns out my problem was with a blown fuse. Put a new one and it works!
@JahanZeb1976
@JahanZeb1976 4 года назад
It's great that my tutorial worked for you. Hope you learned a lot in the repair process. Electronics repair process is sometimes enjoyable and pleasure given.
@oldguy8177able
@oldguy8177able 3 года назад
yes good video
@palapartimvijayasujan8215
@palapartimvijayasujan8215 4 года назад
Super explanation sir Love you🥰
@JahanZeb1976
@JahanZeb1976 4 года назад
Thanks for your valued comment. Stay tuned and blessed.
@karthikb8561
@karthikb8561 5 лет назад
Sir I have sony cfx b5s model radio,it seems to have input to amplifier and even the PCB is looking fine but it doesn't tuning any stations.please sir can you help me?also I am receiving AM but no FM why?
@xolove3435
@xolove3435 2 года назад
hi! I'm trying to figure out how to remove the radio on a battery-operated mini portable CD player. Any help by any chance? CD player has 1 blue 1 red, 1 white, 1 black, and two brown wires inside. I don't know if that will help.
@nalayaksv3972
@nalayaksv3972 3 года назад
Please tell how to fix electronic radio automatic switch off problem
@mcdus78
@mcdus78 5 лет назад
Boss I recently purchased a Geepas GR6842 10-Band Radio. The sound is good for talking but for music, it lacks bass. Please tell me if I can replace a good speaker with good bass. If yes, what type? I hope to receive a reply thanks!
@JahanZeb1976
@JahanZeb1976 5 лет назад
Thanks for your comment. Unfortunately these small radios has low capability and poor output response. Reason for that is poor quality speaker and poor design amplifier in them. Also you can't enhance their response as your replacement speaker will have the same quality and amplifier you can't change the circuit design. Best wishes.
@mcdus78
@mcdus78 5 лет назад
LearningZone I see. So I am stuck with the internals of the radio forever😄 Anyway, I guess you right because I bought it for a cheap price. Thank you boss! I really enjoyed your videos. Cheers!
@a4audiophile92
@a4audiophile92 5 лет назад
Your english is very nice
@JahanZeb1976
@JahanZeb1976 5 лет назад
Thanks. Many like you said the same. But this is not an English class! Did you learn something of which you came on this video?
@Kennynva
@Kennynva 6 лет назад
I plug in some headphones to test the radio out...
@JahanZeb1976
@JahanZeb1976 6 лет назад
Your way is great!
@zx8401ztv
@zx8401ztv 8 лет назад
I did notice that you set the voltage selector back to 240v, but you jumped to taking the radio apart first, how confusing :-/ I would have put the multimeter across the mains socket and see if the low resistance of the transformer primary winding still exists, i would expect it to be open circuit since the voltage selector was wrong :-(. Did you do this test before the video? Sometimes the primary winding has a fuse under the top insulation, hopefully that popped and saved the primary. National made some good equipment, i had a small tv that lasted donkeys years ;-D
@JahanZeb1976
@JahanZeb1976 8 лет назад
+zx8401ztv You noted very right sir. This was the case and I didn't test it yet. But I was sure about the power supply bad health due to wrong voltage selection as well as a piece of cable coming out of the batter compartment. I guessed that when the power supply went bad, the owner with a little electrical knowledge; or seek help from some one and fixed the cables to battery compartment and was bringing it back to life using external power from some cell phone charger or some other source. This would be time of blessing for him when he brought it back to life! But the joy didn't remain for ever when he or his belonging tried to connect it in reverse. The circuit board got damaged and then it became useless for the owner. That was a time of blessing for me as with that defect I became the second or whatever number owner for this audio! The second part of the video will cover its further diagnostic and repair. I fixed same kind of power supply from one same machine with much more defects but with good power supply. I will bring some time the defective power supply and will do it in front of camera as it would be helpful for some newbies in the field. I am sure you understood the defect and propose possible repair also in your mind using your conjuring magical skills! As by God grace you are a rock of knowledge and a real wise man ever! May you live long and always in good health! Regards,
@zx8401ztv
@zx8401ztv 8 лет назад
+LearningZone LOL im just another human, not wise, not magical, i only know so much, i learnt from taking things apart and making sense out of the building blocks and patterns of electronics. I really only know enough to repair ordinary electronics, you are far smarter than i will ever be, You just havnt realised how valuable you really are :-). You can wrap your mind around engine management sensor outputs and make sense out of them, you rewound that motor and it looks new and professional, switchmode power supplys dont stand a chance against your cleverness :-), car repairs are easy for you. You cope with many things and win with your repairs :-D, you are so clever, i enjoy your abilitys and learn from them :-D.
@user-up8cv8fw1i
@user-up8cv8fw1i 4 года назад
Thank you sir. Can I get email address from you to ask some questions on similar issues?
@JahanZeb1976
@JahanZeb1976 4 года назад
Yes this is geoharzaman@gmail.com
@user-fm1ho6xb5b
@user-fm1ho6xb5b 6 лет назад
انا عنده واحد زيه بيعلي ويوطي لوحده اوقات مش في صوت
@mhmdsayd4161
@mhmdsayd4161 5 лет назад
عندى زيه صوته فى وش ايه الحل
@kokleongho1275
@kokleongho1275 4 года назад
Hi I have sony radio power is working but no sound ,initially there is sound slowly the sound become soft then die off.Pls advise.thanks
@JahanZeb1976
@JahanZeb1976 4 года назад
It needs step by step troubleshooting to figure out the defect.
@kokleongho1275
@kokleongho1275 4 года назад
@@JahanZeb1976 usually what happened? Thanks
@kumarmann5405
@kumarmann5405 4 года назад
Sir i have a old cassets player and radio player videocon rt mf 12 please replay can you repair
@JahanZeb1976
@JahanZeb1976 4 года назад
Yes. But where are you from? And how could you send it to me?
@kumarmann5405
@kumarmann5405 4 года назад
@@JahanZeb1976 sir i am from up kushinagar and u
@JahanZeb1976
@JahanZeb1976 4 года назад
@@kumarmann5405 from Pak. I think it will not be possible for you to send it to me.
@kumarmann5405
@kumarmann5405 4 года назад
@@JahanZeb1976 yes u are right thanks
@newvideos4034
@newvideos4034 5 лет назад
how many waat in this radio speaker
@engineerkohat
@engineerkohat 5 лет назад
This is some what 1w.
@av8480
@av8480 3 года назад
Clear sound radio Mein Nahin a Raha kya kre
@tvtruck5350
@tvtruck5350 4 года назад
Stereo ? with one loudspeaker ? new model ?
@JahanZeb1976
@JahanZeb1976 4 года назад
Dear these are refered to stereo as general terms. Don't go that deep. Give attention to repair technique.
@mamaseem
@mamaseem 6 лет назад
Sir how to repair fm problam
@JahanZeb1976
@JahanZeb1976 6 лет назад
Let me get some defective and will show you on that one.
@mamaseem
@mamaseem 6 лет назад
LearningZone ok sir than you
@bhura7t100
@bhura7t100 3 года назад
Bhai mara radio ha ya sahi that Mana khola safka liya ya chal nahi raha isle motor nickal gaye lagan's la bhatyo
@user-fm1ho6xb5b
@user-fm1ho6xb5b 6 лет назад
ترجمة بالعربي
@jomana4158
@jomana4158 4 года назад
Not certain about the points made but ,if anyone else wants to discover pcb repairing try Saankramer Electronic Magazine System (just google it ) ? Ive heard some awesome things about it and my co-worker got excellent success with it.
@atievans1154
@atievans1154 4 года назад
interesting points ,if anyone else wants to learn about electronic keyboard repair try Saankramer Electronic Magazine System (should be on google have a look ) ? Ive heard some unbelievable things about it and my brother in law got great success with it.
@ea1776
@ea1776 6 лет назад
too many distracting ads to stay on your page.
@JahanZeb1976
@JahanZeb1976 6 лет назад
Dear friend these ads are the only source to pay to continue such effort. Hope you may understand the difficulty. Stay tuned and blessed.
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