electronics_shamim

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  1. electronics_shamim

    Transistor Substitute.

    Thanks a lot for updates about transistor equivalent.. Keep it up. Regards
  2. electronics_shamim

    Transistor Substitute.

    Sir, Can anyone help me finding Replacement of Power Transistors; 2SD613 - NPN , 2SD633 - PNP both complimentary pairs 2SD600 & 2SB631 both complimentary pairs The above are used in power amplifier sections of Sonodyne Model SCR2061. The exact transistors not readily available in India. Thanks in advance, Regards
  3. Dear All, Can anyone guide how to install efficiently with Analogue Satellite Finder with Gardiner make FTA receiver. Stepwise instruction will be very helpful. Thanks in advance. electronics_shamim
  4. Dear All, Can anyone help me find the above Schematics for Philips Two-in-One Indian origin Model: DR435 and AKAI AJ W239. thanks in advance. Regards Electronics_sham India ====
  5. electronics_shamim

    National RX-CW55F

    Try for Panasonic having the same model no. Regds
  6. Dear All, Can any one help me for any easy-to-use PCB software with Schematic capture option and libraries (12 Pin SIP) for newbies. Thanks in advance. electronics_shamim ====
  7. electronics_shamim

    Transformer

    It is a waste of "power" so generated by the tfmr i.e. 150KVA. If you have the requirement of 5 KVA then you can go for a 7KVA max. Is not it!!!
  8. electronics_shamim

    Easy PCB Design Software (single & double sided)

    thanks. noted and downloaded. regards electronics_shamim ====
  9. Hi everyone, Can any one tell me site for downloading easy PCB design software or what is the easy PCB software available with basic computer knowledge ? Regards, electronics_shamim
  10. electronics_shamim

    SANYO MCD 510K

    Dear All, Can any one help me Schematic or Service manual for the model shown below" SANYO Korea : CD Radio Double deck cassette recorder Model: MCD 510K Thanks in advance. truly yours electroncis_shamim ====
  11. electronics_shamim

    Service Manual for SANYO MC-S680K, SONY FH-7MK-II, National RX-C46.

    Dear Mr. Sarma, The site you advised is not free. There are so many paid sites wherein I have already located my requisite info. But, I want some free sites, whereby it can be helpful. Please let me know if there is any free sites for service manuals. Regards, truly yours, shamim ====
  12. Sirs, I need the following Service Manuals. Any help from any angle is highly appreciated. I tried to locate in www.eserviceinfo.com, but failed. Moreover, in the forum also, response very poor. I find this forum very very helpful. Herewith remain in anticipation: SANYO MC-S680K SONY FH-150R Home Audio National RX-CW55 Two-in-One SONY FH-55W " " SONY CFS-B5S " " SONY CFS-W365S " " SONY FH-7 MKII Regards Shamim ====
  13. electronics_shamim

    National Stereo Radio Cassette Corder Repair guide.

    Dear Mr. Sarma, Thanks for the efforts sending the photo of a 2-in-1, but not the one which I meant. It is black in colour and slightly longer (horizontally) and height is short. I will get the photo shortly. Donn't worry please. Bear with me for the time being. regards, shamim
  14. electronics_shamim

    National Stereo Radio Cassette Corder Repair guide.

    ok pier. I will surely post it shortly. regards, shamimim_india. ====
  15. electronics_shamim

    National Stereo Radio Cassette Corder Repair guide.

    Dear Mr. SVS Sarma, I am very much thankful to you for the reply. I am at one with you. Accordingly, I have searched everywhere on the pcb or at the backside, but in vain. However, I can tell you that the radio section used the following ICs and I have already downloaded and have with me the datasheet. What i need is the functionality of the whole operations of selector mode switch, which only i can have it on the whole schematic. The Circuit uses the following ICs in radio section: LA 1185 + LA1260 BA 1332 Main AF Ampl: uses BA5406 I doubt whether the selector switch (Radio/Tape/Sleep) or band switch (FM/MW/SW1/SW2) has gone bad. Are you staying at Banglore? Please also advise where could I have the same and in which book, as you specified which is available in BPB publications. Since, you also belong to India, can u please help me. However, I am ready to pay for all that. Thanks and regards, Shamim_India. ====