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Old 13th March 2013, 01:46 AM   #2511
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Quote:
Originally Posted by vedmitraa View Post
55-0-55 A.C. that is around 77-0-77 Volt D.C. if I am correct not 90-0-90 as in layout, Did you have to put a delay start in it, how was the heat of outputs on load,Is there any more changes in component value in your layout.thanks in advance for getting the reply.
77-0-77 VDC absolutely right. scheme while no corresponding change in the scheme Mr. Mile, the final transistor is not too hot, just hot on the driver, but after being given the fan its ok. I wear a speaker protector existing B500 standard fan speed control,
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Old 18th March 2013, 11:31 AM   #2512
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LDR + LED instead NSL32
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Old 19th March 2013, 04:15 AM   #2513
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Mr Mile,
what value of LDR, and what is the colour of LED
warm regads,
Ahmadfay
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Old 24th March 2013, 11:14 AM   #2514
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80x75mm

Sir,do you have Protec layout in PDF??
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Old 3rd April 2013, 05:17 PM   #2515
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Default For checking

Quote:
Originally Posted by LIEM POO View Post
Layout H 900 TEF and B 500 TEF
Hello Everyone... Hope it's ok to post it here since this is just a reply to the post above. I manage to merge the parts & PCB layout hoping anyone can checked if its correct. There are some parts which values are not available... hoping also anyone can give suggestion. Anyone else have tried this layout aside from Mr. Liem Poo?

many thanks in advance
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File Type: png H900 DAN B500 corel.png (176.1 KB, 889 views)
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File Type: pdf H900 DAN B500 corel.pdf (567.9 KB, 527 views)
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Old 3rd April 2013, 06:14 PM   #2516
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BTW .... this is my on going H900. Waiting for opportunity to complete.

Regards to ALL
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File Type: jpg MY H900 V2 By APEX 09.jpg (666.1 KB, 600 views)
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Old 5th April 2013, 04:54 PM   #2517
jaagut is offline jaagut  Philippines
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i'm excited to make my own b500 too. here's my initial pcb. my experience tells me that pcb etching is the most difficult part of the process!
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Old 6th April 2013, 07:59 AM   #2518
jaagut is offline jaagut  Philippines
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additional pics. my board is a mirror image, so i have to solder the all trans and ic to the copperside.

got few questions. 470pF number code is 471, but electronic sales staff gave me 470. for 33pF number code is 330, but staff gave me 331. i'm doubtful if it is correct. is this correct?
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Old 6th April 2013, 09:13 AM   #2519
Nhor is offline Nhor  Dubai
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Hi sir Apex and to all DIY members, Im new in this thread and im interested to build this H500 by Sir apex which is the correct layout of pcb and what is the maximum rail voltage?
Thank you and Best Regards.
Nhor
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Old 7th April 2013, 03:55 AM   #2520
jaagut is offline jaagut  Philippines
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anybody who can confirm regarding capacitor codes to my previous post #2518? thanks in advance.
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