ing. Zdeněk Sehnal ml.

Dobrý den, mám pár otázek. 78L05 a 6.2 v Zenerova dioda se přehřívá. 10k rezistor 9 pin zde PCB, stejně jako odolnost 9p 8 pin pcb 10k také pravda, že 7 pin me. Tam jsou také ne5534 14v 6 pin. Existují místa, na 7.5V 14V. Neexistuje žádný zvukový výstup. pokud byste mohli pomoci. hi friends I have a...

hi zdenekHQ CI1 schematics 22nf but pcb on 10nf Which one is right?
R7 schematics 22k pcb on 470k
http://postimg.org/image/6umfbpkf7/
http://postimg.org/image/y3xsq7lib/
http://postimg.org/image/46sdnm203/
http://postimg.org/image/fabzt7nab/

hi. d21? d22? What will be the value of
thanks

thanks

hi friends Which of the changes made to upd 3

hi.pcb trimpot RP1 and RP2 have four legs. how are they a trimpot

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thanks zdenekQ
whichever gnd test point.
my problem probably L1
79L08 in lieu 79L05 no hot
tp1 43v does not fall

hi I am doing upd3 but not working
tp1 48v dc-dc converter problem no -8v .no +8v
79l08 ne 555 hot.79L08 cancel
. 79lo5 ne555 cool

hi zdenekQ sabre advanced not working.
the circuit again do will
sabre advanced pcb pdf file. Send a mirror image of the file

hi TP1 30v
TP5 0,3v
freguency 25khz
ne555 very is hot
TP3 0,3v
ext pover open iiiiiii sound
ext pover off not sound
what is the reason
can you help me.thanks

TX oscillator working.
I ran attached to the coil
whey? 7909 7808 what peoblem

hi sabre problemes 1. aku test working 2. 7908 out very bad no -8v 3.7808 out no +8v could you help in this regard this is could you help regard may cause http://s14.postimage.org/793uhk9f1/130120_133539.jpg http://s14.postimage.org/l7vyga9bh/130120_133403.jpg http://s14.postimage.org/50u9dyrot/1301...

thank you very much zdenekhQ

[img=http://s13.postimage.org/5yy4lp8kz/130117_194805.jpg]
it is corect?

thank you very much ZdenekHQ .You're very good