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Search: Posts Made By: spiros.p
Forum: Troubleshooting Audio Equipment 07-30-2022, 07:15 AM
Replies: 0
Views: 67
Posted By spiros.p
qsc gx3

hi to all members.after change the blown transistors A1294 and the driver trans 4793 and 1837 i have dc 30v on the repaired chanel when start the amp and drops slow to near zero after 10-15...
Forum: Troubleshooting Audio Equipment 07-28-2022, 02:17 AM
Replies: 0
Views: 84
Posted By spiros.p
Pioneer DJM-800 recap

point of interest i recap my 14years old djm800 psu.last 2-3 months gets too hot the mixer on psu side.open it after two hours of use and touch the big filter cap and the near mosfet heat sink was...
Forum: General Capacitor Questions & Issues 07-27-2022, 01:37 AM
Replies: 1
Views: 405
Posted By spiros.p
Re: Nichicon FW on power supply?

yes is ok last winter i have to check one big yamaha old model receiver.inside was about 200 pieces nichicon FW caps everywere from big psu caps to the smalest amp section
Forum: Troubleshooting Audio Equipment 06-01-2022, 08:51 AM
Replies: 8
Views: 289
Posted By spiros.p
Re: Numark TT500 Turntable...weird power "freezing" issue

change all caps.is crap.i do on my ttx1 and its like new
Forum: Troubleshooting Audio Equipment 05-24-2022, 06:39 AM
Replies: 12
Views: 562
Posted By spiros.p
Re: Dynacord PowerMate 600 Powered Mixer - Protect Light On

hi check all the small diodes around mpsa trans. and resistors.disconect the amp 60v+- cables from the transformer and left connected the +-15v and see if start the relays.
Forum: General Capacitor Questions & Issues 12-15-2021, 10:28 PM
Replies: 9
Views: 1,176
Posted By spiros.p
Re: sancon china caps

thanks for respond televizora.i found these on psu of cheap desolderind station.i have few left panasonic fr and replaced.i do the same when is posible to fit slight higher voltage than the older...
Forum: General Capacitor Questions & Issues 12-14-2021, 07:07 AM
Replies: 9
Views: 1,176
Posted By spiros.p
Re: sancon china caps

no it is sancon.propably crap cheap china.
Forum: General Capacitor Questions & Issues 12-11-2021, 11:54 PM
Replies: 9
Views: 1,176
Posted By spiros.p
sancon china caps

any experience from that brand (crap....emm) caps?found their site and see some 10000 - 20000 hours capacitors.
Forum: General Capacitor Questions & Issues 10-20-2021, 10:08 PM
Replies: 3
Views: 829
Posted By spiros.p
Re: ceramic

thanks for answers guys was very helpful.
Forum: General Capacitor Questions & Issues 10-19-2021, 08:13 PM
Replies: 3
Views: 829
Posted By spiros.p
replace 100v 100nf ceramic capacitor with 50v 100nf

can i replace 100v 100nf ceramic capacitor with 50v 100nf in an amplifier it will be safe?
Forum: Troubleshooting Audio Equipment 10-08-2021, 01:32 AM
Replies: 15
Views: 3,054
Posted By spiros.p
Re: JBL S412PII Speakers Part 5

hi momaka i read your post carefully and i have about the same problem with two electro voice p1202 amps.when is cold i press the power buton and the relays acting like arc for 1-2 seconds.after of...
Forum: General Capacitor Questions & Issues 09-28-2021, 12:36 AM
Replies: 3
Views: 759
Posted By spiros.p
Re: replace nichicon HE series 2200mf 16v with vishay BC 136 SERIES 2200mf

thanks for answers guys. i have forgoten to note the vishays is 50 volts that i have available.the last years i have replace hundreds of caps from psus and all types of cirquits and ofcoures measure...
Forum: General Capacitor Questions & Issues 09-27-2021, 06:12 AM
Replies: 3
Views: 759
Posted By spiros.p
replace nichicon HE series 2200mf 16v with vishay BC 136 SERIES 2200mf

i have replace nichicon HE series 2200mf 16v with vishay BC 136 SERIES 2200mf.measuring the nichicons sean on meter 2550mf and zero esr.i measure and the new vishays and sean 2080mf and near zero esr...
Forum: Troubleshooting Audio Equipment 06-20-2021, 11:44 AM
Replies: 1
Views: 852
Posted By spiros.p
Electro-Voice Q99 Power Amp

hi to all here..i have a problem with q99 amp with very low signal 1khz from generator 100-300mv the first two signal leds lights on the front panel and the red limiter led in booth chanels.when i...
Forum: General Capacitor Questions & Issues 05-07-2021, 07:44 PM
Replies: 4
Views: 1,141
Posted By spiros.p
Re: mkp to mkt

the caps is not on audio cirquit it is on power supply.
Forum: General Capacitor Questions & Issues 05-07-2021, 09:14 AM
Replies: 4
Views: 1,141
Posted By spiros.p
mkp to mkt

can i replace on amp a mkp capacitor with mkt the same mf and voltage?
Forum: Troubleshooting Power Supplies and Power Supply Design 05-01-2021, 11:19 PM
Replies: 9
Views: 1,384
Posted By spiros.p
Re: 0 Ohm ESR ?? - Testing cap in PSU

ok i own one of these crap cheap meters and allways the readings is higher than normal.but my extech lcr200 reading no esr on these caps only lower value mf.i check other capacitors i get...
Forum: Troubleshooting Power Supplies and Power Supply Design 04-29-2021, 08:27 AM
Replies: 9
Views: 1,384
Posted By spiros.p
Re: 0 Ohm ESR ?? - Testing cap in PSU

same here..measure some caps from instalation power amp and no readings from esr.only 1300mf down from nominal capacitance(6800mf is now 5500mf)on extech LCR meter.
Forum: General Capacitor Questions & Issues 04-21-2021, 09:31 PM
Replies: 7
Views: 1,289
Posted By spiros.p
Re: what brand caps is this? RM

thanks for the infos guys all ready replaced that crap with nichicon SMH.
Forum: General Capacitor Questions & Issues 04-21-2021, 02:43 AM
Replies: 7
Views: 1,289
Posted By spiros.p
Re: what brand caps is this? RM

i know is china crap but i wonder if someone have experience with them..
Forum: General Capacitor Questions & Issues 04-20-2021, 09:32 PM
Replies: 7
Views: 1,289
Posted By spiros.p
Re: what brand caps is this? RM

https://cdn11.bigcommerce.com/s-8cj0ptaaqe/images/stencil/500x659/products/185/664/$_57__20210.1535083973.jpg?c=2
Forum: General Capacitor Questions & Issues 04-20-2021, 09:31 PM
Replies: 7
Views: 1,289
Posted By spiros.p
what brand caps is this? RM

https://www.google.com/url?sa=i&url=https%3A%2F%2Fjimsaudio.com%2Frm-audio-electrolytic-capacitor-15-000u-50v-snap-in-2pc%2F&psig=AOvVaw3Bqqqi0PGNjwUsH5SP9IF9&ust=1619062190101000&source=images&cd=vfe...
Forum: General Capacitor Questions & Issues 04-14-2021, 03:12 AM
Replies: 15
Views: 1,652
Posted By spiros.p
Re: kemet

OK guys the caps is all ready instaled 22 pieces KEMET PEH532.i think from specs its better than the old ones from daewoo FHT series.
Forum: General Capacitor Questions & Issues 04-01-2021, 06:17 AM
Replies: 15
Views: 1,652
Posted By spiros.p
Re: kemet

the order is done guys.i ask for part number but he told me dont remember excactly and he said is equal liga like nichicon and nippon.and its expensive.anyway i trust my supplier always they send me...
Forum: General Capacitor Questions & Issues 04-01-2021, 06:09 AM
Replies: 15
Views: 1,652
Posted By spiros.p
Re: kemet

yes
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