tag:blogger.com,1999:blog-7361237673474611033.post648932429289133994..comments2024-03-18T09:39:27.913+00:00Comments on Doz' Blog: Luxman L&G L2800 Amplifier.Dozhttp://www.blogger.com/profile/01517789746939070858noreply@blogger.comBlogger14125tag:blogger.com,1999:blog-7361237673474611033.post-57619359815708660162018-11-17T08:00:42.332+00:002018-11-17T08:00:42.332+00:00Hi there gents, my 2800 worked perfectly after a f...Hi there gents, my 2800 worked perfectly after a full recap,, 3 months later started getting a crack sound in left channel, then blew the fuse. replaced all IN4002 diodes, but D103 in the centre of the board has failed. Anyone got any idea what the hell kinda diode this is?Kiss of Deathhttps://www.blogger.com/profile/14034714591723167581noreply@blogger.comtag:blogger.com,1999:blog-7361237673474611033.post-41959823332882503912018-02-06T21:56:15.828+00:002018-02-06T21:56:15.828+00:00Hi there Anonimouse,
thanks for that...having a c...Hi there Anonimouse,<br /><br />thanks for that...having a cct diag will help considerably!<br /><br />Keep up the great work Andy!<br /><br />regards<br /><br />Andrew Shannon, Bathurst, AustraliaKiss of Deathhttps://www.blogger.com/profile/14034714591723167581noreply@blogger.comtag:blogger.com,1999:blog-7361237673474611033.post-56486433932183991162018-02-06T10:34:26.959+00:002018-02-06T10:34:26.959+00:00Great info. Thanks!Great info. Thanks!Dozhttps://www.blogger.com/profile/01517789746939070858noreply@blogger.comtag:blogger.com,1999:blog-7361237673474611033.post-25736479956454536502018-02-04T17:22:59.597+00:002018-02-04T17:22:59.597+00:00hello
it's the same power amp part as luxman L...hello<br />it's the same power amp part as luxman L80v <br />enjoyAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-7361237673474611033.post-58275218502334434112018-02-03T23:02:20.988+00:002018-02-03T23:02:20.988+00:00Many thanks Andy,
I will let you know the result....Many thanks Andy,<br /><br />I will let you know the result.<br /><br />Andrew ShannonKiss of Deathhttps://www.blogger.com/profile/14034714591723167581noreply@blogger.comtag:blogger.com,1999:blog-7361237673474611033.post-19235853680158377562018-02-03T14:16:41.667+00:002018-02-03T14:16:41.667+00:00Hi Andrew. The bias current can be measured across...Hi Andrew. The bias current can be measured across the 0.33 ohm emitter resistors. By the looks of my notes, and the pictures above, each channel was set to 80mA (26.4mV across the emitter resistors) using VR102 and VR103 respectively. Dozhttps://www.blogger.com/profile/01517789746939070858noreply@blogger.comtag:blogger.com,1999:blog-7361237673474611033.post-38355973261502532132018-02-03T02:29:06.961+00:002018-02-03T02:29:06.961+00:00Sorry, yes I meant the bias ...
regs
AndrewSorry, yes I meant the bias ...<br /><br />regs<br /><br />AndrewKiss of Deathhttps://www.blogger.com/profile/14034714591723167581noreply@blogger.comtag:blogger.com,1999:blog-7361237673474611033.post-76545336866778176172018-02-02T12:57:50.625+00:002018-02-02T12:57:50.625+00:00As in bias? Off balance bias will cause a DC offse...As in bias? Off balance bias will cause a DC offset.Dozhttps://www.blogger.com/profile/01517789746939070858noreply@blogger.comtag:blogger.com,1999:blog-7361237673474611033.post-40109980384413269282018-02-02T10:52:32.809+00:002018-02-02T10:52:32.809+00:00Hi Andy, just replaced all electrolytics on an L28...Hi Andy, just replaced all electrolytics on an L2800, fully stripped and cleaned...fantastic sound..but how do i adjust the DC offset? I cannot find a manual (user or service) for this baby,<br /><br />Kind regards<br /><br />Andrew Shannon<br />Bathurst, Australia.<br />Kiss of Deathhttps://www.blogger.com/profile/14034714591723167581noreply@blogger.comtag:blogger.com,1999:blog-7361237673474611033.post-84200835116650555642016-12-26T20:59:29.083+00:002016-12-26T20:59:29.083+00:00Peter, I am Dirk H. from Antwerp and I have the s...Peter, I am Dirk H. from Antwerp and I have the same amp. My does not work anymore. I am desperately looking for a fine repair. Can you advise me?Anonymoushttps://www.blogger.com/profile/07120245782701033341noreply@blogger.comtag:blogger.com,1999:blog-7361237673474611033.post-73752538452216797492016-12-26T20:57:46.672+00:002016-12-26T20:57:46.672+00:00Hello Peter,
I'm Dirk H. from Antwerp, Belgium...Hello Peter,<br />I'm Dirk H. from Antwerp, Belgium, and I have the same amplifier. It was on a clauset for many years, and now I Tried to get it to work, it failed. Do you know any good repair people?Anonymoushttps://www.blogger.com/profile/07120245782701033341noreply@blogger.comtag:blogger.com,1999:blog-7361237673474611033.post-69376621327424778582016-05-21T16:44:04.854+01:002016-05-21T16:44:04.854+01:00Hi Peter,
You may wish to look here :
http://im...Hi Peter, <br /><br />You may wish to look here :<br /><br />http://images.google.de/imgres?imgurl=http%3A%2F%2Felektrotanya.com%2FPREVIEWS%2F63463243%2F23432455%2Fluxman%2Fluxman_5-l-15_stereo_pa_sch.pdf_1.png&imgrefurl=http%3A%2F%2Felektrotanya.com%2Fluxman_5-l-15_stereo_pa_sch.pdf%2Fdownload.html&h=2521&w=4065&tbnid=imiPBAlDJYgopM%3A&docid=TW49v16R2vL1sM&ei=e4FAV-CfGIeGU7GuhvgK&tbm=isch&iact=rc&uact=3&dur=325&page=1&start=0&ndsp=44&ved=0ahUKEwigyfS9wOvMAhUHwxQKHTGXAa8QMwgxKAowCg&bih=971&biw=1855Dozhttps://www.blogger.com/profile/01517789746939070858noreply@blogger.comtag:blogger.com,1999:blog-7361237673474611033.post-59452222777543815812016-05-20T23:05:22.137+01:002016-05-20T23:05:22.137+01:00I have the same amplifier (and the matching tuner)...I have the same amplifier (and the matching tuner) since shortly. it plays very well for about 15 minutes and then gives a "plop" in the right channel and stops playing. i suppose my caps have reached the end of their life also. but upon opening there are soms resistors with the "shield" completly gone... so i have no possible way to now there resistance. do you have a shematic of this amplifier ? if it plays its a lovely sound. regards from Belgium , Peter Anonymoushttps://www.blogger.com/profile/09445576611035970788noreply@blogger.comtag:blogger.com,1999:blog-7361237673474611033.post-58886615853530496812016-01-30T23:17:02.311+00:002016-01-30T23:17:02.311+00:00I have listening to this amp last night. Well done...I have listening to this amp last night. Well done you have made my mate a very happy man. Lovely sound.Peter Smith - Rewilding https://www.blogger.com/profile/14052159513271602918noreply@blogger.com