Search results

Picked one up some years ago.station preset buttons don't work. It is a handsome unit. Sounds fine, however it runs hot and for that reason it has been put aside.

Because of the very very poor packing and problem/response I got from seller - I surmised seller was a fraud. Partly my fault though because I bought it with only 1 picture of it in the listing, just the front.

Much appreciated. Those 2690's are bigger in size and diameter of legs. In my search of Mouser , it lists the factory p800 transistors but only as obsolete without any suggested substitute.... So that had me flummoxed. So this link and your info is golden. Thank you.

Thanks for continued advice. Since my 9volt battery was so low during earlier reading. Before anything might be good to remeasure with full dmm batt voltage.

Yes , I have a pencil point, braided copper wire, etc, just not much experience, but I think I can do this. I have the 24v protection device, I have a eBay p800 capacitor kit that incudes 12 transistors. However most/all of the original p800 transistors are small TO-92 style and this kit has...

Checked 9v battery: it was 7.7v Replaced it. Here are measurements to chassis. In vdc. Q810 b .015 c 1.27 e .0 Q811 b 1.27 c 26.32 e .72 Q812 b .073 c 26.4 e .097 Any luck !

Sorry for lack of progress. Going to look more closely. Thanks

Hello . Thank you for looking at my measurements. Q810 e,1.28 c,1.29 b, .004 Q811 e, 1.27 c, 26.4 b, 1.28 Q812 e, 1.56 c,26.33 b, .762

Here are vdc of Q813 diode to grd +29.48 and +26.35. each diode side . I measured each leg of Q810,811,812 red lead to chassis grd. Q810 B 1.28 C 1.28 E 0.004 Q811. B 26.33 C 1.28 E 1.28 Q812 B 0.755 C 26.31 E 0.154 Thanks for analyzing them.

Here are acv measurements from 2265b p800 J801 34.6 acv J802 34.6 acv J817 7.9 acv The Q813 diode reverse bias measurement, Test lead blk to diode cathode (-) Test lead red to diode anode (+) Result -2.37 vdc Test lead red to diode cathode (-) Test lead blk to diode anode (+) Result OL...

Yes. I see this now. Beauty.

Thanks. I listed J818 twice. The first listed J818 is actually J814 0.01v The pins layed out in the schematic are different from this 2265b p800 board pin layout. The J820 pin is between J807 and J811. J820 and J811 both measure +13.5v. however there is no component wired to pin J820. I will...

Thanks for directional help. I have some d.c values for a 2265b. I will list all values on the L801 side of p800 (protection power supply). They are J818 J816 J815 J813 = 0.00v. J812 -43.4v J818 0.00 J819 +8.9v. J817 -0.01v. J808 -36.3v The readings on the board to the left of L801 are, J801...

Thanks for the p800 schematic with highlighted test values. This unit has slowly lost function. There is no safety click. However it does power on/light up . Selectors function but no sound aux,phono, fm/am, nor tape mon inputs. The fm signal/tuner dials pick up signal, but as said-no sound...

Hi thanks for idea. When my unit doesn't click when turning on and it is not working in other ways that are kind of strange, and it is original never worked on and based on notes on vintage marantz by others saying p800 is good first place Togo to...... My limited troubleshooting skills have...

Hi pretty sure it ought to be rebuilt as protection is not clicking on and unit not working. Is there a current p800 list for 2265b someone has put together. Or I would settle for part number for protection relay. Thanks Paul

Oh. Hope information can help someone in present or future. Past is past isn't it.

Suggestion. Obtain a infra red (or the like) heat gun. In C or F degrees. Point it at the big tubes. See if heat is same all over or if it excessively hot in certain spots. Excessive heat will shorten life of tubes. Normal use ought not make amp too hot. Get some facts (temps) and call tech at...

What devices and speakers have you liked in past. What have you heard that you like. What is the size of your room. What is your budget. My g7700 has seen k-horns. Klipsch klf30. ar3a. And others. Have fun. You have a nice receiver.

Old mags content is copyrighted. New owner is not sharing like this.

Thanks. I think it's two rheostats . do you know what watt and resistance resister would work. Or might I just measure the pots and maybe go with that ? Thanks

What will I hear ? Like neutral ?

Thanks. I have see that restoration link. My cloth surrounds seem ok I am though wondering how to stave off the deterioration of that piece of cardboard between the surround and the dome. The thing with the cracks in it . In my looking around Google I have not seen a good trick yet. Thanks

what is good choice to try and preserve these woofers ? The thick paper mega phone like affair around the cone is cracking somewhat and the black coating is wearing off on its edges ! The surrounds are intact but seem a little thin. So far unsuccessful loading my android phone pics to show...