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Oh, I've seen many times people are throwing a stones on the other people :violent1: and cursing a decks for stealing a threads :cussing: but if we gonna play dirty - no problem, let's play dirty.:blob5: How's the weather today in your country? :angel4:

To avoid stealing a tread I'm sending you a PM.

As many of you, I've left a tapes behind me a many years ago. Then I found somewhere a Technics RS-AZ7 (really nothing special regarding a sound and a junk regarding a build quality) which I bougt for cheap without any special reason (maybe looking nice). Then I discovered some web pages about...

Those Pb gain trimpots are way too sensitive :) Got it to about 385-391mV and peaks are still at +2. Adjusted R67/R68 (now trimpots) to 78K and it's there, exactly at +3 (Dolby mark). Will order fixed 78K next time, until then trimpots will do a job.

You probably have right about rising dolby level a bit but one thong I'm not sure (actually lot of things but in this case only one): Should it be as close as possible to 388mV but not over 388 OR as close as possible to 388mV while some mV +/- is accepted?

Dolby level 380-386mV on both channels, it can't be stabile. Output is 550-555mV which is a 5-10mV over and its OK. Regarding peak meters, I was wrong (easy to forgot after one year). I have peaks at +2 fine scale, so its only 1 db is missing. Most of people would say its nothing but for me...

Havent touched that deck for about a year so I don't remember the details. I have a 4 days off starting at thursday and will definitely check everything. Will report here of course ;)

I'm sure. Have 555 and 565 which are as you say very accurate. Have 2x 965, one was +4db on fine scale, the other at +6db (ther're not identical from the factory). The one in question is 727 and is peaking to 0db. Only mods I did are adding J-fet preamp between a head and PCB connector and...

Long story short: Trying to adjust peak meter (FL). It indicates 0db instead of +3 (Dolby levbel properly adjusted, so it's only peak meter) My question is which resistor need to be replaced. Have marked 4 resistors but not sure which one of them. If that (probably) matters, there are no more...

Just had an "Air freshner sandwich" for breakfast :)

Except that somebody moved the engine to the front side, I think actually they mean that there is a brand new 3-head deck on the back seat (probably Technics) and some nice Type II Maxell tapes. Maybe, just maybe even some LP's too. I mean, there was no CD players in that time so my guessing is...

May a God bless you and give you a long healthy life. As it looks at the moment, retirement is not gonna be before (if) I reach 70 (21 to go). EU is pushing limit further and further. In a mean time, I will try to enjoy recording tapes and learn myself about electronics as much as I can. After...

Really, really fast. Boss marked that I'm not so happy atwork as I use to be and asked if he can help me somehow. The answer was: quit me! I want my life back.

... and I would be more than happy if I could get 90 minute Maxell XLII for a 5$ a piece :( Would buy 100 for that price directly. People are paying theese days even 2.5€ for a basic TDK D / Maxell UR from 90's and 10€ and more for Maxell XLII90.

Looking at those plots I would rather call it AD-F880SF (SF = Sci-Fi) Besides how good FR and rec are I just dont get it how did you get almost 100% equal channels. Nomatter what and how I do on my deck (you know which one) there is no way I can make L & R be so equal as on your plots. Did a...

I apologize for missing feedback. Too many things to take care of this days. Planning to do this and that over the weekend and when the weekend comes there is always something else or I just feel myself tired for doing anything Anyway, a deck got almost all caps replaced and a transistor in...

Have them now and complete set off caps for my deck. Unfortunately, my dear mother passed away and I have to travel ASAP. Everything else is not important now and have to wait until rainy days are gone... Of course I'be back and will share results here... Again, thank you all guys. You're great!

Thanx Gepetto and Alex and of course Vince who have spent so many hours and nerves to solve my problems. Just came from work and making order list (caps, resistors, trimpots, transistors...). Its gonna take some time but I cant wait to get my decks finally fully serviced, modified and adjusted...

You're welcome :) Hope there is someone who can help.