Search found 52 matches

by mukurop
January 10th, 2020, 1:35 pm
Forum: Monitor Q&A
Topic: PVM 2130QM flyback
Replies: 16
Views: 777

Re: PVM 2130QM flyback

Purcheased a new flyback from ebay, it is genuine Sony with a different code label: 1-439-372-13 and this one works flawlessly!
by mukurop
December 4th, 2019, 1:45 pm
Forum: Monitor Q&A
Topic: PVM 2130QM flyback
Replies: 16
Views: 777

Re: PVM 2130QM flyback

May i know your opinion ebout this one? https://www.ebay.com.au/itm/Sony-1-439-372-13-1-439-372-11-1-439-372-12-Flyback-Transformer-2052/293313453677?_trkparms=aid%3D1110001%26algo%3DSPLICE.SIM%26ao%3D2%26asc%3D20160323102634%26meid%3Da8b4579f94ef4bd99e7e95ad29a09a09%26pid%3D100623%26rk%3D4%26rkt%3...
by mukurop
December 3rd, 2019, 5:55 pm
Forum: Monitor Q&A
Topic: PVM 2130QM flyback
Replies: 16
Views: 777

Re: PVM 2130QM flyback

May i know your opinion ebout this one? https://www.ebay.com.au/itm/Sony-1-439-372-13-1-439-372-11-1-439-372-12-Flyback-Transformer-2052/293313453677?_trkparms=aid%3D1110001%26algo%3DSPLICE.SIM%26ao%3D2%26asc%3D20160323102634%26meid%3Da8b4579f94ef4bd99e7e95ad29a09a09%26pid%3D100623%26rk%3D4%26rkt%3D...
by mukurop
December 2nd, 2019, 1:27 pm
Forum: Monitor Q&A
Topic: PVM 2130QM flyback
Replies: 16
Views: 777

Re: PVM 2130QM flyback

Non problem on screen, just audible noise.
by mukurop
December 2nd, 2019, 3:15 am
Forum: Monitor Q&A
Topic: PVM 2130QM flyback
Replies: 16
Views: 777

Re: PVM 2130QM flyback

Thanks for your advice! This pvm works great! It have an awesome White and colors I have already recqpped the psu and some caps on deflection area (D board) wich was startiing to alter they esr value and now its geometry its Perfect , I want replace the flyback just because it is a bit noisy but sti...
by mukurop
November 30th, 2019, 7:04 pm
Forum: Monitor Q&A
Topic: PVM 2130QM flyback
Replies: 16
Views: 777

Re: PVM 2130QM flyback

I see, so the B+ pin seems out of place but I do not have the slightest intention of giving up I'll study the circuit well and see if I can do something.
by mukurop
November 30th, 2019, 5:42 pm
Forum: Monitor Q&A
Topic: PVM 2130QM flyback
Replies: 16
Views: 777

Re: PVM 2130QM flyback

First of all Thank you so much for helping me. And yes there is not screen wire but the depressed pot appear just like a working one, the most waries are for the pinout.. Surely the HR 6415 is direct swap for the Sony 1-439-372-13 used in a lot of 25-27" trinitron tvs, 2130qm have this one 1-439-372...
by mukurop
November 29th, 2019, 6:27 pm
Forum: Monitor Q&A
Topic: PVM 2130QM flyback
Replies: 16
Views: 777

PVM 2130QM flyback

I have received the HR 6415 wich is what HR Diemen supply as replacement for sony 1-439-372-32 (PVM 2130qm) but The HR one have the scrren pot on the flyback otherwise the genuine one not because on 2130qm the screen pot is located on the neck board. Have any of you tried to install one of these HR ...
by mukurop
November 19th, 2019, 9:18 pm
Forum: Monitor Q&A
Topic: Toshiba PE0493 Chassis Issues
Replies: 19
Views: 898

Re: Toshiba PE0493 Chassis Issues

Please do not replace all caps but just the only ones are leaking, usually they are just few on primary psu section and some one deflection area, there is also one netallic film (sometimes mylar 0.022uf) near the flyback that can interfer with abl and the screen becomes too dimm, in this case must b...
by mukurop
November 16th, 2019, 8:16 pm
Forum: Monitor Q&A
Topic: Toshiba PE0493 Chassis Issues
Replies: 19
Views: 898

Re: Toshiba PE0493 Chassis Issues

I'm sure that some chassis portion, some where is on lack of insulation.. Could be easy...
by mukurop
November 15th, 2019, 9:26 pm
Forum: Monitor Q&A
Topic: Toshiba PE0493 Chassis Issues
Replies: 19
Views: 898

Re: Toshiba PE0493 Chassis Issues

I see, as Grant advice, there should be somthing wrong with ground. ... I remember that on my monitor, there were strange snowy pixels and whitish waves expecially noticeable on dark-grey colourred area s of the screen during gameplay....
by mukurop
November 15th, 2019, 4:35 pm
Forum: Monitor Q&A
Topic: Toshiba PE0493 Chassis Issues
Replies: 19
Views: 898

Re: Toshiba PE0493 Chassis Issues

The remote won't matter with this chassis. I leave mine unconnected, because I'm short on remotes. indeed! the strange thing is that the same control card that caused that problem in my capcom impress, was examined by Grant and from him the problem was not present, at that point I tried everything,...
by mukurop
November 15th, 2019, 1:35 pm
Forum: Monitor Q&A
Topic: Toshiba PE0493 Chassis Issues
Replies: 19
Views: 898

Re: Toshiba PE0493 Chassis Issues

Grant that's the same issue I got with a gmk 29fs3 and one control board, replaced just the control board and all issues gone but the weird is that you have tested the apoarently faulty control board on two of my hitachi chassis and and there was no issue... Still cant figure out...
by mukurop
October 21st, 2019, 9:52 pm
Forum: Monitor Q&A
Topic: Flyback sourcing
Replies: 14
Views: 632

Re: Flyback sourcing

I must resume this because I have a contact in China who can reproduce any kynd of flyback for 60usd, they need a flyback sample to copy. I sent them an hitachi 2435048 for neo 29 and capcom impress gmk-29fs3 chassis, they sent two repro units and Both working fine.
by mukurop
September 18th, 2019, 12:34 pm
Forum: Monitor Q&A
Topic: Sony pvm 2130QM unknown component
Replies: 1
Views: 203

Re: Sony pvm 2130QM unknown component

Updare, opened another unit and it is nota diac, probably a zener but, it is mounted on a black thermal Pad wicih with aeging becone conductive. This Little diode is just on 50/60hz switch line and can create issue on ntsc sync and v. size (the immage can not fill the screen vertically) so I have re...
by mukurop
September 17th, 2019, 11:36 pm
Forum: Monitor Q&A
Topic: Sony pvm 2130QM unknown component
Replies: 1
Views: 203

Sony pvm 2130QM unknown component

Hey guys a really strange thing happened to me, in practice after 15 years of inactivity I pull out of my garage an old pvm2130qm I try it and with immense pleasure I see that it works perfectly so I decide to open it to give it a clean inside. I found a small diode connected to the back of the D bo...
by mukurop
August 24th, 2019, 5:26 pm
Forum: Monitor Q&A
Topic: Swaping neckboards
Replies: 2
Views: 270

Re: Swaping neckboards

Hey this is probably the best monitor ever made for standard res games I have the A one an its awesome! I never swapped the neckboard. Your scheme looking good to me but please wait for Super Grant final advices.
by mukurop
August 15th, 2019, 2:28 am
Forum: Cabinet Q&A
Topic: Removing Impress Monitor
Replies: 13
Views: 615

Re: Removing Impress Monitor

Pls when you reassemble the unit do not forget the two gnd wires from the tube to the neck board. Also pay attention when you remove the psu, it is near the tube neck.
by mukurop
July 25th, 2019, 3:36 am
Forum: Monitor Q&A
Topic: Super neo 29 Hitachi horizontal non linearity
Replies: 3
Views: 392

Re: Super neo 29 Hitachi horizontal non linearity

The ms9-29 should work , just make an adapter for yoke and rgb+ac
by mukurop
June 3rd, 2019, 10:28 am
Forum: Monitor Q&A
Topic: Super neo 29 Hitachi horizontal non linearity
Replies: 3
Views: 392

Re: Super neo 29 Hitachi horizontal non linearity

May I Know What's your tube-chassis combo? If it is the original one you should have an hitachi A68lLFP27X tube + hitachi GMK-29FS3, on this chassis there isn't a linearity control pot although I have never seen this problem and I have seen many of these cabs... Maybe the tube or the chassis was swa...