Search found 447 matches

by PrincessPrinPrin
June 22nd, 2020, 7:48 pm
Forum: Arcade Games
Topic: The CRT problem.
Replies: 29
Views: 4647

Re: The CRT problem.

I wish I could last longer than my monitors.
by PrincessPrinPrin
June 5th, 2020, 8:30 pm
Forum: Monitor Q&A
Topic: TV - Hitachi C2156TN, tube in this any good?
Replies: 23
Views: 1776

Re: TV - Hitachi C2156TN, tube in this any good?

nem wrote:
June 5th, 2020, 8:12 pm
I still say 48cm tube is common as muck.
Too bad candy cabs don't use that size (if we don't consider that monstrosity you posted yesterday).
by PrincessPrinPrin
June 5th, 2020, 6:25 pm
Forum: Monitor Q&A
Topic: TV - Hitachi C2156TN, tube in this any good?
Replies: 23
Views: 1776

Re: TV - Hitachi C2156TN, tube in this any good?

19" (18" viewable) as it should be intended in Europe and Japan is indeed super rare but a lot of people call 19" what is in fact 20" (19" viewable).
by PrincessPrinPrin
June 5th, 2020, 12:49 pm
Forum: Monitor Q&A
Topic: TV - Hitachi C2156TN, tube in this any good?
Replies: 23
Views: 1776

Re: TV - Hitachi C2156TN, tube in this any good?

Tube size is wrong. There's no arcade cab that uses a 21" / 51cm tube. How did you know it was a 21 inch tube, he said it was 22, is there a website with a database of tv and the tubes inside? Being the owner doesn't make you an expert. It's a 21" (20" viewable screen) because the model number is C...
by PrincessPrinPrin
May 20th, 2020, 8:36 am
Forum: Monitor Q&A
Topic: MS8 26SG focus issue
Replies: 22
Views: 971

Re: MS8 26SG focus issue

As I said the only option is to hack the chassis.
by PrincessPrinPrin
May 19th, 2020, 8:06 am
Forum: Monitor Q&A
Topic: MS8 26SG focus issue
Replies: 22
Views: 971

Re: MS8 26SG focus issue

May I Know ho ro wire a Degauss button? the SG is different frorm SU, Here I have two wires only wich are directly soldered on pcb under PTC,, autodegauss is not working and wiring the two Red wires to a switch button do not work. If it's the version without the 5-pin header you need to cut traces ...
by PrincessPrinPrin
May 18th, 2020, 8:00 pm
Forum: Monitor Q&A
Topic: K7000 sparking
Replies: 9
Views: 679

Re: K7000 sparking

Check D8 and D11.
by PrincessPrinPrin
May 12th, 2020, 12:51 pm
Forum: Monitor Q&A
Topic: Toshiba PF horizontal linearity
Replies: 4
Views: 324

Re: Toshiba PF horizontal linearity

This is called S-correction. I made a post about it here: http://www.ukvac.com/forum/image-stretched-more-on-left-side-than-right_topic376546_post1140888.html?KW=#1140888 I don't know this Toshiba monitor but the S-correction circuit will be similar. In any case it's not something you adjust in serv...
by PrincessPrinPrin
May 8th, 2020, 11:39 am
Forum: Cabinet Q&A
Topic: connector id ?
Replies: 2
Views: 169

Re: connector id ?

They look like Molex Mini-Fit jr to me.
by PrincessPrinPrin
May 7th, 2020, 11:35 am
Forum: Monitor Q&A
Topic: nanao ms8 26SU d431
Replies: 8
Views: 431

Re: nanao ms8 26SU d431

Depends on what's damaged. If it's the rubber it can't be salvaged and that kind of hook is held by a ferrule crimped on the cable. It's much better to replace the whole thing with one likle this which is very easy to install:
anodecap.jpg
If you need one PM me.
by PrincessPrinPrin
May 4th, 2020, 8:08 pm
Forum: Monitor Q&A
Topic: ¥Nanao ms-2931 tube swap (can't get a good picture )¥
Replies: 6
Views: 340

Re: ¥Nanao ms-2931 tube swap (can't get a good picture )¥

it's quite possible that the TV tube doesn't have the same deflection angle as the 2931 tube and the yoke which is shaped for a specific angle doesn't work on the other tube. Look for a number (100 or 110) embossed in the glass. The TV service manual would have helped but that model doesn't even sho...
by PrincessPrinPrin
April 16th, 2020, 1:04 pm
Forum: Monitor Q&A
Topic: Nanao MS9-29 (05A00585D1) dead
Replies: 24
Views: 997

Re: Nanao MS9-29 (05A00585D1) dead

It is unsure if it's shutting down because the anode voltage rises above normal level. You would need a HV probe to see that. I would expect the B+ to stay at 75V after HV shutdown. A less safe method would be to suck solder off pin 14 of the 7853 and see if it doesn't shut down. It wouldn't be a ba...
by PrincessPrinPrin
April 16th, 2020, 10:17 am
Forum: Monitor Q&A
Topic: Nanao MS9-29 (05A00585D1) dead
Replies: 24
Views: 997

Re: Nanao MS9-29 (05A00585D1) dead

No sign of life from the flyback. Does your multimeter measure frequency (Hz)? If so check pin 13 of the 7853 for 15KHz pulse at startup.
by PrincessPrinPrin
April 14th, 2020, 9:49 am
Forum: Monitor Q&A
Topic: Nanao MS9-29 (05A00585D1) dead
Replies: 24
Views: 997

Re: Nanao MS9-29 (05A00585D1) dead

Could the 7853 be bad? It wouldn't explain the 130v B+. Is it still like that after resoldering the flyback pin? Check the high voltage caps on the HOT collector/H yoke. Do you have any voltage on R315 on the neckboard (HOT in place and chassis connected to tube)? Check with multimeter leads alread...
by PrincessPrinPrin
April 12th, 2020, 11:24 am
Forum: Monitor Q&A
Topic: Nanao MS9-29 (05A00585D1) dead
Replies: 24
Views: 997

Re: Nanao MS9-29 (05A00585D1) dead

Because you forgot to resolder pin 2 of the flyback.

Measure R571.
by PrincessPrinPrin
April 11th, 2020, 8:52 pm
Forum: Cabinet Q&A
Topic: TAITO Canary few questions / refurbishing
Replies: 3
Views: 289

Re: TAITO Canary few questions / refurbishing

The monitor is not only unoriginal but also not the correct size. You need one with an A59 tube, this is an A63. You can take it out without discharging it.
by PrincessPrinPrin
April 11th, 2020, 8:10 pm
Forum: Monitor Q&A
Topic: Nanao MS9-29 (05A00585D1) dead
Replies: 24
Views: 997

Re: Nanao MS9-29 (05A00585D1) dead

Pics of my tests so you can compare:





by PrincessPrinPrin
April 10th, 2020, 5:18 pm
Forum: Monitor Q&A
Topic: Nanao MS9-29 (05A00585D1) dead
Replies: 24
Views: 997

Re: Nanao MS9-29 (05A00585D1) dead

I have 11.80V on one side of R571 and 10.90V on the other side (my R571 = 94 ohm).

I would test the flyback at this point but you need a special tester.
by PrincessPrinPrin
April 10th, 2020, 8:35 am
Forum: Monitor Q&A
Topic: Nanao MS9-29 (05A00585D1) dead
Replies: 24
Views: 997

Re: Nanao MS9-29 (05A00585D1) dead

HOT is desoldered Does it test good? Meter in test diode, red on base, black on collector, expected reading around 500mV. Black on base, red on emitter, expected reading slightly higher than the former. OL with every other lead combination. And B+ now is...? 22.6VDC at R508 On both sides? This supp...
by PrincessPrinPrin
April 9th, 2020, 5:55 pm
Forum: Monitor Q&A
Topic: Nanao MS9-29 (05A00585D1) dead
Replies: 24
Views: 997

Re: Nanao MS9-29 (05A00585D1) dead

Doesn't sound like HV shutdown. Remove the HOT and test it and while it's off circuit repeat the bulb test after resoldering pin 2 of the flyback. Check that you have the secondary voltages from the PSU, especially 24V (or close, I don't remeber exactly) on R508 and 12V on pin 11 of the 7853.