December 15, 2019, 01:05:27 AM
Welcome,
Guest
. Please
login
or
register
.
1 Hour
1 Day
1 Week
1 Month
Forever
Login with username, password and session length
News
: Join Rafael's
Haunted Woods contest
and win a copy of the game!
Home
arcade
Help
Login
Register
links
videopac.nl
Videopac / Odyssey2 forum
>
Videopac / Odyssey2
>
Hardware
>
Games are suddenly freezing
Pages:
1
[
2
]
Go Down
« previous
next »
Print
Author
Topic: Games are suddenly freezing (Read 4790 times)
Rene_G7400
Pedit5
I take the Videopac and leave the Canoli!
Posts: 2519
Re: Games are suddenly freezing
«
Reply #15 on:
January 14, 2014, 09:36:07 AM »
Tektronix is a well-known brand for oscilloscopes, but I only have experience with old-fashioned analog oscilloscopes.
A good oscilloscope is expensive, a cheaper option would be to buy another G7000 console and either use that one or use it for parts.
Does your multimeter have a built-in frequency counter option?
Logged
ArcadeTV
Trying to get the cartridge in...
Posts: 16
Re: Games are suddenly freezing
«
Reply #16 on:
January 14, 2014, 12:49:04 PM »
Well. I COULD just get another G7000... But where's the fun in that?
I am really willing to spend some money on equipment and learn.
What frequency-range should I look for?
I have found these nearby to pick up:
http://kleinanzeigen.ebay.de/anzeigen/s-anzeige/phillips-pm-3217-oszilloskop/171493766-168-1574?ref=search
http://kleinanzeigen.ebay.de/anzeigen/s-anzeige/oszilloskop/155413028-226-1160?ref=search
http://kleinanzeigen.ebay.de/anzeigen/s-anzeige/hameg-hm203-7-2-kanal-oszilloskop,-bandbreite-20-mhz/172354754-168-1496?ref=search
Thanks!
Logged
Rene_G7400
Pedit5
I take the Videopac and leave the Canoli!
Posts: 2519
Re: Games are suddenly freezing
«
Reply #17 on:
January 14, 2014, 02:20:36 PM »
A range of 20MHz would be enough.
The thing is: if the 8048 or 8245 isn't working anymore you'll need a second G7000 anyway for the parts.
If you want to spend money on test equipment you could buy a G7000 testcart as well:
http://www.bas-ditta.info/videopac/teksten/stc.htm
Logged
ArcadeTV
Trying to get the cartridge in...
Posts: 16
Re: Games are suddenly freezing
«
Reply #18 on:
January 15, 2014, 03:04:20 PM »
Quick update from my end:
-If all goes well I'll get a Tektronix 2430A for a reasonable price.
-bought another G7000, contrary to my /22 this one has detachable joysticks and an external psu
So I'll be set if that stuff arrives here.
Just a question to be sure about this:
-connecting the CPU's pin 4 and pin 20 should trigger a reset, is that correct?
Logged
Rene_G7400
Pedit5
I take the Videopac and leave the Canoli!
Posts: 2519
Re: Games are suddenly freezing
«
Reply #19 on:
January 15, 2014, 03:32:16 PM »
Quote from: ArcadeTV on January 15, 2014, 03:04:20 PM
Just a question to be sure about this:
-connecting the CPU's pin 4 and pin 20 should trigger a reset, is that correct?
That's correct. If you don't have the circuit diagram yet, you can find it here:
http://home.kpn.nl/rene_g7400/vp_info.html
Logged
ArcadeTV
Trying to get the cartridge in...
Posts: 16
Re: Games are suddenly freezing
«
Reply #20 on:
January 16, 2014, 01:09:03 AM »
Oh my god, I got it working again!
I reflowed the PAL encoder chip, plus I reworked several other random solder joints - voilá - SELECT GAME.
Need to reassamble it to check if the games are still freezing. Let's hope for the best.
Thanks to all of you!
Logged
Define
Attacked the Timelord
Posts: 125
Re: Games are suddenly freezing
«
Reply #21 on:
January 16, 2014, 11:03:15 PM »
Yep that's usually the case with old stuff
Just flooooow the solder and let it set again!
Logged
Videopac 4 life
Pages:
1
[
2
]
Go Up
Print
« previous
next »
Jump to:
Please select a destination:
-----------------------------
Videopac / Odyssey2
-----------------------------
=> Anything Videopac / Odyssey2
===> VP/O2 Video Gameography
===> VP/O2 programmers list
=> Games
===> Game of the Month
=> New releases
===> Released Homebrews and Prototypes list
===> Homebrew and prototype release schedule
=> Hardware
=> Stories...
=> Other Videopac / Odyssey2 sites
-----------------------------
Collecting
-----------------------------
===> Jopac Rarity List
===> Radiola Rarity List
===> Siera Rarity List
=> Wanted lists
=> Swap & Sell
=> My Collection
-----------------------------
Programming the Videopac / Odyssey2
-----------------------------
=> Programming
=> Homebrews
=> Unreleased HomeBrew and test code
-----------------------------
Emulation
-----------------------------
=> Emulating the Videopac / Odyssey2
=> The Videopac Base
=> Forum Arcade
-----------------------------
Anything not specifically Videopac / Odyssey2
-----------------------------
=> Events
=> Other Systems
=> Other games
=> eBay Oddballz
=> Humor
=> Anything else...
-----------------------------
About this forum.
-----------------------------
=> How to register...
=> Read this first!
=> Videopac / Odyssey2 forum
Loading...