Search found 25 matches
- Tue Nov 08, 2011 10:43 am
- Forum: Technical Questions and Answers
- Topic: NES lockout chip damaged
- Replies: 12
- Views: 9616
Re: NES lockout chip damaged
I tried the sound and it crackles when I hook power up but I dont get game sound. I'm pulling my hair out. could I have damaged one of the disc capacitors or something when flattening them? I'm at a loss for what to check next. Also I'm not sure if I could have installed the new lockout chip backwar...
- Mon Nov 07, 2011 6:58 pm
- Forum: Technical Questions and Answers
- Topic: NES lockout chip damaged
- Replies: 12
- Views: 9616
Re: NES lockout chip damaged
Well, Just soldered in the new chip, just need to wait for it to cool for a second then for a test. Okay it still doesn't work. I guess you were right, Now the power going into and coming out of the regulator is good, the flow through the capacitors i moved it all good, could it be something to do w...
- Mon Nov 07, 2011 6:23 pm
- Forum: Technical Questions and Answers
- Topic: NES lockout chip damaged
- Replies: 12
- Views: 9616
Re: NES lockout chip damaged
Well no, but I'm not exactly a pro so I'm trying the easiest thing first. i got a football game for a dollar so its worth a shot.
What I wouldn't give for a proper desoldering iron right now.
What I wouldn't give for a proper desoldering iron right now.
- Mon Nov 07, 2011 5:52 pm
- Forum: Technical Questions and Answers
- Topic: NES lockout chip damaged
- Replies: 12
- Views: 9616
Re: NES lockout chip damaged
I think I'm going to have to rip the chip out of a cart, the console seems dead even though it's getting proper power. Did you get the correct pin? is the 72 pin connector in all the way (or is it old/worn)? Is the cartridge clean? correct pin, but it came out of the IC, Thing worked fine before I ...
- Mon Nov 07, 2011 2:37 pm
- Forum: Technical Questions and Answers
- Topic: NES lockout chip damaged
- Replies: 12
- Views: 9616
Re: NES lockout chip damaged
I think I'm going to have to rip the chip out of a cart, the console seems dead even though it's getting proper power.
- Mon Nov 07, 2011 11:26 am
- Forum: Technical Questions and Answers
- Topic: 7805 voltage regulator question
- Replies: 1
- Views: 2670
Re: 7805 voltage regulator question
Note to self, make sure I'm checking the right leads...
- Mon Nov 07, 2011 5:42 am
- Forum: Technical Questions and Answers
- Topic: 7805 voltage regulator question
- Replies: 1
- Views: 2670
7805 voltage regulator question
When I hook my battery up to a 7805 and check with a multimeter I get 5v as u should. However, after soldering the leads to the regulator and I only get around 3.5v. This has now happened with 2 7805s and I was wondering if id burned them out by heating them up too much with the soldering iron. Any ...
- Thu Nov 03, 2011 5:01 pm
- Forum: Technical Questions and Answers
- Topic: 2n4401 vs 2n4124
- Replies: 1
- Views: 3266
2n4401 vs 2n4124
Will a 2n4124 work in place of a 2n4401 for the video booster? I couldnt get a 2n4401 from anywhere near me but they had one of these at my school so i grabbed it for .50 cents. 2n4124 specs Symbol Parameter Value Units VCEO Collector-Emitter Voltage 25 V VCBO Collector-Base Voltage 30 V VEBO Emitte...
Re: How to recharge batteries without removing them
I'm no professional but I'm pretty sure that green thing is a charging circuit for LiIon/LiPo batteries because they will do their best to explode if overcharged, that circuit prevents that from happening. at least I hope otherwise this is really dangerous.hailrazer wrote:The protection board.
- Wed Nov 02, 2011 6:46 pm
- Forum: Technical Questions and Answers
- Topic: NES lockout chip damaged
- Replies: 12
- Views: 9616
NES lockout chip damaged
I was disabling the lockout chip on the NES when the contact came right out of the IC. It's mangled so it wont go back in and i tried getting a wire soldered in there but no luck. do they sell new lockout chips? of have i just killed this NES? EDIT: turns out you dont have to ground it do i should b...