Search found 23 matches
- 14 May 2019, 23:10
- Forum: Hardware and software hacking
- Topic: board testing
- Replies: 40
- Views: 31967
Re: board testing
thank you i will check those points...still need to test board two as i know those resistor packs are in properly
- 14 May 2019, 22:06
- Forum: Hardware and software hacking
- Topic: board testing
- Replies: 40
- Views: 31967
Re: board testing
thank you...ill keep checking with my loup and meter if it doesnt work at this point its something i did wrong and i wont find it....i appreciate all your help....i will have to check the second board as well....if the same issues are there then im not sure what it could be as making the same mistak...
- 14 May 2019, 19:24
- Forum: Hardware and software hacking
- Topic: board testing
- Replies: 40
- Views: 31967
Re: board testing
getting there....u13 pin 5, u22/23 pin 10 now read 0.....i plug the board in leds 5-8 come on for a second then go out.....now what or am i missing a resolder joint thanks
- 14 May 2019, 16:56
- Forum: Hardware and software hacking
- Topic: board testing
- Replies: 40
- Views: 31967
Re: board testing
can i flow solder in from the top? or do i need to rensolder from the bottom? and based on what i sent....i know its probably me being confused but can you list the ones that need to be addresssed i see the pin 5 of u13 and the pins of u22 and 23 but which others as well. thanks basically if i read ...
- 14 May 2019, 14:33
- Forum: Hardware and software hacking
- Topic: board testing
- Replies: 40
- Views: 31967
Re: board testing
so a back cleaning might be all i need?
- 13 May 2019, 00:06
- Forum: Hardware and software hacking
- Topic: board testing
- Replies: 40
- Views: 31967
Re: board testing
i tested all the pins and based on the sheet it said might be some shift....for example a pin reading 0.595 is just about the 0.600v that the sheet says is good for pin being connected to load....but here are the pins i found anomalies on based on the spread sheet u13 pin 5—.652 u19 pin 14–.430 u20 ...
- 12 May 2019, 19:49
- Forum: Hardware and software hacking
- Topic: board testing
- Replies: 40
- Views: 31967
Re: board testing
so according to the new chart those chips are good then because i was pulling readings exactly like those on those chips so far....thanks
- 12 May 2019, 01:34
- Forum: Hardware and software hacking
- Topic: board testing
- Replies: 40
- Views: 31967
Re: board testing
i found u3 and u4 having 0.435v on a pin where it should have read 0.700v or so
- 12 May 2019, 00:09
- Forum: Hardware and software hacking
- Topic: board testing
- Replies: 40
- Views: 31967
Re: board testing
readings should be in the case of pin one of u1 0.700v? and pins 39 and 40 of eprom common?
- 04 May 2019, 01:09
- Forum: Hardware and software hacking
- Topic: board testing
- Replies: 40
- Views: 31967
Re: board testing
thank you....i will test all the chips till i get the desired readings from each and see what happens.