Search found 14 matches
- Fri May 12, 2017 1:09 am
- Forum: DSO Shell
- Topic: D2 Diode Replacement
- Replies: 7
- Views: 8857
Re: D2 Diode Replacement
i looked at the d2 on my board which was marked as a7 then i crossed reference with the schematic saying it was a 1n4007 then looked up smd package and came up with the outline of sod123fl but what i don't understand that is if the schematic said it was a 1n4007 you would get some different even if ...
- Wed May 10, 2017 12:16 pm
- Forum: DSO Shell
- Topic: D2 Diode Replacement
- Replies: 7
- Views: 8857
Re: D2 Diode Replacement
no my id is A7 and i looked it up on smd chart to come op with the info i posted. btw there are more than 1 A7 listed, that's the only one that matched description explained in schematic. device body style is SOD123FL. T7 only comes up as transistors not diodes with charts.
- Wed May 10, 2017 12:17 am
- Forum: DSO Shell
- Topic: D2 Diode Replacement
- Replies: 7
- Views: 8857
Re: D2 Diode Replacement
here A7 SM4007PL MCC I SOD123FL 1000V 1A rect 1N4007
- Mon May 08, 2017 11:48 pm
- Forum: DSO Shell
- Topic: D2 Diode Replacement
- Replies: 7
- Views: 8857
Re: D2 Diode Replacement
schematic shows the d2 is a 1n4007
heres schematic http://www.jyetech.com/Products/LcdScop ... _Shell.pdf
heres schematic http://www.jyetech.com/Products/LcdScop ... _Shell.pdf
- Mon May 08, 2017 11:42 pm
- Forum: DSO Shell
- Topic: analog board
- Replies: 2
- Views: 4139
Re: analog board
thanks for your response. i found the error of mine it was in the resistor divider stage between resistors 7 to 12. one resistor was not soldered to board.
- Mon May 08, 2017 12:21 am
- Forum: DSO Shell
- Topic: analog board
- Replies: 2
- Views: 4139
analog board
analog board not switching between tlo82 a and b. can only calibrate 3.3v side (tlo82b). might be the tlo82 or the 74hc4053. i don't have the tools to remove the old chips. any one else have this problem.
- Sat May 06, 2017 9:04 pm
- Forum: DSO Shell
- Topic: [SOLVED] Cant flash firmware
- Replies: 22
- Views: 24199
Re: [SOLVED] Cant flash firmware
i guess i must have a good luck i upgraded from 054 to the new 055 with out any trouble at all. sorry if you had problems my $2.37 investment worked great
- Sat May 06, 2017 9:00 pm
- Forum: DSO Shell
- Topic: Trouble with calibration (C5 has no effect, bat test signal)
- Replies: 5
- Views: 8568
Re: Trouble with calibration (C5 has no effect, bat test sig
well got my 3 dollar http://www.ebay.com/itm/FTDI-FT232RL-US ... Sw-0xYVDs3 upgraded from 054 to 055 with out a hitch.
follow this
http://www.jyetech.com/Products/LcdScop ... rmware.pdf
follow this
http://www.jyetech.com/Products/LcdScop ... rmware.pdf
- Fri May 05, 2017 11:58 pm
- Forum: DSO Shell
- Topic: [SOLVED] Cant flash firmware
- Replies: 22
- Views: 24199
Re: [SOLVED] Cant flash firmware
just arrived and i tested with loader it shows as com 3 i will try firmware upgrade this weekend
- Tue Apr 11, 2017 12:41 pm
- Forum: DSO Shell
- Topic: [SOLVED] Cant flash firmware
- Replies: 22
- Views: 24199
Re: [SOLVED] Cant flash firmware
that's one reason i ordered, i read your post.qu1ck wrote:It's a dice roll, I imagine. Mine (exactly like pictured) works, others linked above modules that didn't.nunoit wrote:well maybe ill have better luck than others have