Surf PI Pro

[ApBerg]

Remove all IC's but leave the ICL7660 on the pcb, then check how much current the pcb is taking from the battery ,must be less then 40 mA ,
and check if you have + 5volt and ca. -4 volt on the IC sockets look at the color bmp

Tell the results ?

[seadoggy]

paku i think your problem is same like this guy have,check your board again i am sure u have direct connection in board

check this thread

http://www.geotech1.com/forums/showthread.php?19503-Little-help-D/page3

[paku]

Remove all IC's but leave the ICL7660 on the pcb, then check how much current the pcb is taking from the battery ,must be less then 40 mA ,
and check if you have + 5volt and ca. -4 volt on the IC sockets look at the color bmp

Tell the results ?

how much current the pcb is taking from the battery ??
can you tell me what tools i need to test that pcb voltage

[paku]

paku i think your problem is same like this guy have,check your board again i am sure u have direct connection in board

check this thread

http://www.geotech1.com/forums/showthread.php?19503-Little-help-D/page3

ok will start check now thanks

[paku]

thanks all now my board is working thanks to seadoggy have nice doggy style hahaha
thanks For All Guru Nice Working!! Muahh!!! Muahh!!! Heheheh

[ApBerg]

What was the problem ? can you make a new YouTube film with the working detector ?

[paku]

the problem is soldering not sticking
ok i will try make new working detector video after i finish my coill
thanks apberg for your pcb

[paku]

What Is The Best Size coill for this PI Detector

[joop]

About 21 cm. Inductance 300-350 microHenry.

[seadoggy]

thanks all now my board is working thanks to seadoggy have nice doggy style hahaha
thanks For All Guru Nice Working!! Muahh!!! Muahh!!! Heheheh

You fix the problem nice nice

[paku]

but why the Pot tresh , Delay, Sens ,Is Not function just volume and R2 5k pot work only

[sdesic]

Can you check orientation of pots should be like in this picture
http://www.geotech1.com/forums/attac...1&d=1336742626

also check cabling from PCB to pots

[paku]

Remove all IC's but leave the ICL7660 on the pcb, then check how much current the pcb is taking from the battery ,must be less then 40 mA ,
and check if you have + 5volt and ca. -4 volt on the IC sockets look at the color bmp

Tell the results ?

i have remove all ic and leave ICL7660 i get 7volt on my board

[paku]

In that picture 220uf or 470uf

[paku]

[ATTACH]23813[/ATTACH]

In that picture 220uf or 470uf

on this board is TS555 but on the placement part is TLC555

Witch one is true!!!!
Sory im confused confused confused confused

TLC272 on that board, but on placement schematic! LM358