LOOKING FOR GOLDSCAN 4 Schematic.

[usefi5961]

DEAR ALL MEMBERS. PLEAS SHARE Bernte SMD PCB COMPONENTS IN TOP AND BELOW SIDE AND SEARCH COIL DETAIL.

[Jose]

I used 1N60, because that is what I was able to achieve.

[eclipse]

You can use BAT85, but even regular 1N4148 will work.

[waltr]

hello jose, I have a problem, I can not find ca85 .. What substitute can I use for ca85?

Do you mean the OA85 Germanium diodes?

Then try NTE109 or 1N34 or 1N270

[ricalbertvig]

hello jose, I have a problem, I can not find ca85 .. What substitute can I use for ca85?

[ricalbertvig]

hanks José I almost finished the plate and with the space to adapt ne5532 and with the 7660 source I will use instead of ne5532 mcp602 feeding positive and negative with 100 oh

[Jose]

For the case of Q9 and Q10, the "S" terminal is connected to ground or GND. The attached diagram is correct, although there could be some error.

[ricalbertvig]

thank you very much jose for your clarifications .. in the case of q10 and q9 the pin D If it goes to earth? since by the mentioned thing now I think in q10 and q9 are not correct in the scheme?

[Jose]

Yes, it is exactly what you published.
The image below taken from the original, can clarify the doubts.

[ricalbertvig]

hello jose ... I think I got confused with the answer there I took a picture so you can see how I understood the last answer ... according to your last answer q5, q6, q7, q8 must be modified pin D ... ERROR IN THE SCHEME DE alex? ... Greetings

[Jose]

Excuse me, I did not understand the question.
Terminal "D" of J113, is connected in pin: 2; 3; 5; 6 of U10, respectively.
So I have it in my GS4, which is working.

[ricalbertvig]

hello jose thank you very much for your answer ... I mean I understand j113 pin s is connected to pin 5 and 3 of u10 ... and grounded through c25 and c26 ..

[Jose]

The "S" terminal connects to GND.

[ricalbertvig]

hello ... I have doubts on how to connect j133 .. the Q8 and Q6 .. in some pcb appears pin 2 (s) from j113 to U10 PIN 5 and to 3 ... in other pcb appears differently, pin 1 (d) connected to pin 5 and 3 ... could someone help me? .. what would be the correct way to connect q6y q8 .. help please

[ricalbertvig]

hello I see an error in the position of j113 --- of pcb..1: D 2: S 3: G .. that is the order of the pins because pcb is placed in a way difirecte to the scheme?