Garrett xl500 VLF

[Vanikoro]

Good morning to all,

In the aim to give again life to a Garrett sea hunter xl 500 VLF (not PI) (it take a little forced bath with salt water) I’m in search of informations about this machine. If it’s possible informations like schematics, or indications of values to control would be of great interest for testing the components (I’m more customer of diving than electronic).
This machine is surely old but I can’t invest more for the moment.

Thank you in advance.

[kt315]

good morning Vanikoro. xl500 is clearly seems PI machine

[Vanikoro]

Garrett xl 500 VLF (I believe)

Thank you kt315 for your answer. I joint pictures of the board of the detector. As you can see it it seem's different of the PI. I know that in the 80's a xl500 VLF exists. The boards and the coil are the only things in my possession. I don't have the box. So after some searchs in the web my conclusion was that it's a Garrett xl500. May be I'm wrong.

[kt315]

yep... surely it is not PI machine. can you give part list on IC's and transistors? have you also original coil with the PCB? it's very similar to Garrett ADS Master Hunter Deepseeker schematic, 5,5 kHz.
best regards

[amtech2005]

Garrett xl500 VLF

I know I have this Schematic you need and it was from the early 1980. I have to look in my Archives, but for now here are 2 related schematics from 1979 and 1980, I Think From the Desert , Aloha [email protected] Eugene

[amtech2005]

Garrett xl500 VLF

Found these photos on the internet , also I read this Detector is good at false signals , must be when its in saltwater. I think yours is a vlf like the photos I found . 5 IC chips , 2 are not clear in the photo. Hope i can find a schematic , if not someone else will for sure. Take care all , Eugene

[Carl-NC]

Yup, Garrett made an XL500-PI and an XL500-VLF. I have both.

[Vanikoro]

Thank you all for your help. I saw too the pictures of the xl500 VLF on internet. Mine has the same 4leds and voltage-indicator position, the three knobs (with the 10-turns button). I will count the components this week-end (of 3 days) and I will take pictures of the other pieces (coil and small board, with its three batteries of 9v).

Have a good week-end.

[Vanikoro]

xl500 VLF : coil and components

Good morning,
this is the complement of the description of the detector:
The components are the following :

1x CD4016
3x LM358N
1x CA3290
1x NSDU45
4x 2N3906
1x CA3160S
2x 2N2484
And may be a transistor (see new picture).



I joint too pictures of the coil and the board with the 3 knobs.

[Vanikoro]

500 xl vlf : about the identification of the coil

Good morning,

Still in search on infos about my machine, I would like to know if , viewing the picture of the coil (external diameter 20,5 cm) someone could tell me if it’s a genuine coil of 500xl (coplanar according to the “owner’s manual of the 500xl vlf”) or 500xs (co-axial) ? does someone know the characteristics of these coils (I saw the values for the groundhog coils on this site, and reading the manual of the garret xl500 vlf the frequency used is too 15khz. Should they be the same for the same frequency ?). Is it possible to measure (with a multimeter) some characteristics of the coil (is the resistance a significative value ?) and if yes between what cables ? There are 4 with 4 colours (black, red, white and green with a metallic wire).

If someone could “unearth” the schematic of the detector I’m still interested.


Thank you again.