HAMEG 205-2 worth fixing?  - Page 1
Forum section: electronics / repair

author: Romain
author_rank: Regular Contributor
timestamp: October 18, 2021, 07:56:17 am
content: Hi, I have this Hameg 205-2 that had a really rough ride (corners bumped, rear plastic shattered).When I tried powering it on, it made cracking noises and I immediately switched it off.It's got the manual and schematics, I could hi-res scan them for those interested.My question is: is it worth fixing at all?I don't have the need for it.

author: Romain
author_rank: Regular Contributor
timestamp: October 18, 2021, 07:57:14 am
content: Can only upload 1 pic at a time...

author: Romain
author_rank: Regular Contributor
timestamp: October 18, 2021, 08:03:51 am
content: Can only upload 1 pic at a time.

author: Hamelec
author_rank: Regular Contributor
timestamp: October 18, 2021, 08:27:32 am
content: ..not worth fixing.But keep it for spare parts - especially the mechanical things (knobs, Axle Shaft Coupler etc.)

author: ambrosia heart
author_rank: Regular Contributor
timestamp: October 18, 2021, 08:41:45 am
content: Fixing a 20MHz old scope is time wasting.Buying a 30MHz with readout is 360RMB = 435HKD.BTW, having a service manual does not imply youhave the ability to fix it. All techs can be layoff oranyone can be a skillful tech, otherwise.See photo. Even at this cheap price, with good appearance, noone wants to buy.For repair purpose, at least 60MHz for crystal oscillation check to avoid -3dB distortion.

author: Haenk
author_rank: Super Contributor
timestamp: October 18, 2021, 08:42:48 am
content: I had one of those about 25 years ago. If you can fix it easily, it is a keeper - I found it really nice to operate. No wonder the old HAMEG instruments still sell for quite some money.But: I wouldn't invest serious money (maybe 20-30 EUR max), you can buy more capable ones easily for 150 EUR or even less.And keep in mind, this has high voltage parts in it, be very careful.

author: Romain
author_rank: Regular Contributor
timestamp: October 18, 2021, 10:11:50 am
content: Thanks.I'll pass then, haven't got the time.If someone around Cardiff want it, drop me a message and I'll happily give it away for parts or repair.

author: abdulbadii
author_rank: Frequent Contributor
timestamp: October 18, 2021, 12:55:57 pm
content: depends, of courseif your occupation is electronics technician/professional it isit is not otherwise e.g. you're a quality supervisor for a electronics related stuff who just using this tool

author: jonpaul
author_rank: Super Contributor
timestamp: October 18, 2021, 06:22:23 pm
content: Bonjour RomainVery fine to see you note, I have had a Hameg 103 scope for years and worked to fix it. it cost me EU5, had a retrace blanking issue. The PCB arrangement and high voltages make these hard to service in general.The quality is good, typical of 1980s German design.I could use your scope to fix it up or at least swap some common parts as the panels are similar on the series.I am in Paris but have friends in the UK who may be able to meet you and take it on my behalf.I shall PM to you as well.Bon Soiree,Jon

author: james_s
author_rank: Super Contributor
timestamp: October 18, 2021, 06:29:16 pm
content: Ouch, that's an unfortunate outcome.Whether it is worth it or even feasible to fix it is going to depend on the condition of the CRT. Since you said it made crackling noises that makes me suspect the tube may be cracked and was arcing in the neck. If the tube is broken then the scope is done, part it out. If the tube is intact then it may be worth some troubleshooting to get it working if only so you can sell it as a working parts scope.

author: TheBay
author_rank: Unknown
timestamp: October 20, 2021, 03:46:40 pm
content: Ignoring the bandwidth, most Hameg Scopes have a built in Component Tester which is extremely useful.It might be worth fixing it just for that function.It's definitely worth having a good look inside to see if anything has broken or has just become disconnected.

author: Romain
author_rank: Regular Contributor
timestamp: February 28, 2024, 02:30:41 pm
content: It's probably full with RIFA caps...Stuff is in a storage in Cardiff that I'll clear out in April 2024. If anyone's interested pls reach out to me.I've also got a signal generator, same issue: loud bang and smoke when I powered it on.Can't ship due to poor condition (see 1st picture).

author: Muxr
author_rank: Super Contributor
timestamp: February 28, 2024, 02:39:17 pm
content: I find CRT scopes to still be useful. And this is mainly for the actual CRT and the XY mode. Of course you can use XY mode on digital scopes but I was never quite happy with how they render on digital scopes.Also like others have said Hameg have their handy component tester.Having said that though. Your unit looks in a pretty bad shape. I don't think I would bother repairing it personally. I would either use it for parts or sell it on ebay to someone else who needs parts.

author: Gyro
author_rank: Super Contributor
timestamp: February 28, 2024, 05:49:05 pm
content: Note that this thread is from 2021, the OP only revived it to say that he is looking to dispose of it.

author: factory
author_rank: Super Contributor
timestamp: February 28, 2024, 09:17:08 pm
content: The OP should really post this in the buy/sell/wanted section of the forum, that is where people offer stuff they no longer want.https://www.eevblog.com/forum/buysellwanted/David

author: Greybeard
author_rank: Frequent Contributor
timestamp: February 29, 2024, 08:43:16 am
content: Quote from: Romain on October 18, 2021, 07:56:17 amIf you still have the manual and your offer is still valid, I would be happy if you would scan it and post it here.

author: DVM-James
author_rank: Contributor
timestamp: February 29, 2024, 04:46:12 pm
content: The manual could be find here:https://www.sky-messtechnik.de/reparaturdienst-service/downloadsregards James