ARCHIVED FORUM -- March 2012 to February 2022READ ONLY FORUM
This is the second Archived Forum which was active between 1st March 2012 and 23rd February 2022
Having laser mechanism replaced and BS9000 working I decided to fix the faulty laser pickup by resoldering all joints.
First I took out the pickup from VAM 1250. You have to take out the big white gearwheel using some force. To release the chrome rail you have to pull out the white clamp, The ending switch has not to be unscrewed but it's a chance to clean it as well. To get into contacts on the pickup the metal shield has to be removed. It is soldered in two places. To take it out I used desoldering wick. After removal I saw preamplifier chip made by Philips with following description TZA1022 TS; V7247 01;Dn 602092. I resoldered all joints by applying some fluid flux and touching with soldering iron tip. My iron has ca. 220 degrees Celsius so it shouldn't damage the electronics. The chip connections are ultra small so I just crossed them with hot iron. Then I cleaned everything with alcohol and assembled back and put the VAM1250 into Marantz DR4050. It started playing immediately !
Thank you all for your contribution and expertise of keeping the beautiful Beosound 9000 alive!
I have read A LOT of threads about the Beosound 9000 MKII and MKIII repair, but there is very little information on the MKI CD repair... or at least the answer is convoluted or unclear.
Which part would I be looking for to replace on a MKI Beosound 9000? The VAM 1250, or the CDM 12.6?
Or has there been a solution to the MKI repair?
I just picked up a used MKI which is mulfuntioning a little.
Beolab 9 | Beolab 8000 | Beolab 6000 | Beolab 2 | Beolab 3 | Beosound 9000 | Beoplay A9 | Beomaster 8000 | Beovox M75, / S75, / S45.2
BS9000 Mk1 have 2 type of laser.
VAM 12.6 and 12.4
from my past i thik that type 2521 ..is VAM 12.6..bad one..no cheap china replace..
if it is type 2526 SW1.4... it's VAM 12.4 ..and it's chap to find an replace.
You can not mount VAM 12.4 laser to to older SW wersion if there is previous VAM 12.6 in the BS9000 unit.
Only if you change both PCB on the lase mechanism.
Some experts on the forum would know better than me :)