Kenwood : Compact Disc Test Instruments CATALOG
Source : Internet
Recieved some photos and information from Alex off some Kenwood Compact Disc Test Instruments 😉
Source : Internet
Source : Internet
Tuned CD 100 won’t play anymore , if i can take a look 😉 HF is missing There is signal on output’s of the NE5514, Focus point...
Some measurements
Test Run , we have audio 🙂 Display board , with pre-installed SMD led Testing, New switches , capicitors ,...
If i could have a look at a wrongly wired CD 100 After Recap , Disc is not reconized anymore. Checked the Laser , it’s fine 68µf replaced bij 47µf + 22µf The power...
This CD 100 is still not working after severeal repair attempts by others , If i could have a look. First check LM317 for +5 volt gets very hot. LM337 for -18 volts gets...
Problem Found , bad Capicitors and the LM337 for -18 Volt was Faulty, it was only -12 with ripple causing the hum Audio without distortion : Playing audio...
Bought a defective second-hand CD 303 myself 😉 Nice Dust pattern Weird problems ?! Found a broken trace 😉 , no -12volt on LM324