Description
Electronic service kit for Bang & Olufsen Beogram 4000.
This convenient kit covers the power supply, main control circuit board, filter and motor phase capacitors, containing new components for all:
– Electrolytic capacitors, radial and tantalum
– Adjustment trimmers
– The two large 3000uF (occasionally 4000uF) 50V filter capacitors and the 2000uF (occasionally 3000uF) 25V capacitor for the motor circuit are all replaced by new 4000uF 50V electrolytic capacitors with correct solder lug terminals, custom produced to correct diameter to fit in the holder.
– The 150uF 10V (occasionally 16V or 25V) bipolar electrolytic capacitor in the motor phase circuit is replaced by a new 150uF bipolar type with correct solder lugs, custom produced to correct diameter to fit in the holder.
– The two 2000uF 25V axial capacitors in the low voltage regulator circuit are both replaced by new 2200uF 40V axial leaded capacitors to fit under the original holding brackets by using the included felt pads as shown in the gallery photos.
Comes with detailed component location chart (photos of boards with clear markings).
Basic electronic skills and tools (component recognition and soldering) required.
A service manual for your exact deck version will be needed to perform alignments and adjustments.
Note:
The fact that the mains transformers used in this model are known to be quite delicate components was taken into consideration, so to keep rush-in currents down, of course, none of the filter/reservoir capacitors in this kit are low-ESR types.
Note:
An amount of high quality solder is needed for this job. Go here to find it.
SK-037
