Samsung BN44-00167B power supply schematic in PDF form, 651 KB. The BN44 numbering identifies Samsung PSU modules for LCD and LED televisions and monitors; the name does not give the model it was used in. Technicians rely on such diagrams to check the standby circuit when a set stays dead, measure the PFC bus voltage, follow the feedback optocoupler and find the source of a short on the secondary rails. Make sure the part code and B revision on the PCB sticker agree with this file before trusting component values. Open with a standard PDF viewer.
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